Re: Linux 4.19.171

From: Greg Kroah-Hartman
Date: Wed Jan 27 2021 - 06:16:31 EST


diff --git a/Makefile b/Makefile
index 7f56c62d31e8..335b015c5c9b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 170
+SUBLEVEL = 171
EXTRAVERSION =
NAME = "People's Front"

diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 07060e5b5864..8aa901e20ca8 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -405,7 +405,7 @@ static int __init xen_guest_init(void)
}
gnttab_init();
if (!xen_initial_domain())
- xenbus_probe(NULL);
+ xenbus_probe();

/*
* Making sure board specific code will not set up ops for
diff --git a/arch/riscv/kernel/time.c b/arch/riscv/kernel/time.c
index 1911c8f6b8a6..15f4ab40e222 100644
--- a/arch/riscv/kernel/time.c
+++ b/arch/riscv/kernel/time.c
@@ -12,6 +12,7 @@
* GNU General Public License for more details.
*/

+#include <linux/of_clk.h>
#include <linux/clocksource.h>
#include <linux/delay.h>
#include <asm/sbi.h>
@@ -29,5 +30,7 @@ void __init time_init(void)
riscv_timebase = prop;

lpj_fine = riscv_timebase / HZ;
+
+ of_clk_init(NULL);
timer_probe();
}
diff --git a/arch/sh/drivers/dma/Kconfig b/arch/sh/drivers/dma/Kconfig
index d0de378beefe..7d54f284ce10 100644
--- a/arch/sh/drivers/dma/Kconfig
+++ b/arch/sh/drivers/dma/Kconfig
@@ -63,8 +63,7 @@ config PVR2_DMA

config G2_DMA
tristate "G2 Bus DMA support"
- depends on SH_DREAMCAST
- select SH_DMA_API
+ depends on SH_DREAMCAST && SH_DMA_API
help
This enables support for the DMA controller for the Dreamcast's
G2 bus. Drivers that want this will generally enable this on
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index de9dc041d703..d614cb72041e 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -586,6 +586,8 @@ static int acpi_get_device_data(acpi_handle handle, struct acpi_device **device,
if (!device)
return -EINVAL;

+ *device = NULL;
+
status = acpi_get_data_full(handle, acpi_scan_drop_device,
(void **)device, callback);
if (ACPI_FAILURE(status) || !*device) {
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4818aaddd712..f7f601858f10 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -93,6 +93,16 @@ void device_links_read_unlock(int not_used)
}
#endif /* !CONFIG_SRCU */

+static bool device_is_ancestor(struct device *dev, struct device *target)
+{
+ while (target->parent) {
+ target = target->parent;
+ if (dev == target)
+ return true;
+ }
+ return false;
+}
+
/**
* device_is_dependent - Check if one device depends on another one
* @dev: Device to check dependencies for.
@@ -106,7 +116,12 @@ static int device_is_dependent(struct device *dev, void *target)
struct device_link *link;
int ret;

- if (dev == target)
+ /*
+ * The "ancestors" check is needed to catch the case when the target
+ * device has not been completely initialized yet and it is still
+ * missing from the list of children of its parent device.
+ */
+ if (dev == target || device_is_ancestor(dev, target))
return 1;

ret = device_for_each_child(dev, target, device_is_dependent);
diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index e0aaecd98fbf..678019f86bc7 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1274,6 +1274,8 @@ static struct tegra_clk_init_table init_table[] __initdata = {
{ TEGRA30_CLK_I2S3_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
{ TEGRA30_CLK_I2S4_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
{ TEGRA30_CLK_VIMCLK_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
+ { TEGRA30_CLK_HDA, TEGRA30_CLK_PLL_P, 102000000, 0 },
+ { TEGRA30_CLK_HDA2CODEC_2X, TEGRA30_CLK_PLL_P, 48000000, 0 },
/* must be the last entry */
{ TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 },
};
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index d24a15484e31..6060b69fa618 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -2938,7 +2938,7 @@ int drm_atomic_helper_set_config(struct drm_mode_set *set,

ret = handle_conflicting_encoders(state, true);
if (ret)
- return ret;
+ goto fail;

ret = drm_atomic_commit(state);

diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 1bb0a9f6fa73..fbe156302ee8 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -131,7 +131,7 @@ nv50_dmac_destroy(struct nv50_dmac *dmac)

int
nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
- const s32 *oclass, u8 head, void *data, u32 size, u64 syncbuf,
+ const s32 *oclass, u8 head, void *data, u32 size, s64 syncbuf,
struct nv50_dmac *dmac)
{
struct nouveau_cli *cli = (void *)device->object.client;
@@ -166,7 +166,7 @@ nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
if (ret)
return ret;

- if (!syncbuf)
+ if (syncbuf < 0)
return 0;

ret = nvif_object_init(&dmac->base.user, 0xf0000000, NV_DMA_IN_MEMORY,
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.h b/drivers/gpu/drm/nouveau/dispnv50/disp.h
index 66c125a6b0b3..55205d23360c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.h
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.h
@@ -68,7 +68,7 @@ struct nv50_dmac {

int nv50_dmac_create(struct nvif_device *device, struct nvif_object *disp,
const s32 *oclass, u8 head, void *data, u32 size,
- u64 syncbuf, struct nv50_dmac *dmac);
+ s64 syncbuf, struct nv50_dmac *dmac);
void nv50_dmac_destroy(struct nv50_dmac *);

u32 *evo_wait(struct nv50_dmac *, int nr);
diff --git a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
index f7dbd965e4e7..b49a212af4d8 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/wimmc37b.c
@@ -68,7 +68,7 @@ wimmc37b_init_(const struct nv50_wimm_func *func, struct nouveau_drm *drm,
int ret;

ret = nv50_dmac_create(&drm->client.device, &disp->disp->object,
- &oclass, 0, &args, sizeof(args), 0,
+ &oclass, 0, &args, sizeof(args), -1,
&wndw->wimm);
if (ret) {
NV_ERROR(drm, "wimm%04x allocation failed: %d\n", oclass, ret);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
index 7deb81b6dbac..4b571cc6bc70 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
@@ -75,7 +75,7 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd)
nvkm_debug(subdev, "%08x: type %02x, %d bytes\n",
image.base, image.type, image.size);

