Re: Linux 4.18.17

From: Greg KH
Date: Sun Nov 04 2018 - 09:39:58 EST


diff --git a/Makefile b/Makefile
index 034dd990b0ae..c051db0ca5a0 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 18
-SUBLEVEL = 16
+SUBLEVEL = 17
EXTRAVERSION =
NAME = Merciless Moray

diff --git a/arch/Kconfig b/arch/Kconfig
index f03b72644902..a18371a36e03 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -977,4 +977,12 @@ config REFCOUNT_FULL
against various use-after-free conditions that can be used in
security flaw exploits.

+config HAVE_ARCH_COMPILER_H
+ bool
+ help
+ An architecture can select this if it provides an
+ asm/compiler.h header that should be included after
+ linux/compiler-*.h in order to override macro definitions that those
+ headers generally provide.
+
source "kernel/gcov/Kconfig"
diff --git a/arch/arm/boot/dts/bcm63138.dtsi b/arch/arm/boot/dts/bcm63138.dtsi
index 43ee992ccdcf..6df61518776f 100644
--- a/arch/arm/boot/dts/bcm63138.dtsi
+++ b/arch/arm/boot/dts/bcm63138.dtsi
@@ -106,21 +106,23 @@
global_timer: timer@1e200 {
compatible = "arm,cortex-a9-global-timer";
reg = <0x1e200 0x20>;
- interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_PPI 11 IRQ_TYPE_EDGE_RISING>;
clocks = <&axi_clk>;
};

local_timer: local-timer@1e600 {
compatible = "arm,cortex-a9-twd-timer";
reg = <0x1e600 0x20>;
- interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_EDGE_RISING)>;
clocks = <&axi_clk>;
};

twd_watchdog: watchdog@1e620 {
compatible = "arm,cortex-a9-twd-wdt";
reg = <0x1e620 0x20>;
- interrupts = <GIC_PPI 14 IRQ_TYPE_LEVEL_HIGH>;
+ interrupts = <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) |
+ IRQ_TYPE_LEVEL_HIGH)>;
};

armpll: armpll {
@@ -158,7 +160,7 @@
serial0: serial@600 {
compatible = "brcm,bcm6345-uart";
reg = <0x600 0x1b>;
- interrupts = <GIC_SPI 32 0>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&periph_clk>;
clock-names = "periph";
status = "disabled";
@@ -167,7 +169,7 @@
serial1: serial@620 {
compatible = "brcm,bcm6345-uart";
reg = <0x620 0x1b>;
- interrupts = <GIC_SPI 33 0>;
+ interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&periph_clk>;
clock-names = "periph";
status = "disabled";
@@ -180,7 +182,7 @@
reg = <0x2000 0x600>, <0xf0 0x10>;
reg-names = "nand", "nand-int-base";
status = "disabled";
- interrupts = <GIC_SPI 38 0>;
+ interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "nand";
};

diff --git a/arch/arm/boot/dts/imx53-qsb-common.dtsi b/arch/arm/boot/dts/imx53-qsb-common.dtsi
index ef7658a78836..c1548adee789 100644
--- a/arch/arm/boot/dts/imx53-qsb-common.dtsi
+++ b/arch/arm/boot/dts/imx53-qsb-common.dtsi
@@ -123,6 +123,17 @@
};
};

+&cpu0 {
+ /* CPU rated to 1GHz, not 1.2GHz as per the default settings */
+ operating-points = <
+ /* kHz uV */
+ 166666 850000
+ 400000 900000
+ 800000 1050000
+ 1000000 1200000
+ >;
+};
+
&esdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc1>;
diff --git a/arch/arm/kernel/vmlinux.lds.h b/arch/arm/kernel/vmlinux.lds.h
index ae5fdff18406..8247bc15addc 100644
--- a/arch/arm/kernel/vmlinux.lds.h
+++ b/arch/arm/kernel/vmlinux.lds.h
@@ -49,6 +49,8 @@
#define ARM_DISCARD \
*(.ARM.exidx.exit.text) \
*(.ARM.extab.exit.text) \
+ *(.ARM.exidx.text.exit) \
+ *(.ARM.extab.text.exit) \
ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) \
ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) \
ARM_EXIT_DISCARD(EXIT_TEXT) \
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index fc91205ff46c..5bf9443cfbaa 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -473,7 +473,7 @@ void pci_ioremap_set_mem_type(int mem_type)

int pci_ioremap_io(unsigned int offset, phys_addr_t phys_addr)
{
- BUG_ON(offset + SZ_64K > IO_SPACE_LIMIT);
+ BUG_ON(offset + SZ_64K - 1 > IO_SPACE_LIMIT);

return ioremap_page_range(PCI_IO_VIRT_BASE + offset,
PCI_IO_VIRT_BASE + offset + SZ_64K,
diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c
index 192b3ba07075..f85be2f8b140 100644
--- a/arch/arm64/mm/hugetlbpage.c
+++ b/arch/arm64/mm/hugetlbpage.c
@@ -117,11 +117,14 @@ static pte_t get_clear_flush(struct mm_struct *mm,

/*
* If HW_AFDBM is enabled, then the HW could turn on
- * the dirty bit for any page in the set, so check
- * them all. All hugetlb entries are already young.
+ * the dirty or accessed bit for any page in the set,
+ * so check them all.
*/
if (pte_dirty(pte))
orig_pte = pte_mkdirty(orig_pte);
+
+ if (pte_young(pte))
+ orig_pte = pte_mkyoung(orig_pte);
}

if (valid) {
@@ -340,10 +343,13 @@ int huge_ptep_set_access_flags(struct vm_area_struct *vma,
if (!pte_same(orig_pte, pte))
changed = 1;

- /* Make sure we don't lose the dirty state */
+ /* Make sure we don't lose the dirty or young state */
if (pte_dirty(orig_pte))
pte = pte_mkdirty(pte);

+ if (pte_young(orig_pte))
+ pte = pte_mkyoung(pte);
+
hugeprot = pte_pgprot(pte);
for (i = 0; i < ncontig; i++, ptep++, addr += pgsize, pfn += dpfn)
set_pte_at(vma->vm_mm, addr, ptep, pfn_pte(pfn, hugeprot));
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index 59d07bd5374a..055b211b7126 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -1217,9 +1217,10 @@ int find_and_online_cpu_nid(int cpu)
* Need to ensure that NODE_DATA is initialized for a node from
* available memory (see memblock_alloc_try_nid). If unable to
* init the node, then default to nearest node that has memory
- * installed.
+ * installed. Skip onlining a node if the subsystems are not
+ * yet initialized.
*/
- if (try_online_node(new_nid))
+ if (!topology_inited || try_online_node(new_nid))
new_nid = first_online_node;
#else
/*
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index 0efa5b29d0a3..dcff272aee06 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -165,7 +165,7 @@ static void __init setup_bootmem(void)
BUG_ON(mem_size == 0);

set_max_mapnr(PFN_DOWN(mem_size));
- max_low_pfn = pfn_base + PFN_DOWN(mem_size);
+ max_low_pfn = memblock_end_of_DRAM();

#ifdef CONFIG_BLK_DEV_INITRD
setup_initrd();
diff --git a/arch/sparc/include/asm/cpudata_64.h b/arch/sparc/include/asm/cpudata_64.h
index 666d6b5c0440..9c3fc03abe9a 100644
--- a/arch/sparc/include/asm/cpudata_64.h
+++ b/arch/sparc/include/asm/cpudata_64.h
@@ -28,7 +28,7 @@ typedef struct {
unsigned short sock_id; /* physical package */
unsigned short core_id;
unsigned short max_cache_id; /* groupings of highest shared cache */
- unsigned short proc_id; /* strand (aka HW thread) id */
+ signed short proc_id; /* strand (aka HW thread) id */
} cpuinfo_sparc;

DECLARE_PER_CPU(cpuinfo_sparc, __cpu_data);
diff --git a/arch/sparc/include/asm/switch_to_64.h b/arch/sparc/include/asm/switch_to_64.h
index 4ff29b1406a9..b1d4e2e3210f 100644
--- a/arch/sparc/include/asm/switch_to_64.h
+++ b/arch/sparc/include/asm/switch_to_64.h
@@ -67,6 +67,7 @@ do { save_and_clear_fpu(); \
} while(0)

void synchronize_user_stack(void);
-void fault_in_user_windows(void);
+struct pt_regs;
+void fault_in_user_windows(struct pt_regs *);

#endif /* __SPARC64_SWITCH_TO_64_H */
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index d3149baaa33c..67b3e6b3ce5d 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -24,6 +24,7 @@
#include <asm/cpudata.h>
#include <linux/uaccess.h>
#include <linux/atomic.h>
+#include <linux/sched/clock.h>
#include <asm/nmi.h>
#include <asm/pcr.h>
#include <asm/cacheflush.h>
@@ -927,6 +928,8 @@ static void read_in_all_counters(struct cpu_hw_events *cpuc)
sparc_perf_event_update(cp, &cp->hw,
cpuc->current_idx[i]);
cpuc->current_idx[i] = PIC_NO_INDEX;
+ if (cp->hw.state & PERF_HES_STOPPED)
+ cp->hw.state |= PERF_HES_ARCH;
}
}
}
@@ -959,10 +962,12 @@ static void calculate_single_pcr(struct cpu_hw_events *cpuc)

enc = perf_event_get_enc(cpuc->events[i]);
cpuc->pcr[0] &= ~mask_for_index(idx);
- if (hwc->state & PERF_HES_STOPPED)
+ if (hwc->state & PERF_HES_ARCH) {
cpuc->pcr[0] |= nop_for_index(idx);
- else
+ } else {
cpuc->pcr[0] |= event_encoding(enc, idx);
+ hwc->state = 0;
+ }
}
out:
cpuc->pcr[0] |= cpuc->event[0]->hw.config_base;
@@ -988,6 +993,9 @@ static void calculate_multiple_pcrs(struct cpu_hw_events *cpuc)

cpuc->current_idx[i] = idx;

+ if (cp->hw.state & PERF_HES_ARCH)
+ continue;
+
sparc_pmu_start(cp, PERF_EF_RELOAD);
}
out:
@@ -1079,6 +1087,8 @@ static void sparc_pmu_start(struct perf_event *event, int flags)
event->hw.state = 0;

sparc_pmu_enable_event(cpuc, &event->hw, idx);
+
+ perf_event_update_userpage(event);
}

static void sparc_pmu_stop(struct perf_event *event, int flags)
@@ -1371,9 +1381,9 @@ static int sparc_pmu_add(struct perf_event *event, int ef_flags)
cpuc->events[n0] = event->hw.event_base;
cpuc->current_idx[n0] = PIC_NO_INDEX;

- event->hw.state = PERF_HES_UPTODATE;
+ event->hw.state = PERF_HES_UPTODATE | PERF_HES_STOPPED;
if (!(ef_flags & PERF_EF_START))
- event->hw.state |= PERF_HES_STOPPED;
+ event->hw.state |= PERF_HES_ARCH;

/*
* If group events scheduling transaction was started,
@@ -1603,6 +1613,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
struct perf_sample_data data;
struct cpu_hw_events *cpuc;
struct pt_regs *regs;
+ u64 finish_clock;
+ u64 start_clock;
int i;

if (!atomic_read(&active_events))
@@ -1616,6 +1628,8 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
return NOTIFY_DONE;
}

+ start_clock = sched_clock();
+
regs = args->regs;

cpuc = this_cpu_ptr(&cpu_hw_events);
@@ -1654,6 +1668,10 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
sparc_pmu_stop(event, 0);
}

+ finish_clock = sched_clock();
+
+ perf_sample_event_took(finish_clock - start_clock);
+
return NOTIFY_STOP;
}

diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 6c086086ca8f..59eaf6227af1 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -36,6 +36,7 @@
#include <linux/sysrq.h>
#include <linux/nmi.h>
#include <linux/context_tracking.h>
+#include <linux/signal.h>

#include <linux/uaccess.h>
#include <asm/page.h>
@@ -521,7 +522,12 @@ static void stack_unaligned(unsigned long sp)
force_sig_fault(SIGBUS, BUS_ADRALN, (void __user *) sp, 0, current);
}

-void fault_in_user_windows(void)
+static const char uwfault32[] = KERN_INFO \
+ "%s[%d]: bad register window fault: SP %08lx (orig_sp %08lx) TPC %08lx O7 %08lx\n";
+static const char uwfault64[] = KERN_INFO \
+ "%s[%d]: bad register window fault: SP %016lx (orig_sp %016lx) TPC %08lx O7 %016lx\n";
+
+void fault_in_user_windows(struct pt_regs *regs)
{
struct thread_info *t = current_thread_info();
unsigned long window;
@@ -534,9 +540,9 @@ void fault_in_user_windows(void)
do {
struct reg_window *rwin = &t->reg_window[window];
int winsize = sizeof(struct reg_window);
- unsigned long sp;
+ unsigned long sp, orig_sp;

