Re: Linux 4.14.194

From: Greg Kroah-Hartman
Date: Fri Aug 21 2020 - 07:44:15 EST

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diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio
index 64e65450f483..e21e2ca3e4f9 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio
+++ b/Documentation/ABI/testing/sysfs-bus-iio
@@ -1524,7 +1524,8 @@ What: /sys/bus/iio/devices/iio:deviceX/in_concentrationX_voc_raw
KernelVersion: 4.3
Contact: linux-iio@xxxxxxxxxxxxxxx
Description:
- Raw (unscaled no offset etc.) percentage reading of a substance.
+ Raw (unscaled no offset etc.) reading of a substance. Units
+ after application of scale and offset are percents.

What: /sys/bus/iio/devices/iio:deviceX/in_resistance_raw
What: /sys/bus/iio/devices/iio:deviceX/in_resistanceX_raw
diff --git a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
index c82794002595..89647d714387 100644
--- a/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
+++ b/Documentation/devicetree/bindings/iio/multiplexer/io-channel-mux.txt
@@ -21,7 +21,7 @@ controller state. The mux controller state is described in

Example:
mux: mux-controller {
- compatible = "mux-gpio";
+ compatible = "gpio-mux";
#mux-control-cells = <0>;

mux-gpios = <&pioA 0 GPIO_ACTIVE_HIGH>,
diff --git a/Makefile b/Makefile
index b30927f29e2b..8e2a1418c5ae 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 193
+SUBLEVEL = 194
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index 65228bf4c6df..ba9b9a77bcd2 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -20,6 +20,19 @@
* A simple function epilogue looks like this:
* ldm sp, {fp, sp, pc}
*
+ * When compiled with clang, pc and sp are not pushed. A simple function
+ * prologue looks like this when built with clang:
+ *
+ * stmdb {..., fp, lr}
+ * add fp, sp, #x
+ * sub sp, sp, #y
+ *
+ * A simple function epilogue looks like this when built with clang:
+ *
+ * sub sp, fp, #x
+ * ldm {..., fp, pc}
+ *
+ *
* Note that with framepointer enabled, even the leaf functions have the same
* prologue and epilogue, therefore we can ignore the LR value in this case.
*/
@@ -32,6 +45,16 @@ int notrace unwind_frame(struct stackframe *frame)
low = frame->sp;
high = ALIGN(low, THREAD_SIZE);

+#ifdef CONFIG_CC_IS_CLANG
+ /* check current frame pointer is within bounds */
+ if (fp < low + 4 || fp > high - 4)
+ return -EINVAL;
+
+ frame->sp = frame->fp;
+ frame->fp = *(unsigned long *)(fp);
+ frame->pc = frame->lr;
+ frame->lr = *(unsigned long *)(fp + 4);
+#else
/* check current frame pointer is within bounds */
if (fp < low + 12 || fp > high - 4)
return -EINVAL;
@@ -40,6 +63,7 @@ int notrace unwind_frame(struct stackframe *frame)
frame->fp = *(unsigned long *)(fp - 12);
frame->sp = *(unsigned long *)(fp - 8);
frame->pc = *(unsigned long *)(fp - 4);
+#endif

return 0;
}
diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 849014c01cf4..bebaa0b0aef4 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -456,13 +456,13 @@ static void __init at91_pm_sram_init(void)
sram_pool = gen_pool_get(&pdev->dev, NULL);
if (!sram_pool) {
pr_warn("%s: sram pool unavailable!\n", __func__);
- return;
+ goto out_put_device;
}

sram_base = gen_pool_alloc(sram_pool, at91_pm_suspend_in_sram_sz);
if (!sram_base) {
pr_warn("%s: unable to alloc sram!\n", __func__);
- return;
+ goto out_put_device;
}

sram_pbase = gen_pool_virt_to_phys(sram_pool, sram_base);
@@ -470,12 +470,17 @@ static void __init at91_pm_sram_init(void)
at91_pm_suspend_in_sram_sz, false);
if (!at91_suspend_sram_fn) {
pr_warn("SRAM: Could not map\n");
- return;
+ goto out_put_device;
}

/* Copy the pm suspend handler to SRAM */
at91_suspend_sram_fn = fncpy(at91_suspend_sram_fn,
&at91_pm_suspend_in_sram, at91_pm_suspend_in_sram_sz);
+ return;
+
+out_put_device:
+ put_device(&pdev->dev);
+ return;
}

static void __init at91_pm_backup_init(void)
diff --git a/arch/arm/mach-socfpga/pm.c b/arch/arm/mach-socfpga/pm.c
index c378ab0c2431..93f2245c9775 100644
--- a/arch/arm/mach-socfpga/pm.c
+++ b/arch/arm/mach-socfpga/pm.c
@@ -60,14 +60,14 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!ocram_pool) {
pr_warn("%s: ocram pool unavailable!\n", __func__);
ret = -ENODEV;
- goto put_node;
+ goto put_device;
}

ocram_base = gen_pool_alloc(ocram_pool, socfpga_sdram_self_refresh_sz);
if (!ocram_base) {
pr_warn("%s: unable to alloc ocram!\n", __func__);
ret = -ENOMEM;
- goto put_node;
+ goto put_device;
}

ocram_pbase = gen_pool_virt_to_phys(ocram_pool, ocram_base);
@@ -78,7 +78,7 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!suspend_ocram_base) {
pr_warn("%s: __arm_ioremap_exec failed!\n", __func__);
ret = -ENOMEM;
- goto put_node;
+ goto put_device;
}

/* Copy the code that puts DDR in self refresh to ocram */
@@ -92,6 +92,8 @@ static int socfpga_setup_ocram_self_refresh(void)
if (!socfpga_sdram_self_refresh_in_ocram)
ret = -EFAULT;

+put_device:
+ put_device(&pdev->dev);
put_node:
of_node_put(np);

diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 4a8b1fb51243..c8824b918693 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -155,6 +155,7 @@
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1150000>;
regulator-enable-ramp-delay = <125>;
+ regulator-always-on;
};

ldo8_reg: LDO8 {
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
index e9f87cb61ade..8587912e1eb0 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi3660-hikey960.dts
@@ -210,6 +210,17 @@
status = "ok";
compatible = "adi,adv7533";
reg = <0x39>;
+ adi,dsi-lanes = <4>;
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ };
+ port@1 {
+ reg = <1>;
+ };
+ };
};
};

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 6887cc1a743d..f78e6468b02f 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -513,7 +513,7 @@
reg = <0x39>;
interrupt-parent = <&gpio1>;
interrupts = <1 2>;
- pd-gpio = <&gpio0 4 0>;
+ pd-gpios = <&gpio0 4 0>;
adi,dsi-lanes = <4>;
#sound-dai-cells = <0>;

diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
index 4cb0b5834143..69ba1d79bcd5 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
@@ -542,7 +542,7 @@
pins = "gpio63", "gpio64", "gpio65", "gpio66",
"gpio67", "gpio68";
drive-strength = <8>;
- bias-pull-none;
+ bias-disable;
};
};
cdc_pdm_lines_sus: pdm_lines_off {
@@ -571,7 +571,7 @@
pins = "gpio113", "gpio114", "gpio115",
"gpio116";
drive-strength = <8>;
- bias-pull-none;
+ bias-disable;
};
};

@@ -599,7 +599,7 @@
pinconf {
pins = "gpio110";
drive-strength = <8>;
- bias-pull-none;
+ bias-disable;
};
};

@@ -625,7 +625,7 @@
pinconf {
pins = "gpio116";
drive-strength = <8>;
- bias-pull-none;
+ bias-disable;
};
};
ext_mclk_tlmm_lines_sus: mclk_lines_off {
@@ -653,7 +653,7 @@
pins = "gpio112", "gpio117", "gpio118",
"gpio119";
drive-strength = <8>;
- bias-pull-none;
+ bias-disable;
};
};
ext_sec_tlmm_lines_sus: tlmm_lines_off {
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 1fc5060d7027..0d5679380b2a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -138,7 +138,7 @@

vcc5v0_host: vcc5v0-host-regulator {
compatible = "regulator-fixed";
- gpio = <&gpio4 RK_PA3 GPIO_ACTIVE_HIGH>;
+ gpio = <&gpio4 RK_PA3 GPIO_ACTIVE_LOW>;
enable-active-low;
pinctrl-names = "default";
pinctrl-0 = <&vcc5v0_host_en>;
@@ -193,7 +193,7 @@
phy-mode = "rgmii";
pinctrl-names = "default";
pinctrl-0 = <&rgmii_pins>;
- snps,reset-gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_HIGH>;
+ snps,reset-gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
snps,reset-delays-us = <0 10000 50000>;
tx_delay = <0x10>;
diff --git a/arch/m68k/mac/iop.c b/arch/m68k/mac/iop.c
index 4c1e606e7d03..0b94f6672c5f 100644
--- a/arch/m68k/mac/iop.c
+++ b/arch/m68k/mac/iop.c
@@ -183,7 +183,7 @@ static __inline__ void iop_writeb(volatile struct mac_iop *iop, __u16 addr, __u8

static __inline__ void iop_stop(volatile struct mac_iop *iop)
{
- iop->status_ctrl &= ~IOP_RUN;
+ iop->status_ctrl = IOP_AUTOINC;
}

static __inline__ void iop_start(volatile struct mac_iop *iop)
@@ -191,14 +191,9 @@ static __inline__ void iop_start(volatile struct mac_iop *iop)
iop->status_ctrl = IOP_RUN | IOP_AUTOINC;
}

-static __inline__ void iop_bypass(volatile struct mac_iop *iop)
-{
- iop->status_ctrl |= IOP_BYPASS;
-}
-
static __inline__ void iop_interrupt(volatile struct mac_iop *iop)
{
- iop->status_ctrl |= IOP_IRQ;
+ iop->status_ctrl = IOP_IRQ | IOP_RUN | IOP_AUTOINC;
}

static int iop_alive(volatile struct mac_iop *iop)
@@ -244,7 +239,6 @@ void __init iop_preinit(void)
} else {
iop_base[IOP_NUM_SCC] = (struct mac_iop *) SCC_IOP_BASE_QUADRA;
}
- iop_base[IOP_NUM_SCC]->status_ctrl = 0x87;
iop_scc_present = 1;
} else {
iop_base[IOP_NUM_SCC] = NULL;
@@ -256,7 +250,7 @@ void __init iop_preinit(void)
} else {
iop_base[IOP_NUM_ISM] = (struct mac_iop *) ISM_IOP_BASE_QUADRA;
}
- iop_base[IOP_NUM_ISM]->status_ctrl = 0;
+ iop_stop(iop_base[IOP_NUM_ISM]);
iop_ism_present = 1;
} else {
iop_base[IOP_NUM_ISM] = NULL;
@@ -416,7 +410,8 @@ static void iop_handle_send(uint iop_num, uint chan)
msg->status = IOP_MSGSTATUS_UNUSED;
msg = msg->next;
iop_send_queue[iop_num][chan] = msg;
- if (msg) iop_do_send(msg);
+ if (msg && iop_readb(iop, IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE)
+ iop_do_send(msg);
}

/*
@@ -490,16 +485,12 @@ int iop_send_message(uint iop_num, uint chan, void *privdata,

if (!(q = iop_send_queue[iop_num][chan])) {
iop_send_queue[iop_num][chan] = msg;
+ iop_do_send(msg);
} else {
while (q->next) q = q->next;
q->next = msg;
}

- if (iop_readb(iop_base[iop_num],
- IOP_ADDR_SEND_STATE + chan) == IOP_MSG_IDLE) {
- iop_do_send(msg);
- }
-
return 0;
}

diff --git a/arch/mips/cavium-octeon/octeon-usb.c b/arch/mips/cavium-octeon/octeon-usb.c
index bfdfaf32d2c4..75189ff2f3c7 100644
--- a/arch/mips/cavium-octeon/octeon-usb.c
+++ b/arch/mips/cavium-octeon/octeon-usb.c
@@ -517,6 +517,7 @@ static int __init dwc3_octeon_device_init(void)

res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
+ put_device(&pdev->dev);
dev_err(&pdev->dev, "No memory resources\n");
return -ENXIO;
}
@@ -528,8 +529,10 @@ static int __init dwc3_octeon_device_init(void)
* know the difference.
*/
base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(base))
+ if (IS_ERR(base)) {
+ put_device(&pdev->dev);
return PTR_ERR(base);
+ }

mutex_lock(&dwc3_octeon_clocks_mutex);
dwc3_octeon_clocks_start(&pdev->dev, (u64)base);
diff --git a/arch/mips/kernel/topology.c b/arch/mips/kernel/topology.c
index cd3e1f82e1a5..08ad6371fbe0 100644
--- a/arch/mips/kernel/topology.c
+++ b/arch/mips/kernel/topology.c
@@ -20,7 +20,7 @@ static int __init topology_init(void)
for_each_present_cpu(i) {
struct cpu *c = &per_cpu(cpu_devices, i);

- c->hotpluggable = 1;
+ c->hotpluggable = !!i;
ret = register_cpu(c, i);
if (ret)
printk(KERN_WARNING "topology_init: register_cpu %d "
diff --git a/arch/parisc/include/asm/barrier.h b/arch/parisc/include/asm/barrier.h
index dbaaca84f27f..640d46edf32e 100644
--- a/arch/parisc/include/asm/barrier.h
+++ b/arch/parisc/include/asm/barrier.h
@@ -26,6 +26,67 @@
#define __smp_rmb() mb()
#define __smp_wmb() mb()

+#define __smp_store_release(p, v) \
+do { \
+ typeof(p) __p = (p); \
+ union { typeof(*p) __val; char __c[1]; } __u = \
+ { .__val = (__force typeof(*p)) (v) }; \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile("stb,ma %0,0(%1)" \
+ : : "r"(*(__u8 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 2: \
+ asm volatile("sth,ma %0,0(%1)" \
+ : : "r"(*(__u16 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 4: \
+ asm volatile("stw,ma %0,0(%1)" \
+ : : "r"(*(__u32 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ case 8: \
+ if (IS_ENABLED(CONFIG_64BIT)) \
+ asm volatile("std,ma %0,0(%1)" \
+ : : "r"(*(__u64 *)__u.__c), "r"(__p) \
+ : "memory"); \
+ break; \
+ } \
+} while (0)
+
+#define __smp_load_acquire(p) \
+({ \
+ union { typeof(*p) __val; char __c[1]; } __u; \
+ typeof(p) __p = (p); \
+ compiletime_assert_atomic_type(*p); \
+ switch (sizeof(*p)) { \
+ case 1: \
+ asm volatile("ldb,ma 0(%1),%0" \
+ : "=r"(*(__u8 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 2: \
+ asm volatile("ldh,ma 0(%1),%0" \
+ : "=r"(*(__u16 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 4: \
+ asm volatile("ldw,ma 0(%1),%0" \
+ : "=r"(*(__u32 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ case 8: \
+ if (IS_ENABLED(CONFIG_64BIT)) \
+ asm volatile("ldd,ma 0(%1),%0" \
+ : "=r"(*(__u64 *)__u.__c) : "r"(__p) \
+ : "memory"); \
+ break; \
+ } \
+ __u.__val; \
+})
#include <asm-generic/barrier.h>

#endif /* !__ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/percpu.h b/arch/powerpc/include/asm/percpu.h
index dce863a7635c..8e5b7d0b851c 100644
--- a/arch/powerpc/include/asm/percpu.h
+++ b/arch/powerpc/include/asm/percpu.h
@@ -10,8 +10,6 @@

#ifdef CONFIG_SMP

-#include <asm/paca.h>
-
#define __my_cpu_offset local_paca->data_offset

#endif /* CONFIG_SMP */
@@ -19,4 +17,6 @@

#include <asm-generic/percpu.h>

+#include <asm/paca.h>
+
#endif /* _ASM_POWERPC_PERCPU_H_ */
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 22b01a3962f0..3edaee28b638 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -704,7 +704,7 @@ int vdso_getcpu_init(void)
node = cpu_to_node(cpu);
WARN_ON_ONCE(node > 0xffff);

- val = (cpu & 0xfff) | ((node & 0xffff) << 16);
+ val = (cpu & 0xffff) | ((node & 0xffff) << 16);
mtspr(SPRN_SPRG_VDSO_WRITE, val);
get_paca()->sprg_vdso = val;

diff --git a/arch/powerpc/platforms/pseries/hotplug-memory.c b/arch/powerpc/platforms/pseries/hotplug-memory.c
index a0847be0b035..1a3cffdaa1e8 100644
--- a/arch/powerpc/platforms/pseries/hotplug-memory.c
+++ b/arch/powerpc/platforms/pseries/hotplug-memory.c
@@ -30,7 +30,7 @@ static bool rtas_hp_event;
unsigned long pseries_memory_block_size(void)
{
struct device_node *np;
- unsigned int memblock_size = MIN_MEMORY_BLOCK_SIZE;
+ u64 memblock_size = MIN_MEMORY_BLOCK_SIZE;
struct resource r;

np = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
diff --git a/arch/sh/boards/mach-landisk/setup.c b/arch/sh/boards/mach-landisk/setup.c
index f1147caebacf..af69fb7fef7c 100644
--- a/arch/sh/boards/mach-landisk/setup.c
+++ b/arch/sh/boards/mach-landisk/setup.c
@@ -85,6 +85,9 @@ device_initcall(landisk_devices_setup);

static void __init landisk_setup(char **cmdline_p)
{
+ /* I/O port identity mapping */
+ __set_io_port_base(0);
+
/* LED ON */
__raw_writeb(__raw_readb(PA_LED) | 0x03, PA_LED);

diff --git a/arch/x86/crypto/aes_ctrby8_avx-x86_64.S b/arch/x86/crypto/aes_ctrby8_avx-x86_64.S
index 5f6a5af9c489..77043a82da51 100644
--- a/arch/x86/crypto/aes_ctrby8_avx-x86_64.S
+++ b/arch/x86/crypto/aes_ctrby8_avx-x86_64.S
@@ -127,10 +127,6 @@ ddq_add_8:

/* generate a unique variable for ddq_add_x */

-.macro setddq n
- var_ddq_add = ddq_add_\n
-.endm
-
/* generate a unique variable for xmm register */
.macro setxdata n
var_xdata = %xmm\n
@@ -140,9 +136,7 @@ ddq_add_8:

.macro club name, id
.altmacro
- .if \name == DDQ_DATA
- setddq %\id
- .elseif \name == XDATA
+ .if \name == XDATA
setxdata %\id
.endif
.noaltmacro
@@ -165,9 +159,8 @@ ddq_add_8:

.set i, 1
.rept (by - 1)
- club DDQ_DATA, i
club XDATA, i
- vpaddq var_ddq_add(%rip), xcounter, var_xdata
+ vpaddq (ddq_add_1 + 16 * (i - 1))(%rip), xcounter, var_xdata
vptest ddq_low_msk(%rip), var_xdata
jnz 1f
vpaddq ddq_high_add_1(%rip), var_xdata, var_xdata
@@ -180,8 +173,7 @@ ddq_add_8:
vmovdqa 1*16(p_keys), xkeyA

vpxor xkey0, xdata0, xdata0
- club DDQ_DATA, by
- vpaddq var_ddq_add(%rip), xcounter, xcounter
+ vpaddq (ddq_add_1 + 16 * (by - 1))(%rip), xcounter, xcounter
vptest ddq_low_msk(%rip), xcounter
jnz 1f
vpaddq ddq_high_add_1(%rip), xcounter, xcounter
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index b5652233e674..a1c4a13782da 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2252,8 +2252,13 @@ static int mp_irqdomain_create(int ioapic)

static void ioapic_destroy_irqdomain(int idx)
{
+ struct ioapic_domain_cfg *cfg = &ioapics[idx].irqdomain_cfg;
+ struct fwnode_handle *fn = ioapics[idx].irqdomain->fwnode;
+
if (ioapics[idx].irqdomain) {
irq_domain_remove(ioapics[idx].irqdomain);
+ if (!cfg->dev)
+ irq_domain_free_fwnode(fn);
ioapics[idx].irqdomain = NULL;
}
}
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 36cd34524ac1..637cf4dfccc9 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -368,6 +368,10 @@ static int x86_vector_alloc_irqs(struct irq_domain *domain, unsigned int virq,
irq_data->chip = &lapic_controller;
irq_data->chip_data = data;
irq_data->hwirq = virq + i;
+
+ /* Don't invoke affinity setter on deactivated interrupts */
+ irqd_set_affinity_on_activate(irq_data);
+
err = assign_irq_vector_policy(virq + i, node, data, info,
irq_data);
if (err) {
diff --git a/arch/x86/kernel/cpu/mcheck/mce-inject.c b/arch/x86/kernel/cpu/mcheck/mce-inject.c
index e57b59762f9f..94aa91b09c28 100644
--- a/arch/x86/kernel/cpu/mcheck/mce-inject.c
+++ b/arch/x86/kernel/cpu/mcheck/mce-inject.c
@@ -518,7 +518,7 @@ static void do_inject(void)
*/
if (inj_type == DFR_INT_INJ) {
i_mce.status |= MCI_STATUS_DEFERRED;
- i_mce.status |= (i_mce.status & ~MCI_STATUS_UC);
+ i_mce.status &= ~MCI_STATUS_UC;
}

/*
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 734549492a18..dc4d27000aa3 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -374,7 +374,7 @@ static unsigned long task_seg_base(struct task_struct *task,
*/
mutex_lock(&task->mm->context.lock);
ldt = task->mm->context.ldt;
- if (unlikely(idx >= ldt->nr_entries))
+ if (unlikely(!ldt || idx >= ldt->nr_entries))
base = 0;
else
base = get_desc_base(ldt->entries + idx);
diff --git a/arch/xtensa/kernel/perf_event.c b/arch/xtensa/kernel/perf_event.c
index ff1d81385ed7..768e1f7ab871 100644
--- a/arch/xtensa/kernel/perf_event.c
+++ b/arch/xtensa/kernel/perf_event.c
@@ -404,7 +404,7 @@ static struct pmu xtensa_pmu = {
.read = xtensa_pmu_read,
};

-static int xtensa_pmu_setup(int cpu)
+static int xtensa_pmu_setup(unsigned int cpu)
{
unsigned i;

diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c
index 8de060664204..e23f3d54bb31 100644
--- a/drivers/acpi/acpica/exprep.c
+++ b/drivers/acpi/acpica/exprep.c
@@ -507,10 +507,6 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info)
(u8)access_byte_width;
}
}
- /* An additional reference for the container */
-
- acpi_ut_add_reference(obj_desc->field.region_obj);
-
ACPI_DEBUG_PRINT((ACPI_DB_BFIELD,
"RegionField: BitOff %X, Off %X, Gran %X, Region %p\n",
obj_desc->field.start_field_bit_offset,
diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c
index c6eb9fae70f9..61a979d0fbc5 100644
--- a/drivers/acpi/acpica/utdelete.c
+++ b/drivers/acpi/acpica/utdelete.c
@@ -593,11 +593,6 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
next_object = object->buffer_field.buffer_obj;
break;

- case ACPI_TYPE_LOCAL_REGION_FIELD:
-
- next_object = object->field.region_obj;
- break;
-
case ACPI_TYPE_LOCAL_BANK_FIELD:

next_object = object->bank_field.bank_obj;
@@ -638,6 +633,7 @@ acpi_ut_update_object_reference(union acpi_operand_object *object, u16 action)
}
break;

+ case ACPI_TYPE_LOCAL_REGION_FIELD:
case ACPI_TYPE_REGION:
default:

diff --git a/drivers/android/binder.c b/drivers/android/binder.c
index 05e75d18b4d9..bd74a29cf86c 100644
--- a/drivers/android/binder.c
+++ b/drivers/android/binder.c
@@ -2813,6 +2813,12 @@ static void binder_transaction(struct binder_proc *proc,
goto err_dead_binder;
}
e->to_node = target_node->debug_id;
+ if (WARN_ON(proc == target_proc)) {
+ return_error = BR_FAILED_REPLY;
+ return_error_param = -EINVAL;
+ return_error_line = __LINE__;
+ goto err_invalid_target_handle;
+ }
if (security_binder_transaction(proc->tsk,
target_proc->tsk) < 0) {
return_error = BR_FAILED_REPLY;
@@ -3288,10 +3294,17 @@ static int binder_thread_write(struct binder_proc *proc,
struct binder_node *ctx_mgr_node;
mutex_lock(&context->context_mgr_node_lock);
ctx_mgr_node = context->binder_context_mgr_node;
- if (ctx_mgr_node)
+ if (ctx_mgr_node) {
+ if (ctx_mgr_node->proc == proc) {
+ binder_user_error("%d:%d context manager tried to acquire desc 0\n",
+ proc->pid, thread->pid);
+ mutex_unlock(&context->context_mgr_node_lock);
+ return -EINVAL;
+ }
ret = binder_inc_ref_for_node(
proc, ctx_mgr_node,
strong, NULL, &rdata);
+ }
mutex_unlock(&context->context_mgr_node_lock);
}
if (ret)
diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c
index afebeb1c3e1e..723bad1201cc 100644
--- a/drivers/atm/atmtcp.c
+++ b/drivers/atm/atmtcp.c
@@ -432,9 +432,15 @@ static int atmtcp_remove_persistent(int itf)
return -EMEDIUMTYPE;
}
dev_data = PRIV(dev);
- if (!dev_data->persist) return 0;
+ if (!dev_data->persist) {
+ atm_dev_put(dev);
+ return 0;
+ }
dev_data->persist = 0;
- if (PRIV(dev)->vcc) return 0;
+ if (PRIV(dev)->vcc) {
+ atm_dev_put(dev);
+ return 0;
+ }
kfree(dev_data);
atm_dev_put(dev);
atm_dev_deregister(dev);
diff --git a/drivers/bluetooth/hci_serdev.c b/drivers/bluetooth/hci_serdev.c
index 69c00a3db538..72cf2d97b682 100644
--- a/drivers/bluetooth/hci_serdev.c
+++ b/drivers/bluetooth/hci_serdev.c
@@ -361,7 +361,8 @@ void hci_uart_unregister_device(struct hci_uart *hu)
struct hci_dev *hdev = hu->hdev;

clear_bit(HCI_UART_PROTO_READY, &hu->flags);
- hci_unregister_dev(hdev);
+ if (test_bit(HCI_UART_REGISTERED, &hu->flags))
+ hci_unregister_dev(hdev);
hci_free_dev(hdev);

cancel_work_sync(&hu->write_work);
diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 7516ba981b63..34cc853772bc 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -304,8 +304,10 @@ static int intel_gtt_setup_scratch_page(void)
if (intel_private.needs_dmar) {
dma_addr = pci_map_page(intel_private.pcidev, page, 0,
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
- if (pci_dma_mapping_error(intel_private.pcidev, dma_addr))
+ if (pci_dma_mapping_error(intel_private.pcidev, dma_addr)) {
+ __free_page(page);
return -EINVAL;
+ }

intel_private.scratch_page_dma = dma_addr;
} else
diff --git a/drivers/clk/sirf/clk-atlas6.c b/drivers/clk/sirf/clk-atlas6.c
index 665fa681b2e1..1e6bdf22c3b6 100644
--- a/drivers/clk/sirf/clk-atlas6.c
+++ b/drivers/clk/sirf/clk-atlas6.c
@@ -136,7 +136,7 @@ static void __init atlas6_clk_init(struct device_node *np)

for (i = pll1; i < maxclk; i++) {
atlas6_clks[i] = clk_register(NULL, atlas6_clk_hw_array[i]);
- BUG_ON(!atlas6_clks[i]);
+ BUG_ON(IS_ERR(atlas6_clks[i]));
}
clk_register_clkdev(atlas6_clks[cpu], NULL, "cpu");
clk_register_clkdev(atlas6_clks[io], NULL, "io");
diff --git a/drivers/crypto/cavium/cpt/cptvf_algs.c b/drivers/crypto/cavium/cpt/cptvf_algs.c
index df21d996db7e..2d1b28c29a8e 100644
--- a/drivers/crypto/cavium/cpt/cptvf_algs.c
+++ b/drivers/crypto/cavium/cpt/cptvf_algs.c
@@ -205,6 +205,7 @@ static inline int cvm_enc_dec(struct ablkcipher_request *req, u32 enc)
int status;

memset(req_info, 0, sizeof(struct cpt_request_info));
+ req_info->may_sleep = (req->base.flags & CRYPTO_TFM_REQ_MAY_SLEEP) != 0;
memset(fctx, 0, sizeof(struct fc_context));
create_input_list(req, enc, enc_iv_len);
create_output_list(req, enc_iv_len);
diff --git a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
index b0ba4331944b..43fe69d0981a 100644
--- a/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
+++ b/drivers/crypto/cavium/cpt/cptvf_reqmanager.c
@@ -136,7 +136,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,

/* Setup gather (input) components */
g_sz_bytes = ((req->incnt + 3) / 4) * sizeof(struct sglist_component);
- info->gather_components = kzalloc(g_sz_bytes, GFP_KERNEL);
+ info->gather_components = kzalloc(g_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->gather_components) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -153,7 +153,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,

/* Setup scatter (output) components */
s_sz_bytes = ((req->outcnt + 3) / 4) * sizeof(struct sglist_component);
- info->scatter_components = kzalloc(s_sz_bytes, GFP_KERNEL);
+ info->scatter_components = kzalloc(s_sz_bytes, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->scatter_components) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -170,7 +170,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,

/* Create and initialize DPTR */
info->dlen = g_sz_bytes + s_sz_bytes + SG_LIST_HDR_SIZE;
- info->in_buffer = kzalloc(info->dlen, GFP_KERNEL);
+ info->in_buffer = kzalloc(info->dlen, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->in_buffer) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -198,7 +198,7 @@ static inline int setup_sgio_list(struct cpt_vf *cptvf,
}

/* Create and initialize RPTR */
- info->out_buffer = kzalloc(COMPLETION_CODE_SIZE, GFP_KERNEL);
+ info->out_buffer = kzalloc(COMPLETION_CODE_SIZE, req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (!info->out_buffer) {
ret = -ENOMEM;
goto scatter_gather_clean;
@@ -434,7 +434,7 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
struct cpt_vq_command vq_cmd;
union cpt_inst_s cptinst;

- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = kzalloc(sizeof(*info), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (unlikely(!info)) {
dev_err(&pdev->dev, "Unable to allocate memory for info_buffer\n");
return -ENOMEM;
@@ -456,7 +456,7 @@ int process_request(struct cpt_vf *cptvf, struct cpt_request_info *req)
* Get buffer for union cpt_res_s response
* structure and its physical address
*/
- info->completion_addr = kzalloc(sizeof(union cpt_res_s), GFP_KERNEL);
+ info->completion_addr = kzalloc(sizeof(union cpt_res_s), req->may_sleep ? GFP_KERNEL : GFP_ATOMIC);
if (unlikely(!info->completion_addr)) {
dev_err(&pdev->dev, "Unable to allocate memory for completion_addr\n");
ret = -ENOMEM;
diff --git a/drivers/crypto/cavium/cpt/request_manager.h b/drivers/crypto/cavium/cpt/request_manager.h
index 80ee074c6e0c..09930d95ad24 100644
--- a/drivers/crypto/cavium/cpt/request_manager.h
+++ b/drivers/crypto/cavium/cpt/request_manager.h
@@ -65,6 +65,8 @@ struct cpt_request_info {
union ctrl_info ctrl; /* User control information */
struct cptvf_request req; /* Request Information (Core specific) */