- if (!shadow_fetch(bios, mthd, image.size)) {
+ if (!shadow_fetch(bios, mthd, image.base + image.size)) {
nvkm_debug(subdev, "%08x: fetch failed\n", image.base);
return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
index edb6148cbca0..d0e80ad52684 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/i2c/auxgm200.c
@@ -33,7 +33,7 @@ static void
gm200_i2c_aux_fini(struct gm200_i2c_aux *aux)
{
struct nvkm_device *device = aux->base.pad->i2c->subdev.device;
- nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00310000, 0x00000000);
+ nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00710000, 0x00000000);
}

static int
@@ -54,10 +54,10 @@ gm200_i2c_aux_init(struct gm200_i2c_aux *aux)
AUX_ERR(&aux->base, "begin idle timeout %08x", ctrl);
return -EBUSY;
}
- } while (ctrl & 0x03010000);
+ } while (ctrl & 0x07010000);

/* set some magic, and wait up to 1ms for it to appear */
- nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00300000, ureq);
+ nvkm_mask(device, 0x00d954 + (aux->ch * 0x50), 0x00700000, ureq);
timeout = 1000;
do {
ctrl = nvkm_rd32(device, 0x00d954 + (aux->ch * 0x50));
@@ -67,7 +67,7 @@ gm200_i2c_aux_init(struct gm200_i2c_aux *aux)
gm200_i2c_aux_fini(aux);
return -EBUSY;
}
- } while ((ctrl & 0x03000000) != urep);
+ } while ((ctrl & 0x07000000) != urep);

return 0;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
index d80dbc8f09b2..55a4ea4393c6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gf100.c
@@ -22,6 +22,7 @@
* Authors: Ben Skeggs
*/
#include "priv.h"
+#include <subdev/timer.h>

static void
gf100_ibus_intr_hub(struct nvkm_subdev *ibus, int i)
@@ -31,7 +32,6 @@ gf100_ibus_intr_hub(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0400));
u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0400));
nvkm_debug(ibus, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x122128 + (i * 0x0400), 0x00000200, 0x00000000);
}

static void
@@ -42,7 +42,6 @@ gf100_ibus_intr_rop(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0400));
u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0400));
nvkm_debug(ibus, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x124128 + (i * 0x0400), 0x00000200, 0x00000000);
}

static void
@@ -53,7 +52,6 @@ gf100_ibus_intr_gpc(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0400));
u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0400));
nvkm_debug(ibus, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x128128 + (i * 0x0400), 0x00000200, 0x00000000);
}

void
@@ -90,6 +88,12 @@ gf100_ibus_intr(struct nvkm_subdev *ibus)
intr1 &= ~stat;
}
}
+
+ nvkm_mask(device, 0x121c4c, 0x0000003f, 0x00000002);
+ nvkm_msec(device, 2000,
+ if (!(nvkm_rd32(device, 0x121c4c) & 0x0000003f))
+ break;
+ );
}

static int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
index 9025ed1bd2a9..4caf3ef087e1 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/ibus/gk104.c
@@ -22,6 +22,7 @@
* Authors: Ben Skeggs
*/
#include "priv.h"
+#include <subdev/timer.h>

static void
gk104_ibus_intr_hub(struct nvkm_subdev *ibus, int i)
@@ -31,7 +32,6 @@ gk104_ibus_intr_hub(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x122124 + (i * 0x0800));
u32 stat = nvkm_rd32(device, 0x122128 + (i * 0x0800));
nvkm_debug(ibus, "HUB%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x122128 + (i * 0x0800), 0x00000200, 0x00000000);
}

static void
@@ -42,7 +42,6 @@ gk104_ibus_intr_rop(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x124124 + (i * 0x0800));
u32 stat = nvkm_rd32(device, 0x124128 + (i * 0x0800));
nvkm_debug(ibus, "ROP%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x124128 + (i * 0x0800), 0x00000200, 0x00000000);
}

static void
@@ -53,7 +52,6 @@ gk104_ibus_intr_gpc(struct nvkm_subdev *ibus, int i)
u32 data = nvkm_rd32(device, 0x128124 + (i * 0x0800));
u32 stat = nvkm_rd32(device, 0x128128 + (i * 0x0800));
nvkm_debug(ibus, "GPC%d: %06x %08x (%08x)\n", i, addr, data, stat);
- nvkm_mask(device, 0x128128 + (i * 0x0800), 0x00000200, 0x00000000);
}

void
@@ -90,6 +88,12 @@ gk104_ibus_intr(struct nvkm_subdev *ibus)
intr1 &= ~stat;
}
}
+
+ nvkm_mask(device, 0x12004c, 0x0000003f, 0x00000002);
+ nvkm_msec(device, 2000,
+ if (!(nvkm_rd32(device, 0x12004c) & 0x0000003f))
+ break;
+ );
}

static int
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
index ee11ccaf0563..cb51e248cb41 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/base.c
@@ -316,9 +316,9 @@ nvkm_mmu_vram(struct nvkm_mmu *mmu)
{
struct nvkm_device *device = mmu->subdev.device;
struct nvkm_mm *mm = &device->fb->ram->vram;
- const u32 sizeN = nvkm_mm_heap_size(mm, NVKM_RAM_MM_NORMAL);
- const u32 sizeU = nvkm_mm_heap_size(mm, NVKM_RAM_MM_NOMAP);
- const u32 sizeM = nvkm_mm_heap_size(mm, NVKM_RAM_MM_MIXED);
+ const u64 sizeN = nvkm_mm_heap_size(mm, NVKM_RAM_MM_NORMAL);
+ const u64 sizeU = nvkm_mm_heap_size(mm, NVKM_RAM_MM_NOMAP);
+ const u64 sizeM = nvkm_mm_heap_size(mm, NVKM_RAM_MM_MIXED);
u8 type = NVKM_MEM_KIND * !!mmu->func->kind;
u8 heap = NVKM_MEM_VRAM;
int heapM, heapN, heapU;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 6d118da1615d..ab2be7a115d8 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -386,6 +386,7 @@
#define USB_DEVICE_ID_TOSHIBA_CLICK_L9W 0x0401
#define USB_DEVICE_ID_HP_X2 0x074d
#define USB_DEVICE_ID_HP_X2_10_COVER 0x0755
+#define USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN 0x2706