- sp = t->rwbuf_stkptrs[window];
+ orig_sp = sp = t->rwbuf_stkptrs[window];

if (test_thread_64bit_stack(sp))
sp += STACK_BIAS;
@@ -547,8 +553,16 @@ void fault_in_user_windows(void)
stack_unaligned(sp);

if (unlikely(copy_to_user((char __user *)sp,
- rwin, winsize)))
+ rwin, winsize))) {
+ if (show_unhandled_signals)
+ printk_ratelimited(is_compat_task() ?
+ uwfault32 : uwfault64,
+ current->comm, current->pid,
+ sp, orig_sp,
+ regs->tpc,
+ regs->u_regs[UREG_I7]);
goto barf;
+ }
} while (window--);
}
set_thread_wsaved(0);
@@ -556,8 +570,7 @@ void fault_in_user_windows(void)

barf:
set_thread_wsaved(window + 1);
- user_exit();
- do_exit(SIGILL);
+ force_sig(SIGSEGV, current);
}

asmlinkage long sparc_do_fork(unsigned long clone_flags,
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index f6528884a2c8..29aa34f11720 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -39,6 +39,7 @@ __handle_preemption:
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate

__handle_user_windows:
+ add %sp, PTREGS_OFF, %o0
call fault_in_user_windows
661: wrpr %g0, RTRAP_PSTATE, %pstate
/* If userspace is using ADI, it could potentially pass
@@ -84,8 +85,9 @@ __handle_signal:
ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
sethi %hi(0xf << 20), %l4
and %l1, %l4, %l4
+ andn %l1, %l4, %l1
ba,pt %xcc, __handle_preemption_continue
- andn %l1, %l4, %l1
+ srl %l4, 20, %l4

/* When returning from a NMI (%pil==15) interrupt we want to
* avoid running softirqs, doing IRQ tracing, preempting, etc.
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index 44d379db3f64..4c5b3fcbed94 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -371,7 +371,11 @@ static int setup_frame32(struct ksignal *ksig, struct pt_regs *regs,
get_sigframe(ksig, regs, sigframe_size);

if (invalid_frame_pointer(sf, sigframe_size)) {
- do_exit(SIGILL);
+ if (show_unhandled_signals)
+ pr_info("%s[%d] bad frame in setup_frame32: %08lx TPC %08lx O7 %08lx\n",
+ current->comm, current->pid, (unsigned long)sf,
+ regs->tpc, regs->u_regs[UREG_I7]);
+ force_sigsegv(ksig->sig, current);
return -EINVAL;
}

@@ -501,7 +505,11 @@ static int setup_rt_frame32(struct ksignal *ksig, struct pt_regs *regs,
get_sigframe(ksig, regs, sigframe_size);

if (invalid_frame_pointer(sf, sigframe_size)) {
- do_exit(SIGILL);
+ if (show_unhandled_signals)
+ pr_info("%s[%d] bad frame in setup_rt_frame32: %08lx TPC %08lx O7 %08lx\n",
+ current->comm, current->pid, (unsigned long)sf,
+ regs->tpc, regs->u_regs[UREG_I7]);
+ force_sigsegv(ksig->sig, current);
return -EINVAL;
}

diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index 48366e5eb5b2..e9de1803a22e 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -370,7 +370,11 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs)
get_sigframe(ksig, regs, sf_size);

if (invalid_frame_pointer (sf)) {
- do_exit(SIGILL); /* won't return, actually */
+ if (show_unhandled_signals)
+ pr_info("%s[%d] bad frame in setup_rt_frame: %016lx TPC %016lx O7 %016lx\n",
+ current->comm, current->pid, (unsigned long)sf,
+ regs->tpc, regs->u_regs[UREG_I7]);
+ force_sigsegv(ksig->sig, current);
return -EINVAL;
}

diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 387ef993880a..25699462ad5b 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -47,9 +47,9 @@ sys_call_table32:
.word sys_recvfrom, sys_setreuid16, sys_setregid16, sys_rename, compat_sys_truncate
/*130*/ .word compat_sys_ftruncate, sys_flock, compat_sys_lstat64, sys_sendto, sys_shutdown
.word sys_socketpair, sys_mkdir, sys_rmdir, compat_sys_utimes, compat_sys_stat64
-/*140*/ .word sys_sendfile64, sys_nis_syscall, compat_sys_futex, sys_gettid, compat_sys_getrlimit
+/*140*/ .word sys_sendfile64, sys_getpeername, compat_sys_futex, sys_gettid, compat_sys_getrlimit
.word compat_sys_setrlimit, sys_pivot_root, sys_prctl, sys_pciconfig_read, sys_pciconfig_write
-/*150*/ .word sys_nis_syscall, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
+/*150*/ .word sys_getsockname, sys_inotify_init, sys_inotify_add_watch, sys_poll, sys_getdents64
.word compat_sys_fcntl64, sys_inotify_rm_watch, compat_sys_statfs, compat_sys_fstatfs, sys_oldumount
/*160*/ .word compat_sys_sched_setaffinity, compat_sys_sched_getaffinity, sys_getdomainname, sys_setdomainname, sys_nis_syscall
.word sys_quotactl, sys_set_tid_address, compat_sys_mount, compat_sys_ustat, sys_setxattr
diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c
index f396048a0d68..39822f611c01 100644
--- a/arch/sparc/mm/init_64.c
+++ b/arch/sparc/mm/init_64.c
@@ -1383,6 +1383,7 @@ int __node_distance(int from, int to)
}
return numa_latency[from][to];
}
+EXPORT_SYMBOL(__node_distance);

static int __init find_best_numa_node_for_mlgroup(struct mdesc_mlgroup *grp)
{
diff --git a/arch/sparc/vdso/vclock_gettime.c b/arch/sparc/vdso/vclock_gettime.c
index 3feb3d960ca5..75dca9aab737 100644
--- a/arch/sparc/vdso/vclock_gettime.c
+++ b/arch/sparc/vdso/vclock_gettime.c
@@ -33,9 +33,19 @@
#define TICK_PRIV_BIT (1ULL << 63)
#endif

+#ifdef CONFIG_SPARC64
#define SYSCALL_STRING \
"ta 0x6d;" \
- "sub %%g0, %%o0, %%o0;" \
+ "bcs,a 1f;" \
+ " sub %%g0, %%o0, %%o0;" \
+ "1:"
+#else
+#define SYSCALL_STRING \
+ "ta 0x10;" \
+ "bcs,a 1f;" \
+ " sub %%g0, %%o0, %%o0;" \
+ "1:"
+#endif

#define SYSCALL_CLOBBERS \
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index 981ba5e8241b..8671de126eac 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -36,6 +36,7 @@

static int num_counters_llc;
static int num_counters_nb;
+static bool l3_mask;

static HLIST_HEAD(uncore_unused_list);

@@ -209,6 +210,13 @@ static int amd_uncore_event_init(struct perf_event *event)
hwc->config = event->attr.config & AMD64_RAW_EVENT_MASK_NB;
hwc->idx = -1;

+ /*
+ * SliceMask and ThreadMask need to be set for certain L3 events in
+ * Family 17h. For other events, the two fields do not affect the count.
+ */
+ if (l3_mask)
+ hwc->config |= (AMD64_L3_SLICE_MASK | AMD64_L3_THREAD_MASK);
+
if (event->cpu < 0)
return -EINVAL;

@@ -525,6 +533,7 @@ static int __init amd_uncore_init(void)
amd_llc_pmu.name = "amd_l3";
format_attr_event_df.show = &event_show_df;
format_attr_event_l3.show = &event_show_l3;
+ l3_mask = true;
} else {
num_counters_nb = NUM_COUNTERS_NB;
num_counters_llc = NUM_COUNTERS_L2;
@@ -532,6 +541,7 @@ static int __init amd_uncore_init(void)
amd_llc_pmu.name = "amd_l2";
format_attr_event_df = format_attr_event;
format_attr_event_l3 = format_attr_event;
+ l3_mask = false;
}

amd_nb_pmu.attr_groups = amd_uncore_attr_groups_df;
diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 51d7c117e3c7..c07bee31abe8 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3061,7 +3061,7 @@ static struct event_constraint bdx_uncore_pcu_constraints[] = {

void bdx_uncore_cpu_init(void)
{
- int pkg = topology_phys_to_logical_pkg(0);
+ int pkg = topology_phys_to_logical_pkg(boot_cpu_data.phys_proc_id);

if (bdx_uncore_cbox.num_boxes > boot_cpu_data.x86_max_cores)
bdx_uncore_cbox.num_boxes = boot_cpu_data.x86_max_cores;
@@ -3931,16 +3931,16 @@ static const struct pci_device_id skx_uncore_pci_ids[] = {
.driver_data = UNCORE_PCI_DEV_FULL_DATA(21, 5, SKX_PCI_UNCORE_M2PCIE, 3),
},
{ /* M3UPI0 Link 0 */
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204C),
- .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 0, SKX_PCI_UNCORE_M3UPI, 0),
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204D),
+ .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 1, SKX_PCI_UNCORE_M3UPI, 0),
},
{ /* M3UPI0 Link 1 */
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204D),
- .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 1, SKX_PCI_UNCORE_M3UPI, 1),
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204E),
+ .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 2, SKX_PCI_UNCORE_M3UPI, 1),
},
{ /* M3UPI1 Link 2 */
- PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204C),
- .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 4, SKX_PCI_UNCORE_M3UPI, 2),
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x204D),
+ .driver_data = UNCORE_PCI_DEV_FULL_DATA(18, 5, SKX_PCI_UNCORE_M3UPI, 2),
},
{ /* end: all zeroes */ }
};
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index 12f54082f4c8..78241b736f2a 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -46,6 +46,14 @@
#define INTEL_ARCH_EVENT_MASK \
(ARCH_PERFMON_EVENTSEL_UMASK | ARCH_PERFMON_EVENTSEL_EVENT)

+#define AMD64_L3_SLICE_SHIFT 48
+#define AMD64_L3_SLICE_MASK \
+ ((0xFULL) << AMD64_L3_SLICE_SHIFT)
+
+#define AMD64_L3_THREAD_SHIFT 56
+#define AMD64_L3_THREAD_MASK \
+ ((0xFFULL) << AMD64_L3_THREAD_SHIFT)
+
#define X86_RAW_EVENT_MASK \
(ARCH_PERFMON_EVENTSEL_EVENT | \
ARCH_PERFMON_EVENTSEL_UMASK | \
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 930c88341e4e..1fbf38dde84c 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -90,7 +90,7 @@ unsigned paravirt_patch_call(void *insnbuf,

if (len < 5) {
#ifdef CONFIG_RETPOLINE
- WARN_ONCE("Failing to patch indirect CALL in %ps\n", (void *)addr);
+ WARN_ONCE(1, "Failing to patch indirect CALL in %ps\n", (void *)addr);
#endif
return len; /* call too long for patch site */
}
@@ -110,7 +110,7 @@ unsigned paravirt_patch_jmp(void *insnbuf, const void *target,

if (len < 5) {
#ifdef CONFIG_RETPOLINE
- WARN_ONCE("Failing to patch indirect JMP in %ps\n", (void *)addr);
+ WARN_ONCE(1, "Failing to patch indirect JMP in %ps\n", (void *)addr);
#endif
return len; /* call too long for patch site */
}
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index ef772e5634d4..3e59a187fe30 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -436,14 +436,18 @@ static inline struct kvm_svm *to_kvm_svm(struct kvm *kvm)

static inline bool svm_sev_enabled(void)
{
- return max_sev_asid;
+ return IS_ENABLED(CONFIG_KVM_AMD_SEV) ? max_sev_asid : 0;
}

static inline bool sev_guest(struct kvm *kvm)
{
+#ifdef CONFIG_KVM_AMD_SEV
struct kvm_sev_info *sev = &to_kvm_svm(kvm)->sev_info;

return sev->active;
+#else
+ return false;
+#endif
}

static inline int sev_get_asid(struct kvm *kvm)
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 32721ef9652d..9efe130ea2e6 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -819,6 +819,7 @@ struct nested_vmx {

/* to migrate it to L2 if VM_ENTRY_LOAD_DEBUG_CONTROLS is off */
u64 vmcs01_debugctl;
+ u64 vmcs01_guest_bndcfgs;

u16 vpid02;
u16 last_vpid;
@@ -3395,9 +3396,6 @@ static void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, bool apicv)
VM_EXIT_LOAD_IA32_EFER | VM_EXIT_SAVE_IA32_EFER |
VM_EXIT_SAVE_VMX_PREEMPTION_TIMER | VM_EXIT_ACK_INTR_ON_EXIT;

- if (kvm_mpx_supported())
- msrs->exit_ctls_high |= VM_EXIT_CLEAR_BNDCFGS;
-
/* We support free control of debug control saving. */
msrs->exit_ctls_low &= ~VM_EXIT_SAVE_DEBUG_CONTROLS;

@@ -3414,8 +3412,6 @@ static void nested_vmx_setup_ctls_msrs(struct nested_vmx_msrs *msrs, bool apicv)
VM_ENTRY_LOAD_IA32_PAT;
msrs->entry_ctls_high |=
(VM_ENTRY_ALWAYSON_WITHOUT_TRUE_MSR | VM_ENTRY_LOAD_IA32_EFER);
- if (kvm_mpx_supported())
- msrs->entry_ctls_high |= VM_ENTRY_LOAD_BNDCFGS;