+ bool may_sleep;
+
struct buf_ptr in[MAX_BUF_CNT];
struct buf_ptr out[MAX_BUF_CNT];

diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h
index 7442b0422f8a..bd43b5c1450c 100644
--- a/drivers/crypto/ccp/ccp-dev.h
+++ b/drivers/crypto/ccp/ccp-dev.h
@@ -471,6 +471,7 @@ struct ccp_sg_workarea {
unsigned int sg_used;

struct scatterlist *dma_sg;
+ struct scatterlist *dma_sg_head;
struct device *dma_dev;
unsigned int dma_count;
enum dma_data_direction dma_dir;
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 43b74cf0787e..626b643d610e 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -67,7 +67,7 @@ static u32 ccp_gen_jobid(struct ccp_device *ccp)
static void ccp_sg_free(struct ccp_sg_workarea *wa)
{
if (wa->dma_count)
- dma_unmap_sg(wa->dma_dev, wa->dma_sg, wa->nents, wa->dma_dir);
+ dma_unmap_sg(wa->dma_dev, wa->dma_sg_head, wa->nents, wa->dma_dir);

wa->dma_count = 0;
}
@@ -96,6 +96,7 @@ static int ccp_init_sg_workarea(struct ccp_sg_workarea *wa, struct device *dev,
return 0;

wa->dma_sg = sg;
+ wa->dma_sg_head = sg;
wa->dma_dev = dev;
wa->dma_dir = dma_dir;
wa->dma_count = dma_map_sg(dev, sg, wa->nents, dma_dir);
@@ -108,14 +109,28 @@ static int ccp_init_sg_workarea(struct ccp_sg_workarea *wa, struct device *dev,
static void ccp_update_sg_workarea(struct ccp_sg_workarea *wa, unsigned int len)
{
unsigned int nbytes = min_t(u64, len, wa->bytes_left);
+ unsigned int sg_combined_len = 0;

if (!wa->sg)
return;

wa->sg_used += nbytes;
wa->bytes_left -= nbytes;
- if (wa->sg_used == wa->sg->length) {
- wa->sg = sg_next(wa->sg);
+ if (wa->sg_used == sg_dma_len(wa->dma_sg)) {
+ /* Advance to the next DMA scatterlist entry */
+ wa->dma_sg = sg_next(wa->dma_sg);
+
+ /* In the case that the DMA mapped scatterlist has entries
+ * that have been merged, the non-DMA mapped scatterlist
+ * must be advanced multiple times for each merged entry.
+ * This ensures that the current non-DMA mapped entry
+ * corresponds to the current DMA mapped entry.
+ */
+ do {
+ sg_combined_len += wa->sg->length;
+ wa->sg = sg_next(wa->sg);
+ } while (wa->sg_used > sg_combined_len);
+
wa->sg_used = 0;
}
}
@@ -304,7 +319,7 @@ static unsigned int ccp_queue_buf(struct ccp_data *data, unsigned int from)
/* Update the structures and generate the count */
buf_count = 0;
while (sg_wa->bytes_left && (buf_count < dm_wa->length)) {
- nbytes = min(sg_wa->sg->length - sg_wa->sg_used,
+ nbytes = min(sg_dma_len(sg_wa->dma_sg) - sg_wa->sg_used,
dm_wa->length - buf_count);
nbytes = min_t(u64, sg_wa->bytes_left, nbytes);

@@ -336,11 +351,11 @@ static void ccp_prepare_data(struct ccp_data *src, struct ccp_data *dst,
* and destination. The resulting len values will always be <= UINT_MAX
* because the dma length is an unsigned int.
*/
- sg_src_len = sg_dma_len(src->sg_wa.sg) - src->sg_wa.sg_used;
+ sg_src_len = sg_dma_len(src->sg_wa.dma_sg) - src->sg_wa.sg_used;
sg_src_len = min_t(u64, src->sg_wa.bytes_left, sg_src_len);

if (dst) {
- sg_dst_len = sg_dma_len(dst->sg_wa.sg) - dst->sg_wa.sg_used;
+ sg_dst_len = sg_dma_len(dst->sg_wa.dma_sg) - dst->sg_wa.sg_used;
sg_dst_len = min_t(u64, src->sg_wa.bytes_left, sg_dst_len);
op_len = min(sg_src_len, sg_dst_len);
} else {
@@ -370,7 +385,7 @@ static void ccp_prepare_data(struct ccp_data *src, struct ccp_data *dst,
/* Enough data in the sg element, but we need to
* adjust for any previously copied data
*/
- op->src.u.dma.address = sg_dma_address(src->sg_wa.sg);
+ op->src.u.dma.address = sg_dma_address(src->sg_wa.dma_sg);
op->src.u.dma.offset = src->sg_wa.sg_used;
op->src.u.dma.length = op_len & ~(block_size - 1);

@@ -391,7 +406,7 @@ static void ccp_prepare_data(struct ccp_data *src, struct ccp_data *dst,
/* Enough room in the sg element, but we need to
* adjust for any previously used area
*/
- op->dst.u.dma.address = sg_dma_address(dst->sg_wa.sg);
+ op->dst.u.dma.address = sg_dma_address(dst->sg_wa.dma_sg);
op->dst.u.dma.offset = dst->sg_wa.sg_used;
op->dst.u.dma.length = op->src.u.dma.length;
}
@@ -2034,7 +2049,7 @@ ccp_run_passthru_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
dst.sg_wa.sg_used = 0;
for (i = 1; i <= src.sg_wa.dma_count; i++) {
if (!dst.sg_wa.sg ||
- (dst.sg_wa.sg->length < src.sg_wa.sg->length)) {
+ (sg_dma_len(dst.sg_wa.sg) < sg_dma_len(src.sg_wa.sg))) {
ret = -EINVAL;
goto e_dst;
}
@@ -2060,8 +2075,8 @@ ccp_run_passthru_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd)
goto e_dst;
}

- dst.sg_wa.sg_used += src.sg_wa.sg->length;
- if (dst.sg_wa.sg_used == dst.sg_wa.sg->length) {
+ dst.sg_wa.sg_used += sg_dma_len(src.sg_wa.sg);
+ if (dst.sg_wa.sg_used == sg_dma_len(dst.sg_wa.sg)) {
dst.sg_wa.sg = sg_next(dst.sg_wa.sg);
dst.sg_wa.sg_used = 0;
}
diff --git a/drivers/crypto/qat/qat_common/qat_uclo.c b/drivers/crypto/qat/qat_common/qat_uclo.c
index e2454d90d949..4f1cd83bf56f 100644
--- a/drivers/crypto/qat/qat_common/qat_uclo.c
+++ b/drivers/crypto/qat/qat_common/qat_uclo.c
@@ -332,13 +332,18 @@ static int qat_uclo_create_batch_init_list(struct icp_qat_fw_loader_handle
}
return 0;
out_err:
+ /* Do not free the list head unless we allocated it. */
+ tail_old = tail_old->next;
+ if (flag) {
+ kfree(*init_tab_base);
+ *init_tab_base = NULL;
+ }
+
while (tail_old) {
mem_init = tail_old->next;
kfree(tail_old);
tail_old = mem_init;
}
- if (flag)
- kfree(*init_tab_base);
return -ENOMEM;
}

diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 0e7ea3591b78..5e7593753799 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -275,6 +275,7 @@ int edac_device_register_sysfs_main_kobj(struct edac_device_ctl_info *edac_dev)

/* Error exit stack */
err_kobj_reg:
+ kobject_put(&edac_dev->kobj);
module_put(edac_dev->owner);

err_out:
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index 72c9eb9fdffb..53042af7262e 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -386,7 +386,7 @@ static int edac_pci_main_kobj_setup(void)

/* Error unwind statck */
kobject_init_and_add_fail:
- kfree(edac_pci_top_main_kobj);
+ kobject_put(edac_pci_top_main_kobj);

kzalloc_fail:
module_put(THIS_MODULE);
diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c
index 16b8b310ae5c..7072d738b072 100644
--- a/drivers/gpu/drm/arm/malidp_planes.c
+++ b/drivers/gpu/drm/arm/malidp_planes.c
@@ -369,7 +369,7 @@ int malidp_de_planes_init(struct drm_device *drm)
const struct malidp_hw_regmap *map = &malidp->dev->map;
struct malidp_plane *plane = NULL;
enum drm_plane_type plane_type;
- unsigned long crtcs = 1 << drm->mode_config.num_crtc;
+ unsigned long crtcs = BIT(drm->mode_config.num_crtc);
unsigned long flags = DRM_MODE_ROTATE_0 | DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_180 |
DRM_MODE_ROTATE_270 | DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y;
u32 *formats;
diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index 0cb69ee94ac1..b93486892f4a 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -167,7 +167,7 @@ static void sii8620_read_buf(struct sii8620 *ctx, u16 addr, u8 *buf, int len)

static u8 sii8620_readb(struct sii8620 *ctx, u16 addr)
{
- u8 ret;
+ u8 ret = 0;

sii8620_read_buf(ctx, addr, &ret, 1);
return ret;
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index c1807d5754b2..454deba13ee5 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -250,13 +250,13 @@ static ssize_t connector_write(struct file *file, const char __user *ubuf,

buf[len] = '\0';

- if (!strcmp(buf, "on"))
+ if (sysfs_streq(buf, "on"))
connector->force = DRM_FORCE_ON;
- else if (!strcmp(buf, "digital"))
+ else if (sysfs_streq(buf, "digital"))
connector->force = DRM_FORCE_ON_DIGITAL;
- else if (!strcmp(buf, "off"))
+ else if (sysfs_streq(buf, "off"))
connector->force = DRM_FORCE_OFF;
- else if (!strcmp(buf, "unspecified"))
+ else if (sysfs_streq(buf, "unspecified"))
connector->force = DRM_FORCE_UNSPECIFIED;
else
return -EINVAL;
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
index 4b47226b90d4..6f0de951b75d 100644
--- a/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/drivers/gpu/drm/drm_mipi_dsi.c
@@ -1029,11 +1029,11 @@ EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format);
*/
int mipi_dsi_dcs_set_tear_scanline(struct mipi_dsi_device *dsi, u16 scanline)
{
- u8 payload[3] = { MIPI_DCS_SET_TEAR_SCANLINE, scanline >> 8,
- scanline & 0xff };
+ u8 payload[2] = { scanline >> 8, scanline & 0xff };
ssize_t err;

- err = mipi_dsi_generic_write(dsi, payload, sizeof(payload));
+ err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_TEAR_SCANLINE, payload,
+ sizeof(payload));
if (err < 0)
return err;

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 4f2e6c7e04c1..d38648a7ef2d 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -311,18 +311,19 @@ static void imx_ldb_encoder_disable(struct drm_encoder *encoder)
{
struct imx_ldb_channel *imx_ldb_ch = enc_to_imx_ldb_ch(encoder);
struct imx_ldb *ldb = imx_ldb_ch->ldb;
+ int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
int mux, ret;

drm_panel_disable(imx_ldb_ch->panel);

- if (imx_ldb_ch == &ldb->channel[0])
+ if (imx_ldb_ch == &ldb->channel[0] || dual)
ldb->ldb_ctrl &= ~LDB_CH0_MODE_EN_MASK;
- else if (imx_ldb_ch == &ldb->channel[1])
+ if (imx_ldb_ch == &ldb->channel[1] || dual)
ldb->ldb_ctrl &= ~LDB_CH1_MODE_EN_MASK;

regmap_write(ldb->regmap, IOMUXC_GPR2, ldb->ldb_ctrl);

- if (ldb->ldb_ctrl & LDB_SPLIT_MODE_EN) {
+ if (dual) {
clk_disable_unprepare(ldb->clk[0]);
clk_disable_unprepare(ldb->clk[1]);
}
diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c
index bc27c2699464..c22c3e6e9b7a 100644
--- a/drivers/gpu/drm/imx/imx-tve.c
+++ b/drivers/gpu/drm/imx/imx-tve.c
@@ -498,6 +498,13 @@ static int imx_tve_register(struct drm_device *drm, struct imx_tve *tve)
return 0;
}

+static void imx_tve_disable_regulator(void *data)
+{
+ struct imx_tve *tve = data;
+
+ regulator_disable(tve->dac_reg);
+}
+
static bool imx_tve_readable_reg(struct device *dev, unsigned int reg)
{
return (reg % 4 == 0) && (reg <= 0xdc);
@@ -622,6 +629,9 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
ret = regulator_enable(tve->dac_reg);
if (ret)
return ret;
+ ret = devm_add_action_or_reset(dev, imx_tve_disable_regulator, tve);
+ if (ret)
+ return ret;
}

tve->clk = devm_clk_get(dev, "tve");
@@ -668,18 +678,8 @@ static int imx_tve_bind(struct device *dev, struct device *master, void *data)
return 0;
}

-static void imx_tve_unbind(struct device *dev, struct device *master,
- void *data)
-{
- struct imx_tve *tve = dev_get_drvdata(dev);
-
- if (!IS_ERR(tve->dac_reg))
- regulator_disable(tve->dac_reg);
-}
-
static const struct component_ops imx_tve_ops = {
.bind = imx_tve_bind,
- .unbind = imx_tve_unbind,
};

static int imx_tve_probe(struct platform_device *pdev)
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index d00524a5d7f0..fb6b1d0f7fef 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -840,8 +840,10 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)

/* need to bring up power immediately if opening device */
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }

get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
@@ -930,8 +932,10 @@ nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
long ret;

ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }

switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
case DRM_NOUVEAU_NVIF:
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 2b12d82aac15..9ffb09679cc4 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -310,7 +310,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper,
struct nouveau_framebuffer *fb;
struct nouveau_channel *chan;
struct nouveau_bo *nvbo;
- struct drm_mode_fb_cmd2 mode_cmd;
+ struct drm_mode_fb_cmd2 mode_cmd = {};
int ret;

mode_cmd.width = sizes->surface_width;
@@ -543,6 +543,7 @@ nouveau_fbcon_init(struct drm_device *dev)
drm_fb_helper_fini(&fbcon->helper);
free:
kfree(fbcon);
+ drm->fbcon = NULL;
return ret;
}

diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 60ffb70bb908..c6149b5be073 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -42,8 +42,10 @@ nouveau_gem_object_del(struct drm_gem_object *gem)
int ret;

ret = pm_runtime_get_sync(dev);
- if (WARN_ON(ret < 0 && ret != -EACCES))
+ if (WARN_ON(ret < 0 && ret != -EACCES)) {
+ pm_runtime_put_autosuspend(dev);
return;
+ }

if (gem->import_attach)
drm_prime_gem_destroy(gem, nvbo->bo.sg);
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index c1daed3fe842..6df312ba1826 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1253,7 +1253,7 @@ static const struct drm_display_mode lg_lb070wv8_mode = {
static const struct panel_desc lg_lb070wv8 = {
.modes = &lg_lb070wv8_mode,
.num_modes = 1,
- .bpc = 16,
+ .bpc = 8,
.size = {
.width = 151,
.height = 91,
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 6e607cc7b6e5..81bc2b89222f 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -4342,7 +4342,7 @@ static int ci_set_mc_special_registers(struct radeon_device *rdev,
table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
}
j++;
- if (j > SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
+ if (j >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
return -EINVAL;

if (!pi->mem_gddr5) {
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index d86110cdf085..b2334349799d 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -627,8 +627,10 @@ radeon_crtc_set_config(struct drm_mode_set *set,
dev = set->crtc->dev;

ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }

ret = drm_crtc_helper_set_config(set, ctx);

diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index f6908e2f9e55..41e8abd09978 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -496,8 +496,10 @@ long radeon_drm_ioctl(struct file *filp,
long ret;
dev = file_priv->minor->dev;
ret = pm_runtime_get_sync(dev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(dev->dev);
return ret;
+ }

ret = drm_ioctl(filp, cmd, arg);

diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index dfee8f7d94ae..2e28cf811840 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -659,8 +659,10 @@ int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
file_priv->driver_priv = NULL;

r = pm_runtime_get_sync(dev->dev);
- if (r < 0)
+ if (r < 0) {
+ pm_runtime_put_autosuspend(dev->dev);
return r;
+ }

/* new gpu have virtual address space support */
if (rdev->family >= CHIP_CAYMAN) {
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
index 1813a3623ce6..0484b2cf0e2b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c
@@ -152,12 +152,16 @@ static int panel_connector_get_modes(struct drm_connector *connector)
int i;

for (i = 0; i < timings->num_timings; i++) {
- struct drm_display_mode *mode = drm_mode_create(dev);
+ struct drm_display_mode *mode;
struct videomode vm;

if (videomode_from_timings(timings, &vm, i))
break;

+ mode = drm_mode_create(dev);
+ if (!mode)
+ break;
+
drm_display_mode_from_videomode(&vm, mode);

mode->type = DRM_MODE_TYPE_DRIVER;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 11f1c30ead54..848c9d009be2 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -2707,7 +2707,7 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
++i;
}

- if (i != unit) {
+ if (&con->head == &dev_priv->dev->mode_config.connector_list) {
DRM_ERROR("Could not find initial display unit.\n");
return -EINVAL;
}
@@ -2729,13 +2729,13 @@ int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
break;
}

- if (mode->type & DRM_MODE_TYPE_PREFERRED)
- *p_mode = mode;
- else {
+ if (&mode->head == &con->modes) {
WARN_ONCE(true, "Could not find initial preferred mode.\n");
*p_mode = list_first_entry(&con->modes,
struct drm_display_mode,
head);
+ } else {
+ *p_mode = mode;
}

return 0;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index 3824595fece1..39f4ad0dab8d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -79,7 +79,7 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
struct vmw_legacy_display_unit *entry;
struct drm_framebuffer *fb = NULL;
struct drm_crtc *crtc = NULL;
- int i = 0;
+ int i;

/* If there is no display topology the host just assumes
* that the guest will set the same layout as the host.
@@ -90,12 +90,11 @@ static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
crtc = &entry->base.crtc;
w = max(w, crtc->x + crtc->mode.hdisplay);
h = max(h, crtc->y + crtc->mode.vdisplay);
- i++;
}

if (crtc == NULL)
return 0;
- fb = entry->base.crtc.primary->state->fb;
+ fb = crtc->primary->state->fb;

return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
fb->format->cpp[0] * 8,
diff --git a/drivers/gpu/host1x/debug.c b/drivers/gpu/host1x/debug.c
index 2aae0e63214c..0b8c23c399c2 100644
--- a/drivers/gpu/host1x/debug.c
+++ b/drivers/gpu/host1x/debug.c
@@ -25,6 +25,8 @@
#include "debug.h"
#include "channel.h"

+static DEFINE_MUTEX(debug_lock);
+
unsigned int host1x_debug_trace_cmdbuf;

static pid_t host1x_debug_force_timeout_pid;
@@ -49,12 +51,14 @@ static int show_channel(struct host1x_channel *ch, void *data, bool show_fifo)
struct output *o = data;

mutex_lock(&ch->cdma.lock);
+ mutex_lock(&debug_lock);

if (show_fifo)
host1x_hw_show_channel_fifo(m, ch, o);

host1x_hw_show_channel_cdma(m, ch, o);

+ mutex_unlock(&debug_lock);
mutex_unlock(&ch->cdma.lock);

return 0;
diff --git a/drivers/gpu/ipu-v3/ipu-image-convert.c b/drivers/gpu/ipu-v3/ipu-image-convert.c
index a5e33d58e02f..d2f9e6552267 100644
--- a/drivers/gpu/ipu-v3/ipu-image-convert.c
+++ b/drivers/gpu/ipu-v3/ipu-image-convert.c
@@ -992,9 +992,10 @@ static irqreturn_t do_irq(struct ipu_image_convert_run *run)
return IRQ_WAKE_THREAD;
}

-static irqreturn_t norotate_irq(int irq, void *data)
+static irqreturn_t eof_irq(int irq, void *data)
{
struct ipu_image_convert_chan *chan = data;
+ struct ipu_image_convert_priv *priv = chan->priv;
struct ipu_image_convert_ctx *ctx;
struct ipu_image_convert_run *run;
unsigned long flags;
@@ -1011,45 +1012,26 @@ static irqreturn_t norotate_irq(int irq, void *data)

ctx = run->ctx;

- if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
- /* this is a rotation operation, just ignore */
- spin_unlock_irqrestore(&chan->irqlock, flags);
- return IRQ_HANDLED;
- }
-
- ret = do_irq(run);
-out:
- spin_unlock_irqrestore(&chan->irqlock, flags);
- return ret;
-}
-
-static irqreturn_t rotate_irq(int irq, void *data)
-{
- struct ipu_image_convert_chan *chan = data;
- struct ipu_image_convert_priv *priv = chan->priv;
- struct ipu_image_convert_ctx *ctx;
- struct ipu_image_convert_run *run;
- unsigned long flags;
- irqreturn_t ret;
-
- spin_lock_irqsave(&chan->irqlock, flags);
-
- /* get current run and its context */
- run = chan->current_run;
- if (!run) {
+ if (irq == chan->out_eof_irq) {
+ if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
+ /* this is a rotation op, just ignore */
+ ret = IRQ_HANDLED;
+ goto out;
+ }
+ } else if (irq == chan->rot_out_eof_irq) {
+ if (!ipu_rot_mode_is_irt(ctx->rot_mode)) {
+ /* this was NOT a rotation op, shouldn't happen */
+ dev_err(priv->ipu->dev,
+ "Unexpected rotation interrupt\n");
+ ret = IRQ_HANDLED;
+ goto out;
+ }
+ } else {
+ dev_err(priv->ipu->dev, "Received unknown irq %d\n", irq);
ret = IRQ_NONE;
goto out;
}

- ctx = run->ctx;
-
- if (!ipu_rot_mode_is_irt(ctx->rot_mode)) {
- /* this was NOT a rotation operation, shouldn't happen */
- dev_err(priv->ipu->dev, "Unexpected rotation interrupt\n");
- spin_unlock_irqrestore(&chan->irqlock, flags);
- return IRQ_HANDLED;
- }
-
ret = do_irq(run);
out:
spin_unlock_irqrestore(&chan->irqlock, flags);
@@ -1142,7 +1124,7 @@ static int get_ipu_resources(struct ipu_image_convert_chan *chan)
chan->out_chan,
IPU_IRQ_EOF);

- ret = request_threaded_irq(chan->out_eof_irq, norotate_irq, do_bh,
+ ret = request_threaded_irq(chan->out_eof_irq, eof_irq, do_bh,
0, "ipu-ic", chan);
if (ret < 0) {
dev_err(priv->ipu->dev, "could not acquire irq %d\n",
@@ -1155,7 +1137,7 @@ static int get_ipu_resources(struct ipu_image_convert_chan *chan)
chan->rotation_out_chan,
IPU_IRQ_EOF);

- ret = request_threaded_irq(chan->rot_out_eof_irq, rotate_irq, do_bh,
+ ret = request_threaded_irq(chan->rot_out_eof_irq, eof_irq, do_bh,
0, "ipu-ic", chan);
if (ret < 0) {
dev_err(priv->ipu->dev, "could not acquire irq %d\n",
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 14e4003fde4d..204ccf674533 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -362,13 +362,13 @@ static int hidinput_query_battery_capacity(struct hid_device *dev)
u8 *buf;
int ret;

- buf = kmalloc(2, GFP_KERNEL);
+ buf = kmalloc(4, GFP_KERNEL);
if (!buf)
return -ENOMEM;

- ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 2,
+ ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4,
dev->battery_report_type, HID_REQ_GET_REPORT);
- if (ret != 2) {
+ if (ret < 2) {
kfree(buf);
return -ENODATA;
}
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 43eaf54736f4..462f7f363faa 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -1228,6 +1228,8 @@ channel_message_table[CHANNELMSG_COUNT] = {
{ CHANNELMSG_19, 0, NULL },
{ CHANNELMSG_20, 0, NULL },
{ CHANNELMSG_TL_CONNECT_REQUEST, 0, NULL },
+ { CHANNELMSG_22, 0, NULL },
+ { CHANNELMSG_TL_CONNECT_RESULT, 0, NULL },
};

/*
@@ -1239,23 +1241,14 @@ void vmbus_onmessage(void *context)
{
struct hv_message *msg = context;
struct vmbus_channel_message_header *hdr;
- int size;

hdr = (struct vmbus_channel_message_header *)msg->u.payload;
- size = msg->header.payload_size;

- if (hdr->msgtype >= CHANNELMSG_COUNT) {
- pr_err("Received invalid channel message type %d size %d\n",
- hdr->msgtype, size);
- print_hex_dump_bytes("", DUMP_PREFIX_NONE,
- (unsigned char *)msg->u.payload, size);
- return;
- }
-
- if (channel_message_table[hdr->msgtype].message_handler)
- channel_message_table[hdr->msgtype].message_handler(hdr);
- else
- pr_err("Unhandled channel message type %d\n", hdr->msgtype);
+ /*
+ * vmbus_on_msg_dpc() makes sure the hdr->msgtype here can not go
+ * out of bound and the message_handler pointer can not be NULL.
+ */
+ channel_message_table[hdr->msgtype].message_handler(hdr);
}

/*
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 1fd812ed679b..45b8ccdfb085 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -890,6 +890,10 @@ void vmbus_on_msg_dpc(unsigned long data)
}

entry = &channel_message_table[hdr->msgtype];
+
+ if (!entry->message_handler)
+ goto msg_handled;
+
if (entry->handler_type == VMHT_BLOCKING) {
ctx = kmalloc(sizeof(*ctx), GFP_ATOMIC);
if (ctx == NULL)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etf.c b/drivers/hwtracing/coresight/coresight-tmc-etf.c
index 0a00f4e941fb..9bddbfbfbe03 100644
--- a/drivers/hwtracing/coresight/coresight-tmc-etf.c
+++ b/drivers/hwtracing/coresight/coresight-tmc-etf.c
@@ -587,15 +587,14 @@ int tmc_read_unprepare_etb(struct tmc_drvdata *drvdata)

spin_lock_irqsave(&drvdata->spinlock, flags);

- /* There is no point in reading a TMC in HW FIFO mode */
- mode = readl_relaxed(drvdata->base + TMC_MODE);
- if (mode != TMC_MODE_CIRCULAR_BUFFER) {
- spin_unlock_irqrestore(&drvdata->spinlock, flags);
- return -EINVAL;
- }
-
/* Re-enable the TMC if need be */
if (drvdata->mode == CS_MODE_SYSFS) {
+ /* There is no point in reading a TMC in HW FIFO mode */
+ mode = readl_relaxed(drvdata->base + TMC_MODE);
+ if (mode != TMC_MODE_CIRCULAR_BUFFER) {
+ spin_unlock_irqrestore(&drvdata->spinlock, flags);
+ return -EINVAL;
+ }
/*
* The trace run will continue with the same allocated trace
* buffer. As such zero-out the buffer so that we don't end
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index db9ca8e926ca..ed0f06810978 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -538,13 +538,14 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv)
rcar_i2c_write(priv, ICSIER, SDR | SSR | SAR);
}

- rcar_i2c_write(priv, ICSSR, ~SAR & 0xff);
+ /* Clear SSR, too, because of old STOPs to other clients than us */
+ rcar_i2c_write(priv, ICSSR, ~(SAR | SSR) & 0xff);
}

/* master sent stop */
if (ssr_filtered & SSR) {
i2c_slave_event(priv->slave, I2C_SLAVE_STOP, &value);
- rcar_i2c_write(priv, ICSIER, SAR | SSR);
+ rcar_i2c_write(priv, ICSIER, SAR);
rcar_i2c_write(priv, ICSSR, ~SSR & 0xff);
}

@@ -802,7 +803,7 @@ static int rcar_reg_slave(struct i2c_client *slave)
priv->slave = slave;
rcar_i2c_write(priv, ICSAR, slave->addr);
rcar_i2c_write(priv, ICSSR, 0);
- rcar_i2c_write(priv, ICSIER, SAR | SSR);
+ rcar_i2c_write(priv, ICSIER, SAR);
rcar_i2c_write(priv, ICSCR, SIE | SDBS);

return 0;
@@ -814,12 +815,14 @@ static int rcar_unreg_slave(struct i2c_client *slave)

WARN_ON(!priv->slave);

- /* disable irqs and ensure none is running before clearing ptr */
+ /* ensure no irq is running before clearing ptr */
+ disable_irq(priv->irq);
rcar_i2c_write(priv, ICSIER, 0);
- rcar_i2c_write(priv, ICSCR, 0);
+ rcar_i2c_write(priv, ICSSR, 0);
+ enable_irq(priv->irq);
+ rcar_i2c_write(priv, ICSCR, SDBS);
rcar_i2c_write(priv, ICSAR, 0); /* Gen2: must be 0 if not using slave */

- synchronize_irq(priv->irq);
priv->slave = NULL;

pm_runtime_put(rcar_i2c_priv_to_dev(priv));
diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c
index 4a78c65e9971..d89bc31e0622 100644
--- a/drivers/i2c/i2c-core-slave.c
+++ b/drivers/i2c/i2c-core-slave.c
@@ -22,10 +22,8 @@ int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb)
{
int ret;

- if (!client || !slave_cb) {
- WARN(1, "insufficient data\n");
+ if (WARN(IS_ERR_OR_NULL(client) || !slave_cb, "insufficient data\n"))
return -EINVAL;
- }

if (!(client->flags & I2C_CLIENT_SLAVE))
dev_warn(&client->dev, "%s: client slave flag not set. You might see address collisions\n",
@@ -64,6 +62,9 @@ int i2c_slave_unregister(struct i2c_client *client)
{
int ret;

+ if (IS_ERR_OR_NULL(client))
+ return -EINVAL;
+
if (!client->adapter->algo->unreg_slave) {
dev_err(&client->dev, "%s: not supported by adapter\n", __func__);
return -EOPNOTSUPP;
diff --git a/drivers/iio/dac/ad5592r-base.c b/drivers/iio/dac/ad5592r-base.c
index 69bde5909854..5c998ac8c840 100644
--- a/drivers/iio/dac/ad5592r-base.c
+++ b/drivers/iio/dac/ad5592r-base.c
@@ -417,7 +417,7 @@ static int ad5592r_read_raw(struct iio_dev *iio_dev,
s64 tmp = *val * (3767897513LL / 25LL);
*val = div_s64_rem(tmp, 1000000000LL, val2);

- ret = IIO_VAL_INT_PLUS_MICRO;
+ return IIO_VAL_INT_PLUS_MICRO;
} else {
int mult;