#define USB_VENDOR_ID_ELECOM 0x056e
#define USB_DEVICE_ID_ELECOM_BM084 0x0061
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 13deb9a67685..4dd151b2924e 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -334,6 +334,8 @@ static const struct hid_device_id hid_battery_quirks[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH,
USB_DEVICE_ID_LOGITECH_DINOVO_EDGE_KBD),
HID_BATTERY_QUIRK_IGNORE },
+ { HID_USB_DEVICE(USB_VENDOR_ID_ELAN, USB_DEVICE_ID_ASUS_UX550_TOUCHSCREEN),
+ HID_BATTERY_QUIRK_IGNORE },
{}
};

diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index a775d7acfa47..2a1617103394 100644
--- a/drivers/hwtracing/intel_th/pci.c
+++ b/drivers/hwtracing/intel_th/pci.c
@@ -230,6 +230,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4b26),
.driver_data = (kernel_ulong_t)&intel_th_2x,
},
+ {
+ /* Alder Lake-P */
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x51a6),
+ .driver_data = (kernel_ulong_t)&intel_th_2x,
+ },
{
/* Emmitsburg PCH */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x1bcc),
diff --git a/drivers/hwtracing/stm/heartbeat.c b/drivers/hwtracing/stm/heartbeat.c
index 7db42395e131..825c59a77a0e 100644
--- a/drivers/hwtracing/stm/heartbeat.c
+++ b/drivers/hwtracing/stm/heartbeat.c
@@ -64,7 +64,7 @@ static void stm_heartbeat_unlink(struct stm_source_data *data)

static int stm_heartbeat_init(void)
{
- int i, ret = -ENOMEM;
+ int i, ret;

if (nr_devs < 0 || nr_devs > STM_HEARTBEAT_MAX)
return -EINVAL;
@@ -72,8 +72,10 @@ static int stm_heartbeat_init(void)
for (i = 0; i < nr_devs; i++) {
stm_heartbeat[i].data.name =
kasprintf(GFP_KERNEL, "heartbeat.%d", i);
- if (!stm_heartbeat[i].data.name)
+ if (!stm_heartbeat[i].data.name) {
+ ret = -ENOMEM;
goto fail_unregister;
+ }

stm_heartbeat[i].data.nr_chans = 1;
stm_heartbeat[i].data.link = stm_heartbeat_link;
diff --git a/drivers/i2c/busses/i2c-octeon-core.c b/drivers/i2c/busses/i2c-octeon-core.c
index d9607905dc2f..845eda70b8ca 100644
--- a/drivers/i2c/busses/i2c-octeon-core.c
+++ b/drivers/i2c/busses/i2c-octeon-core.c
@@ -347,7 +347,7 @@ static int octeon_i2c_read(struct octeon_i2c *i2c, int target,
if (result)
return result;
if (recv_len && i == 0) {
- if (data[i] > I2C_SMBUS_BLOCK_MAX + 1)
+ if (data[i] > I2C_SMBUS_BLOCK_MAX)
return -EPROTO;
length += data[i];
}
diff --git a/drivers/i2c/busses/i2c-tegra-bpmp.c b/drivers/i2c/busses/i2c-tegra-bpmp.c
index f6cd35d0a2ac..240bd1e90892 100644
--- a/drivers/i2c/busses/i2c-tegra-bpmp.c
+++ b/drivers/i2c/busses/i2c-tegra-bpmp.c
@@ -91,7 +91,7 @@ static int tegra_bpmp_xlate_flags(u16 flags, u16 *out)
flags &= ~I2C_M_RECV_LEN;
}

- return (flags != 0) ? -EINVAL : 0;
+ return 0;
}

/**
diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index d9037ea59168..97b9ce305a68 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -189,9 +189,9 @@ static ssize_t ad5504_write_dac_powerdown(struct iio_dev *indio_dev,
return ret;

if (pwr_down)
- st->pwr_down_mask |= (1 << chan->channel);
- else
st->pwr_down_mask &= ~(1 << chan->channel);
+ else
+ st->pwr_down_mask |= (1 << chan->channel);

ret = ad5504_spi_write(st, AD5504_ADDR_CTRL,
AD5504_DAC_PWRDWN_MODE(st->pwr_down_mode) |
diff --git a/drivers/irqchip/irq-mips-cpu.c b/drivers/irqchip/irq-mips-cpu.c
index 66f97fde13d8..51e09f6c653c 100644
--- a/drivers/irqchip/irq-mips-cpu.c
+++ b/drivers/irqchip/irq-mips-cpu.c
@@ -201,6 +201,13 @@ static int mips_cpu_ipi_alloc(struct irq_domain *domain, unsigned int virq,
if (ret)
return ret;

+ ret = irq_domain_set_hwirq_and_chip(domain->parent, virq + i, hwirq,
+ &mips_mt_cpu_irq_controller,
+ NULL);
+
+ if (ret)
+ return ret;
+
ret = irq_set_irq_type(virq + i, IRQ_TYPE_LEVEL_HIGH);
if (ret)
return ret;
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index bb99b599de77..1917051b512f 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -3515,6 +3515,12 @@ static int dm_integrity_ctr(struct dm_target *ti, unsigned argc, char **argv)
r = -ENOMEM;
goto bad;
}
+ } else {
+ if (ic->sb->flags & cpu_to_le32(SB_FLAG_RECALCULATING)) {
+ ti->error = "Recalculate can only be specified with internal_hash";
+ r = -EINVAL;
+ goto bad;
+ }
}

ic->bufio = dm_bufio_client_create(ic->meta_dev ? ic->meta_dev->bdev : ic->dev->bdev,
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index f849db3035a0..916433742485 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -431,14 +431,23 @@ int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
{
int r;
dev_t dev;
+ unsigned int major, minor;
+ char dummy;
struct dm_dev_internal *dd;
struct dm_table *t = ti->table;

BUG_ON(!t);

- dev = dm_get_dev_t(path);
- if (!dev)
- return -ENODEV;
+ if (sscanf(path, "%u:%u%c", &major, &minor, &dummy) == 2) {
+ /* Extract the major/minor numbers */
+ dev = MKDEV(major, minor);
+ if (MAJOR(dev) != major || MINOR(dev) != minor)
+ return -EOVERFLOW;
+ } else {
+ dev = dm_get_dev_t(path);
+ if (!dev)
+ return -ENODEV;
+ }

dd = find_device(&t->devices, dev);
if (!dd) {
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 9b31cd6b6062..9aaf5a2d83c3 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -364,8 +364,10 @@ static void mmc_setup_queue(struct mmc_queue *mq, struct mmc_card *card)
min(host->max_blk_count, host->max_req_size / 512));
blk_queue_max_segments(mq->queue, host->max_segs);