/* We support free control of debug control loading. */
msrs->entry_ctls_low &= ~VM_ENTRY_LOAD_DEBUG_CONTROLS;
@@ -10825,6 +10821,23 @@ static void nested_vmx_cr_fixed1_bits_update(struct kvm_vcpu *vcpu)
#undef cr4_fixed1_update
}

+static void nested_vmx_entry_exit_ctls_update(struct kvm_vcpu *vcpu)
+{
+ struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+ if (kvm_mpx_supported()) {
+ bool mpx_enabled = guest_cpuid_has(vcpu, X86_FEATURE_MPX);
+
+ if (mpx_enabled) {
+ vmx->nested.msrs.entry_ctls_high |= VM_ENTRY_LOAD_BNDCFGS;
+ vmx->nested.msrs.exit_ctls_high |= VM_EXIT_CLEAR_BNDCFGS;
+ } else {
+ vmx->nested.msrs.entry_ctls_high &= ~VM_ENTRY_LOAD_BNDCFGS;
+ vmx->nested.msrs.exit_ctls_high &= ~VM_EXIT_CLEAR_BNDCFGS;
+ }
+ }
+}
+
static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -10841,8 +10854,10 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
to_vmx(vcpu)->msr_ia32_feature_control_valid_bits &=
~FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX;

- if (nested_vmx_allowed(vcpu))
+ if (nested_vmx_allowed(vcpu)) {
nested_vmx_cr_fixed1_bits_update(vcpu);
+ nested_vmx_entry_exit_ctls_update(vcpu);
+ }
}

static void vmx_set_supported_cpuid(u32 func, struct kvm_cpuid_entry2 *entry)
@@ -11553,8 +11568,13 @@ static void prepare_vmcs02_full(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12)

set_cr4_guest_host_mask(vmx);

- if (vmx_mpx_supported())
- vmcs_write64(GUEST_BNDCFGS, vmcs12->guest_bndcfgs);
+ if (kvm_mpx_supported()) {
+ if (vmx->nested.nested_run_pending &&
+ (vmcs12->vm_entry_controls & VM_ENTRY_LOAD_BNDCFGS))
+ vmcs_write64(GUEST_BNDCFGS, vmcs12->guest_bndcfgs);
+ else
+ vmcs_write64(GUEST_BNDCFGS, vmx->nested.vmcs01_guest_bndcfgs);
+ }

if (enable_vpid) {
if (nested_cpu_has_vpid(vmcs12) && vmx->nested.vpid02)
@@ -12068,6 +12088,9 @@ static int enter_vmx_non_root_mode(struct kvm_vcpu *vcpu)

if (!(vmcs12->vm_entry_controls & VM_ENTRY_LOAD_DEBUG_CONTROLS))
vmx->nested.vmcs01_debugctl = vmcs_read64(GUEST_IA32_DEBUGCTL);
+ if (kvm_mpx_supported() &&
+ !(vmcs12->vm_entry_controls & VM_ENTRY_LOAD_BNDCFGS))
+ vmx->nested.vmcs01_guest_bndcfgs = vmcs_read64(GUEST_BNDCFGS);

vmx_switch_vmcs(vcpu, &vmx->nested.vmcs02);
vmx_segment_cache_clear(vmx);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 97fcac34e007..3cd58a5eb449 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4625,7 +4625,7 @@ static void kvm_init_msr_list(void)
*/
switch (msrs_to_save[i]) {
case MSR_IA32_BNDCFGS:
- if (!kvm_x86_ops->mpx_supported())
+ if (!kvm_mpx_supported())
continue;
break;
case MSR_TSC_AUX:
diff --git a/drivers/clk/mvebu/armada-37xx-periph.c b/drivers/clk/mvebu/armada-37xx-periph.c
index 6f7637b19738..e764dfdea53f 100644
--- a/drivers/clk/mvebu/armada-37xx-periph.c
+++ b/drivers/clk/mvebu/armada-37xx-periph.c
@@ -419,7 +419,6 @@ static unsigned int armada_3700_pm_dvfs_get_cpu_parent(struct regmap *base)
static u8 clk_pm_cpu_get_parent(struct clk_hw *hw)
{
struct clk_pm_cpu *pm_cpu = to_clk_pm_cpu(hw);
- int num_parents = clk_hw_get_num_parents(hw);
u32 val;

if (armada_3700_pm_dvfs_is_enabled(pm_cpu->nb_pm_base)) {
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 06dce16e22bb..70f0dedca59f 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1675,7 +1675,8 @@ static void gpiochip_set_cascaded_irqchip(struct gpio_chip *gpiochip,
irq_set_chained_handler_and_data(parent_irq, parent_handler,
gpiochip);

- gpiochip->irq.parents = &parent_irq;
+ gpiochip->irq.parent_irq = parent_irq;
+ gpiochip->irq.parents = &gpiochip->irq.parent_irq;
gpiochip->irq.num_parents = 1;
}

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index e484d0a94bdc..5b9cc3aeaa55 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4494,12 +4494,18 @@ static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
}
spin_unlock_irqrestore(&adev->ddev->event_lock, flags);

- /* Signal HW programming completion */
- drm_atomic_helper_commit_hw_done(state);

if (wait_for_vblank)
drm_atomic_helper_wait_for_flip_done(dev, state);

+ /*
+ * FIXME:
+ * Delay hw_done() until flip_done() is signaled. This is to block
+ * another commit from freeing the CRTC state while we're still
+ * waiting on flip_done.
+ */
+ drm_atomic_helper_commit_hw_done(state);
+
drm_atomic_helper_cleanup_planes(dev, state);

/* Finally, drop a runtime PM reference for each newly disabled CRTC,
diff --git a/drivers/gpu/drm/i2c/tda9950.c b/drivers/gpu/drm/i2c/tda9950.c
index 3f7396caad48..ccd355d0c123 100644
--- a/drivers/gpu/drm/i2c/tda9950.c
+++ b/drivers/gpu/drm/i2c/tda9950.c
@@ -188,7 +188,8 @@ static irqreturn_t tda9950_irq(int irq, void *data)
break;
}
/* TDA9950 executes all retries for us */
- tx_status |= CEC_TX_STATUS_MAX_RETRIES;
+ if (tx_status != CEC_TX_STATUS_OK)
+ tx_status |= CEC_TX_STATUS_MAX_RETRIES;
cec_transmit_done(priv->adap, tx_status, arb_lost_cnt,
nack_cnt, 0, err_cnt);
break;
@@ -307,7 +308,7 @@ static void tda9950_release(struct tda9950_priv *priv)
/* Wait up to .5s for it to signal non-busy */
do {
csr = tda9950_read(client, REG_CSR);
- if (!(csr & CSR_BUSY) || --timeout)
+ if (!(csr & CSR_BUSY) || !--timeout)
break;
msleep(10);
} while (1);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index eee6b79fb131..ae5b72269e27 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -974,7 +974,6 @@
#define USB_DEVICE_ID_SIS817_TOUCH 0x0817
#define USB_DEVICE_ID_SIS_TS 0x1013
#define USB_DEVICE_ID_SIS1030_TOUCH 0x1030
-#define USB_DEVICE_ID_SIS10FB_TOUCH 0x10fb

#define USB_VENDOR_ID_SKYCABLE 0x1223
#define USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER 0x3F07
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 37013b58098c..d17cf6e323b2 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -47,8 +47,7 @@
/* quirks to control the device */
#define I2C_HID_QUIRK_SET_PWR_WAKEUP_DEV BIT(0)
#define I2C_HID_QUIRK_NO_IRQ_AFTER_RESET BIT(1)
-#define I2C_HID_QUIRK_RESEND_REPORT_DESCR BIT(2)
-#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(3)
+#define I2C_HID_QUIRK_NO_RUNTIME_PM BIT(2)

/* flags */
#define I2C_HID_STARTED 0
@@ -172,8 +171,6 @@ static const struct i2c_hid_quirks {
{ I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288,
I2C_HID_QUIRK_NO_IRQ_AFTER_RESET |
I2C_HID_QUIRK_NO_RUNTIME_PM },
- { USB_VENDOR_ID_SIS_TOUCH, USB_DEVICE_ID_SIS10FB_TOUCH,
- I2C_HID_QUIRK_RESEND_REPORT_DESCR },
{ 0, 0 }
};

@@ -1241,22 +1238,13 @@ static int i2c_hid_resume(struct device *dev)

/* Instead of resetting device, simply powers the device on. This
* solves "incomplete reports" on Raydium devices 2386:3118 and
- * 2386:4B33
+ * 2386:4B33 and fixes various SIS touchscreens no longer sending
+ * data after a suspend/resume.
*/
ret = i2c_hid_set_power(client, I2C_HID_PWR_ON);
if (ret)
return ret;

- /* Some devices need to re-send report descr cmd
- * after resume, after this it will be back normal.
- * otherwise it issues too many incomplete reports.
- */
- if (ihid->quirks & I2C_HID_QUIRK_RESEND_REPORT_DESCR) {
- ret = i2c_hid_command(client, &hid_report_descr_cmd, NULL, 0);
- if (ret)
- return ret;
- }
-
if (hid->driver && hid->driver->reset_resume) {
ret = hid->driver->reset_resume(hid);
return ret;
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 308456d28afb..73339fd47dd8 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -544,6 +544,9 @@ void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
int shrink = 0;
int c;

+ if (!mr->allocated_from_cache)
+ return;
+
c = order2idx(dev, mr->order);
if (c < 0 || c >= MAX_MR_CACHE_ENTRIES) {
mlx5_ib_warn(dev, "order %d, cache index %d\n", mr->order, c);
@@ -1647,18 +1650,19 @@ static void dereg_mr(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr)
umem = NULL;
}
#endif
-
clean_mr(dev, mr);

+ /*
+ * We should unregister the DMA address from the HCA before
+ * remove the DMA mapping.
+ */
+ mlx5_mr_cache_free(dev, mr);
if (umem) {
ib_umem_release(umem);
atomic_sub(npages, &dev->mdev->priv.reg_pages);
}
-
if (!mr->allocated_from_cache)
kfree(mr);
- else
- mlx5_mr_cache_free(dev, mr);
}

int mlx5_ib_dereg_mr(struct ib_mr *ibmr)
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c
index 9697977b80f0..6b9ad8673218 100644
--- a/drivers/net/bonding/bond_netlink.c
+++ b/drivers/net/bonding/bond_netlink.c
@@ -638,8 +638,7 @@ static int bond_fill_info(struct sk_buff *skb,
goto nla_put_failure;

if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM,
- sizeof(bond->params.ad_actor_system),
- &bond->params.ad_actor_system))
+ ETH_ALEN, &bond->params.ad_actor_system))
goto nla_put_failure;
}
if (!bond_3ad_get_active_agg_info(bond, &info)) {
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 1b01cd2820ba..000f0d42a710 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -1580,8 +1580,6 @@ static int ena_up_complete(struct ena_adapter *adapter)
if (rc)
return rc;

- ena_init_napi(adapter);
-
ena_change_mtu(adapter->netdev, adapter->netdev->mtu);

ena_refill_all_rx_bufs(adapter);
@@ -1735,6 +1733,13 @@ static int ena_up(struct ena_adapter *adapter)

ena_setup_io_intr(adapter);

+ /* napi poll functions should be initialized before running
+ * request_irq(), to handle a rare condition where there is a pending
+ * interrupt, causing the ISR to fire immediately while the poll
+ * function wasn't set yet, causing a null dereference
+ */
+ ena_init_napi(adapter);
+
rc = ena_request_io_irq(adapter);
if (rc)
goto err_req_irq;
@@ -2648,7 +2653,11 @@ static int ena_restore_device(struct ena_adapter *adapter)
ena_free_mgmnt_irq(adapter);
ena_disable_msix(adapter);
err_device_destroy:
+ ena_com_abort_admin_commands(ena_dev);
+ ena_com_wait_for_abort_completion(ena_dev);
ena_com_admin_destroy(ena_dev);
+ ena_com_mmio_reg_read_request_destroy(ena_dev);
+ ena_com_dev_reset(ena_dev, ENA_REGS_RESET_DRIVER_INVALID_STATE);
err:
clear_bit(ENA_FLAG_DEVICE_RUNNING, &adapter->flags);
clear_bit(ENA_FLAG_ONGOING_RESET, &adapter->flags);
@@ -3128,15 +3137,8 @@ static int ena_rss_init_default(struct ena_adapter *adapter)

static void ena_release_bars(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
{
- int release_bars;
-
- if (ena_dev->mem_bar)
- devm_iounmap(&pdev->dev, ena_dev->mem_bar);
-
- if (ena_dev->reg_bar)
- devm_iounmap(&pdev->dev, ena_dev->reg_bar);
+ int release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & ENA_BAR_MASK;