@@ -448,7 +448,7 @@ static int ad5592r_read_raw(struct iio_dev *iio_dev,
ret = IIO_VAL_INT;
break;
default:
- ret = -EINVAL;
+ return -EINVAL;
}

unlock:
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index 4a5c7a07a631..268e23ba4a63 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -509,7 +509,7 @@ void ipoib_ib_dev_cleanup(struct net_device *dev);

int ipoib_ib_dev_open_default(struct net_device *dev);
int ipoib_ib_dev_open(struct net_device *dev);
-int ipoib_ib_dev_stop(struct net_device *dev);
+void ipoib_ib_dev_stop(struct net_device *dev);
void ipoib_ib_dev_up(struct net_device *dev);
void ipoib_ib_dev_down(struct net_device *dev);
int ipoib_ib_dev_stop_default(struct net_device *dev);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index d77e8e2ae05f..8e1f48fe6f2e 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -809,7 +809,7 @@ int ipoib_ib_dev_stop_default(struct net_device *dev)
return 0;
}

-int ipoib_ib_dev_stop(struct net_device *dev)
+void ipoib_ib_dev_stop(struct net_device *dev)
{
struct ipoib_dev_priv *priv = ipoib_priv(dev);

@@ -817,8 +817,6 @@ int ipoib_ib_dev_stop(struct net_device *dev)

clear_bit(IPOIB_FLAG_INITIALIZED, &priv->flags);
ipoib_flush_ah(dev);
-
- return 0;
}

void ipoib_ib_tx_timer_func(unsigned long ctx)
diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c
index 11c32ac8234b..779d0b9341c0 100644
--- a/drivers/input/mouse/sentelic.c
+++ b/drivers/input/mouse/sentelic.c
@@ -454,7 +454,7 @@ static ssize_t fsp_attr_set_setreg(struct psmouse *psmouse, void *data,

fsp_reg_write_enable(psmouse, false);

- return count;
+ return retval;
}

PSMOUSE_DEFINE_WO_ATTR(setreg, S_IWUSR, NULL, fsp_attr_set_setreg);
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 154949a499c2..7cc5b04e30b7 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -601,13 +601,21 @@ static int intel_setup_irq_remapping(struct intel_iommu *iommu)

static void intel_teardown_irq_remapping(struct intel_iommu *iommu)
{
+ struct fwnode_handle *fn;
+
if (iommu && iommu->ir_table) {
if (iommu->ir_msi_domain) {
+ fn = iommu->ir_msi_domain->fwnode;
+
irq_domain_remove(iommu->ir_msi_domain);
+ irq_domain_free_fwnode(fn);
iommu->ir_msi_domain = NULL;
}
if (iommu->ir_domain) {
+ fn = iommu->ir_domain->fwnode;
+
irq_domain_remove(iommu->ir_domain);
+ irq_domain_free_fwnode(fn);
iommu->ir_domain = NULL;
}
free_pages((unsigned long)iommu->ir_table->base,
diff --git a/drivers/iommu/omap-iommu-debug.c b/drivers/iommu/omap-iommu-debug.c
index 505548aafeff..cec33e90e399 100644
--- a/drivers/iommu/omap-iommu-debug.c
+++ b/drivers/iommu/omap-iommu-debug.c
@@ -101,8 +101,11 @@ static ssize_t debug_read_regs(struct file *file, char __user *userbuf,
mutex_lock(&iommu_debug_lock);

bytes = omap_iommu_dump_ctx(obj, p, count);
+ if (bytes < 0)
+ goto err;
bytes = simple_read_from_buffer(userbuf, count, ppos, buf, bytes);

+err:
mutex_unlock(&iommu_debug_lock);
kfree(buf);

diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 84b23d902d5b..1d2267c6d31a 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -2199,6 +2199,7 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,
{
msi_alloc_info_t *info = args;
struct its_device *its_dev = info->scratchpad[0].ptr;
+ struct irq_data *irqd;
irq_hw_number_t hwirq;
int err;
int i;
@@ -2214,7 +2215,9 @@ static int its_irq_domain_alloc(struct irq_domain *domain, unsigned int virq,

irq_domain_set_hwirq_and_chip(domain, virq + i,
hwirq + i, &its_irq_chip, its_dev);
- irqd_set_single_target(irq_desc_get_irq_data(irq_to_desc(virq + i)));
+ irqd = irq_get_irq_data(virq + i);
+ irqd_set_single_target(irqd);
+ irqd_set_affinity_on_activate(irqd);
pr_debug("ID:%d pID:%d vID:%d\n",
(int)(hwirq + i - its_dev->event_map.lpi_base),
(int)(hwirq + i), virq + i);
diff --git a/drivers/irqchip/irq-mtk-sysirq.c b/drivers/irqchip/irq-mtk-sysirq.c
index 90aaf190157f..42455f31b061 100644
--- a/drivers/irqchip/irq-mtk-sysirq.c
+++ b/drivers/irqchip/irq-mtk-sysirq.c
@@ -23,7 +23,7 @@
#include <linux/spinlock.h>

struct mtk_sysirq_chip_data {
- spinlock_t lock;
+ raw_spinlock_t lock;
u32 nr_intpol_bases;
void __iomem **intpol_bases;
u32 *intpol_words;
@@ -45,7 +45,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type)
reg_index = chip_data->which_word[hwirq];
offset = hwirq & 0x1f;

- spin_lock_irqsave(&chip_data->lock, flags);
+ raw_spin_lock_irqsave(&chip_data->lock, flags);
value = readl_relaxed(base + reg_index * 4);
if (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_EDGE_FALLING) {
if (type == IRQ_TYPE_LEVEL_LOW)
@@ -61,7 +61,7 @@ static int mtk_sysirq_set_type(struct irq_data *data, unsigned int type)

data = data->parent_data;
ret = data->chip->irq_set_type(data, type);
- spin_unlock_irqrestore(&chip_data->lock, flags);
+ raw_spin_unlock_irqrestore(&chip_data->lock, flags);
return ret;
}

@@ -220,7 +220,7 @@ static int __init mtk_sysirq_of_init(struct device_node *node,
ret = -ENOMEM;
goto out_free_which_word;
}
- spin_lock_init(&chip_data->lock);
+ raw_spin_lock_init(&chip_data->lock);

return 0;

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index b0e2d55acbd6..6c7269fcfa77 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -173,6 +173,7 @@ void led_classdev_suspend(struct led_classdev *led_cdev)
{
led_cdev->flags |= LED_SUSPENDED;
led_set_brightness_nopm(led_cdev, 0);
+ flush_work(&led_cdev->set_brightness_work);
}
EXPORT_SYMBOL_GPL(led_classdev_suspend);

diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
index 77a104d2b124..13f414ff6fd0 100644
--- a/drivers/leds/leds-88pm860x.c
+++ b/drivers/leds/leds-88pm860x.c
@@ -207,21 +207,33 @@ static int pm860x_led_probe(struct platform_device *pdev)
data->cdev.brightness_set_blocking = pm860x_led_set;
mutex_init(&data->lock);

- ret = devm_led_classdev_register(chip->dev, &data->cdev);
+ ret = led_classdev_register(chip->dev, &data->cdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
return ret;
}
pm860x_led_set(&data->cdev, 0);
+
+ platform_set_drvdata(pdev, data);
+
return 0;
}

+static int pm860x_led_remove(struct platform_device *pdev)
+{
+ struct pm860x_led *data = platform_get_drvdata(pdev);
+
+ led_classdev_unregister(&data->cdev);
+
+ return 0;
+}

static struct platform_driver pm860x_led_driver = {
.driver = {
.name = "88pm860x-led",
},
.probe = pm860x_led_probe,
+ .remove = pm860x_led_remove,
};

module_platform_driver(pm860x_led_driver);
diff --git a/drivers/leds/leds-da903x.c b/drivers/leds/leds-da903x.c
index 5ff7d72f73aa..ecc265bb69a0 100644
--- a/drivers/leds/leds-da903x.c
+++ b/drivers/leds/leds-da903x.c
@@ -113,12 +113,23 @@ static int da903x_led_probe(struct platform_device *pdev)
led->flags = pdata->flags;
led->master = pdev->dev.parent;

- ret = devm_led_classdev_register(led->master, &led->cdev);
+ ret = led_classdev_register(led->master, &led->cdev);
if (ret) {
dev_err(&pdev->dev, "failed to register LED %d\n", id);
return ret;
}

+ platform_set_drvdata(pdev, led);
+
+ return 0;
+}
+
+static int da903x_led_remove(struct platform_device *pdev)
+{
+ struct da903x_led *led = platform_get_drvdata(pdev);
+
+ led_classdev_unregister(&led->cdev);
+
return 0;
}

@@ -127,6 +138,7 @@ static struct platform_driver da903x_led_driver = {
.name = "da903x-led",
},
.probe = da903x_led_probe,
+ .remove = da903x_led_remove,
};

module_platform_driver(da903x_led_driver);
diff --git a/drivers/leds/leds-lm3533.c b/drivers/leds/leds-lm3533.c
index 72224b599ffc..c1e562a4d6ad 100644
--- a/drivers/leds/leds-lm3533.c
+++ b/drivers/leds/leds-lm3533.c
@@ -698,7 +698,7 @@ static int lm3533_led_probe(struct platform_device *pdev)

platform_set_drvdata(pdev, led);

- ret = devm_led_classdev_register(pdev->dev.parent, &led->cdev);
+ ret = led_classdev_register(pdev->dev.parent, &led->cdev);
if (ret) {
dev_err(&pdev->dev, "failed to register LED %d\n", pdev->id);
return ret;
@@ -708,13 +708,18 @@ static int lm3533_led_probe(struct platform_device *pdev)

ret = lm3533_led_setup(led, pdata);
if (ret)
- return ret;
+ goto err_deregister;

ret = lm3533_ctrlbank_enable(&led->cb);
if (ret)
- return ret;
+ goto err_deregister;

return 0;
+
+err_deregister:
+ led_classdev_unregister(&led->cdev);
+
+ return ret;
}

static int lm3533_led_remove(struct platform_device *pdev)
@@ -724,6 +729,7 @@ static int lm3533_led_remove(struct platform_device *pdev)
dev_dbg(&pdev->dev, "%s\n", __func__);

lm3533_ctrlbank_disable(&led->cb);
+ led_classdev_unregister(&led->cdev);

return 0;
}
diff --git a/drivers/leds/leds-lm355x.c b/drivers/leds/leds-lm355x.c
index 6cb94f9a2f3f..b9c60dd2b132 100644
--- a/drivers/leds/leds-lm355x.c
+++ b/drivers/leds/leds-lm355x.c
@@ -168,18 +168,19 @@ static int lm355x_chip_init(struct lm355x_chip_data *chip)
/* input and output pins configuration */
switch (chip->type) {
case CHIP_LM3554:
- reg_val = pdata->pin_tx2 | pdata->ntc_pin;
+ reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin;
ret = regmap_update_bits(chip->regmap, 0xE0, 0x28, reg_val);
if (ret < 0)
goto out;
- reg_val = pdata->pass_mode;
+ reg_val = (u32)pdata->pass_mode;
ret = regmap_update_bits(chip->regmap, 0xA0, 0x04, reg_val);
if (ret < 0)
goto out;
break;

case CHIP_LM3556:
- reg_val = pdata->pin_tx2 | pdata->ntc_pin | pdata->pass_mode;
+ reg_val = (u32)pdata->pin_tx2 | (u32)pdata->ntc_pin |
+ (u32)pdata->pass_mode;
ret = regmap_update_bits(chip->regmap, 0x0A, 0xC4, reg_val);
if (ret < 0)
goto out;
diff --git a/drivers/leds/leds-wm831x-status.c b/drivers/leds/leds-wm831x-status.c
index be93b20e792a..4f0ba19c3577 100644
--- a/drivers/leds/leds-wm831x-status.c
+++ b/drivers/leds/leds-wm831x-status.c
@@ -283,12 +283,23 @@ static int wm831x_status_probe(struct platform_device *pdev)
drvdata->cdev.blink_set = wm831x_status_blink_set;
drvdata->cdev.groups = wm831x_status_groups;

- ret = devm_led_classdev_register(wm831x->dev, &drvdata->cdev);
+ ret = led_classdev_register(wm831x->dev, &drvdata->cdev);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
return ret;
}

+ platform_set_drvdata(pdev, drvdata);
+
+ return 0;
+}
+
+static int wm831x_status_remove(struct platform_device *pdev)
+{
+ struct wm831x_status *drvdata = platform_get_drvdata(pdev);
+
+ led_classdev_unregister(&drvdata->cdev);
+
return 0;
}

@@ -297,6 +308,7 @@ static struct platform_driver wm831x_status_driver = {
.name = "wm831x-status",
},
.probe = wm831x_status_probe,
+ .remove = wm831x_status_remove,
};

module_platform_driver(wm831x_status_driver);
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index 1edf9515345e..03fb06c61e1c 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -319,7 +319,7 @@ int bch_btree_keys_alloc(struct btree_keys *b, unsigned page_order, gfp_t gfp)

b->page_order = page_order;

- t->data = (void *) __get_free_pages(gfp, b->page_order);
+ t->data = (void *) __get_free_pages(__GFP_COMP|gfp, b->page_order);
if (!t->data)
goto err;

diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 66c764491a83..9fca837d0b41 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -794,7 +794,7 @@ int bch_btree_cache_alloc(struct cache_set *c)
mutex_init(&c->verify_lock);

c->verify_ondisk = (void *)
- __get_free_pages(GFP_KERNEL, ilog2(bucket_pages(c)));
+ __get_free_pages(GFP_KERNEL|__GFP_COMP, ilog2(bucket_pages(c)));

c->verify_data = mca_bucket_alloc(c, &ZERO_KEY, GFP_KERNEL);

diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index 6394be5ee9a8..6aafda26903c 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -838,8 +838,8 @@ int bch_journal_alloc(struct cache_set *c)
j->w[1].c = c;

if (!(init_fifo(&j->pin, JOURNAL_PIN, GFP_KERNEL)) ||
- !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS)) ||
- !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL, JSET_BITS)))
+ !(j->w[0].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, JSET_BITS)) ||
+ !(j->w[1].data = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP, JSET_BITS)))
return -ENOMEM;

return 0;
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 690aeb09bbf5..7fcc1ba12bc0 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1468,7 +1468,7 @@ void bch_cache_set_unregister(struct cache_set *c)
}

#define alloc_bucket_pages(gfp, c) \
- ((void *) __get_free_pages(__GFP_ZERO|gfp, ilog2(bucket_pages(c))))
+ ((void *) __get_free_pages(__GFP_ZERO|__GFP_COMP|gfp, ilog2(bucket_pages(c))))

struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
{
@@ -1780,7 +1780,14 @@ static const char *register_cache_set(struct cache *ca)
sysfs_create_link(&c->kobj, &ca->kobj, buf))
goto err;

- if (ca->sb.seq > c->sb.seq) {
+ /*
+ * A special case is both ca->sb.seq and c->sb.seq are 0,
+ * such condition happens on a new created cache device whose
+ * super block is never flushed yet. In this case c->sb.version
+ * and other members should be updated too, otherwise we will
+ * have a mistaken super block version in cache set.
+ */
+ if (ca->sb.seq > c->sb.seq || c->sb.seq == 0) {
c->sb.version = ca->sb.version;
memcpy(c->sb.set_uuid, ca->sb.set_uuid, 16);
c->sb.flags = ca->sb.flags;
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 69cdb29ef6be..280873b13e74 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -410,7 +410,6 @@ struct cache {
spinlock_t lock;
struct list_head deferred_cells;
struct bio_list deferred_bios;
- struct bio_list deferred_writethrough_bios;
sector_t migration_threshold;
wait_queue_head_t migration_wait;
atomic_t nr_allocated_migrations;
@@ -446,10 +445,10 @@ struct cache {
struct dm_kcopyd_client *copier;
struct workqueue_struct *wq;
struct work_struct deferred_bio_worker;
- struct work_struct deferred_writethrough_worker;
struct work_struct migration_worker;
struct delayed_work waker;
struct dm_bio_prison_v2 *prison;
+ struct bio_set *bs;

mempool_t *migration_pool;

@@ -490,15 +489,6 @@ struct per_bio_data {
struct dm_bio_prison_cell_v2 *cell;
struct dm_hook_info hook_info;
sector_t len;
-
- /*
- * writethrough fields. These MUST remain at the end of this
- * structure and the 'cache' member must be the first as it
- * is used to determine the offset of the writethrough fields.
- */
- struct cache *cache;
- dm_cblock_t cblock;
- struct dm_bio_details bio_details;
};

struct dm_cache_migration {
@@ -515,19 +505,19 @@ struct dm_cache_migration {

/*----------------------------------------------------------------*/

-static bool writethrough_mode(struct cache_features *f)
+static bool writethrough_mode(struct cache *cache)
{
- return f->io_mode == CM_IO_WRITETHROUGH;
+ return cache->features.io_mode == CM_IO_WRITETHROUGH;
}

-static bool writeback_mode(struct cache_features *f)
+static bool writeback_mode(struct cache *cache)
{
- return f->io_mode == CM_IO_WRITEBACK;
+ return cache->features.io_mode == CM_IO_WRITEBACK;
}

-static inline bool passthrough_mode(struct cache_features *f)
+static inline bool passthrough_mode(struct cache *cache)
{
- return unlikely(f->io_mode == CM_IO_PASSTHROUGH);
+ return unlikely(cache->features.io_mode == CM_IO_PASSTHROUGH);
}

/*----------------------------------------------------------------*/
@@ -537,14 +527,9 @@ static void wake_deferred_bio_worker(struct cache *cache)
queue_work(cache->wq, &cache->deferred_bio_worker);
}

-static void wake_deferred_writethrough_worker(struct cache *cache)
-{
- queue_work(cache->wq, &cache->deferred_writethrough_worker);
-}
-
static void wake_migration_worker(struct cache *cache)
{
- if (passthrough_mode(&cache->features))
+ if (passthrough_mode(cache))
return;

queue_work(cache->wq, &cache->migration_worker);
@@ -618,15 +603,9 @@ static unsigned lock_level(struct bio *bio)
* Per bio data
*--------------------------------------------------------------*/

-/*
- * If using writeback, leave out struct per_bio_data's writethrough fields.
- */
-#define PB_DATA_SIZE_WB (offsetof(struct per_bio_data, cache))
-#define PB_DATA_SIZE_WT (sizeof(struct per_bio_data))
-
static size_t get_per_bio_data_size(struct cache *cache)
{
- return writethrough_mode(&cache->features) ? PB_DATA_SIZE_WT : PB_DATA_SIZE_WB;
+ return sizeof(struct per_bio_data);
}

static struct per_bio_data *get_per_bio_data(struct bio *bio, size_t data_size)
@@ -868,16 +847,23 @@ static void check_if_tick_bio_needed(struct cache *cache, struct bio *bio)
spin_unlock_irqrestore(&cache->lock, flags);
}

-static void remap_to_origin_clear_discard(struct cache *cache, struct bio *bio,
- dm_oblock_t oblock)
+static void __remap_to_origin_clear_discard(struct cache *cache, struct bio *bio,
+ dm_oblock_t oblock, bool bio_has_pbd)
{
- // FIXME: this is called way too much.
- check_if_tick_bio_needed(cache, bio);
+ if (bio_has_pbd)
+ check_if_tick_bio_needed(cache, bio);
remap_to_origin(cache, bio);
if (bio_data_dir(bio) == WRITE)
clear_discard(cache, oblock_to_dblock(cache, oblock));
}

+static void remap_to_origin_clear_discard(struct cache *cache, struct bio *bio,
+ dm_oblock_t oblock)
+{
+ // FIXME: check_if_tick_bio_needed() is called way too much through this interface
+ __remap_to_origin_clear_discard(cache, bio, oblock, true);
+}
+
static void remap_to_cache_dirty(struct cache *cache, struct bio *bio,
dm_oblock_t oblock, dm_cblock_t cblock)
{
@@ -937,57 +923,26 @@ static void issue_op(struct bio *bio, void *context)
accounted_request(cache, bio);
}

-static void defer_writethrough_bio(struct cache *cache, struct bio *bio)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&cache->lock, flags);
- bio_list_add(&cache->deferred_writethrough_bios, bio);
- spin_unlock_irqrestore(&cache->lock, flags);
-
- wake_deferred_writethrough_worker(cache);
-}
-
-static void writethrough_endio(struct bio *bio)
-{
- struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
-
- dm_unhook_bio(&pb->hook_info, bio);
-
- if (bio->bi_status) {
- bio_endio(bio);
- return;
- }
-
- dm_bio_restore(&pb->bio_details, bio);
- remap_to_cache(pb->cache, bio, pb->cblock);
-
- /*
- * We can't issue this bio directly, since we're in interrupt
- * context. So it gets put on a bio list for processing by the
- * worker thread.
- */
- defer_writethrough_bio(pb->cache, bio);
-}
-
/*
- * FIXME: send in parallel, huge latency as is.
* When running in writethrough mode we need to send writes to clean blocks
- * to both the cache and origin devices. In future we'd like to clone the
- * bio and send them in parallel, but for now we're doing them in
- * series as this is easier.
+ * to both the cache and origin devices. Clone the bio and send them in parallel.
*/
-static void remap_to_origin_then_cache(struct cache *cache, struct bio *bio,
- dm_oblock_t oblock, dm_cblock_t cblock)
+static void remap_to_origin_and_cache(struct cache *cache, struct bio *bio,
+ dm_oblock_t oblock, dm_cblock_t cblock)
{
- struct per_bio_data *pb = get_per_bio_data(bio, PB_DATA_SIZE_WT);
+ struct bio *origin_bio = bio_clone_fast(bio, GFP_NOIO, cache->bs);

- pb->cache = cache;
- pb->cblock = cblock;
- dm_hook_bio(&pb->hook_info, bio, writethrough_endio, NULL);
- dm_bio_record(&pb->bio_details, bio);
+ BUG_ON(!origin_bio);

- remap_to_origin_clear_discard(pb->cache, bio, oblock);
+ bio_chain(origin_bio, bio);
+ /*
+ * Passing false to __remap_to_origin_clear_discard() skips
+ * all code that might use per_bio_data (since clone doesn't have it)
+ */
+ __remap_to_origin_clear_discard(cache, origin_bio, oblock, false);
+ submit_bio(origin_bio);
+
+ remap_to_cache(cache, bio, cblock);
}

/*----------------------------------------------------------------
@@ -1209,7 +1164,7 @@ static bool bio_writes_complete_block(struct cache *cache, struct bio *bio)

static bool optimisable_bio(struct cache *cache, struct bio *bio, dm_oblock_t block)
{
- return writeback_mode(&cache->features) &&
+ return writeback_mode(cache) &&
(is_discarded_oblock(cache, block) || bio_writes_complete_block(cache, bio));
}

@@ -1862,7 +1817,7 @@ static int map_bio(struct cache *cache, struct bio *bio, dm_oblock_t block,
* Passthrough always maps to the origin, invalidating any
* cache blocks that are written to.
*/
- if (passthrough_mode(&cache->features)) {
+ if (passthrough_mode(cache)) {
if (bio_data_dir(bio) == WRITE) {
bio_drop_shared_lock(cache, bio);
atomic_inc(&cache->stats.demotion);
@@ -1871,9 +1826,9 @@ static int map_bio(struct cache *cache, struct bio *bio, dm_oblock_t block,
remap_to_origin_clear_discard(cache, bio, block);

} else {
- if (bio_data_dir(bio) == WRITE && writethrough_mode(&cache->features) &&
+ if (bio_data_dir(bio) == WRITE && writethrough_mode(cache) &&
!is_dirty(cache, cblock)) {
- remap_to_origin_then_cache(cache, bio, block, cblock);
+ remap_to_origin_and_cache(cache, bio, block, cblock);
accounted_begin(cache, bio);
} else
remap_to_cache_dirty(cache, bio, block, cblock);
@@ -2003,28 +1958,6 @@ static void process_deferred_bios(struct work_struct *ws)
schedule_commit(&cache->committer);
}

-static void process_deferred_writethrough_bios(struct work_struct *ws)
-{
- struct cache *cache = container_of(ws, struct cache, deferred_writethrough_worker);
-
- unsigned long flags;
- struct bio_list bios;
- struct bio *bio;
-
- bio_list_init(&bios);
-
- spin_lock_irqsave(&cache->lock, flags);
- bio_list_merge(&bios, &cache->deferred_writethrough_bios);
- bio_list_init(&cache->deferred_writethrough_bios);
- spin_unlock_irqrestore(&cache->lock, flags);
-
- /*
- * These bios have already been through accounted_begin()
- */
- while ((bio = bio_list_pop(&bios)))
- generic_make_request(bio);
-}
-
/*----------------------------------------------------------------
* Main worker loop
*--------------------------------------------------------------*/
@@ -2132,6 +2065,9 @@ static void destroy(struct cache *cache)
kfree(cache->ctr_args[i]);
kfree(cache->ctr_args);

+ if (cache->bs)
+ bioset_free(cache->bs);
+
kfree(cache);
}

@@ -2589,6 +2525,13 @@ static int cache_create(struct cache_args *ca, struct cache **result)
cache->features = ca->features;
ti->per_io_data_size = get_per_bio_data_size(cache);

+ if (writethrough_mode(cache)) {
+ /* Create bioset for writethrough bios issued to origin */
+ cache->bs = bioset_create(BIO_POOL_SIZE, 0, 0);
+ if (!cache->bs)
+ goto bad;
+ }
+
cache->callbacks.congested_fn = cache_is_congested;
dm_table_add_target_callbacks(ti->table, &cache->callbacks);

@@ -2649,7 +2592,7 @@ static int cache_create(struct cache_args *ca, struct cache **result)
goto bad;
}

- if (passthrough_mode(&cache->features)) {
+ if (passthrough_mode(cache)) {
bool all_clean;

r = dm_cache_metadata_all_clean(cache->cmd, &all_clean);
@@ -2670,7 +2613,6 @@ static int cache_create(struct cache_args *ca, struct cache **result)
spin_lock_init(&cache->lock);
INIT_LIST_HEAD(&cache->deferred_cells);
bio_list_init(&cache->deferred_bios);
- bio_list_init(&cache->deferred_writethrough_bios);
atomic_set(&cache->nr_allocated_migrations, 0);
atomic_set(&cache->nr_io_migrations, 0);
init_waitqueue_head(&cache->migration_wait);
@@ -2709,8 +2651,6 @@ static int cache_create(struct cache_args *ca, struct cache **result)
goto bad;
}
INIT_WORK(&cache->deferred_bio_worker, process_deferred_bios);
- INIT_WORK(&cache->deferred_writethrough_worker,
- process_deferred_writethrough_bios);
INIT_WORK(&cache->migration_worker, check_migrations);
INIT_DELAYED_WORK(&cache->waker, do_waker);

@@ -3279,13 +3219,13 @@ static void cache_status(struct dm_target *ti, status_type_t type,
else
DMEMIT("1 ");

- if (writethrough_mode(&cache->features))
+ if (writethrough_mode(cache))
DMEMIT("writethrough ");

- else if (passthrough_mode(&cache->features))
+ else if (passthrough_mode(cache))
DMEMIT("passthrough ");

- else if (writeback_mode(&cache->features))
+ else if (writeback_mode(cache))
DMEMIT("writeback ");

else {
@@ -3451,7 +3391,7 @@ static int process_invalidate_cblocks_message(struct cache *cache, unsigned coun
unsigned i;
struct cblock_range range;

- if (!passthrough_mode(&cache->features)) {
+ if (!passthrough_mode(cache)) {
DMERR("%s: cache has to be in passthrough mode for invalidation",
cache_device_name(cache));
return -EPERM;
diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c
index eadfcfd106ff..cac8ec16e603 100644
--- a/drivers/md/dm-rq.c
+++ b/drivers/md/dm-rq.c
@@ -95,9 +95,6 @@ static void dm_old_stop_queue(struct request_queue *q)

static void dm_mq_stop_queue(struct request_queue *q)
{
- if (blk_mq_queue_stopped(q))
- return;
-
blk_mq_quiesce_queue(q);
}

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 10057ac85476..035d5ec8e677 100644
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -1423,6 +1423,7 @@ static void unlock_all_bitmaps(struct mddev *mddev)
}
}
kfree(cinfo->other_bitmap_lockres);
+ cinfo->other_bitmap_lockres = NULL;
}
}

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index d5c14d56a714..cd055664dce3 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -3593,6 +3593,7 @@ static int need_this_block(struct stripe_head *sh, struct stripe_head_state *s,
* is missing/faulty, then we need to read everything we can.
*/
if (sh->raid_conf->level != 6 &&
+ sh->raid_conf->rmw_level != PARITY_DISABLE_RMW &&
sh->sector < sh->raid_conf->mddev->recovery_cp)
/* reconstruct-write isn't being forced */
return 0;
@@ -4829,7 +4830,7 @@ static void handle_stripe(struct stripe_head *sh)
* or to load a block that is being partially written.
*/
if (s.to_read || s.non_overwrite
- || (conf->level == 6 && s.to_write && s.failed)
+ || (s.to_write && s.failed)
|| (s.syncing && (s.uptodate + s.compute < disks))
|| s.replacing
|| s.expanding)
diff --git a/drivers/media/firewire/firedtv-fw.c b/drivers/media/firewire/firedtv-fw.c
index 247f0e7cb5f7..5d634706a7ea 100644
--- a/drivers/media/firewire/firedtv-fw.c
+++ b/drivers/media/firewire/firedtv-fw.c
@@ -271,6 +271,8 @@ static int node_probe(struct fw_unit *unit, const struct ieee1394_device_id *id)

name_len = fw_csr_string(unit->directory, CSR_MODEL,
name, sizeof(name));
+ if (name_len < 0)
+ return name_len;
for (i = ARRAY_SIZE(model_names); --i; )
if (strlen(model_names[i]) <= name_len &&
strncmp(name, model_names[i], name_len) == 0)
diff --git a/drivers/media/platform/exynos4-is/media-dev.c b/drivers/media/platform/exynos4-is/media-dev.c
index b2eb830c0360..f772c9b92d9b 100644
--- a/drivers/media/platform/exynos4-is/media-dev.c
+++ b/drivers/media/platform/exynos4-is/media-dev.c
@@ -1258,6 +1258,9 @@ static int fimc_md_get_pinctrl(struct fimc_md *fmd)

pctl->state_idle = pinctrl_lookup_state(pctl->pinctrl,
PINCTRL_STATE_IDLE);
+ if (IS_ERR(pctl->state_idle))
+ return PTR_ERR(pctl->state_idle);
+
return 0;
}

diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c
index e981eb2330f1..ac005ae4d21b 100644
--- a/drivers/media/platform/omap3isp/isppreview.c
+++ b/drivers/media/platform/omap3isp/isppreview.c
@@ -2290,7 +2290,7 @@ static int preview_init_entities(struct isp_prev_device *prev)
me->ops = &preview_media_ops;
ret = media_entity_pads_init(me, PREV_PADS_NUM, pads);
if (ret < 0)
- return ret;
+ goto error_handler_free;

preview_init_formats(sd, NULL);