- if (mmc_card_mmc(card))
+ if (mmc_card_mmc(card) && card->ext_csd.data_sector_size) {
block_size = card->ext_csd.data_sector_size;
+ WARN_ON(block_size != 512 && block_size != 4096);
+ }

blk_queue_logical_block_size(mq->queue, block_size);
blk_queue_max_segment_size(mq->queue,
diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c
index fafb02644efd..ca34fa424634 100644
--- a/drivers/mmc/host/sdhci-xenon.c
+++ b/drivers/mmc/host/sdhci-xenon.c
@@ -170,7 +170,12 @@ static void xenon_reset_exit(struct sdhci_host *host,
/* Disable tuning request and auto-retuning again */
xenon_retune_setup(host);

- xenon_set_acg(host, true);
+ /*
+ * The ACG should be turned off at the early init time, in order
+ * to solve a possible issues with the 1.8V regulator stabilization.
+ * The feature is enabled in later stage.
+ */
+ xenon_set_acg(host, false);

xenon_set_sdclk_off_idle(host, sdhc_id, false);

diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index f88590074569..953c6fdc75cc 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -579,11 +579,11 @@ static void can_restart(struct net_device *dev)
}
cf->can_id |= CAN_ERR_RESTARTED;

- netif_rx_ni(skb);
-
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;

+ netif_rx_ni(skb);
+
restart:
netdev_dbg(dev, "restarted\n");
priv->can_stats.restarts++;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index 19600d35aac5..40ac37fe9dcd 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -520,11 +520,11 @@ static int pcan_usb_fd_decode_canmsg(struct pcan_usb_fd_if *usb_if,
else
memcpy(cfd->data, rm->d, cfd->len);

- peak_usb_netif_rx(skb, &usb_if->time_ref, le32_to_cpu(rm->ts_low));
-
netdev->stats.rx_packets++;
netdev->stats.rx_bytes += cfd->len;

+ peak_usb_netif_rx(skb, &usb_if->time_ref, le32_to_cpu(rm->ts_low));
+
return 0;
}

@@ -586,11 +586,11 @@ static int pcan_usb_fd_decode_status(struct pcan_usb_fd_if *usb_if,
if (!skb)
return -ENOMEM;

- peak_usb_netif_rx(skb, &usb_if->time_ref, le32_to_cpu(sm->ts_low));
-
netdev->stats.rx_packets++;
netdev->stats.rx_bytes += cf->can_dlc;

+ peak_usb_netif_rx(skb, &usb_if->time_ref, le32_to_cpu(sm->ts_low));
+
return 0;
}

diff --git a/drivers/net/can/vxcan.c b/drivers/net/can/vxcan.c
index ed6828821fbd..ccd758ba3fb0 100644
--- a/drivers/net/can/vxcan.c
+++ b/drivers/net/can/vxcan.c
@@ -49,6 +49,7 @@ static netdev_tx_t vxcan_xmit(struct sk_buff *skb, struct net_device *dev)
struct net_device *peer;
struct canfd_frame *cfd = (struct canfd_frame *)skb->data;
struct net_device_stats *peerstats, *srcstats = &dev->stats;
+ u8 len;

if (can_dropped_invalid_skb(dev, skb))
return NETDEV_TX_OK;
@@ -71,12 +72,13 @@ static netdev_tx_t vxcan_xmit(struct sk_buff *skb, struct net_device *dev)
skb->dev = peer;
skb->ip_summed = CHECKSUM_UNNECESSARY;

+ len = cfd->len;
if (netif_rx_ni(skb) == NET_RX_SUCCESS) {
srcstats->tx_packets++;
- srcstats->tx_bytes += cfd->len;
+ srcstats->tx_bytes += len;
peerstats = &peer->stats;
peerstats->rx_packets++;
- peerstats->rx_bytes += cfd->len;
+ peerstats->rx_bytes += len;
}

out_unlock:
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 294be86420b6..335ce1e84904 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1142,7 +1142,7 @@ int b53_vlan_prepare(struct dsa_switch *ds, int port,
if ((is5325(dev) || is5365(dev)) && vlan->vid_begin == 0)
return -EOPNOTSUPP;

- if (vlan->vid_end > dev->num_vlans)
+ if (vlan->vid_end >= dev->num_vlans)
return -ERANGE;

b53_enable_vlan(dev, true, dev->vlan_filtering_enabled);
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index a29a6a618110..ea30da1c53f0 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -1549,10 +1549,8 @@ static int ocelot_netdevice_event(struct notifier_block *unused,
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
int ret = 0;

- if (!ocelot_netdevice_dev_check(dev))
- return 0;
-
if (event == NETDEV_PRECHANGEUPPER &&
+ ocelot_netdevice_dev_check(dev) &&
netif_is_lag_master(info->upper_dev)) {
struct netdev_lag_upper_info *lag_upper_info = info->upper_info;
struct netlink_ext_ack *extack;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 441643670ac0..9ac7b09badca 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2620,10 +2620,10 @@ static int sh_eth_close(struct net_device *ndev)
/* Free all the skbuffs in the Rx queue and the DMA buffer. */
sh_eth_ring_free(ndev);

- pm_runtime_put_sync(&mdp->pdev->dev);
-
mdp->is_opened = 0;

+ pm_runtime_put(&mdp->pdev->dev);
+
return 0;
}

diff --git a/drivers/platform/x86/intel-vbtn.c b/drivers/platform/x86/intel-vbtn.c
index 36d6e72f5073..f5774372c387 100644
--- a/drivers/platform/x86/intel-vbtn.c
+++ b/drivers/platform/x86/intel-vbtn.c
@@ -191,12 +191,6 @@ static const struct dmi_system_id dmi_switches_allow_list[] = {
DMI_MATCH(DMI_PRODUCT_NAME, "Venue 11 Pro 7130"),
},
},
- {
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
- DMI_MATCH(DMI_PRODUCT_NAME, "HP Stream x360 Convertible PC 11"),
- },
- },
{
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 83d25ee88f02..8877a21102f1 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -7323,11 +7323,9 @@ megasas_mgmt_fw_ioctl(struct megasas_instance *instance,
goto out;
}