- release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & ENA_BAR_MASK;
pci_release_selected_regions(pdev, release_bars);
}

diff --git a/drivers/net/ethernet/amd/declance.c b/drivers/net/ethernet/amd/declance.c
index 116997a8b593..00332a1ea84b 100644
--- a/drivers/net/ethernet/amd/declance.c
+++ b/drivers/net/ethernet/amd/declance.c
@@ -1031,6 +1031,7 @@ static int dec_lance_probe(struct device *bdev, const int type)
int i, ret;
unsigned long esar_base;
unsigned char *esar;
+ const char *desc;

if (dec_lance_debug && version_printed++ == 0)
printk(version);
@@ -1216,19 +1217,20 @@ static int dec_lance_probe(struct device *bdev, const int type)
*/
switch (type) {
case ASIC_LANCE:
- printk("%s: IOASIC onboard LANCE", name);
+ desc = "IOASIC onboard LANCE";
break;
case PMAD_LANCE:
- printk("%s: PMAD-AA", name);
+ desc = "PMAD-AA";
break;
case PMAX_LANCE:
- printk("%s: PMAX onboard LANCE", name);
+ desc = "PMAX onboard LANCE";
break;
}
for (i = 0; i < 6; i++)
dev->dev_addr[i] = esar[i * 4];

- printk(", addr = %pM, irq = %d\n", dev->dev_addr, dev->irq);
+ printk("%s: %s, addr = %pM, irq = %d\n",
+ name, desc, dev->dev_addr, dev->irq);

dev->netdev_ops = &lance_netdev_ops;
dev->watchdog_timeo = 5*HZ;
diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index 4241ae928d4a..34af5f1569c8 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -321,9 +321,12 @@ int bcmgenet_mii_probe(struct net_device *dev)
phydev->advertising = phydev->supported;

/* The internal PHY has its link interrupts routed to the
- * Ethernet MAC ISRs
+ * Ethernet MAC ISRs. On GENETv5 there is a hardware issue
+ * that prevents the signaling of link UP interrupts when
+ * the link operates at 10Mbps, so fallback to polling for
+ * those versions of GENET.
*/
- if (priv->internal_phy)
+ if (priv->internal_phy && !GENET_IS_V5(priv))
dev->phydev->irq = PHY_IGNORE_INTERRUPT;

return 0;
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index dfa045f22ef1..db568232ff3e 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -2089,6 +2089,7 @@ static void macb_configure_dma(struct macb *bp)
else
dmacfg &= ~GEM_BIT(TXCOEN);

+ dmacfg &= ~GEM_BIT(ADDR64);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
if (bp->hw_dma_cap & HW_DMA_CAP_64B)
dmacfg |= GEM_BIT(ADDR64);
diff --git a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
index a19172dbe6be..c34ea385fe4a 100644
--- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c
@@ -2159,6 +2159,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EPERM;
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
+ if (t.cmd != CHELSIO_SET_QSET_PARAMS)
+ return -EINVAL;
if (t.qset_idx >= SGE_QSETS)
return -EINVAL;
if (!in_range(t.intr_lat, 0, M_NEWTIMER) ||
@@ -2258,6 +2260,9 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;

+ if (t.cmd != CHELSIO_GET_QSET_PARAMS)
+ return -EINVAL;
+
/* Display qsets for all ports when offload enabled */
if (test_bit(OFFLOAD_DEVMAP_BIT, &adapter->open_device_map)) {
q1 = 0;
@@ -2303,6 +2308,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EBUSY;
if (copy_from_user(&edata, useraddr, sizeof(edata)))
return -EFAULT;
+ if (edata.cmd != CHELSIO_SET_QSET_NUM)
+ return -EINVAL;
if (edata.val < 1 ||
(edata.val > 1 && !(adapter->flags & USING_MSIX)))
return -EINVAL;
@@ -2343,6 +2350,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EPERM;
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
+ if (t.cmd != CHELSIO_LOAD_FW)
+ return -EINVAL;
/* Check t.len sanity ? */
fw_data = memdup_user(useraddr + sizeof(t), t.len);
if (IS_ERR(fw_data))
@@ -2366,6 +2375,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EBUSY;
if (copy_from_user(&m, useraddr, sizeof(m)))
return -EFAULT;
+ if (m.cmd != CHELSIO_SETMTUTAB)
+ return -EINVAL;
if (m.nmtus != NMTUS)
return -EINVAL;
if (m.mtus[0] < 81) /* accommodate SACK */
@@ -2407,6 +2418,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EBUSY;
if (copy_from_user(&m, useraddr, sizeof(m)))
return -EFAULT;
+ if (m.cmd != CHELSIO_SET_PM)
+ return -EINVAL;
if (!is_power_of_2(m.rx_pg_sz) ||
!is_power_of_2(m.tx_pg_sz))
return -EINVAL; /* not power of 2 */
@@ -2440,6 +2453,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EIO; /* need the memory controllers */
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
+ if (t.cmd != CHELSIO_GET_MEM)
+ return -EINVAL;
if ((t.addr & 7) || (t.len & 7))
return -EINVAL;
if (t.mem_id == MEM_CM)
@@ -2492,6 +2507,8 @@ static int cxgb_extension_ioctl(struct net_device *dev, void __user *useraddr)
return -EAGAIN;
if (copy_from_user(&t, useraddr, sizeof(t)))
return -EFAULT;
+ if (t.cmd != CHELSIO_SET_TRACE_FILTER)
+ return -EINVAL;

tp = (const struct trace_params *)&t.sip;
if (t.config_tx)
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 8f755009ff38..c8445a4135a9 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3915,8 +3915,6 @@ static int be_enable_vxlan_offloads(struct be_adapter *adapter)
netdev->hw_enc_features |= NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM |
NETIF_F_TSO | NETIF_F_TSO6 |
NETIF_F_GSO_UDP_TUNNEL;
- netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL;
- netdev->features |= NETIF_F_GSO_UDP_TUNNEL;

dev_info(dev, "Enabled VxLAN offloads for UDP port %d\n",
be16_to_cpu(port));
@@ -3938,8 +3936,6 @@ static void be_disable_vxlan_offloads(struct be_adapter *adapter)
adapter->vxlan_port = 0;

netdev->hw_enc_features = 0;
- netdev->hw_features &= ~(NETIF_F_GSO_UDP_TUNNEL);
- netdev->features &= ~(NETIF_F_GSO_UDP_TUNNEL);
}

static void be_calculate_vf_res(struct be_adapter *adapter, u16 num_vfs,
@@ -5232,6 +5228,7 @@ static void be_netdev_init(struct net_device *netdev)
struct be_adapter *adapter = netdev_priv(netdev);

netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 |
+ NETIF_F_GSO_UDP_TUNNEL |
NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX;
if ((be_if_cap_flags(adapter) & BE_IF_FLAGS_RSS))
diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
index 4778b663653e..bf80855dd0dd 100644
--- a/drivers/net/ethernet/freescale/fec.h
+++ b/drivers/net/ethernet/freescale/fec.h
@@ -452,6 +452,10 @@ struct bufdesc_ex {
* initialisation.
*/
#define FEC_QUIRK_MIB_CLEAR (1 << 15)
+/* Only i.MX25/i.MX27/i.MX28 controller supports FRBR,FRSR registers,
+ * those FIFO receive registers are resolved in other platforms.
+ */
+#define FEC_QUIRK_HAS_FRREG (1 << 16)

struct bufdesc_prop {
int qid;
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index c729665107f5..11f90bb2d2a9 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -90,14 +90,16 @@ static struct platform_device_id fec_devtype[] = {
.driver_data = 0,
}, {
.name = "imx25-fec",
- .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR,
+ .driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR |
+ FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx27-fec",
- .driver_data = FEC_QUIRK_MIB_CLEAR,
+ .driver_data = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx28-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
- FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC,
+ FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
+ FEC_QUIRK_HAS_FRREG,
}, {
.name = "imx6q-fec",
.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
@@ -1157,7 +1159,7 @@ static void fec_enet_timeout_work(struct work_struct *work)
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
@@ -1272,7 +1274,7 @@ fec_enet_tx_queue(struct net_device *ndev, u16 queue_id)

/* Since we have freed up a buffer, the ring is no longer full
*/
- if (netif_queue_stopped(ndev)) {
+ if (netif_tx_queue_stopped(nq)) {
entries_free = fec_enet_get_free_txdesc_num(txq);
if (entries_free >= txq->tx_wake_threshold)
netif_tx_wake_queue(nq);
@@ -1745,7 +1747,7 @@ static void fec_enet_adjust_link(struct net_device *ndev)
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
@@ -2163,7 +2165,13 @@ static void fec_enet_get_regs(struct net_device *ndev,
memset(buf, 0, regs->len);

for (i = 0; i < ARRAY_SIZE(fec_enet_register_offset); i++) {
- off = fec_enet_register_offset[i] / 4;
+ off = fec_enet_register_offset[i];
+
+ if ((off == FEC_R_BOUND || off == FEC_R_FSTART) &&
+ !(fep->quirks & FEC_QUIRK_HAS_FRREG))
+ continue;
+
+ off >>= 2;
buf[off] = readl(&theregs[off]);
}
}
@@ -2246,7 +2254,7 @@ static int fec_enet_set_pauseparam(struct net_device *ndev,
napi_disable(&fep->napi);
netif_tx_lock_bh(ndev);
fec_restart(ndev);
- netif_wake_queue(ndev);
+ netif_tx_wake_all_queues(ndev);
netif_tx_unlock_bh(ndev);
napi_enable(&fep->napi);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index d3a1dd20e41d..fb6c72cf70a0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -429,10 +429,9 @@ static inline u16 mlx5e_icosq_wrap_cnt(struct mlx5e_icosq *sq)

static inline void mlx5e_fill_icosq_frag_edge(struct mlx5e_icosq *sq,
struct mlx5_wq_cyc *wq,
- u16 pi, u16 frag_pi)
+ u16 pi, u16 nnops)
{
struct mlx5e_sq_wqe_info *edge_wi, *wi = &sq->db.ico_wqe[pi];
- u8 nnops = mlx5_wq_cyc_get_frag_size(wq) - frag_pi;

edge_wi = wi + nnops;

@@ -451,15 +450,14 @@ static int mlx5e_alloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix)
struct mlx5_wq_cyc *wq = &sq->wq;
struct mlx5e_umr_wqe *umr_wqe;
u16 xlt_offset = ix << (MLX5E_LOG_ALIGNED_MPWQE_PPW - 1);
- u16 pi, frag_pi;
+ u16 pi, contig_wqebbs_room;
int err;
int i;

pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc);
-
- if (unlikely(frag_pi + MLX5E_UMR_WQEBBS > mlx5_wq_cyc_get_frag_size(wq))) {
- mlx5e_fill_icosq_frag_edge(sq, wq, pi, frag_pi);
+ contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs_room < MLX5E_UMR_WQEBBS)) {
+ mlx5e_fill_icosq_frag_edge(sq, wq, pi, contig_wqebbs_room);
pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
}

@@ -693,43 +691,15 @@ static inline bool is_last_ethertype_ip(struct sk_buff *skb, int *network_depth)
return (ethertype == htons(ETH_P_IP) || ethertype == htons(ETH_P_IPV6));
}

-static __be32 mlx5e_get_fcs(struct sk_buff *skb)
+static u32 mlx5e_get_fcs(const struct sk_buff *skb)
{
- int last_frag_sz, bytes_in_prev, nr_frags;
- u8 *fcs_p1, *fcs_p2;
- skb_frag_t *last_frag;
- __be32 fcs_bytes;
-
- if (!skb_is_nonlinear(skb))
- return *(__be32 *)(skb->data + skb->len - ETH_FCS_LEN);
-
- nr_frags = skb_shinfo(skb)->nr_frags;
- last_frag = &skb_shinfo(skb)->frags[nr_frags - 1];
- last_frag_sz = skb_frag_size(last_frag);
-
- /* If all FCS data is in last frag */
- if (last_frag_sz >= ETH_FCS_LEN)
- return *(__be32 *)(skb_frag_address(last_frag) +
- last_frag_sz - ETH_FCS_LEN);
-
- fcs_p2 = (u8 *)skb_frag_address(last_frag);
- bytes_in_prev = ETH_FCS_LEN - last_frag_sz;
-
- /* Find where the other part of the FCS is - Linear or another frag */
- if (nr_frags == 1) {
- fcs_p1 = skb_tail_pointer(skb);
- } else {
- skb_frag_t *prev_frag = &skb_shinfo(skb)->frags[nr_frags - 2];
-
- fcs_p1 = skb_frag_address(prev_frag) +
- skb_frag_size(prev_frag);
- }
- fcs_p1 -= bytes_in_prev;
+ const void *fcs_bytes;
+ u32 _fcs_bytes;

- memcpy(&fcs_bytes, fcs_p1, bytes_in_prev);
- memcpy(((u8 *)&fcs_bytes) + bytes_in_prev, fcs_p2, last_frag_sz);
+ fcs_bytes = skb_header_pointer(skb, skb->len - ETH_FCS_LEN,
+ ETH_FCS_LEN, &_fcs_bytes);