@@ -2323,6 +2323,8 @@ static int preview_init_entities(struct isp_prev_device *prev)
omap3isp_video_cleanup(&prev->video_in);
error_video_in:
media_entity_cleanup(&prev->subdev.entity);
+error_handler_free:
+ v4l2_ctrl_handler_free(&prev->ctrls);
return ret;
}

diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index ad8a5296c50b..9aa33141e7f1 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -1528,6 +1528,15 @@ int arizona_dev_init(struct arizona *arizona)
arizona_irq_exit(arizona);
err_pm:
pm_runtime_disable(arizona->dev);
+
+ switch (arizona->pdata.clk32k_src) {
+ case ARIZONA_32KZ_MCLK1:
+ case ARIZONA_32KZ_MCLK2:
+ arizona_clk32k_disable(arizona);
+ break;
+ default:
+ break;
+ }
err_reset:
arizona_enable_reset(arizona);
regulator_disable(arizona->dcvdd);
@@ -1550,6 +1559,15 @@ int arizona_dev_exit(struct arizona *arizona)
regulator_disable(arizona->dcvdd);
regulator_put(arizona->dcvdd);

+ switch (arizona->pdata.clk32k_src) {
+ case ARIZONA_32KZ_MCLK1:
+ case ARIZONA_32KZ_MCLK2:
+ arizona_clk32k_disable(arizona);
+ break;
+ default:
+ break;
+ }
+
mfd_remove_devices(arizona->dev);
arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 672831d5ee32..97a69cd6f127 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -294,7 +294,11 @@ static void dln2_rx(struct urb *urb)
len = urb->actual_length - sizeof(struct dln2_header);

if (handle == DLN2_HANDLE_EVENT) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&dln2->event_cb_lock, flags);
dln2_run_event_callbacks(dln2, id, echo, data, len);
+ spin_unlock_irqrestore(&dln2->event_cb_lock, flags);
} else {
/* URB will be re-submitted in _dln2_transfer (free_rx_slot) */
if (dln2_transfer_complete(dln2, urb, handle, echo))
diff --git a/drivers/misc/cxl/sysfs.c b/drivers/misc/cxl/sysfs.c
index 393a80bdb846..b0285c5d8d38 100644
--- a/drivers/misc/cxl/sysfs.c
+++ b/drivers/misc/cxl/sysfs.c
@@ -606,7 +606,7 @@ static struct afu_config_record *cxl_sysfs_afu_new_cr(struct cxl_afu *afu, int c
rc = kobject_init_and_add(&cr->kobj, &afu_config_record_type,
&afu->dev.kobj, "cr%i", cr->cr);
if (rc)
- goto err;
+ goto err1;

rc = sysfs_create_bin_file(&cr->kobj, &cr->config_attr);
if (rc)
diff --git a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
index fa4d12217652..18dd333f2d40 100644
--- a/drivers/mtd/mtdchar.c
+++ b/drivers/mtd/mtdchar.c
@@ -372,9 +372,6 @@ static int mtdchar_writeoob(struct file *file, struct mtd_info *mtd,
uint32_t retlen;
int ret = 0;

- if (!(file->f_mode & FMODE_WRITE))
- return -EPERM;
-
if (length > 4096)
return -EINVAL;

@@ -681,6 +678,48 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
return -EFAULT;
}

+ /*
+ * Check the file mode to require "dangerous" commands to have write
+ * permissions.
+ */
+ switch (cmd) {
+ /* "safe" commands */
+ case MEMGETREGIONCOUNT:
+ case MEMGETREGIONINFO:
+ case MEMGETINFO:
+ case MEMREADOOB:
+ case MEMREADOOB64:
+ case MEMLOCK:
+ case MEMUNLOCK:
+ case MEMISLOCKED:
+ case MEMGETOOBSEL:
+ case MEMGETBADBLOCK:
+ case MEMSETBADBLOCK:
+ case OTPSELECT:
+ case OTPGETREGIONCOUNT:
+ case OTPGETREGIONINFO:
+ case OTPLOCK:
+ case ECCGETLAYOUT:
+ case ECCGETSTATS:
+ case MTDFILEMODE:
+ case BLKPG:
+ case BLKRRPART:
+ break;
+
+ /* "dangerous" commands */
+ case MEMERASE:
+ case MEMERASE64:
+ case MEMWRITEOOB:
+ case MEMWRITEOOB64:
+ case MEMWRITE:
+ if (!(file->f_mode & FMODE_WRITE))
+ return -EPERM;
+ break;
+
+ default:
+ return -ENOTTY;
+ }
+
switch (cmd) {
case MEMGETREGIONCOUNT:
if (copy_to_user(argp, &(mtd->numeraseregions), sizeof(int)))
@@ -728,9 +767,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
{
struct erase_info *erase;

- if(!(file->f_mode & FMODE_WRITE))
- return -EPERM;
-
erase=kzalloc(sizeof(struct erase_info),GFP_KERNEL);
if (!erase)
ret = -ENOMEM;
@@ -1051,9 +1087,6 @@ static int mtdchar_ioctl(struct file *file, u_int cmd, u_long arg)
ret = 0;
break;
}
-
- default:
- ret = -ENOTTY;
}

return ret;
@@ -1097,6 +1130,11 @@ static long mtdchar_compat_ioctl(struct file *file, unsigned int cmd,
struct mtd_oob_buf32 buf;
struct mtd_oob_buf32 __user *buf_user = argp;

+ if (!(file->f_mode & FMODE_WRITE)) {
+ ret = -EPERM;
+ break;
+ }
+
if (copy_from_user(&buf, argp, sizeof(buf)))
ret = -EFAULT;
else
diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
index 65d1be2c3049..b57678970033 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -435,11 +435,13 @@ struct qcom_nand_host {
* among different NAND controllers.
* @ecc_modes - ecc mode for NAND
* @is_bam - whether NAND controller is using BAM
+ * @is_qpic - whether NAND CTRL is part of qpic IP
* @dev_cmd_reg_start - NAND_DEV_CMD_* registers starting offset
*/
struct qcom_nandc_props {
u32 ecc_modes;
bool is_bam;
+ bool is_qpic;
u32 dev_cmd_reg_start;
};

@@ -2508,7 +2510,8 @@ static int qcom_nandc_setup(struct qcom_nand_controller *nandc)
u32 nand_ctrl;

/* kill onenand */
- nandc_write(nandc, SFLASHC_BURST_CFG, 0);
+ if (!nandc->props->is_qpic)
+ nandc_write(nandc, SFLASHC_BURST_CFG, 0);
nandc_write(nandc, dev_cmd_reg_addr(nandc, NAND_DEV_CMD_VLD),
NAND_DEV_CMD_VLD_VAL);

@@ -2779,12 +2782,14 @@ static const struct qcom_nandc_props ipq806x_nandc_props = {
static const struct qcom_nandc_props ipq4019_nandc_props = {
.ecc_modes = (ECC_BCH_4BIT | ECC_BCH_8BIT),
.is_bam = true,
+ .is_qpic = true,
.dev_cmd_reg_start = 0x0,
};

static const struct qcom_nandc_props ipq8074_nandc_props = {
.ecc_modes = (ECC_BCH_4BIT | ECC_BCH_8BIT),
.is_bam = true,
+ .is_qpic = true,
.dev_cmd_reg_start = 0x7000,
};

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 10ea01459a36..f4268f032266 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2450,7 +2450,6 @@ static const struct mv88e6xxx_ops mv88e6097_ops = {
.port_set_frame_mode = mv88e6351_port_set_frame_mode,
.port_set_egress_floods = mv88e6352_port_set_egress_floods,
.port_set_ether_type = mv88e6351_port_set_ether_type,
- .port_set_jumbo_size = mv88e6165_port_set_jumbo_size,
.port_egress_rate_limiting = mv88e6095_port_egress_rate_limiting,
.port_pause_limit = mv88e6097_port_pause_limit,
.port_disable_learn_limit = mv88e6xxx_port_disable_learn_limit,
diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
index b83ee74d2839..77e5c6926814 100644
--- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
+++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c
@@ -746,7 +746,7 @@ static int hw_atl_a0_hw_multicast_list_set(struct aq_hw_s *self,
int err = 0;

if (count > (HW_ATL_A0_MAC_MAX - HW_ATL_A0_MAC_MIN)) {
- err = EBADRQC;
+ err = -EBADRQC;
goto err_exit;
}
for (self->aq_nic_cfg->mc_list_count = 0U;
diff --git a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
index 2e089b5ff8f3..30f0e54f658e 100644
--- a/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
+++ b/drivers/net/ethernet/cavium/liquidio/cn23xx_pf_device.c
@@ -1167,7 +1167,7 @@ static int cn23xx_get_pf_num(struct octeon_device *oct)
oct->pf_num = ((fdl_bit >> CN23XX_PCIE_SRIOV_FDL_BIT_POS) &
CN23XX_PCIE_SRIOV_FDL_MASK);
} else {
- ret = EINVAL;
+ ret = -EINVAL;

/* Under some virtual environments, extended PCI regs are
* inaccessible, in which case the above read will have failed.
diff --git a/drivers/net/ethernet/freescale/fman/fman.c b/drivers/net/ethernet/freescale/fman/fman.c
index 9080d2332d03..cdd48b1cc84a 100644
--- a/drivers/net/ethernet/freescale/fman/fman.c
+++ b/drivers/net/ethernet/freescale/fman/fman.c
@@ -1396,8 +1396,7 @@ static void enable_time_stamp(struct fman *fman)
{
struct fman_fpm_regs __iomem *fpm_rg = fman->fpm_regs;
u16 fm_clk_freq = fman->state->fm_clk_freq;
- u32 tmp, intgr, ts_freq;
- u64 frac;
+ u32 tmp, intgr, ts_freq, frac;

ts_freq = (u32)(1 << fman->state->count1_micro_bit);
/* configure timestamp so that bit 8 will count 1 microsecond
diff --git a/drivers/net/ethernet/freescale/fman/fman_dtsec.c b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
index 7af31ddd093f..61238b3af204 100644
--- a/drivers/net/ethernet/freescale/fman/fman_dtsec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_dtsec.c
@@ -1159,7 +1159,7 @@ int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr)
list_for_each(pos,
&dtsec->multicast_addr_hash->lsts[bucket]) {
hash_entry = ETH_HASH_ENTRY_OBJ(pos);
- if (hash_entry->addr == addr) {
+ if (hash_entry && hash_entry->addr == addr) {
list_del_init(&hash_entry->node);
kfree(hash_entry);
break;
@@ -1172,7 +1172,7 @@ int dtsec_del_hash_mac_address(struct fman_mac *dtsec, enet_addr_t *eth_addr)
list_for_each(pos,
&dtsec->unicast_addr_hash->lsts[bucket]) {
hash_entry = ETH_HASH_ENTRY_OBJ(pos);
- if (hash_entry->addr == addr) {
+ if (hash_entry && hash_entry->addr == addr) {
list_del_init(&hash_entry->node);
kfree(hash_entry);
break;
diff --git a/drivers/net/ethernet/freescale/fman/fman_mac.h b/drivers/net/ethernet/freescale/fman/fman_mac.h
index dd6d0526f6c1..19f327efdaff 100644
--- a/drivers/net/ethernet/freescale/fman/fman_mac.h
+++ b/drivers/net/ethernet/freescale/fman/fman_mac.h
@@ -252,7 +252,7 @@ static inline struct eth_hash_t *alloc_hash_table(u16 size)
struct eth_hash_t *hash;

/* Allocate address hash table */
- hash = kmalloc_array(size, sizeof(struct eth_hash_t *), GFP_KERNEL);
+ hash = kmalloc(sizeof(*hash), GFP_KERNEL);
if (!hash)
return NULL;

diff --git a/drivers/net/ethernet/freescale/fman/fman_memac.c b/drivers/net/ethernet/freescale/fman/fman_memac.c
index b33650a897f1..460f9e58e987 100644
--- a/drivers/net/ethernet/freescale/fman/fman_memac.c
+++ b/drivers/net/ethernet/freescale/fman/fman_memac.c
@@ -855,7 +855,6 @@ int memac_set_tx_pause_frames(struct fman_mac *memac, u8 priority,

tmp = ioread32be(&regs->command_config);
tmp &= ~CMD_CFG_PFC_MODE;
- priority = 0;

iowrite32be(tmp, &regs->command_config);

@@ -957,7 +956,7 @@ int memac_del_hash_mac_address(struct fman_mac *memac, enet_addr_t *eth_addr)

list_for_each(pos, &memac->multicast_addr_hash->lsts[hash]) {
hash_entry = ETH_HASH_ENTRY_OBJ(pos);
- if (hash_entry->addr == addr) {
+ if (hash_entry && hash_entry->addr == addr) {
list_del_init(&hash_entry->node);
kfree(hash_entry);
break;
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c
index 495190764155..ac3d791f5282 100644
--- a/drivers/net/ethernet/freescale/fman/fman_port.c
+++ b/drivers/net/ethernet/freescale/fman/fman_port.c
@@ -1744,6 +1744,7 @@ static int fman_port_probe(struct platform_device *of_dev)
struct fman_port *port;
struct fman *fman;
struct device_node *fm_node, *port_node;
+ struct platform_device *fm_pdev;
struct resource res;
struct resource *dev_res;
u32 val;
@@ -1768,8 +1769,14 @@ static int fman_port_probe(struct platform_device *of_dev)
goto return_err;
}

- fman = dev_get_drvdata(&of_find_device_by_node(fm_node)->dev);
+ fm_pdev = of_find_device_by_node(fm_node);
of_node_put(fm_node);
+ if (!fm_pdev) {
+ err = -EINVAL;
+ goto return_err;
+ }
+
+ fman = dev_get_drvdata(&fm_pdev->dev);
if (!fman) {
err = -EINVAL;
goto return_err;
diff --git a/drivers/net/ethernet/freescale/fman/fman_tgec.c b/drivers/net/ethernet/freescale/fman/fman_tgec.c
index e575259d20f4..c8ad9b8a75f8 100644
--- a/drivers/net/ethernet/freescale/fman/fman_tgec.c
+++ b/drivers/net/ethernet/freescale/fman/fman_tgec.c
@@ -585,7 +585,7 @@ int tgec_del_hash_mac_address(struct fman_mac *tgec, enet_addr_t *eth_addr)

list_for_each(pos, &tgec->multicast_addr_hash->lsts[hash]) {
hash_entry = ETH_HASH_ENTRY_OBJ(pos);
- if (hash_entry->addr == addr) {
+ if (hash_entry && hash_entry->addr == addr) {
list_del_init(&hash_entry->node);
kfree(hash_entry);
break;
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 9c7e75b3b6c7..50fa0401c701 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5487,9 +5487,18 @@ static void igb_reset_task(struct work_struct *work)
struct igb_adapter *adapter;
adapter = container_of(work, struct igb_adapter, reset_task);

+ rtnl_lock();
+ /* If we're already down or resetting, just bail */
+ if (test_bit(__IGB_DOWN, &adapter->state) ||
+ test_bit(__IGB_RESETTING, &adapter->state)) {
+ rtnl_unlock();
+ return;
+ }
+
igb_dump(adapter);
netdev_err(adapter->netdev, "Reset adapter\n");
igb_reinit_locked(adapter);
+ rtnl_unlock();
}

/**
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
index 9ba699cbdbc5..a52909db67f6 100644
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -2452,6 +2452,8 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
eth->netdev[id]->irq = eth->irq[0];
eth->netdev[id]->dev.of_node = np;

+ eth->netdev[id]->max_mtu = MTK_MAX_RX_LENGTH - MTK_RX_ETH_HLEN;
+
return 0;

free_netdev:
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index e69674d38f16..a3107d133b40 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -180,7 +180,7 @@ int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr)
struct mlx5_eswitch_rep *rep = rpriv->rep;
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;

- if (esw->mode == SRIOV_NONE)
+ if (esw->mode != SRIOV_OFFLOADS)
return -EOPNOTSUPP;

switch (attr->id) {
diff --git a/drivers/net/ethernet/qualcomm/emac/emac.c b/drivers/net/ethernet/qualcomm/emac/emac.c
index 759543512117..5ab83751a471 100644
--- a/drivers/net/ethernet/qualcomm/emac/emac.c
+++ b/drivers/net/ethernet/qualcomm/emac/emac.c
@@ -493,13 +493,24 @@ static int emac_clks_phase1_init(struct platform_device *pdev,

ret = clk_prepare_enable(adpt->clk[EMAC_CLK_CFG_AHB]);
if (ret)
- return ret;
+ goto disable_clk_axi;

ret = clk_set_rate(adpt->clk[EMAC_CLK_HIGH_SPEED], 19200000);
if (ret)
- return ret;
+ goto disable_clk_cfg_ahb;
+
+ ret = clk_prepare_enable(adpt->clk[EMAC_CLK_HIGH_SPEED]);
+ if (ret)
+ goto disable_clk_cfg_ahb;

- return clk_prepare_enable(adpt->clk[EMAC_CLK_HIGH_SPEED]);
+ return 0;
+
+disable_clk_cfg_ahb:
+ clk_disable_unprepare(adpt->clk[EMAC_CLK_CFG_AHB]);
+disable_clk_axi:
+ clk_disable_unprepare(adpt->clk[EMAC_CLK_AXI]);
+
+ return ret;
}

/* Enable clocks; needs emac_clks_phase1_init to be called before */
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
index bcc5d1e16ce2..1924788d28da 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-ipq806x.c
@@ -362,6 +362,7 @@ static int ipq806x_gmac_probe(struct platform_device *pdev)
plat_dat->has_gmac = true;
plat_dat->bsp_priv = gmac;
plat_dat->fix_mac_speed = ipq806x_gmac_fix_mac_speed;
+ plat_dat->multicast_filter_bins = 0;

err = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
if (err)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
index f76d4a7281af..f07d9d3456a4 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
@@ -176,6 +176,9 @@ static void dwmac1000_set_filter(struct mac_device_info *hw,
value = GMAC_FRAME_FILTER_PR;
} else if (dev->flags & IFF_ALLMULTI) {
value = GMAC_FRAME_FILTER_PM; /* pass all multi */
+ } else if (!netdev_mc_empty(dev) && (mcbitslog2 == 0)) {
+ /* Fall back to all multicast if we've no filter */
+ value = GMAC_FRAME_FILTER_PM;
} else if (!netdev_mc_empty(dev)) {
struct netdev_hw_addr *ha;

diff --git a/drivers/net/ethernet/toshiba/spider_net.c b/drivers/net/ethernet/toshiba/spider_net.c
index da136b8843dd..a0fed9035f53 100644
--- a/drivers/net/ethernet/toshiba/spider_net.c
+++ b/drivers/net/ethernet/toshiba/spider_net.c
@@ -296,8 +296,8 @@ spider_net_free_chain(struct spider_net_card *card,
descr = descr->next;
} while (descr != chain->ring);

- dma_free_coherent(&card->pdev->dev, chain->num_desc,
- chain->hwring, chain->dma_addr);
+ dma_free_coherent(&card->pdev->dev, chain->num_desc * sizeof(struct spider_net_hw_descr),
+ chain->hwring, chain->dma_addr);
}

/**
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 14451e14d99d..10c3480c2da8 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -532,12 +532,13 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
u32 hash;
struct hv_page_buffer pb[MAX_PAGE_BUFFER_COUNT];

- /* if VF is present and up then redirect packets
- * already called with rcu_read_lock_bh
+ /* If VF is present and up then redirect packets to it.
+ * Skip the VF if it is marked down or has no carrier.
+ * If netpoll is in uses, then VF can not be used either.
*/
vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev);
if (vf_netdev && netif_running(vf_netdev) &&
- !netpoll_tx_running(net))
+ netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net))
return netvsc_vf_xmit(net, vf_netdev, skb);

/* We will atmost need two pages to describe the rndis
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 7988c41bff1d..0e3d13e192e3 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2272,12 +2272,14 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,

minor = get_free_serial_index();
if (minor < 0)
- goto exit;
+ goto exit2;

/* register our minor number */
serial->parent->dev = tty_port_register_device_attr(&serial->port,
tty_drv, minor, &serial->parent->interface->dev,
serial->parent, hso_serial_dev_groups);
+ if (IS_ERR(serial->parent->dev))
+ goto exit2;
dev = serial->parent->dev;

/* fill in specific data for later use */
@@ -2323,6 +2325,7 @@ static int hso_serial_common_create(struct hso_serial *serial, int num_urbs,
return 0;
exit:
hso_serial_tty_unregister(serial);
+exit2:
hso_serial_common_free(serial);
return -1;
}
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 895f307979c8..120e99914fd6 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -363,10 +363,6 @@ struct lan78xx_net {
struct tasklet_struct bh;
struct delayed_work wq;

- struct usb_host_endpoint *ep_blkin;
- struct usb_host_endpoint *ep_blkout;
- struct usb_host_endpoint *ep_intr;
-
int msg_enable;

struct urb *urb_intr;
@@ -2751,78 +2747,12 @@ lan78xx_start_xmit(struct sk_buff *skb, struct net_device *net)
return NETDEV_TX_OK;
}

-static int
-lan78xx_get_endpoints(struct lan78xx_net *dev, struct usb_interface *intf)
-{
- int tmp;
- struct usb_host_interface *alt = NULL;
- struct usb_host_endpoint *in = NULL, *out = NULL;
- struct usb_host_endpoint *status = NULL;
-
- for (tmp = 0; tmp < intf->num_altsetting; tmp++) {
- unsigned ep;
-
- in = NULL;
- out = NULL;
- status = NULL;
- alt = intf->altsetting + tmp;
-
- for (ep = 0; ep < alt->desc.bNumEndpoints; ep++) {
- struct usb_host_endpoint *e;
- int intr = 0;
-
- e = alt->endpoint + ep;
- switch (e->desc.bmAttributes) {
- case USB_ENDPOINT_XFER_INT:
- if (!usb_endpoint_dir_in(&e->desc))
- continue;
- intr = 1;
- /* FALLTHROUGH */
- case USB_ENDPOINT_XFER_BULK:
- break;
- default:
- continue;
- }
- if (usb_endpoint_dir_in(&e->desc)) {
- if (!intr && !in)
- in = e;
- else if (intr && !status)
- status = e;
- } else {
- if (!out)
- out = e;
- }
- }
- if (in && out)
- break;
- }
- if (!alt || !in || !out)
- return -EINVAL;
-
- dev->pipe_in = usb_rcvbulkpipe(dev->udev,
- in->desc.bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK);
- dev->pipe_out = usb_sndbulkpipe(dev->udev,
- out->desc.bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK);
- dev->ep_intr = status;
-
- return 0;
-}
-
static int lan78xx_bind(struct lan78xx_net *dev, struct usb_interface *intf)
{
struct lan78xx_priv *pdata = NULL;
int ret;
int i;

- ret = lan78xx_get_endpoints(dev, intf);
- if (ret) {
- netdev_warn(dev->net, "lan78xx_get_endpoints failed: %d\n",
- ret);
- return ret;
- }
-
dev->data[0] = (unsigned long)kzalloc(sizeof(*pdata), GFP_KERNEL);

pdata = (struct lan78xx_priv *)(dev->data[0]);
@@ -3567,6 +3497,7 @@ static void lan78xx_stat_monitor(unsigned long param)
static int lan78xx_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
+ struct usb_host_endpoint *ep_blkin, *ep_blkout, *ep_intr;
struct lan78xx_net *dev;
struct net_device *netdev;
struct usb_device *udev;
@@ -3617,6 +3548,34 @@ static int lan78xx_probe(struct usb_interface *intf,

mutex_init(&dev->stats.access_lock);

+ if (intf->cur_altsetting->desc.bNumEndpoints < 3) {
+ ret = -ENODEV;
+ goto out2;
+ }
+
+ dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE);
+ ep_blkin = usb_pipe_endpoint(udev, dev->pipe_in);
+ if (!ep_blkin || !usb_endpoint_is_bulk_in(&ep_blkin->desc)) {
+ ret = -ENODEV;
+ goto out2;
+ }
+
+ dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE);
+ ep_blkout = usb_pipe_endpoint(udev, dev->pipe_out);
+ if (!ep_blkout || !usb_endpoint_is_bulk_out(&ep_blkout->desc)) {
+ ret = -ENODEV;
+ goto out2;
+ }
+
+ ep_intr = &intf->cur_altsetting->endpoint[2];
+ if (!usb_endpoint_is_int_in(&ep_intr->desc)) {
+ ret = -ENODEV;
+ goto out2;
+ }
+
+ dev->pipe_intr = usb_rcvintpipe(dev->udev,
+ usb_endpoint_num(&ep_intr->desc));
+
ret = lan78xx_bind(dev, intf);
if (ret < 0)
goto out2;
@@ -3629,23 +3588,7 @@ static int lan78xx_probe(struct usb_interface *intf,
netdev->max_mtu = MAX_SINGLE_PACKET_SIZE;
netif_set_gso_max_size(netdev, MAX_SINGLE_PACKET_SIZE - MAX_HEADER);

- if (intf->cur_altsetting->desc.bNumEndpoints < 3) {
- ret = -ENODEV;
- goto out3;
- }
-
- dev->ep_blkin = (intf->cur_altsetting)->endpoint + 0;
- dev->ep_blkout = (intf->cur_altsetting)->endpoint + 1;
- dev->ep_intr = (intf->cur_altsetting)->endpoint + 2;
-
- dev->pipe_in = usb_rcvbulkpipe(udev, BULK_IN_PIPE);
- dev->pipe_out = usb_sndbulkpipe(udev, BULK_OUT_PIPE);
-
- dev->pipe_intr = usb_rcvintpipe(dev->udev,
- dev->ep_intr->desc.bEndpointAddress &
- USB_ENDPOINT_NUMBER_MASK);
- period = dev->ep_intr->desc.bInterval;
-
+ period = ep_intr->desc.bInterval;
maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
buf = kmalloc(maxp, GFP_KERNEL);
if (buf) {
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index afdc2c290fd0..82efa5bbf568 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -974,6 +974,7 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
for (h = 0; h < FDB_HASH_SIZE; ++h) {
struct vxlan_fdb *f;

+ rcu_read_lock();
hlist_for_each_entry_rcu(f, &vxlan->fdb_head[h], hlist) {
struct vxlan_rdst *rd;

@@ -986,12 +987,15 @@ static int vxlan_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
cb->nlh->nlmsg_seq,
RTM_NEWNEIGH,
NLM_F_MULTI, rd);
- if (err < 0)
+ if (err < 0) {
+ rcu_read_unlock();
goto out;
+ }
skip:
*idx += 1;
}
}
+ rcu_read_unlock();
}
out:
return err;
@@ -2218,7 +2222,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
skb_dst_update_pmtu(skb, mtu);
}

- tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb);
+ tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
ttl = ttl ? : ip4_dst_hoplimit(&rt->dst);
err = vxlan_build_skb(skb, ndst, sizeof(struct iphdr),
vni, md, flags, udp_sum);
@@ -2259,7 +2263,7 @@ static void vxlan_xmit_one(struct sk_buff *skb, struct net_device *dev,
skb_dst_update_pmtu(skb, mtu);
}

- tos = ip_tunnel_ecn_encap(RT_TOS(tos), old_iph, skb);
+ tos = ip_tunnel_ecn_encap(tos, old_iph, skb);
ttl = ttl ? : ip6_dst_hoplimit(ndst);
skb_scrub_packet(skb, xnet);
err = vxlan_build_skb(skb, ndst, sizeof(struct ipv6hdr),
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index ac34257e9f20..c94dfa70f2a3 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -160,6 +160,12 @@ static netdev_tx_t lapbeth_xmit(struct sk_buff *skb,
if (!netif_running(dev))
goto drop;

+ /* There should be a pseudo header of 1 byte added by upper layers.
+ * Check to make sure it is there before reading it.
+ */
+ if (skb->len < 1)
+ goto drop;
+
switch (skb->data[0]) {
case X25_IFACE_DATA:
break;
@@ -308,6 +314,7 @@ static void lapbeth_setup(struct net_device *dev)
dev->netdev_ops = &lapbeth_netdev_ops;
dev->needs_free_netdev = true;
dev->type = ARPHRD_X25;
+ dev->hard_header_len = 0;
dev->mtu = 1000;
dev->addr_len = 0;
}
@@ -334,7 +341,8 @@ static int lapbeth_new_device(struct net_device *dev)
* then this driver prepends a length field of 2 bytes,
* then the underlying Ethernet device prepends its own header.
*/
- ndev->hard_header_len = -1 + 3 + 2 + dev->hard_header_len;
+ ndev->needed_headroom = -1 + 3 + 2 + dev->hard_header_len
+ + dev->needed_headroom;

lapbeth = netdev_priv(ndev);
lapbeth->axdev = ndev;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
index e0d22fedb2b4..05bd636011ec 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil_types.h
@@ -30,7 +30,7 @@
#define BRCMF_ARP_OL_PEER_AUTO_REPLY 0x00000008

#define BRCMF_BSS_INFO_VERSION 109 /* curr ver of brcmf_bss_info_le struct */
-#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0002
+#define BRCMF_BSS_RSSI_ON_CHANNEL 0x0004