+ /* always store 64 bits regardless of addressing */
sense_ptr = (void *)cmd->frame + ioc->sense_off;
- if (instance->consistent_mask_64bit)
- put_unaligned_le64(sense_handle, sense_ptr);
- else
- put_unaligned_le32(sense_handle, sense_ptr);
+ put_unaligned_le64(sense_handle, sense_ptr);
}

/*
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index eaa50328de90..e201c163ea1c 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2129,7 +2129,7 @@ qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type,
chap_name);
break;
case ISCSI_BOOT_TGT_CHAP_SECRET:
- rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN,
+ rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN,
chap_secret);
break;
case ISCSI_BOOT_TGT_REV_CHAP_NAME:
@@ -2137,7 +2137,7 @@ qedi_show_boot_tgt_info(struct qedi_ctx *qedi, int type,
mchap_name);
break;
case ISCSI_BOOT_TGT_REV_CHAP_SECRET:
- rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_NAME_MAX_LEN,
+ rc = sprintf(buf, "%.*s\n", NVM_ISCSI_CFG_CHAP_PWD_MAX_LEN,
mchap_secret);
break;
case ISCSI_BOOT_TGT_FLAGS:
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 40f478c4d118..b18430efb00f 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -5772,19 +5772,16 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
{
struct Scsi_Host *host;
struct ufs_hba *hba;
- unsigned int tag;
u32 pos;
int err;
- u8 resp = 0xF;
- struct ufshcd_lrb *lrbp;
+ u8 resp = 0xF, lun;
unsigned long flags;

host = cmd->device->host;
hba = shost_priv(host);
- tag = cmd->request->tag;

- lrbp = &hba->lrb[tag];
- err = ufshcd_issue_tm_cmd(hba, lrbp->lun, 0, UFS_LOGICAL_RESET, &resp);
+ lun = ufshcd_scsi_to_upiu_lun(cmd->device->lun);
+ err = ufshcd_issue_tm_cmd(hba, lun, 0, UFS_LOGICAL_RESET, &resp);
if (err || resp != UPIU_TASK_MANAGEMENT_FUNC_COMPL) {
if (!err)
err = resp;
@@ -5793,7 +5790,7 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)

/* clear the commands that were pending for corresponding LUN */
for_each_set_bit(pos, &hba->outstanding_reqs, hba->nutrs) {
- if (hba->lrb[pos].lun == lrbp->lun) {
+ if (hba->lrb[pos].lun == lun) {
err = ufshcd_clear_cmd(hba, pos);
if (err)
break;
diff --git a/drivers/tty/serial/mvebu-uart.c b/drivers/tty/serial/mvebu-uart.c
index fb9d369e0f50..330522be708f 100644
--- a/drivers/tty/serial/mvebu-uart.c
+++ b/drivers/tty/serial/mvebu-uart.c
@@ -637,6 +637,14 @@ static void wait_for_xmitr(struct uart_port *port)
(val & STAT_TX_RDY(port)), 1, 10000);
}

+static void wait_for_xmite(struct uart_port *port)
+{
+ u32 val;
+
+ readl_poll_timeout_atomic(port->membase + UART_STAT, val,
+ (val & STAT_TX_EMP), 1, 10000);
+}
+
static void mvebu_uart_console_putchar(struct uart_port *port, int ch)
{
wait_for_xmitr(port);
@@ -664,7 +672,7 @@ static void mvebu_uart_console_write(struct console *co, const char *s,

uart_console_write(port, s, count, mvebu_uart_console_putchar);

- wait_for_xmitr(port);
+ wait_for_xmite(port);

if (ier)
writel(ier, port->membase + UART_CTRL(port));
diff --git a/drivers/usb/gadget/udc/aspeed-vhub/epn.c b/drivers/usb/gadget/udc/aspeed-vhub/epn.c
index 5939eb1e97f2..ae853cf36966 100644
--- a/drivers/usb/gadget/udc/aspeed-vhub/epn.c
+++ b/drivers/usb/gadget/udc/aspeed-vhub/epn.c
@@ -420,7 +420,10 @@ static void ast_vhub_stop_active_req(struct ast_vhub_ep *ep,
u32 state, reg, loops;

/* Stop DMA activity */
- writel(0, ep->epn.regs + AST_VHUB_EP_DMA_CTLSTAT);
+ if (ep->epn.desc_mode)
+ writel(VHUB_EP_DMA_CTRL_RESET, ep->epn.regs + AST_VHUB_EP_DMA_CTLSTAT);
+ else
+ writel(0, ep->epn.regs + AST_VHUB_EP_DMA_CTLSTAT);

/* Wait for it to complete */
for (loops = 0; loops < 1000; loops++) {
diff --git a/drivers/usb/gadget/udc/bdc/Kconfig b/drivers/usb/gadget/udc/bdc/Kconfig
index c74ac25dddcd..051091bd265b 100644
--- a/drivers/usb/gadget/udc/bdc/Kconfig
+++ b/drivers/usb/gadget/udc/bdc/Kconfig
@@ -15,7 +15,7 @@ if USB_BDC_UDC
comment "Platform Support"
config USB_BDC_PCI
tristate "BDC support for PCIe based platforms"
- depends on USB_PCI
+ depends on USB_PCI && BROKEN
default USB_BDC_UDC
help
Enable support for platforms which have BDC connected through PCIe, such as Lego3 FPGA platform.
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 1a79a9955187..87a417d878b8 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -1471,10 +1471,13 @@ static ssize_t soft_connect_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t n)
{
struct usb_udc *udc = container_of(dev, struct usb_udc, dev);
+ ssize_t ret;

+ mutex_lock(&udc_lock);
if (!udc->driver) {
dev_err(dev, "soft-connect without a gadget driver\n");
- return -EOPNOTSUPP;
+ ret = -EOPNOTSUPP;
+ goto out;
}

if (sysfs_streq(buf, "connect")) {
@@ -1486,10 +1489,14 @@ static ssize_t soft_connect_store(struct device *dev,
usb_gadget_udc_stop(udc);
} else {
dev_err(dev, "unsupported command '%s'\n", buf);
- return -EINVAL;
+ ret = -EINVAL;
+ goto out;
}