- return fcs_bytes;
+ return __get_unaligned_cpu32(fcs_bytes);
}

static inline void mlx5e_handle_csum(struct net_device *netdev,
@@ -762,8 +732,9 @@ static inline void mlx5e_handle_csum(struct net_device *netdev,
network_depth - ETH_HLEN,
skb->csum);
if (unlikely(netdev->features & NETIF_F_RXFCS))
- skb->csum = csum_add(skb->csum,
- (__force __wsum)mlx5e_get_fcs(skb));
+ skb->csum = csum_block_add(skb->csum,
+ (__force __wsum)mlx5e_get_fcs(skb),
+ skb->len - ETH_FCS_LEN);
stats->csum_complete++;
return;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
index f29deb44bf3b..1e774d979c85 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c
@@ -287,10 +287,9 @@ mlx5e_txwqe_build_dsegs(struct mlx5e_txqsq *sq, struct sk_buff *skb,

static inline void mlx5e_fill_sq_frag_edge(struct mlx5e_txqsq *sq,
struct mlx5_wq_cyc *wq,
- u16 pi, u16 frag_pi)
+ u16 pi, u16 nnops)
{
struct mlx5e_tx_wqe_info *edge_wi, *wi = &sq->db.wqe_info[pi];
- u8 nnops = mlx5_wq_cyc_get_frag_size(wq) - frag_pi;

edge_wi = wi + nnops;

@@ -345,8 +344,8 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
struct mlx5e_tx_wqe_info *wi;

struct mlx5e_sq_stats *stats = sq->stats;
+ u16 headlen, ihs, contig_wqebbs_room;
u16 ds_cnt, ds_cnt_inl = 0;
- u16 headlen, ihs, frag_pi;
u8 num_wqebbs, opcode;
u32 num_bytes;
int num_dma;
@@ -383,9 +382,9 @@ netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
}

num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS);
- frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc);
- if (unlikely(frag_pi + num_wqebbs > mlx5_wq_cyc_get_frag_size(wq))) {
- mlx5e_fill_sq_frag_edge(sq, wq, pi, frag_pi);
+ contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs_room < num_wqebbs)) {
+ mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
mlx5e_sq_fetch_wqe(sq, &wqe, &pi);
}

@@ -629,7 +628,7 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
struct mlx5e_tx_wqe_info *wi;

struct mlx5e_sq_stats *stats = sq->stats;
- u16 headlen, ihs, pi, frag_pi;
+ u16 headlen, ihs, pi, contig_wqebbs_room;
u16 ds_cnt, ds_cnt_inl = 0;
u8 num_wqebbs, opcode;
u32 num_bytes;
@@ -665,13 +664,14 @@ netdev_tx_t mlx5i_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
}

num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS);
- frag_pi = mlx5_wq_cyc_ctr2fragix(wq, sq->pc);
- if (unlikely(frag_pi + num_wqebbs > mlx5_wq_cyc_get_frag_size(wq))) {
+ pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
+ contig_wqebbs_room = mlx5_wq_cyc_get_contig_wqebbs(wq, pi);
+ if (unlikely(contig_wqebbs_room < num_wqebbs)) {
+ mlx5e_fill_sq_frag_edge(sq, wq, pi, contig_wqebbs_room);
pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- mlx5e_fill_sq_frag_edge(sq, wq, pi, frag_pi);
}

- mlx5i_sq_fetch_wqe(sq, &wqe, &pi);
+ mlx5i_sq_fetch_wqe(sq, &wqe, pi);

/* fill wqe */
wi = &sq->db.wqe_info[pi];
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
index 406c23862f5f..01ccc8201052 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c
@@ -269,7 +269,7 @@ static void eq_pf_process(struct mlx5_eq *eq)
case MLX5_PFAULT_SUBTYPE_WQE:
/* WQE based event */
pfault->type =
- be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24;
+ (be32_to_cpu(pf_eqe->wqe.pftype_wq) >> 24) & 0x7;
pfault->token =
be32_to_cpu(pf_eqe->wqe.token);
pfault->wqe.wq_num =
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
index 5645a4facad2..b8ee9101c506 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
@@ -245,7 +245,7 @@ static void *mlx5_fpga_ipsec_cmd_exec(struct mlx5_core_dev *mdev,
return ERR_PTR(res);
}

- /* Context will be freed by wait func after completion */
+ /* Context should be freed by the caller after completion. */
return context;
}

@@ -418,10 +418,8 @@ static int mlx5_fpga_ipsec_set_caps(struct mlx5_core_dev *mdev, u32 flags)
cmd.cmd = htonl(MLX5_FPGA_IPSEC_CMD_OP_SET_CAP);
cmd.flags = htonl(flags);
context = mlx5_fpga_ipsec_cmd_exec(mdev, &cmd, sizeof(cmd));
- if (IS_ERR(context)) {
- err = PTR_ERR(context);
- goto out;
- }
+ if (IS_ERR(context))
+ return PTR_ERR(context);

err = mlx5_fpga_ipsec_cmd_wait(context);
if (err)
@@ -435,6 +433,7 @@ static int mlx5_fpga_ipsec_set_caps(struct mlx5_core_dev *mdev, u32 flags)
}

out:
+ kfree(context);
return err;
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
index 08eac92fc26c..0982c579ec74 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.h
@@ -109,12 +109,11 @@ struct mlx5i_tx_wqe {

static inline void mlx5i_sq_fetch_wqe(struct mlx5e_txqsq *sq,
struct mlx5i_tx_wqe **wqe,
- u16 *pi)
+ u16 pi)
{
struct mlx5_wq_cyc *wq = &sq->wq;

- *pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
- *wqe = mlx5_wq_cyc_get_wqe(wq, *pi);
+ *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
memset(*wqe, 0, sizeof(**wqe));
}

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.c b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
index d838af9539b1..9046475c531c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.c
@@ -39,11 +39,6 @@ u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq)
return (u32)wq->fbc.sz_m1 + 1;
}

-u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq)
-{
- return wq->fbc.frag_sz_m1 + 1;
-}
-
u32 mlx5_cqwq_get_size(struct mlx5_cqwq *wq)
{
return wq->fbc.sz_m1 + 1;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/wq.h b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
index 16476cc1a602..311256554520 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/wq.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/wq.h
@@ -80,7 +80,6 @@ int mlx5_wq_cyc_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *wqc, struct mlx5_wq_cyc *wq,
struct mlx5_wq_ctrl *wq_ctrl);
u32 mlx5_wq_cyc_get_size(struct mlx5_wq_cyc *wq);
-u16 mlx5_wq_cyc_get_frag_size(struct mlx5_wq_cyc *wq);

int mlx5_wq_qp_create(struct mlx5_core_dev *mdev, struct mlx5_wq_param *param,
void *qpc, struct mlx5_wq_qp *wq,
@@ -140,11 +139,6 @@ static inline u16 mlx5_wq_cyc_ctr2ix(struct mlx5_wq_cyc *wq, u16 ctr)
return ctr & wq->fbc.sz_m1;
}

-static inline u16 mlx5_wq_cyc_ctr2fragix(struct mlx5_wq_cyc *wq, u16 ctr)
-{
- return ctr & wq->fbc.frag_sz_m1;
-}
-
static inline u16 mlx5_wq_cyc_get_head(struct mlx5_wq_cyc *wq)
{
return mlx5_wq_cyc_ctr2ix(wq, wq->wqe_ctr);
@@ -160,6 +154,11 @@ static inline void *mlx5_wq_cyc_get_wqe(struct mlx5_wq_cyc *wq, u16 ix)
return mlx5_frag_buf_get_wqe(&wq->fbc, ix);
}

+static inline u16 mlx5_wq_cyc_get_contig_wqebbs(struct mlx5_wq_cyc *wq, u16 ix)
+{
+ return mlx5_frag_buf_get_idx_last_contig_stride(&wq->fbc, ix) - ix + 1;
+}
+
static inline int mlx5_wq_cyc_cc_bigger(u16 cc1, u16 cc2)
{
int equal = (cc1 == cc2);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index f9c724752a32..13636a537f37 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -985,8 +985,8 @@ static int mlxsw_devlink_core_bus_device_reload(struct devlink *devlink,
mlxsw_core->bus,
mlxsw_core->bus_priv, true,
devlink);
- if (err)
- mlxsw_core->reload_fail = true;
+ mlxsw_core->reload_fail = !!err;
+
return err;
}

@@ -1126,8 +1126,15 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core,
const char *device_kind = mlxsw_core->bus_info->device_kind;
struct devlink *devlink = priv_to_devlink(mlxsw_core);

- if (mlxsw_core->reload_fail)
- goto reload_fail;
+ if (mlxsw_core->reload_fail) {
+ if (!reload)
+ /* Only the parts that were not de-initialized in the
+ * failed reload attempt need to be de-initialized.
+ */
+ goto reload_fail_deinit;
+ else
+ return;
+ }

if (mlxsw_core->driver->fini)
mlxsw_core->driver->fini(mlxsw_core);
@@ -1140,9 +1147,12 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core,
if (!reload)
devlink_resources_unregister(devlink, NULL);
mlxsw_core->bus->fini(mlxsw_core->bus_priv);
- if (reload)
- return;
-reload_fail:
+
+ return;
+
+reload_fail_deinit:
+ devlink_unregister(devlink);
+ devlink_resources_unregister(devlink, NULL);
devlink_free(devlink);
mlxsw_core_driver_put(device_kind);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 6cb43dda8232..9883e48d8a21 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -2307,8 +2307,6 @@ static void mlxsw_sp_switchdev_event_work(struct work_struct *work)
break;
case SWITCHDEV_FDB_DEL_TO_DEVICE:
fdb_info = &switchdev_work->fdb_info;
- if (!fdb_info->added_by_user)
- break;
mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false);
break;
case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */
diff --git a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
index 90a2b53096e2..51bbb0e5b514 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_iwarp.c
@@ -1710,7 +1710,7 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn,

cm_info->local_ip[0] = ntohl(iph->daddr);
cm_info->remote_ip[0] = ntohl(iph->saddr);
- cm_info->ip_version = TCP_IPV4;
+ cm_info->ip_version = QED_TCP_IPV4;

ip_hlen = (iph->ihl) * sizeof(u32);
*payload_len = ntohs(iph->tot_len) - ip_hlen;
@@ -1730,7 +1730,7 @@ qed_iwarp_parse_rx_pkt(struct qed_hwfn *p_hwfn,
cm_info->remote_ip[i] =
ntohl(ip6h->saddr.in6_u.u6_addr32[i]);
}
- cm_info->ip_version = TCP_IPV6;
+ cm_info->ip_version = QED_TCP_IPV6;

ip_hlen = sizeof(*ip6h);
*payload_len = ntohs(ip6h->payload_len);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.c b/drivers/net/ethernet/qlogic/qed/qed_roce.c
index b5ce1581645f..79424e6f0976 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.c
@@ -138,23 +138,16 @@ static void qed_rdma_copy_gids(struct qed_rdma_qp *qp, __le32 *src_gid,

static enum roce_flavor qed_roce_mode_to_flavor(enum roce_mode roce_mode)
{
- enum roce_flavor flavor;
-
switch (roce_mode) {
case ROCE_V1:
- flavor = PLAIN_ROCE;
- break;
+ return PLAIN_ROCE;
case ROCE_V2_IPV4:
- flavor = RROCE_IPV4;
- break;
+ return RROCE_IPV4;
case ROCE_V2_IPV6:
- flavor = ROCE_V2_IPV6;
- break;
+ return RROCE_IPV6;
default:
- flavor = MAX_ROCE_MODE;
- break;
+ return MAX_ROCE_FLAVOR;
}
- return flavor;
}

void qed_roce_free_cid_pair(struct qed_hwfn *p_hwfn, u16 cid)
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
index 8de644b4721e..77b6248ad3b9 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sp_commands.c
@@ -154,7 +154,7 @@ qed_set_pf_update_tunn_mode(struct qed_tunnel_info *p_tun,
static void qed_set_tunn_cls_info(struct qed_tunnel_info *p_tun,
struct qed_tunnel_info *p_src)
{
- enum tunnel_clss type;
+ int type;

p_tun->b_update_rx_cls = p_src->b_update_rx_cls;
p_tun->b_update_tx_cls = p_src->b_update_tx_cls;
diff --git a/drivers/net/ethernet/qlogic/qed/qed_vf.c b/drivers/net/ethernet/qlogic/qed/qed_vf.c
index be6ddde1a104..c4766e4ac485 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_vf.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_vf.c
@@ -413,7 +413,6 @@ static int qed_vf_pf_acquire(struct qed_hwfn *p_hwfn)
}

if (!p_iov->b_pre_fp_hsi &&
- ETH_HSI_VER_MINOR &&
(resp->pfdev_info.minor_fp_hsi < ETH_HSI_VER_MINOR)) {
DP_INFO(p_hwfn,
"PF is using older fastpath HSI; %02x.%02x is configured\n",
@@ -572,7 +571,7 @@ int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
static void
__qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
struct qed_tunn_update_type *p_src,
- enum qed_tunn_clss mask, u8 *p_cls)
+ enum qed_tunn_mode mask, u8 *p_cls)
{
if (p_src->b_update_mode) {
p_req->tun_mode_update_mask |= BIT(mask);
@@ -587,7 +586,7 @@ __qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
static void
qed_vf_prep_tunn_req_tlv(struct vfpf_update_tunn_param_tlv *p_req,
struct qed_tunn_update_type *p_src,
- enum qed_tunn_clss mask,
+ enum qed_tunn_mode mask,
u8 *p_cls, struct qed_tunn_update_udp_port *p_port,
u8 *p_update_port, u16 *p_udp_port)
{
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 627c5cd8f786..f18087102d40 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -7044,17 +7044,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
struct rtl8169_private *tp = container_of(napi, struct rtl8169_private, napi);
struct net_device *dev = tp->dev;
u16 enable_mask = RTL_EVENT_NAPI | tp->event_slow;
- int work_done= 0;
+ int work_done;
u16 status;

status = rtl_get_events(tp);
rtl_ack_events(tp, status & ~tp->event_slow);