#define BRCMF_STA_WME 0x00000002 /* WMM association */
#define BRCMF_STA_AUTHE 0x00000008 /* Authenticated */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
index 2370060ef980..080733128489 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c
@@ -653,6 +653,7 @@ static inline int brcmf_fws_hanger_poppkt(struct brcmf_fws_hanger *h,
static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
int ifidx)
{
+ struct brcmf_fws_hanger_item *hi;
bool (*matchfn)(struct sk_buff *, void *) = NULL;
struct sk_buff *skb;
int prec;
@@ -664,6 +665,9 @@ static void brcmf_fws_psq_flush(struct brcmf_fws_info *fws, struct pktq *q,
skb = brcmu_pktq_pdeq_match(q, prec, matchfn, &ifidx);
while (skb) {
hslot = brcmf_skb_htod_tag_get_field(skb, HSLOT);
+ hi = &fws->hanger.items[hslot];
+ WARN_ON(skb != hi->pkt);
+ hi->state = BRCMF_FWS_HANGER_ITEM_STATE_FREE;
brcmf_fws_hanger_poppkt(&fws->hanger, hslot, &skb,
true);
brcmu_pkt_buf_free_skb(skb);
diff --git a/drivers/net/wireless/intel/iwlegacy/common.c b/drivers/net/wireless/intel/iwlegacy/common.c
index 6e6b124f0d5e..3ca84577803c 100644
--- a/drivers/net/wireless/intel/iwlegacy/common.c
+++ b/drivers/net/wireless/intel/iwlegacy/common.c
@@ -4302,8 +4302,8 @@ il_apm_init(struct il_priv *il)
* power savings, even without L1.
*/
if (il->cfg->set_l0s) {
- pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl);
- if (lctl & PCI_EXP_LNKCTL_ASPM_L1) {
+ ret = pcie_capability_read_word(il->pci_dev, PCI_EXP_LNKCTL, &lctl);
+ if (!ret && (lctl & PCI_EXP_LNKCTL_ASPM_L1)) {
/* L1-ASPM enabled; disable(!) L0S */
il_set_bit(il, CSR_GIO_REG,
CSR_GIO_REG_VAL_L0S_ENABLED);
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
index 0fba5b10ef2d..19ce279df24d 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
@@ -585,6 +585,11 @@ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,
{
struct host_cmd_ds_802_11_key_material *key =
&resp->params.key_material;
+ int len;
+
+ len = le16_to_cpu(key->key_param_set.key_len);
+ if (len > sizeof(key->key_param_set.key))
+ return -EINVAL;

if (le16_to_cpu(key->action) == HostCmd_ACT_GEN_SET) {
if ((le16_to_cpu(key->key_param_set.key_info) & KEY_MCAST)) {
@@ -598,9 +603,8 @@ static int mwifiex_ret_802_11_key_material_v1(struct mwifiex_private *priv,

memset(priv->aes_key.key_param_set.key, 0,
sizeof(key->key_param_set.key));
- priv->aes_key.key_param_set.key_len = key->key_param_set.key_len;
- memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key,
- le16_to_cpu(priv->aes_key.key_param_set.key_len));
+ priv->aes_key.key_param_set.key_len = cpu_to_le16(len);
+ memcpy(priv->aes_key.key_param_set.key, key->key_param_set.key, len);

return 0;
}
@@ -615,9 +619,14 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
struct host_cmd_ds_command *resp)
{
struct host_cmd_ds_802_11_key_material_v2 *key_v2;
- __le16 len;
+ int len;

key_v2 = &resp->params.key_material_v2;
+
+ len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
+ if (len > WLAN_KEY_LEN_CCMP)
+ return -EINVAL;
+
if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
if ((le16_to_cpu(key_v2->key_param_set.key_info) & KEY_MCAST)) {
mwifiex_dbg(priv->adapter, INFO, "info: key: GTK is set\n");
@@ -633,10 +642,9 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
WLAN_KEY_LEN_CCMP);
priv->aes_key_v2.key_param_set.key_params.aes.key_len =
- key_v2->key_param_set.key_params.aes.key_len;
- len = priv->aes_key_v2.key_param_set.key_params.aes.key_len;
+ cpu_to_le16(len);
memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
- key_v2->key_param_set.key_params.aes.key, le16_to_cpu(len));
+ key_v2->key_param_set.key_params.aes.key, len);

return 0;
}
diff --git a/drivers/net/wireless/ti/wl1251/event.c b/drivers/net/wireless/ti/wl1251/event.c
index f5acd24d0e2b..988abb49771f 100644
--- a/drivers/net/wireless/ti/wl1251/event.c
+++ b/drivers/net/wireless/ti/wl1251/event.c
@@ -84,7 +84,7 @@ static int wl1251_event_ps_report(struct wl1251 *wl,
break;
}

- return 0;
+ return ret;
}

static void wl1251_event_mbox_dump(struct event_mailbox *mbox)
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 5468490d2298..55b3274328eb 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1291,7 +1291,7 @@ sba_ioc_init_pluto(struct parisc_device *sba, struct ioc *ioc, int ioc_num)
** (one that doesn't overlap memory or LMMIO space) in the
** IBASE and IMASK registers.
*/
- ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE);
+ ioc->ibase = READ_REG(ioc->ioc_hpa + IOC_IBASE) & ~0x1fffffULL;
iova_space_size = ~(READ_REG(ioc->ioc_hpa + IOC_IMASK) & 0xFFFFFFFFUL) + 1;

if ((ioc->ibase < 0xfed00000UL) && ((ioc->ibase + iova_space_size) > 0xfee00000UL)) {
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index 913d6722ece9..8c585e7ca520 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -205,17 +205,13 @@ EXPORT_SYMBOL(pci_bus_set_ops);
static DECLARE_WAIT_QUEUE_HEAD(pci_cfg_wait);

static noinline void pci_wait_cfg(struct pci_dev *dev)
+ __must_hold(&pci_lock)
{
- DECLARE_WAITQUEUE(wait, current);
-
- __add_wait_queue(&pci_cfg_wait, &wait);
do {
- set_current_state(TASK_UNINTERRUPTIBLE);
raw_spin_unlock_irq(&pci_lock);
- schedule();
+ wait_event(pci_cfg_wait, !dev->block_cfg_access);
raw_spin_lock_irq(&pci_lock);
} while (dev->block_cfg_access);
- __remove_wait_queue(&pci_cfg_wait, &wait);
}

/* Returns 0 on success, negative values indicate error. */
diff --git a/drivers/pci/host/vmd.c b/drivers/pci/host/vmd.c
index 05f191ae0ff1..79d56638878c 100644
--- a/drivers/pci/host/vmd.c
+++ b/drivers/pci/host/vmd.c
@@ -651,6 +651,7 @@ static int vmd_enable_domain(struct vmd_dev *vmd)
if (!vmd->bus) {
pci_free_resource_list(&resources);
irq_domain_remove(vmd->irq_domain);
+ irq_domain_free_fwnode(fn);
return -ENODEV;
}

@@ -753,6 +754,7 @@ static void vmd_cleanup_srcu(struct vmd_dev *vmd)
static void vmd_remove(struct pci_dev *dev)
{
struct vmd_dev *vmd = pci_get_drvdata(dev);
+ struct fwnode_handle *fn = vmd->irq_domain->fwnode;

sysfs_remove_link(&vmd->dev->dev.kobj, "domain");
pci_stop_root_bus(vmd->bus);
@@ -761,6 +763,7 @@ static void vmd_remove(struct pci_dev *dev)
vmd_teardown_dma_ops(vmd);
vmd_detach_resources(vmd);
irq_domain_remove(vmd->irq_domain);
+ irq_domain_free_fwnode(fn);
}

#ifdef CONFIG_PM_SLEEP
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 711875afdd70..f2c1008e0f76 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -136,13 +136,21 @@ static struct acpiphp_context *acpiphp_grab_context(struct acpi_device *adev)
struct acpiphp_context *context;

acpi_lock_hp_context();
+
context = acpiphp_get_context(adev);
- if (!context || context->func.parent->is_going_away) {
- acpi_unlock_hp_context();
- return NULL;
+ if (!context)
+ goto unlock;
+
+ if (context->func.parent->is_going_away) {
+ acpiphp_put_context(context);
+ context = NULL;
+ goto unlock;
}
+
get_bridge(context->func.parent);
acpiphp_put_context(context);
+
+unlock:
acpi_unlock_hp_context();
return context;
}
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 04d5c62588b7..f41c105adfbd 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -1111,6 +1111,7 @@ static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp)
cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]);
else
cnt += sprintf(buffer + cnt, "%s ", policy_str[i]);
+ cnt += sprintf(buffer + cnt, "\n");
return cnt;
}

diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 243b16ce0c8e..da790f26d295 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4307,6 +4307,8 @@ static int pci_quirk_amd_sb_acs(struct pci_dev *dev, u16 acs_flags)
if (ACPI_FAILURE(status))
return -ENODEV;

+ acpi_put_table(header);
+
/* Filter out flags not applicable to multifunction */
acs_flags &= (PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_EC | PCI_ACS_DT);

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index b8b3d932cd73..f751b5c3bf7e 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -888,7 +888,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np,

/* If pinconf isn't supported, don't parse properties in below. */
if (!PCS_HAS_PINCONF)
- return 0;
+ return -ENOTSUPP;

/* cacluate how much properties are supported in current node */
for (i = 0; i < ARRAY_SIZE(prop2); i++) {
@@ -900,7 +900,7 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, struct device_node *np,
nconfs++;
}
if (!nconfs)
- return 0;
+ return -ENOTSUPP;

func->conf = devm_kzalloc(pcs->dev,
sizeof(struct pcs_conf_vals) * nconfs,
@@ -1024,9 +1024,12 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs,

if (PCS_HAS_PINCONF) {
res = pcs_parse_pinconf(pcs, np, function, map);
- if (res)
+ if (res == 0)
+ *num_maps = 2;
+ else if (res == -ENOTSUPP)
+ *num_maps = 1;
+ else
goto free_pingroups;
- *num_maps = 2;
} else {
*num_maps = 1;
}
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index e34fd70b67af..3add7b3f9658 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -366,7 +366,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;

if (acpi_match_device_ids(dev, ids) == 0)
- if (acpi_create_platform_device(dev, NULL))
+ if (!IS_ERR_OR_NULL(acpi_create_platform_device(dev, NULL)))
dev_info(&dev->dev,
"intel-hid: created platform device\n");

diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index 58c5ff36523a..d7fa2b88d27a 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -178,7 +178,7 @@ check_acpi_dev(acpi_handle handle, u32 lvl, void *context, void **rv)
return AE_OK;

if (acpi_match_device_ids(dev, ids) == 0)
- if (acpi_create_platform_device(dev, NULL))
+ if (!IS_ERR_OR_NULL(acpi_create_platform_device(dev, NULL)))
dev_info(&dev->dev,
"intel-vbtn: created platform device\n");

diff --git a/drivers/power/supply/88pm860x_battery.c b/drivers/power/supply/88pm860x_battery.c
index 63c57dc82ac1..4eda5065b5bb 100644
--- a/drivers/power/supply/88pm860x_battery.c
+++ b/drivers/power/supply/88pm860x_battery.c
@@ -436,7 +436,7 @@ static void pm860x_init_battery(struct pm860x_battery_info *info)
int ret;
int data;
int bat_remove;
- int soc;
+ int soc = 0;

/* measure enable on GPADC1 */
data = MEAS1_GP1;
@@ -499,7 +499,9 @@ static void pm860x_init_battery(struct pm860x_battery_info *info)
}
mutex_unlock(&info->lock);

- calc_soc(info, OCV_MODE_ACTIVE, &soc);
+ ret = calc_soc(info, OCV_MODE_ACTIVE, &soc);
+ if (ret < 0)
+ goto out;

data = pm860x_reg_read(info->i2c, PM8607_POWER_UP_LOG);
bat_remove = data & BAT_WU_LOG;
diff --git a/drivers/pwm/pwm-bcm-iproc.c b/drivers/pwm/pwm-bcm-iproc.c
index 31b01035d0ab..8cfba3614e60 100644
--- a/drivers/pwm/pwm-bcm-iproc.c
+++ b/drivers/pwm/pwm-bcm-iproc.c
@@ -85,8 +85,6 @@ static void iproc_pwmc_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
u64 tmp, multi, rate;
u32 value, prescale;

- rate = clk_get_rate(ip->clk);
-
value = readl(ip->base + IPROC_PWM_CTRL_OFFSET);

if (value & BIT(IPROC_PWM_CTRL_EN_SHIFT(pwm->hwpwm)))
@@ -99,6 +97,13 @@ static void iproc_pwmc_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
else
state->polarity = PWM_POLARITY_INVERSED;

+ rate = clk_get_rate(ip->clk);
+ if (rate == 0) {
+ state->period = 0;
+ state->duty_cycle = 0;
+ return;
+ }
+
value = readl(ip->base + IPROC_PWM_PRESCALE_OFFSET);
prescale = value >> IPROC_PWM_PRESCALE_SHIFT(pwm->hwpwm);
prescale &= IPROC_PWM_PRESCALE_MAX;
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 6fa07c246915..ae310d5ced10 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1559,6 +1559,10 @@ static void qeth_bridge_state_change(struct qeth_card *card,
int extrasize;

QETH_CARD_TEXT(card, 2, "brstchng");
+ if (qports->num_entries == 0) {
+ QETH_CARD_TEXT(card, 2, "BPempty");
+ return;
+ }
if (qports->entry_length != sizeof(struct qeth_sbp_port_entry)) {
QETH_CARD_TEXT_(card, 2, "BPsz%04x", qports->entry_length);
return;
diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index edce5f3cfdba..93ba83e3148e 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -454,7 +454,7 @@ static int cumanascsi2_probe(struct expansion_card *ec,

if (info->info.scsi.dma != NO_DMA)
free_dma(info->info.scsi.dma);
- free_irq(ec->irq, host);
+ free_irq(ec->irq, info);

out_release:
fas216_release(host);
diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
index e93e047f4316..65bb34ce93b9 100644
--- a/drivers/scsi/arm/eesox.c
+++ b/drivers/scsi/arm/eesox.c
@@ -575,7 +575,7 @@ static int eesoxscsi_probe(struct expansion_card *ec, const struct ecard_id *id)

if (info->info.scsi.dma != NO_DMA)
free_dma(info->info.scsi.dma);
- free_irq(ec->irq, host);
+ free_irq(ec->irq, info);

out_remove:
fas216_remove(host);
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index 79aa88911b7f..b5e4a25ea1ef 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -382,7 +382,7 @@ static int powertecscsi_probe(struct expansion_card *ec,

if (info->info.scsi.dma != NO_DMA)
free_dma(info->info.scsi.dma);
- free_irq(ec->irq, host);
+ free_irq(ec->irq, info);

out_release:
fas216_release(host);
diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c
index 1753e42826dd..a880abf5abaa 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1044,6 +1044,8 @@ static void handle_error(struct mesh_state *ms)
while ((in_8(&mr->bus_status1) & BS1_RST) != 0)
udelay(1);
printk("done\n");
+ if (ms->dma_started)
+ halt_dma(ms);
handle_reset(ms);
/* request_q is empty, no point in mesh_start() */
return;
@@ -1356,7 +1358,8 @@ static void halt_dma(struct mesh_state *ms)
ms->conn_tgt, ms->data_ptr, scsi_bufflen(cmd),
ms->tgts[ms->conn_tgt].data_goes_out);
}
- scsi_dma_unmap(cmd);
+ if (cmd)
+ scsi_dma_unmap(cmd);
ms->dma_started = 0;
}

@@ -1711,6 +1714,9 @@ static int mesh_host_reset(struct scsi_cmnd *cmd)

spin_lock_irqsave(ms->host->host_lock, flags);

+ if (ms->dma_started)
+ halt_dma(ms);
+
/* Reset the controller & dbdma channel */
out_le32(&md->control, (RUN|PAUSE|FLUSH|WAKE) << 16); /* stop dma */
out_8(&mr->exception, 0xff); /* clear all exception bits */
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index ac936b5ca74e..aba1a3396890 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4993,6 +4993,12 @@ static int __init scsi_debug_init(void)
pr_err("submit_queues must be 1 or more\n");
return -EINVAL;
}
+
+ if ((sdebug_max_queue > SDEBUG_CANQUEUE) || (sdebug_max_queue < 1)) {
+ pr_err("max_queue must be in range [1, %d]\n", SDEBUG_CANQUEUE);
+ return -EINVAL;
+ }
+
sdebug_q_arr = kcalloc(submit_queues, sizeof(struct sdebug_queue),
GFP_KERNEL);
if (sdebug_q_arr == NULL)
diff --git a/drivers/spi/spi-lantiq-ssc.c b/drivers/spi/spi-lantiq-ssc.c
index d5976615d924..dc740b5f720b 100644
--- a/drivers/spi/spi-lantiq-ssc.c
+++ b/drivers/spi/spi-lantiq-ssc.c
@@ -187,6 +187,7 @@ struct lantiq_ssc_spi {
unsigned int tx_fifo_size;
unsigned int rx_fifo_size;
unsigned int base_cs;
+ unsigned int fdx_tx_level;
};

static u32 lantiq_ssc_readl(const struct lantiq_ssc_spi *spi, u32 reg)
@@ -484,6 +485,7 @@ static void tx_fifo_write(struct lantiq_ssc_spi *spi)
u32 data;
unsigned int tx_free = tx_fifo_free(spi);

+ spi->fdx_tx_level = 0;
while (spi->tx_todo && tx_free) {
switch (spi->bits_per_word) {
case 2 ... 8:
@@ -512,6 +514,7 @@ static void tx_fifo_write(struct lantiq_ssc_spi *spi)

lantiq_ssc_writel(spi, data, LTQ_SPI_TB);
tx_free--;
+ spi->fdx_tx_level++;
}
}

@@ -523,6 +526,13 @@ static void rx_fifo_read_full_duplex(struct lantiq_ssc_spi *spi)
u32 data;
unsigned int rx_fill = rx_fifo_level(spi);

+ /*
+ * Wait until all expected data to be shifted in.
+ * Otherwise, rx overrun may occur.
+ */
+ while (rx_fill != spi->fdx_tx_level)
+ rx_fill = rx_fifo_level(spi);
+
while (rx_fill) {
data = lantiq_ssc_readl(spi, LTQ_SPI_RB);

diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 167047760d79..e444e7cc6968 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -232,6 +232,11 @@ static int spidev_message(struct spidev_data *spidev,
for (n = n_xfers, k_tmp = k_xfers, u_tmp = u_xfers;
n;
n--, k_tmp++, u_tmp++) {
+ /* Ensure that also following allocations from rx_buf/tx_buf will meet
+ * DMA alignment requirements.
+ */
+ unsigned int len_aligned = ALIGN(u_tmp->len, ARCH_KMALLOC_MINALIGN);
+
k_tmp->len = u_tmp->len;

total += k_tmp->len;
@@ -247,17 +252,17 @@ static int spidev_message(struct spidev_data *spidev,

if (u_tmp->rx_buf) {
/* this transfer needs space in RX bounce buffer */
- rx_total += k_tmp->len;
+ rx_total += len_aligned;
if (rx_total > bufsiz) {
status = -EMSGSIZE;
goto done;
}
k_tmp->rx_buf = rx_buf;
- rx_buf += k_tmp->len;
+ rx_buf += len_aligned;
}
if (u_tmp->tx_buf) {
/* this transfer needs space in TX bounce buffer */
- tx_total += k_tmp->len;
+ tx_total += len_aligned;
if (tx_total > bufsiz) {
status = -EMSGSIZE;
goto done;
@@ -267,7 +272,7 @@ static int spidev_message(struct spidev_data *spidev,
(uintptr_t) u_tmp->tx_buf,
u_tmp->len))
goto done;
- tx_buf += k_tmp->len;
+ tx_buf += len_aligned;
}

k_tmp->cs_change = !!u_tmp->cs_change;
@@ -297,16 +302,16 @@ static int spidev_message(struct spidev_data *spidev,
goto done;

/* copy any rx data out of bounce buffer */
- rx_buf = spidev->rx_buffer;
- for (n = n_xfers, u_tmp = u_xfers; n; n--, u_tmp++) {
+ for (n = n_xfers, k_tmp = k_xfers, u_tmp = u_xfers;
+ n;
+ n--, k_tmp++, u_tmp++) {
if (u_tmp->rx_buf) {
if (copy_to_user((u8 __user *)
- (uintptr_t) u_tmp->rx_buf, rx_buf,
+ (uintptr_t) u_tmp->rx_buf, k_tmp->rx_buf,
u_tmp->len)) {
status = -EFAULT;
goto done;
}
- rx_buf += u_tmp->len;
}
}
status = total;
diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c
index 9481c0b23386..22cae548df49 100644
--- a/drivers/staging/android/ashmem.c
+++ b/drivers/staging/android/ashmem.c
@@ -100,6 +100,15 @@ static DEFINE_MUTEX(ashmem_mutex);
static struct kmem_cache *ashmem_area_cachep __read_mostly;
static struct kmem_cache *ashmem_range_cachep __read_mostly;

+/*
+ * A separate lockdep class for the backing shmem inodes to resolve the lockdep
+ * warning about the race between kswapd taking fs_reclaim before inode_lock
+ * and write syscall taking inode_lock and then fs_reclaim.
+ * Note that such race is impossible because ashmem does not support write
+ * syscalls operating on the backing shmem.
+ */
+static struct lock_class_key backing_shmem_inode_class;
+
static inline unsigned long range_size(struct ashmem_range *range)
{
return range->pgend - range->pgstart + 1;
@@ -406,6 +415,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
if (!asma->file) {
char *name = ASHMEM_NAME_DEF;
struct file *vmfile;
+ struct inode *inode;

if (asma->name[ASHMEM_NAME_PREFIX_LEN] != '\0')
name = asma->name;
@@ -417,6 +427,8 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma)
goto out;
}
vmfile->f_mode |= FMODE_LSEEK;
+ inode = file_inode(vmfile);
+ lockdep_set_class(&inode->i_rwsem, &backing_shmem_inode_class);
asma->file = vmfile;
/*
* override mmap operation of the vmfile so that it can't be
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index fbbd1b59dc11..b5941ae410d9 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -2519,7 +2519,7 @@ static int rtl8192_read_eeprom_info(struct net_device *dev)
ret = eprom_read(dev, (EEPROM_TxPwIndex_CCK >> 1));
if (ret < 0)
return ret;
- priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff) >> 8;
+ priv->EEPROMTxPowerLevelCCK = ((u16)ret & 0xff00) >> 8;
} else
priv->EEPROMTxPowerLevelCCK = 0x10;
RT_TRACE(COMP_EPROM, "CCK Tx Power Levl: 0x%02x\n", priv->EEPROMTxPowerLevelCCK);
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
index fa98c398d70f..d43fbe4ad767 100644
--- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
+++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
@@ -183,7 +183,7 @@ int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id,

data = ti_bandgap_get_sensor_data(bgp, id);

- if (!IS_ERR_OR_NULL(data))
+ if (IS_ERR_OR_NULL(data))
data = ti_thermal_build_data(bgp, id);

if (!data)
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 442cb93935dd..405dccf92a31 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -459,6 +459,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
if (hsotg->gadget_enabled) {
retval = usb_add_gadget_udc(hsotg->dev, &hsotg->gadget);
if (retval) {
+ hsotg->gadget.udc = NULL;
dwc2_hsotg_remove(hsotg);
goto error;
}
@@ -467,7 +468,8 @@ static int dwc2_driver_probe(struct platform_device *dev)
return 0;

error:
- dwc2_lowlevel_hw_disable(hsotg);
+ if (hsotg->dr_mode != USB_DR_MODE_PERIPHERAL)
+ dwc2_lowlevel_hw_disable(hsotg);
return retval;
}

diff --git a/drivers/usb/gadget/udc/bdc/bdc_core.c b/drivers/usb/gadget/udc/bdc/bdc_core.c
index 7a8af4b916cf..58ba04d858ba 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_core.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_core.c
@@ -288,6 +288,7 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit)
* in that case reinit is passed as 1
*/
if (reinit) {
+ int i;
/* Enable interrupts */
temp = bdc_readl(bdc->regs, BDC_BDCSC);
temp |= BDC_GIE;
@@ -297,6 +298,9 @@ static void bdc_mem_init(struct bdc *bdc, bool reinit)
/* Initialize SRR to 0 */
memset(bdc->srr.sr_bds, 0,
NUM_SR_ENTRIES * sizeof(struct bdc_bd));
+ /* clear ep flags to avoid post disconnect stops/deconfigs */
+ for (i = 1; i < bdc->num_eps; ++i)
+ bdc->bdc_ep_array[i]->flags = 0;
} else {
/* One time initiaization only */
/* Enable status report function pointers */
@@ -609,9 +613,14 @@ static int bdc_remove(struct platform_device *pdev)
static int bdc_suspend(struct device *dev)
{
struct bdc *bdc = dev_get_drvdata(dev);
+ int ret;

- clk_disable_unprepare(bdc->clk);
- return 0;
+ /* Halt the controller */
+ ret = bdc_stop(bdc);
+ if (!ret)
+ clk_disable_unprepare(bdc->clk);
+
+ return ret;
}

static int bdc_resume(struct device *dev)
diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
index be9f40bc9c12..bb2d5ebd97b5 100644
--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
+++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
@@ -621,7 +621,6 @@ int bdc_ep_enable(struct bdc_ep *ep)
}
bdc_dbg_bd_list(bdc, ep);
/* only for ep0: config ep is called for ep0 from connect event */
- ep->flags |= BDC_EP_ENABLED;
if (ep->ep_num == 1)
return ret;

@@ -765,10 +764,13 @@ static int ep_dequeue(struct bdc_ep *ep, struct bdc_req *req)
__func__, ep->name, start_bdi, end_bdi);
dev_dbg(bdc->dev, "ep_dequeue ep=%p ep->desc=%p\n",
ep, (void *)ep->usb_ep.desc);
- /* Stop the ep to see where the HW is ? */
- ret = bdc_stop_ep(bdc, ep->ep_num);
- /* if there is an issue with stopping ep, then no need to go further */
- if (ret)
+ /* if still connected, stop the ep to see where the HW is ? */
+ if (!(bdc_readl(bdc->regs, BDC_USPC) & BDC_PST_MASK)) {
+ ret = bdc_stop_ep(bdc, ep->ep_num);
+ /* if there is an issue, then no need to go further */
+ if (ret)
+ return 0;
+ } else
return 0;

/*
@@ -1917,7 +1919,9 @@ static int bdc_gadget_ep_disable(struct usb_ep *_ep)
__func__, ep->name, ep->flags);

if (!(ep->flags & BDC_EP_ENABLED)) {
- dev_warn(bdc->dev, "%s is already disabled\n", ep->name);
+ if (bdc->gadget.speed != USB_SPEED_UNKNOWN)
+ dev_warn(bdc->dev, "%s is already disabled\n",
+ ep->name);
return 0;
}
spin_lock_irqsave(&bdc->lock, flags);
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index 170327f84ea1..f1ac9a49e2bf 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -3786,8 +3786,10 @@ static int net2280_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;

done:
- if (dev)
+ if (dev) {
net2280_remove(pdev);
+ kfree(dev);
+ }
return retval;
}

diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index d4e29039305b..72c3ba0824f7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -59,7 +59,10 @@
#define PCI_DEVICE_ID_AMD_PROMONTORYA_3 0x43ba
#define PCI_DEVICE_ID_AMD_PROMONTORYA_2 0x43bb
#define PCI_DEVICE_ID_AMD_PROMONTORYA_1 0x43bc
+#define PCI_DEVICE_ID_ASMEDIA_1042_XHCI 0x1042
#define PCI_DEVICE_ID_ASMEDIA_1042A_XHCI 0x1142
+#define PCI_DEVICE_ID_ASMEDIA_1142_XHCI 0x1242
+#define PCI_DEVICE_ID_ASMEDIA_2142_XHCI 0x2142

static const char hcd_name[] = "xhci_hcd";

@@ -230,13 +233,14 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci)
xhci->quirks |= XHCI_BROKEN_STREAMS;

if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == 0x1042)
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042_XHCI)
xhci->quirks |= XHCI_BROKEN_STREAMS;
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == 0x1142)
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_1042A_XHCI)
xhci->quirks |= XHCI_TRUST_TX_LENGTH;
if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
- pdev->device == 0x2142)
+ (pdev->device == PCI_DEVICE_ID_ASMEDIA_1142_XHCI ||
+ pdev->device == PCI_DEVICE_ID_ASMEDIA_2142_XHCI))
xhci->quirks |= XHCI_NO_64BIT_SUPPORT;

if (pdev->vendor == PCI_VENDOR_ID_ASMEDIA &&
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 1ec32e5aa004..27e1ab9e1b07 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -1,8 +1,9 @@
/*
* Native support for the I/O-Warrior USB devices
*
- * Copyright (c) 2003-2005 Code Mercenaries GmbH
- * written by Christian Lucht <lucht@xxxxxxxxxxxxx>
+ * Copyright (c) 2003-2005, 2020 Code Mercenaries GmbH
+ * written by Christian Lucht <lucht@xxxxxxxxxxxxx> and
+ * Christoph Jung <jung@xxxxxxxxxxxxx>
*
* based on

@@ -821,14 +822,28 @@ static int iowarrior_probe(struct usb_interface *interface,

/* we have to check the report_size often, so remember it in the endianness suitable for our machine */
dev->report_size = usb_endpoint_maxp(dev->int_in_endpoint);
- if ((dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) &&
- ((dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56) ||
- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW56AM) ||
- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28) ||
- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW28L) ||
- (dev->product_id == USB_DEVICE_ID_CODEMERCS_IOW100)))
- /* IOWarrior56 has wMaxPacketSize different from report size */
- dev->report_size = 7;
+
+ /*
+ * Some devices need the report size to be different than the
+ * endpoint size.
+ */
+ if (dev->interface->cur_altsetting->desc.bInterfaceNumber == 0) {
+ switch (dev->product_id) {
+ case USB_DEVICE_ID_CODEMERCS_IOW56:
+ case USB_DEVICE_ID_CODEMERCS_IOW56AM:
+ dev->report_size = 7;
+ break;
+
+ case USB_DEVICE_ID_CODEMERCS_IOW28:
+ case USB_DEVICE_ID_CODEMERCS_IOW28L:
+ dev->report_size = 4;
+ break;
+
+ case USB_DEVICE_ID_CODEMERCS_IOW100:
+ dev->report_size = 13;
+ break;
+ }
+ }

/* create the urb and buffer for reading */
dev->int_in_urb = usb_alloc_urb(0, GFP_KERNEL);
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 8dd9852f399d..630c8338d791 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -271,6 +271,8 @@ static struct usb_serial_driver cp210x_device = {
.break_ctl = cp210x_break_ctl,
.set_termios = cp210x_set_termios,
.tx_empty = cp210x_tx_empty,
+ .throttle = usb_serial_generic_throttle,
+ .unthrottle = usb_serial_generic_unthrottle,
.tiocmget = cp210x_tiocmget,
.tiocmset = cp210x_tiocmset,
.attach = cp210x_attach,
@@ -925,6 +927,7 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
u32 baud;
u16 bits;
u32 ctl_hs;
+ u32 flow_repl;

cp210x_read_u32_reg(port, CP210X_GET_BAUDRATE, &baud);

@@ -1025,6 +1028,22 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
ctl_hs = le32_to_cpu(flow_ctl.ulControlHandshake);
if (ctl_hs & CP210X_SERIAL_CTS_HANDSHAKE) {
dev_dbg(dev, "%s - flow control = CRTSCTS\n", __func__);
+ /*
+ * When the port is closed, the CP210x hardware disables
+ * auto-RTS and RTS is deasserted but it leaves auto-CTS when
+ * in hardware flow control mode. When re-opening the port, if
+ * auto-CTS is enabled on the cp210x, then auto-RTS must be
+ * re-enabled in the driver.
+ */
+ flow_repl = le32_to_cpu(flow_ctl.ulFlowReplace);
+ flow_repl &= ~CP210X_SERIAL_RTS_MASK;
+ flow_repl |= CP210X_SERIAL_RTS_SHIFT(CP210X_SERIAL_RTS_FLOW_CTL);
+ flow_ctl.ulFlowReplace = cpu_to_le32(flow_repl);
+ cp210x_write_reg_block(port,
+ CP210X_SET_FLOW,
+ &flow_ctl,
+ sizeof(flow_ctl));
+
cflag |= CRTSCTS;
} else {
dev_dbg(dev, "%s - flow control = NONE\n", __func__);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index a962065227c4..8abb30c797d3 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2042,12 +2042,11 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
#define FTDI_RS_ERR_MASK (FTDI_RS_BI | FTDI_RS_PE | FTDI_RS_FE | FTDI_RS_OE)

static int ftdi_process_packet(struct usb_serial_port *port,
- struct ftdi_private *priv, char *packet, int len)
+ struct ftdi_private *priv, unsigned char *buf, int len)
{
+ unsigned char status;
int i;
- char status;
char flag;
- char *ch;

if (len < 2) {
dev_dbg(&port->dev, "malformed packet\n");
@@ -2057,7 +2056,7 @@ static int ftdi_process_packet(struct usb_serial_port *port,
/* Compare new line status to the old one, signal if different/
N.B. packet may be processed more than once, but differences
are only processed once. */
- status = packet[0] & FTDI_STATUS_B0_MASK;
+ status = buf[0] & FTDI_STATUS_B0_MASK;
if (status != priv->prev_status) {
char diff_status = status ^ priv->prev_status;