- return n;
+ ret = n;
+out:
+ mutex_unlock(&udc_lock);
+ return ret;
}
static DEVICE_ATTR_WO(soft_connect);

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index caf9f6b1cd34..d9282ca7ae8c 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -574,6 +574,7 @@ static int ehci_run (struct usb_hcd *hcd)
struct ehci_hcd *ehci = hcd_to_ehci (hcd);
u32 temp;
u32 hcc_params;
+ int rc;

hcd->uses_new_polling = 1;

@@ -629,9 +630,20 @@ static int ehci_run (struct usb_hcd *hcd)
down_write(&ehci_cf_port_reset_rwsem);
ehci->rh_state = EHCI_RH_RUNNING;
ehci_writel(ehci, FLAG_CF, &ehci->regs->configured_flag);
+
+ /* Wait until HC become operational */
ehci_readl(ehci, &ehci->regs->command); /* unblock posted writes */
msleep(5);
+ rc = ehci_handshake(ehci, &ehci->regs->status, STS_HALT, 0, 100 * 1000);
+
up_write(&ehci_cf_port_reset_rwsem);
+
+ if (rc) {
+ ehci_err(ehci, "USB %x.%x, controller refused to start: %d\n",
+ ((ehci->sbrn & 0xf0)>>4), (ehci->sbrn & 0x0f), rc);
+ return rc;
+ }
+
ehci->last_periodic_enable = ktime_get_real();

temp = HC_VERSION(ehci, ehci_readl(ehci, &ehci->caps->hc_capbase));
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index 087402aec5cb..9f9ab5ccea88 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -345,6 +345,9 @@ static int ehci_bus_suspend (struct usb_hcd *hcd)

unlink_empty_async_suspended(ehci);

+ /* Some Synopsys controllers mistakenly leave IAA turned on */
+ ehci_writel(ehci, STS_IAA, &ehci->regs->status);
+
/* Any IAA cycle that started before the suspend is now invalid */
end_iaa_cycle(ehci);
ehci_handle_start_intr_unlinks(ehci);
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 2a19d9a37a6a..537bbcd47c46 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2835,6 +2835,8 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
trb->field[0] = cpu_to_le32(field1);
trb->field[1] = cpu_to_le32(field2);
trb->field[2] = cpu_to_le32(field3);
+ /* make sure TRB is fully written before giving it to the controller */
+ wmb();
trb->field[3] = cpu_to_le32(field4);

trace_xhci_queue_trb(ring, trb);
diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index fe37dacc695f..dc9cd8c519cf 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -578,6 +578,13 @@ static void tegra_xusb_mbox_handle(struct tegra_xusb *tegra,
enable);
if (err < 0)
break;
+
+ /*
+ * wait 500us for LFPS detector to be disabled before
+ * sending ACK
+ */
+ if (!enable)
+ usleep_range(500, 1000);
}

if (err < 0) {
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index aca845675279..8c08c7d46d3d 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -1987,16 +1987,6 @@ static struct irq_chip xen_percpu_chip __read_mostly = {
.irq_ack = ack_dynirq,
};

-int xen_set_callback_via(uint64_t via)
-{
- struct xen_hvm_param a;
- a.domid = DOMID_SELF;
- a.index = HVM_PARAM_CALLBACK_IRQ;
- a.value = via;
- return HYPERVISOR_hvm_op(HVMOP_set_param, &a);
-}
-EXPORT_SYMBOL_GPL(xen_set_callback_via);
-
#ifdef CONFIG_XEN_PVHVM
/* Vector callbacks are better than PCI interrupts to receive event
* channel notifications because we can receive vector callbacks on any
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index 5d7dcad0b0a0..4cec8146609a 100644
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -162,7 +162,6 @@ static int platform_pci_probe(struct pci_dev *pdev,
ret = gnttab_init();
if (ret)
goto grant_out;
- xenbus_probe(NULL);
return 0;
grant_out:
gnttab_free_auto_xlat_frames();
diff --git a/drivers/xen/xenbus/xenbus.h b/drivers/xen/xenbus/xenbus.h
index 88516a8a9f93..a9bb5f91082d 100644
--- a/drivers/xen/xenbus/xenbus.h
+++ b/drivers/xen/xenbus/xenbus.h
@@ -115,6 +115,7 @@ int xenbus_probe_node(struct xen_bus_type *bus,
const char *type,
const char *nodename);
int xenbus_probe_devices(struct xen_bus_type *bus);
+void xenbus_probe(void);

void xenbus_dev_changed(const char *node, struct xen_bus_type *bus);

diff --git a/drivers/xen/xenbus/xenbus_comms.c b/drivers/xen/xenbus/xenbus_comms.c
index eb5151fc8efa..e5fda0256feb 100644
--- a/drivers/xen/xenbus/xenbus_comms.c
+++ b/drivers/xen/xenbus/xenbus_comms.c
@@ -57,16 +57,8 @@ DEFINE_MUTEX(xs_response_mutex);
static int xenbus_irq;
static struct task_struct *xenbus_task;

-static DECLARE_WORK(probe_work, xenbus_probe);
-
-
static irqreturn_t wake_waiting(int irq, void *unused)
{
- if (unlikely(xenstored_ready == 0)) {
- xenstored_ready = 1;
- schedule_work(&probe_work);
- }
-
wake_up(&xb_waitq);
return IRQ_HANDLED;
}
diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c
index e6d0903459e1..14ccf13ab8fa 100644
--- a/drivers/xen/xenbus/xenbus_probe.c
+++ b/drivers/xen/xenbus/xenbus_probe.c
@@ -683,29 +683,76 @@ void unregister_xenstore_notifier(struct notifier_block *nb)
}
EXPORT_SYMBOL_GPL(unregister_xenstore_notifier);

-void xenbus_probe(struct work_struct *unused)
+void xenbus_probe(void)
{
xenstored_ready = 1;

+ /*
+ * In the HVM case, xenbus_init() deferred its call to
+ * xs_init() in case callbacks were not operational yet.
+ * So do it now.
+ */
+ if (xen_store_domain_type == XS_HVM)
+ xs_init();
+
/* Notify others that xenstore is up */
blocking_notifier_call_chain(&xenstore_chain, 0, NULL);
}
-EXPORT_SYMBOL_GPL(xenbus_probe);