- if (status & RTL_EVENT_NAPI_RX)
- work_done = rtl_rx(dev, tp, (u32) budget);
+ work_done = rtl_rx(dev, tp, (u32) budget);

- if (status & RTL_EVENT_NAPI_TX)
- rtl_tx(dev, tp);
+ rtl_tx(dev, tp);

if (status & tp->event_slow) {
enable_mask &= ~tp->event_slow;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
index 5df1a608e566..541602d70c24 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c
@@ -133,7 +133,7 @@ static int stmmac_mdio_write(struct mii_bus *bus, int phyaddr, int phyreg,
*/
int stmmac_mdio_reset(struct mii_bus *bus)
{
-#if defined(CONFIG_STMMAC_PLATFORM)
+#if IS_ENABLED(CONFIG_STMMAC_PLATFORM)
struct net_device *ndev = bus->priv;
struct stmmac_priv *priv = netdev_priv(ndev);
unsigned int mii_address = priv->hw->mii.addr;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 16ec7af6ab7b..ba9df430fca6 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -966,6 +966,8 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
sizeof(struct yamdrv_ioctl_mcs));
if (IS_ERR(ym))
return PTR_ERR(ym);
+ if (ym->cmd != SIOCYAMSMCS)
+ return -EINVAL;
if (ym->bitrate > YAM_MAXBITRATE) {
kfree(ym);
return -EINVAL;
@@ -981,6 +983,8 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
if (copy_from_user(&yi, ifr->ifr_data, sizeof(struct yamdrv_ioctl_cfg)))
return -EFAULT;

+ if (yi.cmd != SIOCYAMSCFG)
+ return -EINVAL;
if ((yi.cfg.mask & YAM_IOBASE) && netif_running(dev))
return -EINVAL; /* Cannot change this parameter when up */
if ((yi.cfg.mask & YAM_IRQ) && netif_running(dev))
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index e95dd12edec4..023b8d0bf175 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -607,6 +607,9 @@ int asix_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= AX_MONITOR_LINK;
if (wolinfo->wolopts & WAKE_MAGIC)
diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 9e8ad372f419..2207f7a7d1ff 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -566,6 +566,9 @@ ax88179_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= AX_MONITOR_MODE_RWLC;
if (wolinfo->wolopts & WAKE_MAGIC)
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index aeca484a75b8..2bb3a081ff10 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -1401,19 +1401,10 @@ static int lan78xx_set_wol(struct net_device *netdev,
if (ret < 0)
return ret;

- pdata->wol = 0;
- if (wol->wolopts & WAKE_UCAST)
- pdata->wol |= WAKE_UCAST;
- if (wol->wolopts & WAKE_MCAST)
- pdata->wol |= WAKE_MCAST;
- if (wol->wolopts & WAKE_BCAST)
- pdata->wol |= WAKE_BCAST;
- if (wol->wolopts & WAKE_MAGIC)
- pdata->wol |= WAKE_MAGIC;
- if (wol->wolopts & WAKE_PHY)
- pdata->wol |= WAKE_PHY;
- if (wol->wolopts & WAKE_ARP)
- pdata->wol |= WAKE_ARP;
+ if (wol->wolopts & ~WAKE_ALL)
+ return -EINVAL;
+
+ pdata->wol = wol->wolopts;

device_set_wakeup_enable(&dev->udev->dev, (bool)wol->wolopts);

diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 1b07bb5e110d..9a55d75f7f10 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -4503,6 +4503,9 @@ static int rtl8152_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
if (!rtl_can_wakeup(tp))
return -EOPNOTSUPP;

+ if (wol->wolopts & ~WAKE_ANY)
+ return -EINVAL;
+
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
goto out_set_wol;
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
index b64b1ee56d2d..ec287c9741e8 100644
--- a/drivers/net/usb/smsc75xx.c
+++ b/drivers/net/usb/smsc75xx.c
@@ -731,6 +731,9 @@ static int smsc75xx_ethtool_set_wol(struct net_device *net,
struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
int ret;

+ if (wolinfo->wolopts & ~SUPPORTED_WAKE)
+ return -EINVAL;
+
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;

ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 06b4d290784d..262e7a3c23cb 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -774,6 +774,9 @@ static int smsc95xx_ethtool_set_wol(struct net_device *net,
struct smsc95xx_priv *pdata = (struct smsc95xx_priv *)(dev->data[0]);
int ret;

+ if (wolinfo->wolopts & ~SUPPORTED_WAKE)
+ return -EINVAL;
+
pdata->wolopts = wolinfo->wolopts & SUPPORTED_WAKE;

ret = device_set_wakeup_enable(&dev->udev->dev, pdata->wolopts);
diff --git a/drivers/net/usb/sr9800.c b/drivers/net/usb/sr9800.c
index 9277a0f228df..35f39f23d881 100644
--- a/drivers/net/usb/sr9800.c
+++ b/drivers/net/usb/sr9800.c
@@ -421,6 +421,9 @@ sr_set_wol(struct net_device *net, struct ethtool_wolinfo *wolinfo)
struct usbnet *dev = netdev_priv(net);
u8 opt = 0;

+ if (wolinfo->wolopts & ~(WAKE_PHY | WAKE_MAGIC))
+ return -EINVAL;
+
if (wolinfo->wolopts & WAKE_PHY)
opt |= SR_MONITOR_LINK;
if (wolinfo->wolopts & WAKE_MAGIC)
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 2b6ec927809e..500e2d8f10bc 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -2162,8 +2162,9 @@ static void virtnet_freeze_down(struct virtio_device *vdev)
/* Make sure no work handler is accessing the device */
flush_work(&vi->config_work);

+ netif_tx_lock_bh(vi->dev);
netif_device_detach(vi->dev);
- netif_tx_disable(vi->dev);
+ netif_tx_unlock_bh(vi->dev);
cancel_delayed_work_sync(&vi->refill);

if (netif_running(vi->dev)) {
@@ -2199,7 +2200,9 @@ static int virtnet_restore_up(struct virtio_device *vdev)
}
}

+ netif_tx_lock_bh(vi->dev);
netif_device_attach(vi->dev);
+ netif_tx_unlock_bh(vi->dev);
return err;
}

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 80e2c8595c7c..58dd217811c8 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -519,7 +519,6 @@ struct mac80211_hwsim_data {
int channels, idx;
bool use_chanctx;
bool destroy_on_close;
- struct work_struct destroy_work;
u32 portid;
char alpha2[2];
const struct ieee80211_regdomain *regd;
@@ -2812,8 +2811,7 @@ static int mac80211_hwsim_new_radio(struct genl_info *info,
hwsim_radios_generation++;
spin_unlock_bh(&hwsim_radio_lock);

- if (idx > 0)
- hwsim_mcast_new_radio(idx, info, param);
+ hwsim_mcast_new_radio(idx, info, param);

return idx;

@@ -3442,30 +3440,27 @@ static struct genl_family hwsim_genl_family __ro_after_init = {
.n_mcgrps = ARRAY_SIZE(hwsim_mcgrps),
};

-static void destroy_radio(struct work_struct *work)
-{
- struct mac80211_hwsim_data *data =
- container_of(work, struct mac80211_hwsim_data, destroy_work);
-
- hwsim_radios_generation++;
- mac80211_hwsim_del_radio(data, wiphy_name(data->hw->wiphy), NULL);
-}
-
static void remove_user_radios(u32 portid)
{
struct mac80211_hwsim_data *entry, *tmp;
+ LIST_HEAD(list);

spin_lock_bh(&hwsim_radio_lock);
list_for_each_entry_safe(entry, tmp, &hwsim_radios, list) {
if (entry->destroy_on_close && entry->portid == portid) {
- list_del(&entry->list);
+ list_move(&entry->list, &list);
rhashtable_remove_fast(&hwsim_radios_rht, &entry->rht,
hwsim_rht_params);
- INIT_WORK(&entry->destroy_work, destroy_radio);
- queue_work(hwsim_wq, &entry->destroy_work);
+ hwsim_radios_generation++;
}
}
spin_unlock_bh(&hwsim_radio_lock);
+
+ list_for_each_entry_safe(entry, tmp, &list, list) {
+ list_del(&entry->list);
+ mac80211_hwsim_del_radio(entry, wiphy_name(entry->hw->wiphy),
+ NULL);
+ }
}

static int mac80211_hwsim_netlink_notify(struct notifier_block *nb,
@@ -3523,6 +3518,7 @@ static __net_init int hwsim_init_net(struct net *net)
static void __net_exit hwsim_exit_net(struct net *net)
{
struct mac80211_hwsim_data *data, *tmp;
+ LIST_HEAD(list);

spin_lock_bh(&hwsim_radio_lock);
list_for_each_entry_safe(data, tmp, &hwsim_radios, list) {
@@ -3533,17 +3529,19 @@ static void __net_exit hwsim_exit_net(struct net *net)
if (data->netgroup == hwsim_net_get_netgroup(&init_net))
continue;

- list_del(&data->list);
+ list_move(&data->list, &list);
rhashtable_remove_fast(&hwsim_radios_rht, &data->rht,
hwsim_rht_params);
hwsim_radios_generation++;
- spin_unlock_bh(&hwsim_radio_lock);
+ }
+ spin_unlock_bh(&hwsim_radio_lock);
+
+ list_for_each_entry_safe(data, tmp, &list, list) {
+ list_del(&data->list);
mac80211_hwsim_del_radio(data,
wiphy_name(data->hw->wiphy),
NULL);
- spin_lock_bh(&hwsim_radio_lock);
}
- spin_unlock_bh(&hwsim_radio_lock);

ida_simple_remove(&hwsim_netgroup_ida, hwsim_net_get_netgroup(net));
}
diff --git a/drivers/net/wireless/marvell/libertas/if_sdio.c b/drivers/net/wireless/marvell/libertas/if_sdio.c
index 43743c26c071..39bf85d0ade0 100644
--- a/drivers/net/wireless/marvell/libertas/if_sdio.c
+++ b/drivers/net/wireless/marvell/libertas/if_sdio.c
@@ -1317,6 +1317,10 @@ static int if_sdio_suspend(struct device *dev)
if (priv->wol_criteria == EHS_REMOVE_WAKEUP) {
dev_info(dev, "Suspend without wake params -- powering down card\n");
if (priv->fw_ready) {
+ ret = lbs_suspend(priv);
+ if (ret)
+ return ret;
+
priv->power_up_on_resume = true;
if_sdio_power_off(card);
}
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index 3e18a68c2b03..054e66d93ed6 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -2472,6 +2472,7 @@ static int __qedi_probe(struct pci_dev *pdev, int mode)
/* start qedi context */
spin_lock_init(&qedi->hba_lock);
spin_lock_init(&qedi->task_idx_lock);
+ mutex_init(&qedi->stats_lock);
}
qedi_ops->ll2->register_cb_ops(qedi->cdev, &qedi_ll2_cb_ops, qedi);
qedi_ops->ll2->start(qedi->cdev, &params);
diff --git a/drivers/soc/fsl/qbman/qman.c b/drivers/soc/fsl/qbman/qman.c
index ecb22749df0b..8cc015183043 100644
--- a/drivers/soc/fsl/qbman/qman.c
+++ b/drivers/soc/fsl/qbman/qman.c
@@ -2729,6 +2729,9 @@ static int qman_alloc_range(struct gen_pool *p, u32 *result, u32 cnt)
{
unsigned long addr;

+ if (!p)
+ return -ENODEV;
+
addr = gen_pool_alloc(p, cnt);
if (!addr)
return -ENOMEM;
diff --git a/drivers/soc/fsl/qe/ucc.c b/drivers/soc/fsl/qe/ucc.c
index c646d8713861..681f7d4b7724 100644
--- a/drivers/soc/fsl/qe/ucc.c
+++ b/drivers/soc/fsl/qe/ucc.c
@@ -626,7 +626,7 @@ static u32 ucc_get_tdm_sync_shift(enum comm_dir mode, u32 tdm_num)
{
u32 shift;

- shift = (mode == COMM_DIR_RX) ? RX_SYNC_SHIFT_BASE : RX_SYNC_SHIFT_BASE;
+ shift = (mode == COMM_DIR_RX) ? RX_SYNC_SHIFT_BASE : TX_SYNC_SHIFT_BASE;
shift -= tdm_num * 2;

return shift;
diff --git a/drivers/thunderbolt/icm.c b/drivers/thunderbolt/icm.c
index 500911f16498..5bad9fdec5f8 100644
--- a/drivers/thunderbolt/icm.c
+++ b/drivers/thunderbolt/icm.c
@@ -653,14 +653,6 @@ icm_fr_xdomain_connected(struct tb *tb, const struct icm_pkg_header *hdr)
bool approved;
u64 route;