@@ -2083,13 +2082,12 @@ static int ftdi_process_packet(struct usb_serial_port *port,
}

/* save if the transmitter is empty or not */
- if (packet[1] & FTDI_RS_TEMT)
+ if (buf[1] & FTDI_RS_TEMT)
priv->transmit_empty = 1;
else
priv->transmit_empty = 0;

- len -= 2;
- if (!len)
+ if (len == 2)
return 0; /* status only */

/*
@@ -2097,40 +2095,41 @@ static int ftdi_process_packet(struct usb_serial_port *port,
* data payload to avoid over-reporting.
*/
flag = TTY_NORMAL;
- if (packet[1] & FTDI_RS_ERR_MASK) {
+ if (buf[1] & FTDI_RS_ERR_MASK) {
/* Break takes precedence over parity, which takes precedence
* over framing errors */
- if (packet[1] & FTDI_RS_BI) {
+ if (buf[1] & FTDI_RS_BI) {
flag = TTY_BREAK;
port->icount.brk++;
usb_serial_handle_break(port);
- } else if (packet[1] & FTDI_RS_PE) {
+ } else if (buf[1] & FTDI_RS_PE) {
flag = TTY_PARITY;
port->icount.parity++;
- } else if (packet[1] & FTDI_RS_FE) {
+ } else if (buf[1] & FTDI_RS_FE) {
flag = TTY_FRAME;
port->icount.frame++;
}
/* Overrun is special, not associated with a char */
- if (packet[1] & FTDI_RS_OE) {
+ if (buf[1] & FTDI_RS_OE) {
port->icount.overrun++;
tty_insert_flip_char(&port->port, 0, TTY_OVERRUN);
}
}

- port->icount.rx += len;
- ch = packet + 2;
+ port->icount.rx += len - 2;

if (port->port.console && port->sysrq) {
- for (i = 0; i < len; i++, ch++) {
- if (!usb_serial_handle_sysrq_char(port, *ch))
- tty_insert_flip_char(&port->port, *ch, flag);
+ for (i = 2; i < len; i++) {
+ if (usb_serial_handle_sysrq_char(port, buf[i]))
+ continue;
+ tty_insert_flip_char(&port->port, buf[i], flag);
}
} else {
- tty_insert_flip_string_fixed_flag(&port->port, ch, flag, len);
+ tty_insert_flip_string_fixed_flag(&port->port, buf + 2, flag,
+ len - 2);
}

- return len;
+ return len - 2;
}

static void ftdi_process_read_urb(struct urb *urb)
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index a1a11f8bb2a3..0c9e24b217f7 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -359,10 +359,11 @@ static void iuu_led_activity_on(struct urb *urb)
struct usb_serial_port *port = urb->context;
int result;
char *buf_ptr = port->write_urb->transfer_buffer;
- *buf_ptr++ = IUU_SET_LED;
+
if (xmas) {
- get_random_bytes(buf_ptr, 6);
- *(buf_ptr+7) = 1;
+ buf_ptr[0] = IUU_SET_LED;
+ get_random_bytes(buf_ptr + 1, 6);
+ buf_ptr[7] = 1;
} else {
iuu_rgbf_fill_buffer(buf_ptr, 255, 255, 0, 0, 0, 0, 255);
}
@@ -380,13 +381,14 @@ static void iuu_led_activity_off(struct urb *urb)
struct usb_serial_port *port = urb->context;
int result;
char *buf_ptr = port->write_urb->transfer_buffer;
+
if (xmas) {
iuu_rxcmd(urb);
return;
- } else {
- *buf_ptr++ = IUU_SET_LED;
- iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
}
+
+ iuu_rgbf_fill_buffer(buf_ptr, 0, 0, 255, 255, 0, 0, 255);
+
usb_fill_bulk_urb(port->write_urb, port->serial->dev,
usb_sndbulkpipe(port->serial->dev,
port->bulk_out_endpointAddress),
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 27b4082f4d19..7662b2eb50d8 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -159,6 +159,7 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9062)}, /* Sierra Wireless EM7305 QDL */
{DEVICE_SWI(0x1199, 0x9063)}, /* Sierra Wireless EM7305 */
{DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx */
{DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx */
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index 42d02a206059..d3b0850391e0 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -31,6 +31,8 @@
#include <linux/linux_logo.h>
#include <linux/font.h>

+#define NEWPORT_LEN 0x10000
+
#define FONT_DATA ((unsigned char *)font_vga_8x16.data)

/* borrowed from fbcon.c */
@@ -42,6 +44,7 @@
static unsigned char *font_data[MAX_NR_CONSOLES];

static struct newport_regs *npregs;
+static unsigned long newport_addr;

static int logo_active;
static int topscan;
@@ -701,7 +704,6 @@ const struct consw newport_con = {
static int newport_probe(struct gio_device *dev,
const struct gio_device_id *id)
{
- unsigned long newport_addr;
int err;

if (!dev->resource.start)
@@ -711,7 +713,7 @@ static int newport_probe(struct gio_device *dev,
return -EBUSY; /* we only support one Newport as console */

newport_addr = dev->resource.start + 0xF0000;
- if (!request_mem_region(newport_addr, 0x10000, "Newport"))
+ if (!request_mem_region(newport_addr, NEWPORT_LEN, "Newport"))
return -ENODEV;

npregs = (struct newport_regs *)/* ioremap cannot fail */
@@ -719,6 +721,11 @@ static int newport_probe(struct gio_device *dev,
console_lock();
err = do_take_over_console(&newport_con, 0, MAX_NR_CONSOLES - 1, 1);
console_unlock();
+
+ if (err) {
+ iounmap((void *)npregs);
+ release_mem_region(newport_addr, NEWPORT_LEN);
+ }
return err;
}

@@ -726,6 +733,7 @@ static void newport_remove(struct gio_device *dev)
{
give_up_console(&newport_con);
iounmap((void *)npregs);
+ release_mem_region(newport_addr, NEWPORT_LEN);
}

static struct gio_device_id newport_ids[] = {
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index ff6612a3ddc8..8f061c18e115 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -246,6 +246,10 @@ static void vgacon_scrollback_update(struct vc_data *c, int t, int count)
p = (void *) (c->vc_origin + t * c->vc_size_row);

while (count--) {
+ if ((vgacon_scrollback_cur->tail + c->vc_size_row) >
+ vgacon_scrollback_cur->size)
+ vgacon_scrollback_cur->tail = 0;
+
scr_memcpyw(vgacon_scrollback_cur->data +
vgacon_scrollback_cur->tail,
p, c->vc_size_row);
diff --git a/drivers/video/fbdev/neofb.c b/drivers/video/fbdev/neofb.c
index 5d3a444083f7..2018e1ca33eb 100644
--- a/drivers/video/fbdev/neofb.c
+++ b/drivers/video/fbdev/neofb.c
@@ -1820,6 +1820,7 @@ static int neo_scan_monitor(struct fb_info *info)
#else
printk(KERN_ERR
"neofb: Only 640x480, 800x600/480 and 1024x768 panels are currently supported\n");
+ kfree(info->monspecs.modedb);
return -1;
#endif
default:
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
index 48c6500c24e1..4429ad37b64c 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
@@ -843,7 +843,7 @@ static const struct dss_features omap34xx_dss_feats = {
};

static const struct dss_features omap3630_dss_feats = {
- .fck_div_max = 32,
+ .fck_div_max = 31,
.dss_fck_multiplier = 1,
.parent_clk_name = "dpll4_ck",
.dpi_select_source = &dss_dpi_select_source_omap2_omap3,
diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
index 29f00eccdd01..08ee77d5df8b 100644
--- a/drivers/video/fbdev/pxafb.c
+++ b/drivers/video/fbdev/pxafb.c
@@ -2449,8 +2449,8 @@ static int pxafb_remove(struct platform_device *dev)

free_pages_exact(fbi->video_mem, fbi->video_mem_size);

- dma_free_wc(&dev->dev, fbi->dma_buff_size, fbi->dma_buff,
- fbi->dma_buff_phys);
+ dma_free_coherent(&dev->dev, fbi->dma_buff_size, fbi->dma_buff,
+ fbi->dma_buff_phys);

iounmap(fbi->mmio_base);

diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c
index f1dcc6766d1e..1781ca697f66 100644
--- a/drivers/video/fbdev/sm712fb.c
+++ b/drivers/video/fbdev/sm712fb.c
@@ -1429,6 +1429,8 @@ static int smtc_map_smem(struct smtcfb_info *sfb,
static void smtc_unmap_smem(struct smtcfb_info *sfb)
{
if (sfb && sfb->fb->screen_base) {
+ if (sfb->chip_id == 0x720)
+ sfb->fb->screen_base -= 0x00200000;
iounmap(sfb->fb->screen_base);
sfb->fb->screen_base = NULL;
}
diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c
index 88cd2a52d8d3..ae4974701e5c 100644
--- a/drivers/watchdog/f71808e_wdt.c
+++ b/drivers/watchdog/f71808e_wdt.c
@@ -688,9 +688,9 @@ static int __init watchdog_init(int sioaddr)
* into the module have been registered yet.
*/
watchdog.sioaddr = sioaddr;
- watchdog.ident.options = WDIOC_SETTIMEOUT
- | WDIOF_MAGICCLOSE
- | WDIOF_KEEPALIVEPING;
+ watchdog.ident.options = WDIOF_MAGICCLOSE
+ | WDIOF_KEEPALIVEPING
+ | WDIOF_CARDRESET;

snprintf(watchdog.ident.identity,
sizeof(watchdog.ident.identity), "%s watchdog",
@@ -704,6 +704,13 @@ static int __init watchdog_init(int sioaddr)
wdt_conf = superio_inb(sioaddr, F71808FG_REG_WDT_CONF);
watchdog.caused_reboot = wdt_conf & BIT(F71808FG_FLAG_WDTMOUT_STS);

+ /*
+ * We don't want WDTMOUT_STS to stick around till regular reboot.
+ * Write 1 to the bit to clear it to zero.
+ */
+ superio_outb(sioaddr, F71808FG_REG_WDT_CONF,
+ wdt_conf | BIT(F71808FG_FLAG_WDTMOUT_STS));
+
superio_exit(sioaddr);

err = watchdog_set_timeout(timeout);
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 3f9260af701f..a8e0836dffd4 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -633,11 +633,13 @@ static int add_ballooned_pages(int nr_pages)
if (xen_hotplug_unpopulated) {
st = reserve_additional_memory();
if (st != BP_ECANCELED) {
+ int rc;
+
mutex_unlock(&balloon_mutex);
- wait_event(balloon_wq,
+ rc = wait_event_interruptible(balloon_wq,
!list_empty(&ballooned_pages));
mutex_lock(&balloon_mutex);
- return 0;
+ return rc ? -ENOMEM : 0;
}
}

@@ -695,6 +697,12 @@ int alloc_xenballooned_pages(int nr_pages, struct page **pages)
out_undo:
mutex_unlock(&balloon_mutex);
free_xenballooned_pages(pgno, pages);
+ /*
+ * NB: free_xenballooned_pages will only subtract pgno pages, but since
+ * target_unpopulated is incremented with nr_pages at the start we need
+ * to remove the remaining ones also, or accounting will be screwed.
+ */
+ balloon_stats.target_unpopulated -= nr_pages - pgno;
return ret;
}
EXPORT_SYMBOL(alloc_xenballooned_pages);
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index c52f10efdc9c..b4dbe7b71151 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -513,10 +513,9 @@ void v9fs_session_close(struct v9fs_session_info *v9ses)
}

#ifdef CONFIG_9P_FSCACHE
- if (v9ses->fscache) {
+ if (v9ses->fscache)
v9fs_cache_session_put_cookie(v9ses);
- kfree(v9ses->cachetag);
- }
+ kfree(v9ses->cachetag);
#endif
kfree(v9ses->uname);
kfree(v9ses->aname);
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 096c015b22a4..893066970c68 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1509,9 +1509,16 @@ int btrfs_init_fs_root(struct btrfs_root *root)
spin_lock_init(&root->ino_cache_lock);
init_waitqueue_head(&root->ino_cache_wait);

- ret = get_anon_bdev(&root->anon_dev);
- if (ret)
- goto fail;
+ /*
+ * Don't assign anonymous block device to roots that are not exposed to
+ * userspace, the id pool is limited to 1M
+ */
+ if (is_fstree(root->root_key.objectid) &&
+ btrfs_root_refs(&root->root_item) > 0) {
+ ret = get_anon_bdev(&root->anon_dev);
+ if (ret)
+ goto fail;
+ }

mutex_lock(&root->objectid_mutex);
ret = btrfs_find_highest_objectid(root,
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 6d2bfbb63d9b..ef1fd6a09d8e 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4323,6 +4323,8 @@ int try_release_extent_mapping(struct extent_map_tree *map,

/* once for us */
free_extent_map(em);
+
+ cond_resched(); /* Allow large-extent preemption. */
}
}
return try_release_extent_state(map, tree, page, mask);
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index abeb26d48d0a..57f89708fab1 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2169,7 +2169,7 @@ static int insert_into_bitmap(struct btrfs_free_space_ctl *ctl,
static bool try_merge_free_space(struct btrfs_free_space_ctl *ctl,
struct btrfs_free_space *info, bool update_stat)
{
- struct btrfs_free_space *left_info;
+ struct btrfs_free_space *left_info = NULL;
struct btrfs_free_space *right_info;
bool merged = false;
u64 offset = info->offset;
@@ -2184,7 +2184,7 @@ static bool try_merge_free_space(struct btrfs_free_space_ctl *ctl,
if (right_info && rb_prev(&right_info->offset_index))
left_info = rb_entry(rb_prev(&right_info->offset_index),
struct btrfs_free_space, offset_index);
- else
+ else if (!right_info)
left_info = tree_search_offset(ctl, offset - 1, 0, 0);

if (right_info && !right_info->bitmap) {
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index bcfb7a772c8e..3d30bf90d59e 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3854,11 +3854,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
fs_info->csum_root,
ds + cs, ds + cs + cl - 1,
&ordered_sums, 0);
- if (ret) {
- btrfs_release_path(dst_path);
- kfree(ins_data);
- return ret;
- }
+ if (ret)
+ break;
}
}
}
@@ -3871,7 +3868,6 @@ static noinline int copy_items(struct btrfs_trans_handle *trans,
* we have to do this after the loop above to avoid changing the
* log tree while trying to change the log tree.
*/
- ret = 0;
while (!list_empty(&ordered_sums)) {
struct btrfs_ordered_sum *sums = list_entry(ordered_sums.next,
struct btrfs_ordered_sum,
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 1c87a429ce72..2097b5fd51ba 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -942,6 +942,8 @@ SMB2_auth_kerberos(struct SMB2_sess_data *sess_data)
spnego_key = cifs_get_spnego_key(ses);
if (IS_ERR(spnego_key)) {
rc = PTR_ERR(spnego_key);
+ if (rc == -ENOKEY)
+ cifs_dbg(VFS, "Verify user has a krb5 ticket and keyutils is installed\n");
spnego_key = NULL;
goto out;
}
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 9c8c9a09b4a6..7a6b0327ceb0 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -633,6 +633,9 @@ static int new_lockspace(const char *name, const char *cluster,
wait_event(ls->ls_recover_lock_wait,
test_bit(LSFL_RECOVER_LOCK, &ls->ls_flags));

+ /* let kobject handle freeing of ls if there's an error */
+ do_unreg = 1;
+
ls->ls_kobj.kset = dlm_kset;
error = kobject_init_and_add(&ls->ls_kobj, &dlm_ktype, NULL,
"%s", ls->ls_name);
@@ -640,9 +643,6 @@ static int new_lockspace(const char *name, const char *cluster,
goto out_recoverd;
kobject_uevent(&ls->ls_kobj, KOBJ_ADD);

- /* let kobject handle freeing of ls if there's an error */
- do_unreg = 1;
-
/* This uevent triggers dlm_controld in userspace to add us to the
group of nodes that are members of this lockspace (managed by the
cluster infrastructure.) Once it's done that, it tells us who the
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index a1fc3dabca41..6d5fce776d8e 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -80,6 +80,7 @@ static void ext2_release_inode(struct super_block *sb, int group, int dir)
if (dir)
le16_add_cpu(&desc->bg_used_dirs_count, -1);
spin_unlock(sb_bgl_lock(EXT2_SB(sb), group));
+ percpu_counter_inc(&EXT2_SB(sb)->s_freeinodes_counter);
if (dir)
percpu_counter_dec(&EXT2_SB(sb)->s_dirs_counter);
mark_buffer_dirty(bh);
@@ -531,7 +532,7 @@ struct inode *ext2_new_inode(struct inode *dir, umode_t mode,
goto fail;
}

- percpu_counter_add(&sbi->s_freeinodes_counter, -1);
+ percpu_counter_dec(&sbi->s_freeinodes_counter);
if (S_ISDIR(mode))
percpu_counter_inc(&sbi->s_dirs_counter);

diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index b6829d679643..d49337b5abfa 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -155,6 +155,23 @@ static int minix_remount (struct super_block * sb, int * flags, char * data)
return 0;
}

+static bool minix_check_superblock(struct minix_sb_info *sbi)
+{
+ if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
+ return false;
+
+ /*
+ * s_max_size must not exceed the block mapping limitation. This check
+ * is only needed for V1 filesystems, since V2/V3 support an extra level
+ * of indirect blocks which places the limit well above U32_MAX.
+ */
+ if (sbi->s_version == MINIX_V1 &&
+ sbi->s_max_size > (7 + 512 + 512*512) * BLOCK_SIZE)
+ return false;
+
+ return true;
+}
+
static int minix_fill_super(struct super_block *s, void *data, int silent)
{
struct buffer_head *bh;
@@ -233,11 +250,12 @@ static int minix_fill_super(struct super_block *s, void *data, int silent)
} else
goto out_no_fs;

+ if (!minix_check_superblock(sbi))
+ goto out_illegal_sb;
+
/*
* Allocate the buffer map to keep the superblock small.
*/
- if (sbi->s_imap_blocks == 0 || sbi->s_zmap_blocks == 0)
- goto out_illegal_sb;
i = (sbi->s_imap_blocks + sbi->s_zmap_blocks) * sizeof(bh);
map = kzalloc(i, GFP_KERNEL);
if (!map)
@@ -471,6 +489,13 @@ static struct inode *V1_minix_iget(struct inode *inode)
iget_failed(inode);
return ERR_PTR(-EIO);
}
+ if (raw_inode->i_nlinks == 0) {
+ printk("MINIX-fs: deleted inode referenced: %lu\n",
+ inode->i_ino);
+ brelse(bh);
+ iget_failed(inode);
+ return ERR_PTR(-ESTALE);
+ }
inode->i_mode = raw_inode->i_mode;
i_uid_write(inode, raw_inode->i_uid);
i_gid_write(inode, raw_inode->i_gid);
@@ -504,6 +529,13 @@ static struct inode *V2_minix_iget(struct inode *inode)
iget_failed(inode);
return ERR_PTR(-EIO);
}
+ if (raw_inode->i_nlinks == 0) {
+ printk("MINIX-fs: deleted inode referenced: %lu\n",
+ inode->i_ino);
+ brelse(bh);
+ iget_failed(inode);
+ return ERR_PTR(-ESTALE);
+ }
inode->i_mode = raw_inode->i_mode;
i_uid_write(inode, raw_inode->i_uid);
i_gid_write(inode, raw_inode->i_gid);
diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c
index 043c3fdbc8e7..446148792f41 100644
--- a/fs/minix/itree_common.c
+++ b/fs/minix/itree_common.c
@@ -75,6 +75,7 @@ static int alloc_branch(struct inode *inode,
int n = 0;
int i;
int parent = minix_new_block(inode);
+ int err = -ENOSPC;

branch[0].key = cpu_to_block(parent);
if (parent) for (n = 1; n < num; n++) {
@@ -85,6 +86,11 @@ static int alloc_branch(struct inode *inode,
break;
branch[n].key = cpu_to_block(nr);
bh = sb_getblk(inode->i_sb, parent);
+ if (!bh) {
+ minix_free_block(inode, nr);
+ err = -ENOMEM;
+ break;
+ }
lock_buffer(bh);
memset(bh->b_data, 0, bh->b_size);
branch[n].bh = bh;
@@ -103,7 +109,7 @@ static int alloc_branch(struct inode *inode,
bforget(branch[i].bh);
for (i = 0; i < n; i++)
minix_free_block(inode, block_to_cpu(branch[i].key));
- return -ENOSPC;
+ return err;
}

static inline int splice_branch(struct inode *inode,
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index a19bbcfab7c5..4cfb84119e01 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5323,8 +5323,6 @@ static int _nfs4_get_security_label(struct inode *inode, void *buf,
return ret;
if (!(fattr.valid & NFS_ATTR_FATTR_V4_SECURITY_LABEL))
return -ENOENT;
- if (buflen < label.len)
- return -ERANGE;
return 0;
}

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 0b2d051990e9..3cd04c98da6b 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -4258,7 +4258,11 @@ static int decode_attr_security_label(struct xdr_stream *xdr, uint32_t *bitmap,
goto out_overflow;
if (len < NFS4_MAXLABELLEN) {
if (label) {
- memcpy(label->label, p, len);
+ if (label->len) {
+ if (label->len < len)
+ return -ERANGE;
+ memcpy(label->label, p, len);
+ }
label->len = len;
label->pi = pi;
label->lfs = lfs;
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 9a50f222ac97..b15537a76516 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -336,8 +336,8 @@ struct ocfs2_super
spinlock_t osb_lock;
u32 s_next_generation;
unsigned long osb_flags;
- s16 s_inode_steal_slot;
- s16 s_meta_steal_slot;
+ u16 s_inode_steal_slot;
+ u16 s_meta_steal_slot;
atomic_t s_num_inodes_stolen;
atomic_t s_num_meta_stolen;

diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index 4ca2f71565f9..8d03630dfd59 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -895,9 +895,9 @@ static void __ocfs2_set_steal_slot(struct ocfs2_super *osb, int slot, int type)
{
spin_lock(&osb->osb_lock);
if (type == INODE_ALLOC_SYSTEM_INODE)
- osb->s_inode_steal_slot = slot;
+ osb->s_inode_steal_slot = (u16)slot;
else if (type == EXTENT_ALLOC_SYSTEM_INODE)
- osb->s_meta_steal_slot = slot;
+ osb->s_meta_steal_slot = (u16)slot;
spin_unlock(&osb->osb_lock);
}

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 24ab735d91dd..8216550faf45 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -92,7 +92,7 @@ struct mount_options
unsigned long commit_interval;
unsigned long mount_opt;
unsigned int atime_quantum;
- signed short slot;
+ unsigned short slot;
int localalloc_opt;
unsigned int resv_level;
int dir_resv_level;
@@ -1369,7 +1369,7 @@ static int ocfs2_parse_options(struct super_block *sb,
goto bail;
}
if (option)
- mopt->slot = (s16)option;
+ mopt->slot = (u16)option;
break;
case Opt_commit:
if (match_int(&args[0], &option)) {
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 6440003f8ddc..e3f3a0df6027 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -99,7 +99,7 @@ static struct inode *ufs_nfs_get_inode(struct super_block *sb, u64 ino, u32 gene
struct ufs_sb_private_info *uspi = UFS_SB(sb)->s_uspi;
struct inode *inode;

- if (ino < UFS_ROOTINO || ino > uspi->s_ncg * uspi->s_ipg)
+ if (ino < UFS_ROOTINO || ino > (u64)uspi->s_ncg * uspi->s_ipg)
return ERR_PTR(-ESTALE);

inode = ufs_iget(sb, ino);
diff --git a/fs/xattr.c b/fs/xattr.c
index 50029811fbe3..94f9559ba0f8 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -204,10 +204,22 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name,
return error;
}

-
+/**
+ * __vfs_setxattr_locked: set an extended attribute while holding the inode
+ * lock
+ *
+ * @dentry - object to perform setxattr on
+ * @name - xattr name to set
+ * @value - value to set @name to
+ * @size - size of @value
+ * @flags - flags to pass into filesystem operations
+ * @delegated_inode - on return, will contain an inode pointer that
+ * a delegation was broken on, NULL if none.
+ */
int
-vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags)
+__vfs_setxattr_locked(struct dentry *dentry, const char *name,
+ const void *value, size_t size, int flags,
+ struct inode **delegated_inode)
{
struct inode *inode = dentry->d_inode;
int error;
@@ -216,15 +228,40 @@ vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
if (error)
return error;

- inode_lock(inode);
error = security_inode_setxattr(dentry, name, value, size, flags);
if (error)
goto out;

+ error = try_break_deleg(inode, delegated_inode);
+ if (error)
+ goto out;
+
error = __vfs_setxattr_noperm(dentry, name, value, size, flags);

out:
+ return error;
+}
+EXPORT_SYMBOL_GPL(__vfs_setxattr_locked);
+
+int
+vfs_setxattr(struct dentry *dentry, const char *name, const void *value,
+ size_t size, int flags)
+{
+ struct inode *inode = dentry->d_inode;
+ struct inode *delegated_inode = NULL;
+ int error;
+
+retry_deleg:
+ inode_lock(inode);
+ error = __vfs_setxattr_locked(dentry, name, value, size, flags,
+ &delegated_inode);
inode_unlock(inode);
+
+ if (delegated_inode) {
+ error = break_deleg_wait(&delegated_inode);
+ if (!error)
+ goto retry_deleg;
+ }
return error;
}
EXPORT_SYMBOL_GPL(vfs_setxattr);
@@ -380,8 +417,18 @@ __vfs_removexattr(struct dentry *dentry, const char *name)
}
EXPORT_SYMBOL(__vfs_removexattr);

+/**
+ * __vfs_removexattr_locked: set an extended attribute while holding the inode
+ * lock
+ *
+ * @dentry - object to perform setxattr on
+ * @name - name of xattr to remove
+ * @delegated_inode - on return, will contain an inode pointer that
+ * a delegation was broken on, NULL if none.
+ */
int
-vfs_removexattr(struct dentry *dentry, const char *name)
+__vfs_removexattr_locked(struct dentry *dentry, const char *name,
+ struct inode **delegated_inode)
{
struct inode *inode = dentry->d_inode;
int error;
@@ -390,11 +437,14 @@ vfs_removexattr(struct dentry *dentry, const char *name)
if (error)
return error;

- inode_lock(inode);
error = security_inode_removexattr(dentry, name);
if (error)
goto out;

+ error = try_break_deleg(inode, delegated_inode);
+ if (error)
+ goto out;
+
error = __vfs_removexattr(dentry, name);

if (!error) {
@@ -403,12 +453,32 @@ vfs_removexattr(struct dentry *dentry, const char *name)
}

out:
+ return error;
+}
+EXPORT_SYMBOL_GPL(__vfs_removexattr_locked);
+
+int
+vfs_removexattr(struct dentry *dentry, const char *name)
+{
+ struct inode *inode = dentry->d_inode;
+ struct inode *delegated_inode = NULL;
+ int error;
+
+retry_deleg:
+ inode_lock(inode);
+ error = __vfs_removexattr_locked(dentry, name, &delegated_inode);
inode_unlock(inode);
+
+ if (delegated_inode) {
+ error = break_deleg_wait(&delegated_inode);
+ if (!error)
+ goto retry_deleg;
+ }
+
return error;
}
EXPORT_SYMBOL_GPL(vfs_removexattr);

-
/*
* Extended attribute SET operations
*/
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index db7f9fdd20a3..4d37f1b59436 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -1076,6 +1076,7 @@ xfs_reflink_remap_extent(
xfs_filblks_t rlen;
xfs_filblks_t unmap_len;
xfs_off_t newlen;
+ int64_t qres;
int error;

unmap_len = irec->br_startoff + irec->br_blockcount - destoff;
@@ -1098,13 +1099,19 @@ xfs_reflink_remap_extent(
xfs_ilock(ip, XFS_ILOCK_EXCL);
xfs_trans_ijoin(tp, ip, 0);

- /* If we're not just clearing space, then do we have enough quota? */
- if (real_extent) {
- error = xfs_trans_reserve_quota_nblks(tp, ip,
- irec->br_blockcount, 0, XFS_QMOPT_RES_REGBLKS);
- if (error)
- goto out_cancel;
- }
+ /*
+ * Reserve quota for this operation. We don't know if the first unmap
+ * in the dest file will cause a bmap btree split, so we always reserve
+ * at least enough blocks for that split. If the extent being mapped
+ * in is written, we need to reserve quota for that too.
+ */
+ qres = XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK);
+ if (real_extent)
+ qres += irec->br_blockcount;
+ error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0,
+ XFS_QMOPT_RES_REGBLKS);
+ if (error)
+ goto out_cancel;

trace_xfs_reflink_remap(ip, irec->br_startoff,
irec->br_blockcount, irec->br_startblock);
diff --git a/include/linux/bitfield.h b/include/linux/bitfield.h
index f2deb71958b2..a0675db325e0 100644
--- a/include/linux/bitfield.h
+++ b/include/linux/bitfield.h
@@ -71,7 +71,7 @@
*/
#define FIELD_FIT(_mask, _val) \
({ \
- __BF_FIELD_CHECK(_mask, 0ULL, _val, "FIELD_FIT: "); \
+ __BF_FIELD_CHECK(_mask, 0ULL, 0ULL, "FIELD_FIT: "); \
!((((typeof(_mask))_val) << __bf_shf(_mask)) & ~(_mask)); \
})

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index 8d3ca6da3342..63cd81e5610d 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -422,6 +422,8 @@ enum vmbus_channel_message_type {
CHANNELMSG_19 = 19,
CHANNELMSG_20 = 20,
CHANNELMSG_TL_CONNECT_REQUEST = 21,
+ CHANNELMSG_22 = 22,
+ CHANNELMSG_TL_CONNECT_RESULT = 23,
CHANNELMSG_COUNT
};

diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 4def15c32a01..d2364ba99f6c 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -304,8 +304,8 @@ enum {