-static int __init xenbus_probe_initcall(void)
+/*
+ * Returns true when XenStore init must be deferred in order to
+ * allow the PCI platform device to be initialised, before we
+ * can actually have event channel interrupts working.
+ */
+static bool xs_hvm_defer_init_for_callback(void)
{
- if (!xen_domain())
- return -ENODEV;
+#ifdef CONFIG_XEN_PVHVM
+ return xen_store_domain_type == XS_HVM &&
+ !xen_have_vector_callback;
+#else
+ return false;
+#endif
+}

- if (xen_initial_domain() || xen_hvm_domain())
- return 0;
+static int __init xenbus_probe_initcall(void)
+{
+ /*
+ * Probe XenBus here in the XS_PV case, and also XS_HVM unless we
+ * need to wait for the platform PCI device to come up.
+ */
+ if (xen_store_domain_type == XS_PV ||
+ (xen_store_domain_type == XS_HVM &&
+ !xs_hvm_defer_init_for_callback()))
+ xenbus_probe();

- xenbus_probe(NULL);
return 0;
}
-
device_initcall(xenbus_probe_initcall);

+int xen_set_callback_via(uint64_t via)
+{
+ struct xen_hvm_param a;
+ int ret;
+
+ a.domid = DOMID_SELF;
+ a.index = HVM_PARAM_CALLBACK_IRQ;
+ a.value = via;
+
+ ret = HYPERVISOR_hvm_op(HVMOP_set_param, &a);
+ if (ret)
+ return ret;
+
+ /*
+ * If xenbus_probe_initcall() deferred the xenbus_probe()
+ * due to the callback not functioning yet, we can do it now.
+ */
+ if (!xenstored_ready && xs_hvm_defer_init_for_callback())
+ xenbus_probe();
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(xen_set_callback_via);
+
/* Set up event channel for xenstored which is run as a local process
* (this is normally used only in dom0)
*/
@@ -818,11 +865,17 @@ static int __init xenbus_init(void)
break;
}

- /* Initialize the interface to xenstore. */
- err = xs_init();
- if (err) {
- pr_warn("Error initializing xenstore comms: %i\n", err);
- goto out_error;
+ /*
+ * HVM domains may not have a functional callback yet. In that
+ * case let xs_init() be called from xenbus_probe(), which will
+ * get invoked at an appropriate time.
+ */
+ if (xen_store_domain_type != XS_HVM) {
+ err = xs_init();
+ if (err) {
+ pr_warn("Error initializing xenstore comms: %i\n", err);
+ goto out_error;
+ }
}

if ((xen_store_domain_type != XS_LOCAL) &&
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 95b6a4ea18f7..662711200eeb 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4011,6 +4011,8 @@ int btrfs_recover_balance(struct btrfs_fs_info *fs_info)
btrfs_warn(fs_info,
"balance: cannot set exclusive op status, resume manually");

+ btrfs_release_path(path);
+
mutex_lock(&fs_info->balance_mutex);
BUG_ON(fs_info->balance_ctl);
spin_lock(&fs_info->balance_lock);
diff --git a/include/xen/xenbus.h b/include/xen/xenbus.h
index eba01ab5a55e..fe9a9fa2ebc4 100644
--- a/include/xen/xenbus.h
+++ b/include/xen/xenbus.h
@@ -187,7 +187,7 @@ void xs_suspend_cancel(void);

struct work_struct;

-void xenbus_probe(struct work_struct *);
+void xenbus_probe(void);

#define XENBUS_IS_ERR_READ(str) ({ \
if (!IS_ERR(str) && strlen(str) == 0) { \
diff --git a/mm/kasan/kasan_init.c b/mm/kasan/kasan_init.c
index 7a2a2f13f86f..7a731c74be7d 100644
--- a/mm/kasan/kasan_init.c
+++ b/mm/kasan/kasan_init.c
@@ -372,9 +372,10 @@ static void kasan_remove_pmd_table(pmd_t *pmd, unsigned long addr,

if (kasan_pte_table(*pmd)) {
if (IS_ALIGNED(addr, PMD_SIZE) &&
- IS_ALIGNED(next, PMD_SIZE))
+ IS_ALIGNED(next, PMD_SIZE)) {
pmd_clear(pmd);
- continue;
+ continue;
+ }
}
pte = pte_offset_kernel(pmd, addr);
kasan_remove_pte_table(pte, addr, next);
@@ -397,9 +398,10 @@ static void kasan_remove_pud_table(pud_t *pud, unsigned long addr,

if (kasan_pmd_table(*pud)) {
if (IS_ALIGNED(addr, PUD_SIZE) &&
- IS_ALIGNED(next, PUD_SIZE))
+ IS_ALIGNED(next, PUD_SIZE)) {
pud_clear(pud);
- continue;
+ continue;
+ }
}
pmd = pmd_offset(pud, addr);
pmd_base = pmd_offset(pud, 0);
@@ -423,9 +425,10 @@ static void kasan_remove_p4d_table(p4d_t *p4d, unsigned long addr,

if (kasan_pud_table(*p4d)) {
if (IS_ALIGNED(addr, P4D_SIZE) &&
- IS_ALIGNED(next, P4D_SIZE))
+ IS_ALIGNED(next, P4D_SIZE)) {
p4d_clear(p4d);
- continue;
+ continue;
+ }
}
pud = pud_offset(p4d, addr);
kasan_remove_pud_table(pud, addr, next);
@@ -457,9 +460,10 @@ void kasan_remove_zero_shadow(void *start, unsigned long size)

if (kasan_p4d_table(*pgd)) {
if (IS_ALIGNED(addr, PGDIR_SIZE) &&
- IS_ALIGNED(next, PGDIR_SIZE))
+ IS_ALIGNED(next, PGDIR_SIZE)) {
pgd_clear(pgd);
- continue;
+ continue;
+ }
}

p4d = p4d_offset(pgd, addr);
@@ -483,7 +487,6 @@ int kasan_add_zero_shadow(void *start, unsigned long size)

ret = kasan_populate_zero_shadow(shadow_start, shadow_end);
if (ret)
- kasan_remove_zero_shadow(shadow_start,
- size >> KASAN_SHADOW_SCALE_SHIFT);
+ kasan_remove_zero_shadow(start, size);
return ret;
}
diff --git a/net/core/dev.c b/net/core/dev.c
index c77d12a35f92..5d9800804d4a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -8351,6 +8351,11 @@ static netdev_features_t netdev_fix_features(struct net_device *dev,
}
}