- /*
- * After NVM upgrade adding root switch device fails because we
- * initiated reset. During that time ICM might still send
- * XDomain connected message which we ignore here.
- */
- if (!tb->root_switch)
- return;
-
link = pkg->link_info & ICM_LINK_INFO_LINK_MASK;
depth = (pkg->link_info & ICM_LINK_INFO_DEPTH_MASK) >>
ICM_LINK_INFO_DEPTH_SHIFT;
@@ -950,14 +942,6 @@ icm_tr_device_connected(struct tb *tb, const struct icm_pkg_header *hdr)
if (pkg->hdr.packet_id)
return;

- /*
- * After NVM upgrade adding root switch device fails because we
- * initiated reset. During that time ICM might still send device
- * connected message which we ignore here.
- */
- if (!tb->root_switch)
- return;
-
route = get_route(pkg->route_hi, pkg->route_lo);
authorized = pkg->link_info & ICM_LINK_INFO_APPROVED;
security_level = (pkg->hdr.flags & ICM_FLAGS_SLEVEL_MASK) >>
@@ -1317,19 +1301,26 @@ static void icm_handle_notification(struct work_struct *work)

mutex_lock(&tb->lock);

- switch (n->pkg->code) {
- case ICM_EVENT_DEVICE_CONNECTED:
- icm->device_connected(tb, n->pkg);
- break;
- case ICM_EVENT_DEVICE_DISCONNECTED:
- icm->device_disconnected(tb, n->pkg);
- break;
- case ICM_EVENT_XDOMAIN_CONNECTED:
- icm->xdomain_connected(tb, n->pkg);
- break;
- case ICM_EVENT_XDOMAIN_DISCONNECTED:
- icm->xdomain_disconnected(tb, n->pkg);
- break;
+ /*
+ * When the domain is stopped we flush its workqueue but before
+ * that the root switch is removed. In that case we should treat
+ * the queued events as being canceled.
+ */
+ if (tb->root_switch) {
+ switch (n->pkg->code) {
+ case ICM_EVENT_DEVICE_CONNECTED:
+ icm->device_connected(tb, n->pkg);
+ break;
+ case ICM_EVENT_DEVICE_DISCONNECTED:
+ icm->device_disconnected(tb, n->pkg);
+ break;
+ case ICM_EVENT_XDOMAIN_CONNECTED:
+ icm->xdomain_connected(tb, n->pkg);
+ break;
+ case ICM_EVENT_XDOMAIN_DISCONNECTED:
+ icm->xdomain_disconnected(tb, n->pkg);
+ break;
+ }
}

mutex_unlock(&tb->lock);
diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index f5a33e88e676..2d042150e41c 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -1147,5 +1147,5 @@ static void __exit nhi_unload(void)
tb_domain_exit();
}

-fs_initcall(nhi_init);
+rootfs_initcall(nhi_init);
module_exit(nhi_unload);
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index af842000188c..a25f6ea5c784 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -576,10 +576,6 @@ static int dw8250_probe(struct platform_device *pdev)
if (!data->skip_autocfg)
dw8250_setup_port(p);

-#ifdef CONFIG_PM
- uart.capabilities |= UART_CAP_RPM;
-#endif
-
/* If we have a valid fifosize, try hooking up DMA */
if (p->fifosize) {
data->dma.rxconf.src_maxburst = p->fifosize / 4;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 560ed8711706..c4424cbd9943 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -30,6 +30,7 @@
#include <linux/sched/mm.h>
#include <linux/sched/signal.h>
#include <linux/interval_tree_generic.h>
+#include <linux/nospec.h>

#include "vhost.h"

@@ -1362,6 +1363,7 @@ long vhost_vring_ioctl(struct vhost_dev *d, unsigned int ioctl, void __user *arg
if (idx >= d->nvqs)
return -ENOBUFS;

+ idx = array_index_nospec(idx, d->nvqs);
vq = d->vqs[idx];

mutex_lock(&vq->mutex);
diff --git a/drivers/video/fbdev/pxa168fb.c b/drivers/video/fbdev/pxa168fb.c
index def3a501acd6..d059d04c63ac 100644
--- a/drivers/video/fbdev/pxa168fb.c
+++ b/drivers/video/fbdev/pxa168fb.c
@@ -712,7 +712,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
/*
* enable controller clock
*/
- clk_enable(fbi->clk);
+ clk_prepare_enable(fbi->clk);

pxa168fb_set_par(info);

@@ -767,7 +767,7 @@ static int pxa168fb_probe(struct platform_device *pdev)
failed_free_cmap:
fb_dealloc_cmap(&info->cmap);
failed_free_clk:
- clk_disable(fbi->clk);
+ clk_disable_unprepare(fbi->clk);
failed_free_fbmem:
dma_free_coherent(fbi->dev, info->fix.smem_len,
info->screen_base, fbi->fb_start_dma);
@@ -807,7 +807,7 @@ static int pxa168fb_remove(struct platform_device *pdev)
dma_free_wc(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
info->screen_base, info->fix.smem_start);

- clk_disable(fbi->clk);
+ clk_disable_unprepare(fbi->clk);

framebuffer_release(info);

diff --git a/fs/afs/cell.c b/fs/afs/cell.c
index f3d0bef16d78..6127f0fcd62c 100644
--- a/fs/afs/cell.c
+++ b/fs/afs/cell.c
@@ -514,6 +514,8 @@ static int afs_alloc_anon_key(struct afs_cell *cell)
*/
static int afs_activate_cell(struct afs_net *net, struct afs_cell *cell)
{
+ struct hlist_node **p;
+ struct afs_cell *pcell;
int ret;

if (!cell->anonymous_key) {
@@ -534,7 +536,18 @@ static int afs_activate_cell(struct afs_net *net, struct afs_cell *cell)
return ret;

mutex_lock(&net->proc_cells_lock);
- list_add_tail(&cell->proc_link, &net->proc_cells);
+ for (p = &net->proc_cells.first; *p; p = &(*p)->next) {
+ pcell = hlist_entry(*p, struct afs_cell, proc_link);
+ if (strcmp(cell->name, pcell->name) < 0)
+ break;
+ }
+
+ cell->proc_link.pprev = p;
+ cell->proc_link.next = *p;
+ rcu_assign_pointer(*p, &cell->proc_link.next);
+ if (cell->proc_link.next)
+ cell->proc_link.next->pprev = &cell->proc_link.next;
+
afs_dynroot_mkdir(net, cell);
mutex_unlock(&net->proc_cells_lock);
return 0;
@@ -550,7 +563,7 @@ static void afs_deactivate_cell(struct afs_net *net, struct afs_cell *cell)
afs_proc_cell_remove(cell);

mutex_lock(&net->proc_cells_lock);
- list_del_init(&cell->proc_link);
+ hlist_del_rcu(&cell->proc_link);
afs_dynroot_rmdir(net, cell);
mutex_unlock(&net->proc_cells_lock);

diff --git a/fs/afs/dynroot.c b/fs/afs/dynroot.c
index 174e843f0633..7de7223843cc 100644
--- a/fs/afs/dynroot.c
+++ b/fs/afs/dynroot.c
@@ -286,7 +286,7 @@ int afs_dynroot_populate(struct super_block *sb)
return -ERESTARTSYS;

net->dynroot_sb = sb;
- list_for_each_entry(cell, &net->proc_cells, proc_link) {
+ hlist_for_each_entry(cell, &net->proc_cells, proc_link) {
ret = afs_dynroot_mkdir(net, cell);
if (ret < 0)
goto error;
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 9778df135717..270d1caa27c6 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -241,7 +241,7 @@ struct afs_net {
seqlock_t cells_lock;

struct mutex proc_cells_lock;
- struct list_head proc_cells;
+ struct hlist_head proc_cells;

/* Known servers. Theoretically each fileserver can only be in one
* cell, but in practice, people create aliases and subsets and there's
@@ -319,7 +319,7 @@ struct afs_cell {
struct afs_net *net;
struct key *anonymous_key; /* anonymous user key for this cell */
struct work_struct manager; /* Manager for init/deinit/dns */
- struct list_head proc_link; /* /proc cell list link */
+ struct hlist_node proc_link; /* /proc cell list link */
#ifdef CONFIG_AFS_FSCACHE
struct fscache_cookie *cache; /* caching cookie */
#endif
diff --git a/fs/afs/main.c b/fs/afs/main.c
index e84fe822a960..107427688edd 100644
--- a/fs/afs/main.c
+++ b/fs/afs/main.c
@@ -87,7 +87,7 @@ static int __net_init afs_net_init(struct net *net_ns)
timer_setup(&net->cells_timer, afs_cells_timer, 0);

mutex_init(&net->proc_cells_lock);
- INIT_LIST_HEAD(&net->proc_cells);
+ INIT_HLIST_HEAD(&net->proc_cells);

seqlock_init(&net->fs_lock);
net->fs_servers = RB_ROOT;
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 476dcbb79713..9101f62707af 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -33,9 +33,8 @@ static inline struct afs_net *afs_seq2net_single(struct seq_file *m)
static int afs_proc_cells_show(struct seq_file *m, void *v)
{
struct afs_cell *cell = list_entry(v, struct afs_cell, proc_link);
- struct afs_net *net = afs_seq2net(m);

- if (v == &net->proc_cells) {
+ if (v == SEQ_START_TOKEN) {
/* display header on line 1 */
seq_puts(m, "USE NAME\n");
return 0;
@@ -50,12 +49,12 @@ static void *afs_proc_cells_start(struct seq_file *m, loff_t *_pos)
__acquires(rcu)
{
rcu_read_lock();
- return seq_list_start_head(&afs_seq2net(m)->proc_cells, *_pos);
+ return seq_hlist_start_head_rcu(&afs_seq2net(m)->proc_cells, *_pos);
}

static void *afs_proc_cells_next(struct seq_file *m, void *v, loff_t *pos)
{
- return seq_list_next(v, &afs_seq2net(m)->proc_cells, pos);
+ return seq_hlist_next_rcu(v, &afs_seq2net(m)->proc_cells, pos);
}

static void afs_proc_cells_stop(struct seq_file *m, void *v)
diff --git a/fs/fat/fatent.c b/fs/fat/fatent.c
index 3aef8630a4b9..95d2c716e0da 100644
--- a/fs/fat/fatent.c
+++ b/fs/fat/fatent.c
@@ -681,6 +681,7 @@ int fat_count_free_clusters(struct super_block *sb)
if (ops->ent_get(&fatent) == FAT_ENT_FREE)
free++;
} while (fat_ent_next(sbi, &fatent));
+ cond_resched();
}
sbi->free_clusters = free;
sbi->free_clus_valid = 1;
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 7869622af22a..7a5ee145c733 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -2946,6 +2946,7 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle,
if (map_end & (PAGE_SIZE - 1))
to = map_end & (PAGE_SIZE - 1);

+retry:
page = find_or_create_page(mapping, page_index, GFP_NOFS);
if (!page) {
ret = -ENOMEM;
@@ -2954,11 +2955,18 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle,
}

/*
- * In case PAGE_SIZE <= CLUSTER_SIZE, This page
- * can't be dirtied before we CoW it out.
+ * In case PAGE_SIZE <= CLUSTER_SIZE, we do not expect a dirty
+ * page, so write it back.
*/
- if (PAGE_SIZE <= OCFS2_SB(sb)->s_clustersize)
- BUG_ON(PageDirty(page));
+ if (PAGE_SIZE <= OCFS2_SB(sb)->s_clustersize) {
+ if (PageDirty(page)) {
+ /*
+ * write_on_page will unlock the page on return
+ */
+ ret = write_one_page(page);
+ goto retry;
+ }
+ }

if (!PageUptodate(page)) {
ret = block_read_full_page(page, ocfs2_get_block);
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index e373e2e10f6a..83b930988e21 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -70,7 +70,7 @@
*/
#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
-#define DATA_MAIN .data .data.[0-9a-zA-Z_]*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]* .data..LPBX*
#define SDATA_MAIN .sdata .sdata.[0-9a-zA-Z_]*
#define RODATA_MAIN .rodata .rodata.[0-9a-zA-Z_]*
#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
@@ -617,8 +617,8 @@

#define EXIT_DATA \
*(.exit.data .exit.data.*) \
- *(.fini_array) \
- *(.dtors) \
+ *(.fini_array .fini_array.*) \
+ *(.dtors .dtors.*) \
MEM_DISCARD(exit.data*) \
MEM_DISCARD(exit.rodata*)

diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h
index a8ba6b04152c..55e4be8b016b 100644
--- a/include/linux/compiler_types.h
+++ b/include/linux/compiler_types.h
@@ -78,6 +78,18 @@ extern void __chk_io_ptr(const volatile void __iomem *);
#include <linux/compiler-clang.h>
#endif