#define QI_DEV_EIOTLB_ADDR(a) ((u64)(a) & VTD_PAGE_MASK)
#define QI_DEV_EIOTLB_SIZE (((u64)1) << 11)
-#define QI_DEV_EIOTLB_GLOB(g) ((u64)g)
-#define QI_DEV_EIOTLB_PASID(p) (((u64)p) << 32)
+#define QI_DEV_EIOTLB_GLOB(g) ((u64)(g) & 0x1)
+#define QI_DEV_EIOTLB_PASID(p) ((u64)((p) & 0xfffff) << 32)
#define QI_DEV_EIOTLB_SID(sid) ((u64)((sid) & 0xffff) << 16)
#define QI_DEV_EIOTLB_QDEP(qd) ((u64)((qd) & 0x1f) << 4)
#define QI_DEV_EIOTLB_PFSID(pfsid) (((u64)(pfsid & 0xf) << 12) | \
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 0d53626405bf..c08758a63d26 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -212,6 +212,8 @@ struct irq_data {
* mask. Applies only to affinity managed irqs.
* IRQD_SINGLE_TARGET - IRQ allows only a single affinity target
* IRQD_DEFAULT_TRIGGER_SET - Expected trigger already been set
+ * IRQD_AFFINITY_ON_ACTIVATE - Affinity is set on activation. Don't call
+ * irq_chip::irq_set_affinity() when deactivated.
*/
enum {
IRQD_TRIGGER_MASK = 0xf,
@@ -233,6 +235,7 @@ enum {
IRQD_MANAGED_SHUTDOWN = (1 << 23),
IRQD_SINGLE_TARGET = (1 << 24),
IRQD_DEFAULT_TRIGGER_SET = (1 << 25),
+ IRQD_AFFINITY_ON_ACTIVATE = (1 << 29),
};

#define __irqd_to_state(d) ACCESS_PRIVATE((d)->common, state_use_accessors)
@@ -377,6 +380,15 @@ static inline bool irqd_is_managed_and_shutdown(struct irq_data *d)
return __irqd_to_state(d) & IRQD_MANAGED_SHUTDOWN;
}

+static inline void irqd_set_affinity_on_activate(struct irq_data *d)
+{
+ __irqd_to_state(d) |= IRQD_AFFINITY_ON_ACTIVATE;
+}
+
+static inline bool irqd_affinity_on_activate(struct irq_data *d)
+{
+ return __irqd_to_state(d) & IRQD_AFFINITY_ON_ACTIVATE;
+}
#undef __irqd_to_state

static inline irq_hw_number_t irqd_to_hwirq(struct irq_data *d)
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index a26ffbe09e71..06cb9184a42a 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -318,7 +318,7 @@ extern void syscall_unregfunc(void);
static const char *___tp_str __tracepoint_string = str; \
___tp_str; \
})
-#define __tracepoint_string __attribute__((section("__tracepoint_str")))
+#define __tracepoint_string __attribute__((section("__tracepoint_str"), used))
#else
/*
* tracepoint_string() is used to save the string address for userspace
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index d70f77a4b62a..b0945fb7242f 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -52,8 +52,10 @@ ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t);
ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size);
int __vfs_setxattr(struct dentry *, struct inode *, const char *, const void *, size_t, int);
int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int);
+int __vfs_setxattr_locked(struct dentry *, const char *, const void *, size_t, int, struct inode **);
int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int);
int __vfs_removexattr(struct dentry *, const char *);
+int __vfs_removexattr_locked(struct dentry *, const char *, struct inode **);
int vfs_removexattr(struct dentry *, const char *);

ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index f30ee99a1d72..a4cda4768210 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -270,6 +270,7 @@ int ipv6_sock_ac_join(struct sock *sk, int ifindex,
const struct in6_addr *addr);
int ipv6_sock_ac_drop(struct sock *sk, int ifindex,
const struct in6_addr *addr);
+void __ipv6_sock_ac_close(struct sock *sk);
void ipv6_sock_ac_close(struct sock *sk);

int __ipv6_dev_ac_inc(struct inet6_dev *idev, const struct in6_addr *addr);
diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h
index 13e4c89a8231..ceab3a5dd530 100644
--- a/include/net/inet_connection_sock.h
+++ b/include/net/inet_connection_sock.h
@@ -321,5 +321,9 @@ int inet_csk_compat_getsockopt(struct sock *sk, int level, int optname,
int inet_csk_compat_setsockopt(struct sock *sk, int level, int optname,
char __user *optval, unsigned int optlen);

+/* update the fast reuse flag when adding a socket */
+void inet_csk_update_fastreuse(struct inet_bind_bucket *tb,
+ struct sock *sk);
+
struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
#endif /* _INET_CONNECTION_SOCK_H */
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index f4e5ac8aa366..1fb79c78e200 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -1607,18 +1607,16 @@ static inline void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp)
}
#endif /* CONFIG_IP_VS_NFCT */

-/* Really using conntrack? */
-static inline bool ip_vs_conn_uses_conntrack(struct ip_vs_conn *cp,
- struct sk_buff *skb)
+/* Using old conntrack that can not be redirected to another real server? */
+static inline bool ip_vs_conn_uses_old_conntrack(struct ip_vs_conn *cp,
+ struct sk_buff *skb)
{
#ifdef CONFIG_IP_VS_NFCT
enum ip_conntrack_info ctinfo;
struct nf_conn *ct;

- if (!(cp->flags & IP_VS_CONN_F_NFCT))
- return false;
ct = nf_ct_get(skb, &ctinfo);
- if (ct)
+ if (ct && nf_ct_is_confirmed(ct))
return true;
#endif
return false;
diff --git a/include/net/sock.h b/include/net/sock.h
index a2e10d0b1280..55d16db84ea4 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -816,6 +816,8 @@ static inline int sk_memalloc_socks(void)
{
return static_key_false(&memalloc_socks);
}
+
+void __receive_sock(struct file *file);
#else

static inline int sk_memalloc_socks(void)
@@ -823,6 +825,8 @@ static inline int sk_memalloc_socks(void)
return 0;
}

+static inline void __receive_sock(struct file *file)
+{ }
#endif

static inline gfp_t sk_gfp_mask(const struct sock *sk, gfp_t gfp_mask)
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index a2fed8fbd2bd..ada060e628ce 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -5827,6 +5827,8 @@ void cgroup_sk_clone(struct sock_cgroup_data *skcd)
{
/* Socket clone path */
if (skcd->val) {
+ if (skcd->no_refcnt)
+ return;
/*
* We might be cloning a socket which is left in an empty
* cgroup and the cgroup might have already been rmdir'd.
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5277949e82e0..3193be58805c 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -168,9 +168,9 @@ void irq_set_thread_affinity(struct irq_desc *desc)
set_bit(IRQTF_AFFINITY, &action->thread_flags);
}

+#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK
static void irq_validate_effective_affinity(struct irq_data *data)
{
-#ifdef CONFIG_GENERIC_IRQ_EFFECTIVE_AFF_MASK
const struct cpumask *m = irq_data_get_effective_affinity_mask(data);
struct irq_chip *chip = irq_data_get_irq_chip(data);

@@ -178,9 +178,19 @@ static void irq_validate_effective_affinity(struct irq_data *data)
return;
pr_warn_once("irq_chip %s did not update eff. affinity mask of irq %u\n",
chip->name, data->irq);
-#endif
}

+static inline void irq_init_effective_affinity(struct irq_data *data,
+ const struct cpumask *mask)
+{
+ cpumask_copy(irq_data_get_effective_affinity_mask(data), mask);
+}
+#else
+static inline void irq_validate_effective_affinity(struct irq_data *data) { }
+static inline void irq_init_effective_affinity(struct irq_data *data,
+ const struct cpumask *mask) { }
+#endif
+
int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
bool force)
{
@@ -205,6 +215,30 @@ int irq_do_set_affinity(struct irq_data *data, const struct cpumask *mask,
return ret;
}

+static bool irq_set_affinity_deactivated(struct irq_data *data,
+ const struct cpumask *mask, bool force)
+{
+ struct irq_desc *desc = irq_data_to_desc(data);
+
+ /*
+ * Handle irq chips which can handle affinity only in activated
+ * state correctly
+ *
+ * If the interrupt is not yet activated, just store the affinity
+ * mask and do not call the chip driver at all. On activation the
+ * driver has to make sure anyway that the interrupt is in a
+ * useable state so startup works.
+ */
+ if (!IS_ENABLED(CONFIG_IRQ_DOMAIN_HIERARCHY) ||
+ irqd_is_activated(data) || !irqd_affinity_on_activate(data))
+ return false;
+
+ cpumask_copy(desc->irq_common_data.affinity, mask);
+ irq_init_effective_affinity(data, mask);
+ irqd_set(data, IRQD_AFFINITY_SET);
+ return true;
+}
+
int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
bool force)
{
@@ -215,6 +249,9 @@ int irq_set_affinity_locked(struct irq_data *data, const struct cpumask *mask,
if (!chip || !chip->irq_set_affinity)
return -EINVAL;

+ if (irq_set_affinity_deactivated(data, mask, force))
+ return 0;
+
if (irq_can_move_pcntxt(data)) {
ret = irq_do_set_affinity(data, mask, force);
} else {
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index f2d2194b51ca..7b3a5c35904a 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -2134,6 +2134,13 @@ static void kill_kprobe(struct kprobe *p)
* the original probed function (which will be freed soon) any more.
*/
arch_remove_kprobe(p);
+
+ /*
+ * The module is going away. We should disarm the kprobe which
+ * is using ftrace.
+ */
+ if (kprobe_ftrace(p))
+ disarm_kprobe_ftrace(p);
}

/* Disable one kprobe */
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 867d173dab48..152ffe0c2433 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1117,7 +1117,7 @@ sd_init(struct sched_domain_topology_level *tl,
sd_flags = (*tl->sd_flags)();
if (WARN_ONCE(sd_flags & ~TOPOLOGY_SD_FLAGS,
"wrong sd_flags in topology description\n"))
- sd_flags &= ~TOPOLOGY_SD_FLAGS;
+ sd_flags &= TOPOLOGY_SD_FLAGS;

*sd = (struct sched_domain){
.min_interval = sd_weight,
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 8a8d92a8045b..7cbfccd2fb03 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -5721,8 +5721,11 @@ static int referenced_filters(struct dyn_ftrace *rec)
int cnt = 0;

for (ops = ftrace_ops_list; ops != &ftrace_list_end; ops = ops->next) {
- if (ops_references_rec(ops, rec))
- cnt++;
+ if (ops_references_rec(ops, rec)) {
+ cnt++;
+ if (ops->flags & FTRACE_OPS_FL_SAVE_REGS)
+ rec->flags |= FTRACE_FL_REGS;
+ }
}

return cnt;
@@ -5871,8 +5874,8 @@ void ftrace_module_enable(struct module *mod)
if (ftrace_start_up)
cnt += referenced_filters(rec);

- /* This clears FTRACE_FL_DISABLED */
- rec->flags = cnt;
+ rec->flags &= ~FTRACE_FL_DISABLED;
+ rec->flags += cnt;

if (ftrace_start_up && cnt) {
int failed = __ftrace_replace_code(rec, 1);
@@ -6239,12 +6242,12 @@ void ftrace_pid_follow_fork(struct trace_array *tr, bool enable)
if (enable) {
register_trace_sched_process_fork(ftrace_pid_follow_sched_process_fork,
tr);
- register_trace_sched_process_exit(ftrace_pid_follow_sched_process_exit,
+ register_trace_sched_process_free(ftrace_pid_follow_sched_process_exit,
tr);
} else {
unregister_trace_sched_process_fork(ftrace_pid_follow_sched_process_fork,
tr);
- unregister_trace_sched_process_exit(ftrace_pid_follow_sched_process_exit,
+ unregister_trace_sched_process_free(ftrace_pid_follow_sched_process_exit,
tr);
}
}
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 421166a39253..e72a44ecb81d 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -533,12 +533,12 @@ void trace_event_follow_fork(struct trace_array *tr, bool enable)
if (enable) {
register_trace_prio_sched_process_fork(event_filter_pid_sched_process_fork,
tr, INT_MIN);
- register_trace_prio_sched_process_exit(event_filter_pid_sched_process_exit,
+ register_trace_prio_sched_process_free(event_filter_pid_sched_process_exit,
tr, INT_MAX);
} else {
unregister_trace_sched_process_fork(event_filter_pid_sched_process_fork,
tr);
- unregister_trace_sched_process_exit(event_filter_pid_sched_process_exit,
+ unregister_trace_sched_process_free(event_filter_pid_sched_process_exit,
tr);
}
}
diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index bff6c033d70e..64a98a5bb641 100644
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -272,6 +272,7 @@ static bool disable_migrate;
static void move_to_next_cpu(void)
{
struct cpumask *current_mask = &save_cpumask;
+ struct trace_array *tr = hwlat_trace;
int next_cpu;

if (disable_migrate)
@@ -285,7 +286,7 @@ static void move_to_next_cpu(void)
goto disable;

get_online_cpus();
- cpumask_and(current_mask, cpu_online_mask, tracing_buffer_mask);
+ cpumask_and(current_mask, cpu_online_mask, tr->tracing_cpumask);
next_cpu = cpumask_next(smp_processor_id(), current_mask);
put_online_cpus();

@@ -359,7 +360,7 @@ static int start_kthread(struct trace_array *tr)
/* Just pick the first CPU on first iteration */
current_mask = &save_cpumask;
get_online_cpus();
- cpumask_and(current_mask, cpu_online_mask, tracing_buffer_mask);
+ cpumask_and(current_mask, cpu_online_mask, tr->tracing_cpumask);
put_online_cpus();
next_cpu = cpumask_first(current_mask);

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index c7c96bc7654a..91c451e0f474 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -85,22 +85,22 @@ static struct { unsigned flag:8; char opt_char; } opt_array[] = {
{ _DPRINTK_FLAGS_NONE, '_' },
};

+struct flagsbuf { char buf[ARRAY_SIZE(opt_array)+1]; };
+
/* format a string into buf[] which describes the _ddebug's flags */
-static char *ddebug_describe_flags(struct _ddebug *dp, char *buf,
- size_t maxlen)
+static char *ddebug_describe_flags(unsigned int flags, struct flagsbuf *fb)
{
- char *p = buf;
+ char *p = fb->buf;
int i;

- BUG_ON(maxlen < 6);
for (i = 0; i < ARRAY_SIZE(opt_array); ++i)
- if (dp->flags & opt_array[i].flag)
+ if (flags & opt_array[i].flag)
*p++ = opt_array[i].opt_char;
- if (p == buf)
+ if (p == fb->buf)
*p++ = '_';
*p = '\0';

- return buf;
+ return fb->buf;
}

#define vpr_info(fmt, ...) \
@@ -142,7 +142,7 @@ static int ddebug_change(const struct ddebug_query *query,
struct ddebug_table *dt;
unsigned int newflags;
unsigned int nfound = 0;
- char flagbuf[10];
+ struct flagsbuf fbuf;

/* search for matching ddebugs */
mutex_lock(&ddebug_lock);
@@ -199,8 +199,7 @@ static int ddebug_change(const struct ddebug_query *query,
vpr_info("changed %s:%d [%s]%s =%s\n",
trim_prefix(dp->filename), dp->lineno,
dt->mod_name, dp->function,
- ddebug_describe_flags(dp, flagbuf,
- sizeof(flagbuf)));
+ ddebug_describe_flags(dp->flags, &fbuf));
}
}
mutex_unlock(&ddebug_lock);
@@ -779,7 +778,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
{
struct ddebug_iter *iter = m->private;
struct _ddebug *dp = p;
- char flagsbuf[10];
+ struct flagsbuf flags;

vpr_info("called m=%p p=%p\n", m, p);

@@ -792,7 +791,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
seq_printf(m, "%s:%u [%s]%s =%s \"",
trim_prefix(dp->filename), dp->lineno,
iter->table->mod_name, dp->function,
- ddebug_describe_flags(dp, flagsbuf, sizeof(flagsbuf)));
+ ddebug_describe_flags(dp->flags, &flags));
seq_escape(m, dp->format, "\t\r\n\"");
seq_puts(m, "\"\n");

diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index cf619795a182..c0ce0156d54b 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -747,7 +747,7 @@ static int trigger_config_run_type(struct kmod_test_device *test_dev,
break;
case TEST_KMOD_FS_TYPE:
kfree_const(config->test_fs);
- config->test_driver = NULL;
+ config->test_fs = NULL;
copied = config_copy_test_fs(config, test_str,
strlen(test_str));
break;
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index acf66c5dc9bd..04b4c38d0c18 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1252,6 +1252,7 @@ static void collect_mm_slot(struct mm_slot *mm_slot)
static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
{
struct vm_area_struct *vma;
+ struct mm_struct *mm;
unsigned long addr;
pmd_t *pmd, _pmd;

@@ -1265,7 +1266,8 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
continue;
if (vma->vm_end < addr + HPAGE_PMD_SIZE)
continue;
- pmd = mm_find_pmd(vma->vm_mm, addr);
+ mm = vma->vm_mm;
+ pmd = mm_find_pmd(mm, addr);
if (!pmd)
continue;
/*
@@ -1274,14 +1276,16 @@ static void retract_page_tables(struct address_space *mapping, pgoff_t pgoff)
* re-fault. Not ideal, but it's more important to not disturb
* the system too much.
*/
- if (down_write_trylock(&vma->vm_mm->mmap_sem)) {
- spinlock_t *ptl = pmd_lock(vma->vm_mm, pmd);
- /* assume page table is clear */
- _pmd = pmdp_collapse_flush(vma, addr, pmd);
- spin_unlock(ptl);
- up_write(&vma->vm_mm->mmap_sem);
- atomic_long_dec(&vma->vm_mm->nr_ptes);
- pte_free(vma->vm_mm, pmd_pgtable(_pmd));
+ if (down_write_trylock(&mm->mmap_sem)) {
+ if (!khugepaged_test_exit(mm)) {
+ spinlock_t *ptl = pmd_lock(mm, pmd);
+ /* assume page table is clear */
+ _pmd = pmdp_collapse_flush(vma, addr, pmd);
+ spin_unlock(ptl);
+ atomic_long_dec(&mm->nr_ptes);
+ pte_free(mm, pmd_pgtable(_pmd));
+ }
+ up_write(&mm->mmap_sem);
}
}
i_mmap_unlock_write(mapping);
diff --git a/mm/mmap.c b/mm/mmap.c
index 8c6ed06983f9..724b7c4f1a5b 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -3065,6 +3065,7 @@ void exit_mmap(struct mm_struct *mm)
if (vma->vm_flags & VM_ACCOUNT)
nr_accounted += vma_pages(vma);
vma = remove_vma(vma);
+ cond_resched();
}
vm_unacct_memory(nr_accounted);
}
diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c
index 32de8afbfbf8..9f020559c192 100644
--- a/net/9p/trans_fd.c
+++ b/net/9p/trans_fd.c
@@ -829,20 +829,28 @@ static int p9_fd_open(struct p9_client *client, int rfd, int wfd)
return -ENOMEM;

ts->rd = fget(rfd);
+ if (!ts->rd)
+ goto out_free_ts;
+ if (!(ts->rd->f_mode & FMODE_READ))
+ goto out_put_rd;
ts->wr = fget(wfd);
- if (!ts->rd || !ts->wr) {
- if (ts->rd)
- fput(ts->rd);
- if (ts->wr)
- fput(ts->wr);
- kfree(ts);
- return -EIO;
- }
+ if (!ts->wr)
+ goto out_put_rd;
+ if (!(ts->wr->f_mode & FMODE_WRITE))
+ goto out_put_wr;

client->trans = ts;
client->status = Connected;

return 0;
+
+out_put_wr:
+ fput(ts->wr);
+out_put_rd:
+ fput(ts->rd);
+out_free_ts:
+ kfree(ts);
+ return -EIO;
}

static int p9_socket_open(struct p9_client *client, struct socket *csocket)
diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c
index 357475cceec6..9a75f9b00b51 100644
--- a/net/bluetooth/6lowpan.c
+++ b/net/bluetooth/6lowpan.c
@@ -57,6 +57,7 @@ static bool enable_6lowpan;
/* We are listening incoming connections via this channel
*/
static struct l2cap_chan *listen_chan;
+static DEFINE_MUTEX(set_lock);

struct lowpan_peer {
struct list_head list;
@@ -1082,12 +1083,14 @@ static void do_enable_set(struct work_struct *work)

enable_6lowpan = set_enable->flag;

+ mutex_lock(&set_lock);
if (listen_chan) {
l2cap_chan_close(listen_chan, 0);
l2cap_chan_put(listen_chan);
}

listen_chan = bt_6lowpan_listen();
+ mutex_unlock(&set_lock);

kfree(set_enable);
}
@@ -1139,11 +1142,13 @@ static ssize_t lowpan_control_write(struct file *fp,
if (ret == -EINVAL)
return ret;

+ mutex_lock(&set_lock);
if (listen_chan) {
l2cap_chan_close(listen_chan, 0);
l2cap_chan_put(listen_chan);
listen_chan = NULL;
}
+ mutex_unlock(&set_lock);

if (conn) {
struct lowpan_peer *peer;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 56e4ae7d7f63..70b8e2de40cf 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2094,7 +2094,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)

BT_DBG("%s num_rsp %d", hdev->name, num_rsp);

- if (!num_rsp)
+ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
return;

if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
@@ -3623,6 +3623,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
struct inquiry_info_with_rssi_and_pscan_mode *info;
info = (void *) (skb->data + 1);

+ if (skb->len < num_rsp * sizeof(*info) + 1)
+ goto unlock;
+
for (; num_rsp; num_rsp--, info++) {
u32 flags;

@@ -3644,6 +3647,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
} else {
struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);

+ if (skb->len < num_rsp * sizeof(*info) + 1)
+ goto unlock;
+
for (; num_rsp; num_rsp--, info++) {
u32 flags;

@@ -3664,6 +3670,7 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
}
}

+unlock:
hci_dev_unlock(hdev);
}

@@ -3826,7 +3833,7 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,

BT_DBG("%s num_rsp %d", hdev->name, num_rsp);

- if (!num_rsp)
+ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
return;

if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
diff --git a/net/compat.c b/net/compat.c
index 790851e70dab..45349658ed01 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -289,6 +289,7 @@ void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm)
break;
}
/* Bump the usage count and install the file. */
+ __receive_sock(fp[i]);
fd_install(new_fd, get_file(fp[i]));
}

diff --git a/net/core/sock.c b/net/core/sock.c
index af1201676abc..3b65fedf77ca 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2563,6 +2563,27 @@ int sock_no_mmap(struct file *file, struct socket *sock, struct vm_area_struct *
}
EXPORT_SYMBOL(sock_no_mmap);

+/*
+ * When a file is received (via SCM_RIGHTS, etc), we must bump the
+ * various sock-based usage counts.
+ */
+void __receive_sock(struct file *file)
+{
+ struct socket *sock;
+ int error;
+
+ /*
+ * The resulting value of "error" is ignored here since we only
+ * need to take action when the file is a socket and testing
+ * "sock" for NULL is sufficient.
+ */
+ sock = sock_from_file(file, &error);
+ if (sock) {
+ sock_update_netprioidx(&sock->sk->sk_cgrp_data);
+ sock_update_classid(&sock->sk->sk_cgrp_data);
+ }
+}
+
ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags)
{
ssize_t res;
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 3f9509679f0e..0c8fcc050ad2 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -1729,7 +1729,7 @@ struct fib_table *fib_trie_unmerge(struct fib_table *oldtb)
while ((l = leaf_walk_rcu(&tp, key)) != NULL) {
struct key_vector *local_l = NULL, *local_tp;

- hlist_for_each_entry_rcu(fa, &l->leaf, fa_list) {
+ hlist_for_each_entry(fa, &l->leaf, fa_list) {
struct fib_alias *new_fa;

if (local_tb->tb_id != fa->tb_id)
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index 6a7d980105f6..095c30863745 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -19,12 +19,12 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
netdev_features_t features)
{
int tnl_hlen = skb_inner_mac_header(skb) - skb_transport_header(skb);
+ bool need_csum, need_recompute_csum, gso_partial;
struct sk_buff *segs = ERR_PTR(-EINVAL);
u16 mac_offset = skb->mac_header;
__be16 protocol = skb->protocol;
u16 mac_len = skb->mac_len;
int gre_offset, outer_hlen;
- bool need_csum, gso_partial;

if (!skb->encapsulation)
goto out;
@@ -45,6 +45,7 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
skb->protocol = skb->inner_protocol;

need_csum = !!(skb_shinfo(skb)->gso_type & SKB_GSO_GRE_CSUM);
+ need_recompute_csum = skb->csum_not_inet;
skb->encap_hdr_csum = need_csum;

features &= skb->dev->hw_enc_features;
@@ -102,7 +103,15 @@ static struct sk_buff *gre_gso_segment(struct sk_buff *skb,
}

*(pcsum + 1) = 0;
- *pcsum = gso_make_checksum(skb, 0);
+ if (need_recompute_csum && !skb_is_gso(skb)) {
+ __wsum csum;
+
+ csum = skb_checksum(skb, gre_offset,
+ skb->len - gre_offset, 0);
+ *pcsum = csum_fold(csum);
+ } else {
+ *pcsum = gso_make_checksum(skb, 0);
+ }
} while ((skb = skb->next));
out:
return segs;
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 7826fba34b14..08ba0f91f2ab 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -276,51 +276,12 @@ static inline int sk_reuseport_match(struct inet_bind_bucket *tb,
ipv6_only_sock(sk), true);
}

-/* Obtain a reference to a local port for the given sock,
- * if snum is zero it means select any available local port.
- * We try to allocate an odd port (and leave even ports for connect())
- */
-int inet_csk_get_port(struct sock *sk, unsigned short snum)
+void inet_csk_update_fastreuse(struct inet_bind_bucket *tb,
+ struct sock *sk)
{
- bool reuse = sk->sk_reuse && sk->sk_state != TCP_LISTEN;
- struct inet_hashinfo *hinfo = sk->sk_prot->h.hashinfo;
- int ret = 1, port = snum;
- struct inet_bind_hashbucket *head;
- struct net *net = sock_net(sk);
- struct inet_bind_bucket *tb = NULL;
kuid_t uid = sock_i_uid(sk);
+ bool reuse = sk->sk_reuse && sk->sk_state != TCP_LISTEN;

- if (!port) {
- head = inet_csk_find_open_port(sk, &tb, &port);
- if (!head)
- return ret;
- if (!tb)
- goto tb_not_found;
- goto success;
- }
- head = &hinfo->bhash[inet_bhashfn(net, port,
- hinfo->bhash_size)];
- spin_lock_bh(&head->lock);
- inet_bind_bucket_for_each(tb, &head->chain)
- if (net_eq(ib_net(tb), net) && tb->port == port)
- goto tb_found;
-tb_not_found:
- tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
- net, head, port);
- if (!tb)
- goto fail_unlock;
-tb_found:
- if (!hlist_empty(&tb->owners)) {
- if (sk->sk_reuse == SK_FORCE_REUSE)
- goto success;
-
- if ((tb->fastreuse > 0 && reuse) ||
- sk_reuseport_match(tb, sk))
- goto success;
- if (inet_csk_bind_conflict(sk, tb, true, true))
- goto fail_unlock;
- }
-success:
if (hlist_empty(&tb->owners)) {
tb->fastreuse = reuse;
if (sk->sk_reuseport) {
@@ -364,6 +325,54 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum)
tb->fastreuseport = 0;
}
}
+}
+
+/* Obtain a reference to a local port for the given sock,
+ * if snum is zero it means select any available local port.
+ * We try to allocate an odd port (and leave even ports for connect())
+ */
+int inet_csk_get_port(struct sock *sk, unsigned short snum)
+{
+ bool reuse = sk->sk_reuse && sk->sk_state != TCP_LISTEN;
+ struct inet_hashinfo *hinfo = sk->sk_prot->h.hashinfo;
+ int ret = 1, port = snum;
+ struct inet_bind_hashbucket *head;
+ struct net *net = sock_net(sk);
+ struct inet_bind_bucket *tb = NULL;
+
+ if (!port) {
+ head = inet_csk_find_open_port(sk, &tb, &port);
+ if (!head)
+ return ret;
+ if (!tb)
+ goto tb_not_found;
+ goto success;
+ }
+ head = &hinfo->bhash[inet_bhashfn(net, port,
+ hinfo->bhash_size)];
+ spin_lock_bh(&head->lock);
+ inet_bind_bucket_for_each(tb, &head->chain)
+ if (net_eq(ib_net(tb), net) && tb->port == port)
+ goto tb_found;
+tb_not_found:
+ tb = inet_bind_bucket_create(hinfo->bind_bucket_cachep,
+ net, head, port);
+ if (!tb)
+ goto fail_unlock;
+tb_found:
+ if (!hlist_empty(&tb->owners)) {
+ if (sk->sk_reuse == SK_FORCE_REUSE)
+ goto success;
+
+ if ((tb->fastreuse > 0 && reuse) ||
+ sk_reuseport_match(tb, sk))
+ goto success;
+ if (inet_csk_bind_conflict(sk, tb, true, true))
+ goto fail_unlock;
+ }
+success:
+ inet_csk_update_fastreuse(tb, sk);
+
if (!inet_csk(sk)->icsk_bind_hash)
inet_bind_hash(sk, tb, port);
WARN_ON(inet_csk(sk)->icsk_bind_hash != tb);
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index 0af13f5bdc9a..8a54babf5c90 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -160,6 +160,7 @@ int __inet_inherit_port(const struct sock *sk, struct sock *child)
return -ENOMEM;
}
}
+ inet_csk_update_fastreuse(tb, child);
}
inet_bind_hash(child, tb, port);
spin_unlock(&head->lock);
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index 0bbab8a4b5d8..4d8b3d1d530b 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -170,7 +170,7 @@ int ipv6_sock_ac_drop(struct sock *sk, int ifindex, const struct in6_addr *addr)
return 0;
}

-void ipv6_sock_ac_close(struct sock *sk)
+void __ipv6_sock_ac_close(struct sock *sk)
{
struct ipv6_pinfo *np = inet6_sk(sk);
struct net_device *dev = NULL;
@@ -178,10 +178,7 @@ void ipv6_sock_ac_close(struct sock *sk)
struct net *net = sock_net(sk);
int prev_index;

- if (!np->ipv6_ac_list)
- return;
-
- rtnl_lock();
+ ASSERT_RTNL();
pac = np->ipv6_ac_list;
np->ipv6_ac_list = NULL;

@@ -198,6 +195,16 @@ void ipv6_sock_ac_close(struct sock *sk)
sock_kfree_s(sk, pac, sizeof(*pac));
pac = next;
}
+}
+
+void ipv6_sock_ac_close(struct sock *sk)
+{
+ struct ipv6_pinfo *np = inet6_sk(sk);
+
+ if (!np->ipv6_ac_list)
+ return;
+ rtnl_lock();
+ __ipv6_sock_ac_close(sk);
rtnl_unlock();
}

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index c183222967d0..3f44316db51b 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -207,6 +207,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,

fl6_free_socklist(sk);
__ipv6_sock_mc_close(sk);
+ __ipv6_sock_ac_close(sk);

/*
* Sock is moving from IPv6 to IPv4 (sk_prot), so
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 77ab9cc1a230..6af5fda6461c 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -952,7 +952,7 @@ static void __sta_info_destroy_part2(struct sta_info *sta)
might_sleep();
lockdep_assert_held(&local->sta_mtx);