+ if ((features & NETIF_F_HW_TLS_RX) && !(features & NETIF_F_RXCSUM)) {
+ netdev_dbg(dev, "Dropping TLS RX HW offload feature since no RXCSUM feature.\n");
+ features &= ~NETIF_F_HW_TLS_RX;
+ }
+
return features;
}

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 73f208466363..4a9ab2596e78 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -398,7 +398,11 @@ struct sk_buff *__netdev_alloc_skb(struct net_device *dev, unsigned int len,

len += NET_SKB_PAD;

- if ((len > SKB_WITH_OVERHEAD(PAGE_SIZE)) ||
+ /* If requested length is either too small or too big,
+ * we use kmalloc() for skb->head allocation.
+ */
+ if (len <= SKB_WITH_OVERHEAD(1024) ||
+ len > SKB_WITH_OVERHEAD(PAGE_SIZE) ||
(gfp_mask & (__GFP_DIRECT_RECLAIM | GFP_DMA))) {
skb = __alloc_skb(len, gfp_mask, SKB_ALLOC_RX, NUMA_NO_NODE);
if (!skb)
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index 74b19a5c572e..088320ce77a1 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -94,7 +94,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
flow.daddr = iph->saddr;
flow.saddr = rpfilter_get_saddr(iph->daddr);
flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
- flow.flowi4_tos = RT_TOS(iph->tos);
+ flow.flowi4_tos = iph->tos & IPTOS_RT_MASK;
flow.flowi4_scope = RT_SCOPE_UNIVERSE;
flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par));

diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 2aacf2b34834..110af0e7dc7b 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2416,7 +2416,8 @@ int udp_v4_early_demux(struct sk_buff *skb)
*/
if (!inet_sk(sk)->inet_daddr && in_dev)
return ip_mc_validate_source(skb, iph->daddr,
- iph->saddr, iph->tos,
+ iph->saddr,
+ iph->tos & IPTOS_RT_MASK,
skb->dev, in_dev, &itag);
}
return 0;
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 627cd24b7c0d..76c097552ea7 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -2395,8 +2395,9 @@ static void addrconf_add_mroute(struct net_device *dev)
.fc_ifindex = dev->ifindex,
.fc_dst_len = 8,
.fc_flags = RTF_UP,
- .fc_type = RTN_UNICAST,
+ .fc_type = RTN_MULTICAST,
.fc_nlinfo.nl_net = dev_net(dev),
+ .fc_protocol = RTPROT_KERNEL,
};

ipv6_addr_set(&cfg.fc_dst, htonl(0xFF000000), 0, 0, 0);
diff --git a/net/sched/cls_tcindex.c b/net/sched/cls_tcindex.c
index 0d7a0aac8dbb..e41bc5ecaa09 100644
--- a/net/sched/cls_tcindex.c
+++ b/net/sched/cls_tcindex.c
@@ -339,9 +339,13 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
if (tb[TCA_TCINDEX_MASK])
cp->mask = nla_get_u16(tb[TCA_TCINDEX_MASK]);

- if (tb[TCA_TCINDEX_SHIFT])
+ if (tb[TCA_TCINDEX_SHIFT]) {
cp->shift = nla_get_u32(tb[TCA_TCINDEX_SHIFT]);
-
+ if (cp->shift > 16) {
+ err = -EINVAL;
+ goto errout;
+ }
+ }
if (!cp->hash) {
/* Hash not specified, use perfect hash if the upper limit
* of the hashing index is below the threshold.
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 39e319d04bb8..ed065c3432e5 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -398,7 +398,8 @@ struct qdisc_rate_table *qdisc_get_rtab(struct tc_ratespec *r,
{
struct qdisc_rate_table *rtab;

- if (tab == NULL || r->rate == 0 || r->cell_log == 0 ||
+ if (tab == NULL || r->rate == 0 ||
+ r->cell_log == 0 || r->cell_log >= 32 ||
nla_len(tab) != TC_RTAB_SIZE) {
NL_SET_ERR_MSG(extack, "Invalid rate table parameters for searching");
return NULL;
diff --git a/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c
index c93945917235..247b68790a52 100644
--- a/sound/core/seq/oss/seq_oss_synth.c
+++ b/sound/core/seq/oss/seq_oss_synth.c
@@ -624,7 +624,8 @@ snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_in

if (info->is_midi) {
struct midi_info minf;
- snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf);
+ if (snd_seq_oss_midi_make_info(dp, info->midi_mapped, &minf))
+ return -ENXIO;
inf->synth_type = SYNTH_TYPE_MIDI;
inf->synth_subtype = 0;
inf->nr_voices = 16;
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 11bf7ace5ab2..efba9057b2b6 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -126,6 +126,7 @@ static struct via_spec *via_new_spec(struct hda_codec *codec)
spec->codec_type = VT1708S;
spec->gen.indep_hp = 1;
spec->gen.keep_eapd_on = 1;
+ spec->gen.dac_min_mute = 1;
spec->gen.pcm_playback_hook = via_playback_pcm_hook;
spec->gen.add_stereo_mix_input = HDA_HINT_STEREO_MIX_AUTO;
codec->power_save_node = 1;
diff --git a/sound/soc/intel/boards/haswell.c b/sound/soc/intel/boards/haswell.c
index a4022983a7ce..67eb4a446c3c 100644
--- a/sound/soc/intel/boards/haswell.c
+++ b/sound/soc/intel/boards/haswell.c
@@ -198,6 +198,7 @@ static struct platform_driver haswell_audio = {
.probe = haswell_audio_probe,
.driver = {
.name = "haswell-audio",
+ .pm = &snd_soc_pm_ops,
},
};

diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
index 67048f922ff2..a5ba149761bf 100755
--- a/tools/testing/selftests/net/fib_tests.sh
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -987,7 +987,6 @@ ipv6_addr_metric_test()

check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 260"
log_test $? 0 "Set metric with peer route on local side"
- log_test $? 0 "User specified metric on local address"
check_route6 "2001:db8:104::2 dev dummy2 proto kernel metric 260"
log_test $? 0 "Set metric with peer route on peer side"