- while (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
+ if (sta->sta_state == IEEE80211_STA_AUTHORIZED) {
ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
WARN_ON_ONCE(ret);
}
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 2156571455db..a95fe5fe9f04 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -1916,14 +1916,14 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int

conn_reuse_mode = sysctl_conn_reuse_mode(ipvs);
if (conn_reuse_mode && !iph.fragoffs && is_new_conn(skb, &iph) && cp) {
- bool uses_ct = false, resched = false;
+ bool old_ct = false, resched = false;

if (unlikely(sysctl_expire_nodest_conn(ipvs)) && cp->dest &&
unlikely(!atomic_read(&cp->dest->weight))) {
resched = true;
- uses_ct = ip_vs_conn_uses_conntrack(cp, skb);
+ old_ct = ip_vs_conn_uses_old_conntrack(cp, skb);
} else if (is_new_conn_expected(cp, conn_reuse_mode)) {
- uses_ct = ip_vs_conn_uses_conntrack(cp, skb);
+ old_ct = ip_vs_conn_uses_old_conntrack(cp, skb);
if (!atomic_read(&cp->n_control)) {
resched = true;
} else {
@@ -1931,15 +1931,17 @@ ip_vs_in(struct netns_ipvs *ipvs, unsigned int hooknum, struct sk_buff *skb, int
* that uses conntrack while it is still
* referenced by controlled connection(s).
*/
- resched = !uses_ct;
+ resched = !old_ct;
}
}

if (resched) {
+ if (!old_ct)
+ cp->flags &= ~IP_VS_CONN_F_NFCT;
if (!atomic_read(&cp->n_control))
ip_vs_conn_expire_now(cp);
__ip_vs_conn_put(cp);
- if (uses_ct)
+ if (old_ct)
return NF_DROP;
cp = NULL;
}
diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c
index e2188deb08dc..b927730d9ab0 100644
--- a/net/nfc/rawsock.c
+++ b/net/nfc/rawsock.c
@@ -344,10 +344,13 @@ static int rawsock_create(struct net *net, struct socket *sock,
if ((sock->type != SOCK_SEQPACKET) && (sock->type != SOCK_RAW))
return -ESOCKTNOSUPPORT;

- if (sock->type == SOCK_RAW)
+ if (sock->type == SOCK_RAW) {
+ if (!capable(CAP_NET_RAW))
+ return -EPERM;
sock->ops = &rawsock_raw_ops;
- else
+ } else {
sock->ops = &rawsock_ops;
+ }

sk = sk_alloc(net, PF_NFC, GFP_ATOMIC, nfc_proto->proto, kern);
if (!sk)
diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c
index 737e37b28d93..a39ef1a048fd 100644
--- a/net/openvswitch/conntrack.c
+++ b/net/openvswitch/conntrack.c
@@ -255,10 +255,6 @@ void ovs_ct_fill_key(const struct sk_buff *skb, struct sw_flow_key *key)
ovs_ct_update_key(skb, NULL, key, false, false);
}

-#define IN6_ADDR_INITIALIZER(ADDR) \
- { (ADDR).s6_addr32[0], (ADDR).s6_addr32[1], \
- (ADDR).s6_addr32[2], (ADDR).s6_addr32[3] }
-
int ovs_ct_put_key(const struct sw_flow_key *swkey,
const struct sw_flow_key *output, struct sk_buff *skb)
{
@@ -280,24 +276,30 @@ int ovs_ct_put_key(const struct sw_flow_key *swkey,

if (swkey->ct_orig_proto) {
if (swkey->eth.type == htons(ETH_P_IP)) {
- struct ovs_key_ct_tuple_ipv4 orig = {
- output->ipv4.ct_orig.src,
- output->ipv4.ct_orig.dst,
- output->ct.orig_tp.src,
- output->ct.orig_tp.dst,
- output->ct_orig_proto,
- };
+ struct ovs_key_ct_tuple_ipv4 orig;
+
+ memset(&orig, 0, sizeof(orig));
+ orig.ipv4_src = output->ipv4.ct_orig.src;
+ orig.ipv4_dst = output->ipv4.ct_orig.dst;
+ orig.src_port = output->ct.orig_tp.src;
+ orig.dst_port = output->ct.orig_tp.dst;
+ orig.ipv4_proto = output->ct_orig_proto;
+
if (nla_put(skb, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV4,
sizeof(orig), &orig))
return -EMSGSIZE;
} else if (swkey->eth.type == htons(ETH_P_IPV6)) {
- struct ovs_key_ct_tuple_ipv6 orig = {
- IN6_ADDR_INITIALIZER(output->ipv6.ct_orig.src),
- IN6_ADDR_INITIALIZER(output->ipv6.ct_orig.dst),
- output->ct.orig_tp.src,
- output->ct.orig_tp.dst,
- output->ct_orig_proto,
- };
+ struct ovs_key_ct_tuple_ipv6 orig;
+
+ memset(&orig, 0, sizeof(orig));
+ memcpy(orig.ipv6_src, output->ipv6.ct_orig.src.s6_addr32,
+ sizeof(orig.ipv6_src));
+ memcpy(orig.ipv6_dst, output->ipv6.ct_orig.dst.s6_addr32,
+ sizeof(orig.ipv6_dst));
+ orig.src_port = output->ct.orig_tp.src;
+ orig.dst_port = output->ct.orig_tp.dst;
+ orig.ipv6_proto = output->ct_orig_proto;
+
if (nla_put(skb, OVS_KEY_ATTR_CT_ORIG_TUPLE_IPV6,
sizeof(orig), &orig))
return -EMSGSIZE;
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 102750bd751c..c2356611b3cb 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -989,6 +989,7 @@ static int prb_queue_frozen(struct tpacket_kbdq_core *pkc)
}

static void prb_clear_blk_fill_status(struct packet_ring_buffer *rb)
+ __releases(&pkc->blk_fill_in_prog_lock)
{
struct tpacket_kbdq_core *pkc = GET_PBDQC_FROM_RB(rb);
atomic_dec(&pkc->blk_fill_in_prog);
@@ -1036,6 +1037,7 @@ static void prb_fill_curr_block(char *curr,
struct tpacket_kbdq_core *pkc,
struct tpacket_block_desc *pbd,
unsigned int len)
+ __acquires(&pkc->blk_fill_in_prog_lock)
{
struct tpacket3_hdr *ppd;

@@ -2311,8 +2313,11 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
if (do_vnet &&
virtio_net_hdr_from_skb(skb, h.raw + macoff -
sizeof(struct virtio_net_hdr),
- vio_le(), true, 0))
+ vio_le(), true, 0)) {
+ if (po->tp_version == TPACKET_V3)
+ prb_clear_blk_fill_status(&po->rx_ring);
goto drop_n_account;
+ }

if (po->tp_version <= TPACKET_V2) {
packet_increment_rx_head(po, &po->rx_ring);
@@ -2418,7 +2423,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
__clear_bit(slot_id, po->rx_ring.rx_owner_map);
spin_unlock(&sk->sk_receive_queue.lock);
sk->sk_data_ready(sk);
- } else {
+ } else if (po->tp_version == TPACKET_V3) {
prb_clear_blk_fill_status(&po->rx_ring);
}

diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 7021725fa38a..1c98a026b41a 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -275,7 +275,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
*/
ret = rxrpc_connect_call(call, cp, srx, gfp);
if (ret < 0)
- goto error;
+ goto error_attached_to_socket;

trace_rxrpc_call(call, rxrpc_call_connected, atomic_read(&call->usage),
here, NULL);
@@ -295,18 +295,29 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
error_dup_user_ID:
write_unlock(&rx->call_lock);
release_sock(&rx->sk);
- ret = -EEXIST;
-
-error:
__rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
- RX_CALL_DEAD, ret);
+ RX_CALL_DEAD, -EEXIST);
trace_rxrpc_call(call, rxrpc_call_error, atomic_read(&call->usage),
- here, ERR_PTR(ret));
+ here, ERR_PTR(-EEXIST));
rxrpc_release_call(rx, call);
mutex_unlock(&call->user_mutex);
rxrpc_put_call(call, rxrpc_call_put);
- _leave(" = %d", ret);
- return ERR_PTR(ret);
+ _leave(" = -EEXIST");
+ return ERR_PTR(-EEXIST);
+
+ /* We got an error, but the call is attached to the socket and is in
+ * need of release. However, we might now race with recvmsg() when
+ * completing the call queues it. Return 0 from sys_sendmsg() and
+ * leave the error to recvmsg() to deal with.
+ */
+error_attached_to_socket:
+ trace_rxrpc_call(call, rxrpc_call_error, atomic_read(&call->usage),
+ here, ERR_PTR(ret));
+ set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
+ __rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
+ RX_CALL_DEAD, ret);
+ _leave(" = c=%08x [err]", call->debug_id);
+ return call;
}

/*
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index af0232820597..0e5087b9e07c 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -196,9 +196,11 @@ void rxrpc_disconnect_call(struct rxrpc_call *call)

call->peer->cong_cwnd = call->cong_cwnd;

- spin_lock_bh(&conn->params.peer->lock);
- hlist_del_init(&call->error_link);
- spin_unlock_bh(&conn->params.peer->lock);
+ if (!hlist_unhashed(&call->error_link)) {
+ spin_lock_bh(&conn->params.peer->lock);
+ hlist_del_init(&call->error_link);
+ spin_unlock_bh(&conn->params.peer->lock);
+ }

if (rxrpc_is_client_call(call))
return rxrpc_disconnect_client_call(call);
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index e82e91fe6178..1cdd8b380d47 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -522,7 +522,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
goto error_unlock_call;
}

- if (msg->msg_name) {
+ if (msg->msg_name && call->peer) {
struct sockaddr_rxrpc *srx = msg->msg_name;
size_t len = sizeof(call->peer->srx);

diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index f4386ad975cf..8f9a2a7eeb7c 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -579,6 +579,9 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
if (IS_ERR(call))
return PTR_ERR(call);
/* ... and we have the call lock. */
+ ret = 0;
+ if (READ_ONCE(call->state) == RXRPC_CALL_COMPLETE)
+ goto out_put_unlock;
} else {
switch (READ_ONCE(call->state)) {
case RXRPC_CALL_UNINITIALISED:
diff --git a/net/socket.c b/net/socket.c
index 6a5ec658fcd8..c74cfe1ee169 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -496,7 +496,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
if (f.file) {
sock = sock_from_file(f.file, err);
if (likely(sock)) {
- *fput_needed = f.flags;
+ *fput_needed = f.flags & FDPUT_FPUT;
return sock;
}
fdput(f);
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index d0b75781e6f7..9be7ee322093 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -11859,13 +11859,13 @@ static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info)
if (!wdev_running(wdev))
return -ENETDOWN;
}
-
- if (!vcmd->doit)
- return -EOPNOTSUPP;
} else {
wdev = NULL;
}

+ if (!vcmd->doit)
+ return -EOPNOTSUPP;
+
if (info->attrs[NL80211_ATTR_VENDOR_DATA]) {
data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]);
len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]);
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 371ae368da35..accd3846f1e3 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -912,7 +912,7 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf,
}

ret = sscanf(rule, "%d", &maplevel);
- if (ret != 1 || maplevel > SMACK_CIPSO_MAXLEVEL)
+ if (ret != 1 || maplevel < 0 || maplevel > SMACK_CIPSO_MAXLEVEL)
goto out;

rule += SMK_DIGITLEN;
@@ -933,6 +933,10 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf,

for (i = 0; i < catlen; i++) {
rule += SMK_DIGITLEN;
+ if (rule > data + count) {
+ rc = -EOVERFLOW;
+ goto out;
+ }
ret = sscanf(rule, "%u", &cat);
if (ret != 1 || cat > SMACK_CIPSO_MAXCATNUM)
goto out;
@@ -2746,7 +2750,6 @@ static int smk_open_relabel_self(struct inode *inode, struct file *file)
static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
- struct task_smack *tsp = current_security();
char *data;
int rc;
LIST_HEAD(list_tmp);
@@ -2771,11 +2774,21 @@ static ssize_t smk_write_relabel_self(struct file *file, const char __user *buf,
kfree(data);

if (!rc || (rc == -EINVAL && list_empty(&list_tmp))) {
+ struct cred *new;
+ struct task_smack *tsp;
+
+ new = prepare_creds();
+ if (!new) {
+ rc = -ENOMEM;
+ goto out;
+ }
+ tsp = new->security;
smk_destroy_label_list(&tsp->smk_relabel);
list_splice(&list_tmp, &tsp->smk_relabel);
+ commit_creds(new);
return count;
}
-
+out:
smk_destroy_label_list(&list_tmp);
return rc;
}
diff --git a/sound/core/seq/oss/seq_oss.c b/sound/core/seq/oss/seq_oss.c
index 8cdf489df80e..4b7897959913 100644
--- a/sound/core/seq/oss/seq_oss.c
+++ b/sound/core/seq/oss/seq_oss.c
@@ -181,10 +181,16 @@ static long
odev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct seq_oss_devinfo *dp;
+ long rc;
+
dp = file->private_data;
if (snd_BUG_ON(!dp))
return -ENXIO;
- return snd_seq_oss_ioctl(dp, cmd, arg);
+
+ mutex_lock(&register_mutex);
+ rc = snd_seq_oss_ioctl(dp, cmd, arg);
+ mutex_unlock(&register_mutex);
+ return rc;
}

#ifdef CONFIG_COMPAT
diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index e1f0bcd45c37..b58a098a7270 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -2215,7 +2215,6 @@ static int snd_echo_resume(struct device *dev)
if (err < 0) {
kfree(commpage_bak);
dev_err(dev, "resume init_hw err=%d\n", err);
- snd_echo_free(chip);
return err;
}

@@ -2242,7 +2241,6 @@ static int snd_echo_resume(struct device *dev)
if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
KBUILD_MODNAME, chip)) {
dev_err(chip->card->dev, "cannot grab irq\n");
- snd_echo_free(chip);
return -EBUSY;
}
chip->irq = pci->irq;
diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
index 7843104fadcb..1b01bc318fd2 100644
--- a/sound/soc/intel/boards/bxt_rt298.c
+++ b/sound/soc/intel/boards/bxt_rt298.c
@@ -529,6 +529,7 @@ static int bxt_card_late_probe(struct snd_soc_card *card)
/* broxton audio machine driver for SPT + RT298S */
static struct snd_soc_card broxton_rt298 = {
.name = "broxton-rt298",
+ .owner = THIS_MODULE,
.dai_link = broxton_rt298_dais,
.num_links = ARRAY_SIZE(broxton_rt298_dais),
.controls = broxton_controls,
@@ -544,6 +545,7 @@ static struct snd_soc_card broxton_rt298 = {

static struct snd_soc_card geminilake_rt298 = {
.name = "geminilake-rt298",
+ .owner = THIS_MODULE,
.dai_link = broxton_rt298_dais,
.num_links = ARRAY_SIZE(broxton_rt298_dais),
.controls = broxton_controls,
diff --git a/sound/usb/card.h b/sound/usb/card.h
index ed87cc83eb47..0cde519bfa42 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -126,6 +126,7 @@ struct snd_usb_substream {
unsigned int tx_length_quirk:1; /* add length specifier to transfers */
unsigned int fmt_type; /* USB audio format type (1-3) */
unsigned int pkt_offset_adj; /* Bytes to drop from beginning of packets (for non-compliant devices) */
+ unsigned int stream_offset_adj; /* Bytes to drop from beginning of stream (for non-compliant devices) */

unsigned int running: 1; /* running status */

diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 5604cce30a58..d7878ed5ecc0 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -196,6 +196,7 @@ static const struct rc_config {
{ USB_ID(0x041e, 0x3042), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 */
{ USB_ID(0x041e, 0x30df), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3237), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
+ { USB_ID(0x041e, 0x3263), 0, 1, 1, 1, 1, 0x000d }, /* Usb X-Fi S51 Pro */
{ USB_ID(0x041e, 0x3048), 2, 2, 6, 6, 2, 0x6e91 }, /* Toshiba SB0500 */
};

diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index ff38fca1781b..f27213b846e6 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1313,6 +1313,12 @@ static void retire_capture_urb(struct snd_usb_substream *subs,
// continue;
}
bytes = urb->iso_frame_desc[i].actual_length;
+ if (subs->stream_offset_adj > 0) {
+ unsigned int adj = min(subs->stream_offset_adj, bytes);
+ cp += adj;
+ bytes -= adj;
+ subs->stream_offset_adj -= adj;
+ }
frames = bytes / stride;
if (!subs->txfr_quirk)
bytes = frames * stride;
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index ec56ce382061..689fd3103e5b 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3335,7 +3335,13 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
* with.
*/
{
- USB_DEVICE(0x534d, 0x2109),
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE |
+ USB_DEVICE_ID_MATCH_INT_CLASS |
+ USB_DEVICE_ID_MATCH_INT_SUBCLASS,
+ .idVendor = 0x534d,
+ .idProduct = 0x2109,
+ .bInterfaceClass = USB_CLASS_AUDIO,
+ .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL,
.driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
.vendor_name = "MacroSilicon",
.product_name = "MS2109",
@@ -3374,5 +3380,61 @@ AU0828_DEVICE(0x2040, 0x7270, "Hauppauge", "HVR-950Q"),
}
}
},
+{
+ /*
+ * PIONEER DJ DDJ-RB
+ * PCM is 4 channels out, 2 dummy channels in @ 44.1 fixed
+ * The feedback for the output is the dummy input.
+ */
+ USB_DEVICE_VENDOR_SPEC(0x2b73, 0x000e),
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .ifnum = QUIRK_ANY_INTERFACE,
+ .type = QUIRK_COMPOSITE,
+ .data = (const struct snd_usb_audio_quirk[]) {
+ {
+ .ifnum = 0,
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+ .data = &(const struct audioformat) {
+ .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+ .channels = 4,
+ .iface = 0,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .endpoint = 0x01,
+ .ep_attr = USB_ENDPOINT_XFER_ISOC|
+ USB_ENDPOINT_SYNC_ASYNC,
+ .rates = SNDRV_PCM_RATE_44100,
+ .rate_min = 44100,
+ .rate_max = 44100,
+ .nr_rates = 1,
+ .rate_table = (unsigned int[]) { 44100 }
+ }
+ },
+ {
+ .ifnum = 0,
+ .type = QUIRK_AUDIO_FIXED_ENDPOINT,
+ .data = &(const struct audioformat) {
+ .formats = SNDRV_PCM_FMTBIT_S24_3LE,
+ .channels = 2,
+ .iface = 0,
+ .altsetting = 1,
+ .altset_idx = 1,
+ .endpoint = 0x82,
+ .ep_attr = USB_ENDPOINT_XFER_ISOC|
+ USB_ENDPOINT_SYNC_ASYNC|
+ USB_ENDPOINT_USAGE_IMPLICIT_FB,
+ .rates = SNDRV_PCM_RATE_44100,
+ .rate_min = 44100,
+ .rate_max = 44100,
+ .nr_rates = 1,
+ .rate_table = (unsigned int[]) { 44100 }
+ }
+ },
+ {
+ .ifnum = -1
+ }
+ }
+ }
+},

#undef USB_DEVICE_VENDOR_SPEC
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index cd36394e27ae..4f4dc43e56a7 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1120,6 +1120,9 @@ void snd_usb_set_format_quirk(struct snd_usb_substream *subs,
case USB_ID(0x041e, 0x3f19): /* E-Mu 0204 USB */
set_format_emu_quirk(subs, fmt);
break;
+ case USB_ID(0x534d, 0x2109): /* MacroSilicon MS2109 */
+ subs->stream_offset_adj = 2;
+ break;
}
}

diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index d1776e5517ff..452646959586 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -95,6 +95,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as,
subs->tx_length_quirk = as->chip->tx_length_quirk;
subs->speed = snd_usb_get_speed(subs->dev);
subs->pkt_offset_adj = 0;
+ subs->stream_offset_adj = 0;

snd_usb_set_pcm_ops(as->pcm, stream);

diff --git a/tools/build/Build.include b/tools/build/Build.include
index d9048f145f97..63bb9752612a 100644
--- a/tools/build/Build.include
+++ b/tools/build/Build.include
@@ -74,7 +74,8 @@ dep-cmd = $(if $(wildcard $(fixdep)),
# dependencies in the cmd file
if_changed_dep = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
- $(echo-cmd) $(cmd_$(1)) && $(dep-cmd))
+ $(echo-cmd) $(cmd_$(1)); \
+ $(dep-cmd))

# if_changed - execute command if any prerequisite is newer than
# target, or command line has changed
diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature
index c71a05b9c984..79427b09590c 100644
--- a/tools/build/Makefile.feature
+++ b/tools/build/Makefile.feature
@@ -7,7 +7,7 @@ endif

feature_check = $(eval $(feature_check_code))
define feature_check_code
- feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" CXXFLAGS="$(EXTRA_CXXFLAGS) $(FEATURE_CHECK_CXXFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) $(OUTPUT_FEATURES)test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
+ feature-$(1) := $(shell $(MAKE) OUTPUT=$(OUTPUT_FEATURES) CC="$(CC)" CXX="$(CXX)" CFLAGS="$(EXTRA_CFLAGS) $(FEATURE_CHECK_CFLAGS-$(1))" CXXFLAGS="$(EXTRA_CXXFLAGS) $(FEATURE_CHECK_CXXFLAGS-$(1))" LDFLAGS="$(LDFLAGS) $(FEATURE_CHECK_LDFLAGS-$(1))" -C $(feature_dir) $(OUTPUT_FEATURES)test-$1.bin >/dev/null 2>/dev/null && echo 1 || echo 0)
endef

feature_set = $(eval $(feature_set_code))
diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile
index 96982640fbf8..26316749e594 100644
--- a/tools/build/feature/Makefile
+++ b/tools/build/feature/Makefile
@@ -55,8 +55,6 @@ FILES= \

FILES := $(addprefix $(OUTPUT),$(FILES))

-CC ?= $(CROSS_COMPILE)gcc
-CXX ?= $(CROSS_COMPILE)g++
PKG_CONFIG ?= $(CROSS_COMPILE)pkg-config
LLVM_CONFIG ?= llvm-config

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 8211e8010e09..d260ca680f07 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -2780,6 +2780,7 @@ process_dynamic_array_len(struct event_format *event, struct print_arg *arg,
if (read_expected(EVENT_DELIM, ")") < 0)
goto out_err;

+ free_token(token);
type = read_token(&token);
*tok = token;

diff --git a/tools/perf/bench/mem-functions.c b/tools/perf/bench/mem-functions.c
index 0251dd348124..4864fc67d01b 100644
--- a/tools/perf/bench/mem-functions.c
+++ b/tools/perf/bench/mem-functions.c
@@ -222,12 +222,8 @@ static int bench_mem_common(int argc, const char **argv, struct bench_mem_info *
return 0;
}

-static u64 do_memcpy_cycles(const struct function *r, size_t size, void *src, void *dst)
+static void memcpy_prefault(memcpy_t fn, size_t size, void *src, void *dst)
{
- u64 cycle_start = 0ULL, cycle_end = 0ULL;
- memcpy_t fn = r->fn.memcpy;
- int i;
-
/* Make sure to always prefault zero pages even if MMAP_THRESH is crossed: */
memset(src, 0, size);

@@ -236,6 +232,15 @@ static u64 do_memcpy_cycles(const struct function *r, size_t size, void *src, vo
* to not measure page fault overhead:
*/
fn(dst, src, size);
+}
+
+static u64 do_memcpy_cycles(const struct function *r, size_t size, void *src, void *dst)
+{
+ u64 cycle_start = 0ULL, cycle_end = 0ULL;
+ memcpy_t fn = r->fn.memcpy;
+ int i;
+
+ memcpy_prefault(fn, size, src, dst);

cycle_start = get_cycles();
for (i = 0; i < nr_loops; ++i)
@@ -251,11 +256,7 @@ static double do_memcpy_gettimeofday(const struct function *r, size_t size, void
memcpy_t fn = r->fn.memcpy;
int i;

- /*
- * We prefault the freshly allocated memory range here,
- * to not measure page fault overhead:
- */
- fn(dst, src, size);
+ memcpy_prefault(fn, size, src, dst);

BUG_ON(gettimeofday(&tv_start, NULL));
for (i = 0; i < nr_loops; ++i)
diff --git a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
index 4357141c7c92..6522b6513895 100644
--- a/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
+++ b/tools/perf/util/intel-pt-decoder/intel-pt-decoder.c
@@ -1129,6 +1129,7 @@ static int intel_pt_walk_fup(struct intel_pt_decoder *decoder)
return 0;
if (err == -EAGAIN ||
intel_pt_fup_with_nlip(decoder, &intel_pt_insn, ip, err)) {
+ decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
if (intel_pt_fup_event(decoder))
return 0;
return -EAGAIN;
@@ -1780,17 +1781,13 @@ static int intel_pt_walk_trace(struct intel_pt_decoder *decoder)
}
if (decoder->set_fup_mwait)
no_tip = true;
+ if (no_tip)
+ decoder->pkt_state = INTEL_PT_STATE_FUP_NO_TIP;
+ else
+ decoder->pkt_state = INTEL_PT_STATE_FUP;
err = intel_pt_walk_fup(decoder);
- if (err != -EAGAIN) {
- if (err)
- return err;
- if (no_tip)
- decoder->pkt_state =
- INTEL_PT_STATE_FUP_NO_TIP;
- else
- decoder->pkt_state = INTEL_PT_STATE_FUP;
- return 0;
- }
+ if (err != -EAGAIN)
+ return err;
if (no_tip) {
no_tip = false;
break;
@@ -2375,15 +2372,11 @@ const struct intel_pt_state *intel_pt_decode(struct intel_pt_decoder *decoder)
err = intel_pt_walk_tip(decoder);
break;
case INTEL_PT_STATE_FUP:
- decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
err = intel_pt_walk_fup(decoder);
if (err == -EAGAIN)
err = intel_pt_walk_fup_tip(decoder);
- else if (!err)
- decoder->pkt_state = INTEL_PT_STATE_FUP;
break;
case INTEL_PT_STATE_FUP_NO_TIP:
- decoder->pkt_state = INTEL_PT_STATE_IN_SYNC;
err = intel_pt_walk_fup(decoder);
if (err == -EAGAIN)
err = intel_pt_walk_trace(decoder);
diff --git a/tools/testing/selftests/net/msg_zerocopy.c b/tools/testing/selftests/net/msg_zerocopy.c
index e11fe84de0fd..6184d2a4c4a6 100644
--- a/tools/testing/selftests/net/msg_zerocopy.c
+++ b/tools/testing/selftests/net/msg_zerocopy.c
@@ -121,9 +121,8 @@ static int do_setcpu(int cpu)
CPU_ZERO(&mask);
CPU_SET(cpu, &mask);
if (sched_setaffinity(0, sizeof(mask), &mask))
- error(1, 0, "setaffinity %d", cpu);
-
- if (cfg_verbose)
+ fprintf(stderr, "cpu: unable to pin, may increase variance.\n");
+ else if (cfg_verbose)
fprintf(stderr, "cpu: %u\n", cpu);

return 0;
diff --git a/tools/testing/selftests/powerpc/benchmarks/context_switch.c b/tools/testing/selftests/powerpc/benchmarks/context_switch.c
index f4241339edd2..7136eae2170b 100644
--- a/tools/testing/selftests/powerpc/benchmarks/context_switch.c
+++ b/tools/testing/selftests/powerpc/benchmarks/context_switch.c
@@ -22,6 +22,7 @@
#include <limits.h>
#include <sys/time.h>
#include <sys/syscall.h>
+#include <sys/sysinfo.h>
#include <sys/types.h>
#include <sys/shm.h>
#include <linux/futex.h>
@@ -97,8 +98,9 @@ static void start_thread_on(void *(*fn)(void *), void *arg, unsigned long cpu)

static void start_process_on(void *(*fn)(void *), void *arg, unsigned long cpu)
{
- int pid;
- cpu_set_t cpuset;
+ int pid, ncpus;
+ cpu_set_t *cpuset;
+ size_t size;

pid = fork();
if (pid == -1) {
@@ -109,14 +111,23 @@ static void start_process_on(void *(*fn)(void *), void *arg, unsigned long cpu)
if (pid)
return;

- CPU_ZERO(&cpuset);
- CPU_SET(cpu, &cpuset);
+ ncpus = get_nprocs();
+ size = CPU_ALLOC_SIZE(ncpus);
+ cpuset = CPU_ALLOC(ncpus);
+ if (!cpuset) {
+ perror("malloc");
+ exit(1);
+ }
+ CPU_ZERO_S(size, cpuset);
+ CPU_SET_S(cpu, size, cpuset);

- if (sched_setaffinity(0, sizeof(cpuset), &cpuset)) {
+ if (sched_setaffinity(0, size, cpuset)) {
perror("sched_setaffinity");
+ CPU_FREE(cpuset);
exit(1);
}

+ CPU_FREE(cpuset);
fn(arg);

exit(0);
diff --git a/tools/testing/selftests/powerpc/utils.c b/tools/testing/selftests/powerpc/utils.c
index d46916867a6f..77db4f6ecf2f 100644
--- a/tools/testing/selftests/powerpc/utils.c
+++ b/tools/testing/selftests/powerpc/utils.c
@@ -12,6 +12,7 @@
#include <sched.h>
#include <stdio.h>
#include <sys/stat.h>
+#include <sys/sysinfo.h>
#include <sys/types.h>
#include <unistd.h>

@@ -81,26 +82,38 @@ void *get_auxv_entry(int type)

int pick_online_cpu(void)
{
- cpu_set_t mask;
- int cpu;
+ int ncpus, cpu = -1;
+ cpu_set_t *mask;
+ size_t size;
+
+ ncpus = get_nprocs_conf();
+ size = CPU_ALLOC_SIZE(ncpus);
+ mask = CPU_ALLOC(ncpus);
+ if (!mask) {
+ perror("malloc");
+ return -1;
+ }

- CPU_ZERO(&mask);
+ CPU_ZERO_S(size, mask);

- if (sched_getaffinity(0, sizeof(mask), &mask)) {
+ if (sched_getaffinity(0, size, mask)) {
perror("sched_getaffinity");
- return -1;
+ goto done;
}

/* We prefer a primary thread, but skip 0 */
- for (cpu = 8; cpu < CPU_SETSIZE; cpu += 8)
- if (CPU_ISSET(cpu, &mask))
- return cpu;
+ for (cpu = 8; cpu < ncpus; cpu += 8)
+ if (CPU_ISSET_S(cpu, size, mask))
+ goto done;

/* Search for anything, but in reverse */
- for (cpu = CPU_SETSIZE - 1; cpu >= 0; cpu--)
- if (CPU_ISSET(cpu, &mask))
- return cpu;
+ for (cpu = ncpus - 1; cpu >= 0; cpu--)
+ if (CPU_ISSET_S(cpu, size, mask))
+ goto done;

printf("No cpus in affinity mask?!\n");
- return -1;
+
+done:
+ CPU_FREE(mask);
+ return cpu;
}

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