+/*
+ * Some architectures need to provide custom definitions of macros provided
+ * by linux/compiler-*.h, and can do so using asm/compiler.h. We include that
+ * conditionally rather than using an asm-generic wrapper in order to avoid
+ * build failures if any C compilation, which will include this file via an
+ * -include argument in c_flags, occurs prior to the asm-generic wrappers being
+ * generated.
+ */
+#ifdef CONFIG_HAVE_ARCH_COMPILER_H
+#include <asm/compiler.h>
+#endif
+
/*
* Generic compiler-dependent macros required for kernel
* build go below this comment. Actual compiler/compiler version
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 5382b5183b7e..82a953ec5ef0 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -94,6 +94,13 @@ struct gpio_irq_chip {
*/
unsigned int num_parents;

+ /**
+ * @parent_irq:
+ *
+ * For use by gpiochip_set_cascaded_irqchip()
+ */
+ unsigned int parent_irq;
+
/**
* @parents:
*
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 64f450593b54..b49bfc8e68b0 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -1022,6 +1022,14 @@ static inline void *mlx5_frag_buf_get_wqe(struct mlx5_frag_buf_ctrl *fbc,
((fbc->frag_sz_m1 & ix) << fbc->log_stride);
}

+static inline u32
+mlx5_frag_buf_get_idx_last_contig_stride(struct mlx5_frag_buf_ctrl *fbc, u32 ix)
+{
+ u32 last_frag_stride_idx = (ix + fbc->strides_offset) | fbc->frag_sz_m1;
+
+ return min_t(u32, last_frag_stride_idx - fbc->strides_offset, fbc->sz_m1);
+}
+
int mlx5_cmd_init(struct mlx5_core_dev *dev);
void mlx5_cmd_cleanup(struct mlx5_core_dev *dev);
void mlx5_cmd_use_events(struct mlx5_core_dev *dev);
diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index dd2052f0efb7..11b7b8ab0696 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -215,6 +215,8 @@ static inline int nf_hook(u_int8_t pf, unsigned int hook, struct net *net,
break;
case NFPROTO_ARP:
#ifdef CONFIG_NETFILTER_FAMILY_ARP
+ if (WARN_ON_ONCE(hook >= ARRAY_SIZE(net->nf.hooks_arp)))
+ break;
hook_head = rcu_dereference(net->nf.hooks_arp[hook]);
#endif
break;
diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 3d4930528db0..2d31e22babd8 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -159,6 +159,10 @@ struct fib6_info {
struct rt6_info * __percpu *rt6i_pcpu;
struct rt6_exception_bucket __rcu *rt6i_exception_bucket;

+#ifdef CONFIG_IPV6_ROUTER_PREF
+ unsigned long last_probe;
+#endif
+
u32 fib6_metric;
u8 fib6_protocol;
u8 fib6_type;
diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h
index 5ef1bad81ef5..9e3d32746430 100644
--- a/include/net/sctp/sm.h
+++ b/include/net/sctp/sm.h
@@ -347,7 +347,7 @@ static inline __u16 sctp_data_size(struct sctp_chunk *chunk)
__u16 size;

size = ntohs(chunk->chunk_hdr->length);
- size -= sctp_datahdr_len(&chunk->asoc->stream);
+ size -= sctp_datachk_len(&chunk->asoc->stream);

return size;
}
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 4fff00e9da8a..0a774b64fc29 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -56,7 +56,6 @@ enum rxrpc_peer_trace {
rxrpc_peer_new,
rxrpc_peer_processing,
rxrpc_peer_put,
- rxrpc_peer_queued_error,
};

enum rxrpc_conn_trace {
@@ -257,8 +256,7 @@ enum rxrpc_tx_fail_trace {
EM(rxrpc_peer_got, "GOT") \
EM(rxrpc_peer_new, "NEW") \
EM(rxrpc_peer_processing, "PRO") \
- EM(rxrpc_peer_put, "PUT") \
- E_(rxrpc_peer_queued_error, "QER")
+ E_(rxrpc_peer_put, "PUT")

#define rxrpc_conn_traces \
EM(rxrpc_conn_got, "GOT") \
diff --git a/kernel/events/core.c b/kernel/events/core.c
index ae22d93701db..fc072b7f839d 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -8319,6 +8319,8 @@ void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size,
goto unlock;

list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {
+ if (event->cpu != smp_processor_id())
+ continue;
if (event->attr.type != PERF_TYPE_TRACEPOINT)
continue;
if (event->attr.config != entry->type)
@@ -9436,9 +9438,7 @@ static void free_pmu_context(struct pmu *pmu)
if (pmu->task_ctx_nr > perf_invalid_context)
return;

- mutex_lock(&pmus_lock);
free_percpu(pmu->pmu_cpu_context);
- mutex_unlock(&pmus_lock);
}

/*
@@ -9694,12 +9694,8 @@ EXPORT_SYMBOL_GPL(perf_pmu_register);

void perf_pmu_unregister(struct pmu *pmu)
{
- int remove_device;
-
mutex_lock(&pmus_lock);
- remove_device = pmu_bus_running;
list_del_rcu(&pmu->entry);
- mutex_unlock(&pmus_lock);

/*
* We dereference the pmu list under both SRCU and regular RCU, so
@@ -9711,13 +9707,14 @@ void perf_pmu_unregister(struct pmu *pmu)
free_percpu(pmu->pmu_disable_count);
if (pmu->type >= PERF_TYPE_MAX)
idr_remove(&pmu_idr, pmu->type);
- if (remove_device) {
+ if (pmu_bus_running) {
if (pmu->nr_addr_filters)
device_remove_file(pmu->dev, &dev_attr_nr_addr_filters);
device_del(pmu->dev);
put_device(pmu->dev);
}
free_pmu_context(pmu);
+ mutex_unlock(&pmus_lock);
}
EXPORT_SYMBOL_GPL(perf_pmu_unregister);

diff --git a/kernel/locking/test-ww_mutex.c b/kernel/locking/test-ww_mutex.c
index 0e4cd64ad2c0..654977862b06 100644
--- a/kernel/locking/test-ww_mutex.c
+++ b/kernel/locking/test-ww_mutex.c
@@ -260,7 +260,7 @@ static void test_cycle_work(struct work_struct *work)
{
struct test_cycle *cycle = container_of(work, typeof(*cycle), work);
struct ww_acquire_ctx ctx;
- int err;
+ int err, erra = 0;

ww_acquire_init(&ctx, &ww_class);
ww_mutex_lock(&cycle->a_mutex, &ctx);
@@ -270,17 +270,19 @@ static void test_cycle_work(struct work_struct *work)

err = ww_mutex_lock(cycle->b_mutex, &ctx);
if (err == -EDEADLK) {
+ err = 0;
ww_mutex_unlock(&cycle->a_mutex);
ww_mutex_lock_slow(cycle->b_mutex, &ctx);
- err = ww_mutex_lock(&cycle->a_mutex, &ctx);
+ erra = ww_mutex_lock(&cycle->a_mutex, &ctx);
}

if (!err)
ww_mutex_unlock(cycle->b_mutex);
- ww_mutex_unlock(&cycle->a_mutex);
+ if (!erra)
+ ww_mutex_unlock(&cycle->a_mutex);
ww_acquire_fini(&ctx);

- cycle->result = err;
+ cycle->result = err ?: erra;
}

static int __test_cycle(unsigned int nthreads)
diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c
index 6a473709e9b6..7405c9d89d65 100644
--- a/mm/gup_benchmark.c
+++ b/mm/gup_benchmark.c
@@ -19,7 +19,8 @@ static int __gup_benchmark_ioctl(unsigned int cmd,
struct gup_benchmark *gup)
{
ktime_t start_time, end_time;
- unsigned long i, nr, nr_pages, addr, next;
+ unsigned long i, nr_pages, addr, next;
+ int nr;
struct page **pages;

nr_pages = gup->size / PAGE_SIZE;
diff --git a/mm/migrate.c b/mm/migrate.c
index 2a55289ee9f1..f49eb9589d73 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -1415,7 +1415,7 @@ int migrate_pages(struct list_head *from, new_page_t get_new_page,
* we encounter them after the rest of the list
* is processed.
*/
- if (PageTransHuge(page)) {
+ if (PageTransHuge(page) && !PageHuge(page)) {
lock_page(page);
rc = split_huge_page_to_list(page, from);
unlock_page(page);
diff --git a/mm/vmscan.c b/mm/vmscan.c
index fc0436407471..03822f86f288 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -386,17 +386,6 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
delta = freeable >> priority;
delta *= 4;
do_div(delta, shrinker->seeks);
-
- /*
- * Make sure we apply some minimal pressure on default priority
- * even on small cgroups. Stale objects are not only consuming memory
- * by themselves, but can also hold a reference to a dying cgroup,
- * preventing it from being reclaimed. A dying cgroup with all
- * corresponding structures like per-cpu stats and kmem caches
- * can be really big, so it may lead to a significant waste of memory.
- */
- delta = max_t(unsigned long long, delta, min(freeable, batch_size));
-
total_scan += delta;
if (total_scan < 0) {
pr_err("shrink_slab: %pF negative objects to delete nr=%ld\n",
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 8a80d48d89c4..1b9984f653dd 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2298,9 +2298,8 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
/* LE address type */
addr_type = le_addr_type(cp->addr.type);

- hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);
-
- err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
+ /* Abort any ongoing SMP pairing. Removes ltk and irk if they exist. */
+ err = smp_cancel_and_remove_pairing(hdev, &cp->addr.bdaddr, addr_type);
if (err < 0) {
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE,
MGMT_STATUS_NOT_PAIRED, &rp,
@@ -2314,8 +2313,6 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
goto done;
}

- /* Abort any ongoing SMP pairing */
- smp_cancel_pairing(conn);

/* Defer clearing up the connection parameters until closing to
* give a chance of keeping them if a repairing happens.
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3a7b0773536b..73f7211d0431 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2422,30 +2422,51 @@ int smp_conn_security(struct hci_conn *hcon, __u8 sec_level)
return ret;
}

-void smp_cancel_pairing(struct hci_conn *hcon)
+int smp_cancel_and_remove_pairing(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type)
{
- struct l2cap_conn *conn = hcon->l2cap_data;
+ struct hci_conn *hcon;
+ struct l2cap_conn *conn;
struct l2cap_chan *chan;
struct smp_chan *smp;
+ int err;
+
+ err = hci_remove_ltk(hdev, bdaddr, addr_type);
+ hci_remove_irk(hdev, bdaddr, addr_type);
+
+ hcon = hci_conn_hash_lookup_le(hdev, bdaddr, addr_type);
+ if (!hcon)
+ goto done;

+ conn = hcon->l2cap_data;
if (!conn)
- return;
+ goto done;

chan = conn->smp;
if (!chan)
- return;
+ goto done;

l2cap_chan_lock(chan);

smp = chan->data;
if (smp) {
+ /* Set keys to NULL to make sure smp_failure() does not try to
+ * remove and free already invalidated rcu list entries. */
+ smp->ltk = NULL;
+ smp->slave_ltk = NULL;
+ smp->remote_irk = NULL;
+
if (test_bit(SMP_FLAG_COMPLETE, &smp->flags))
smp_failure(conn, 0);
else
smp_failure(conn, SMP_UNSPECIFIED);
+ err = 0;
}

l2cap_chan_unlock(chan);
+
+done:
+ return err;
}

static int smp_cmd_encrypt_info(struct l2cap_conn *conn, struct sk_buff *skb)
diff --git a/net/bluetooth/smp.h b/net/bluetooth/smp.h
index 0ff6247eaa6c..121edadd5f8d 100644
--- a/net/bluetooth/smp.h
+++ b/net/bluetooth/smp.h
@@ -181,7 +181,8 @@ enum smp_key_pref {
};

/* SMP Commands */
-void smp_cancel_pairing(struct hci_conn *hcon);
+int smp_cancel_and_remove_pairing(struct hci_dev *hdev, bdaddr_t *bdaddr,
+ u8 addr_type);
bool smp_sufficient_security(struct hci_conn *hcon, u8 sec_level,
enum smp_key_pref key_pref);
int smp_conn_security(struct hci_conn *hcon, __u8 sec_level);
diff --git a/net/bpfilter/bpfilter_kern.c b/net/bpfilter/bpfilter_kern.c
index f0fc182d3db7..d5dd6b8b4248 100644
--- a/net/bpfilter/bpfilter_kern.c
+++ b/net/bpfilter/bpfilter_kern.c
@@ -23,9 +23,11 @@ static void shutdown_umh(struct umh_info *info)

if (!info->pid)
return;
- tsk = pid_task(find_vpid(info->pid), PIDTYPE_PID);
- if (tsk)
+ tsk = get_pid_task(find_vpid(info->pid), PIDTYPE_PID);
+ if (tsk) {
force_sig(SIGKILL, tsk);
+ put_task_struct(tsk);
+ }
fput(info->pipe_to_umh);
fput(info->pipe_from_umh);
info->pid = 0;
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 920665dd92db..6059a47f5e0c 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -1420,7 +1420,14 @@ static void br_multicast_query_received(struct net_bridge *br,
return;

br_multicast_update_query_timer(br, query, max_delay);
- br_multicast_mark_router(br, port);
+
+ /* Based on RFC4541, section 2.1.1 IGMP Forwarding Rules,
+ * the arrival port for IGMP Queries where the source address
+ * is 0.0.0.0 should not be added to router port list.
+ */
+ if ((saddr->proto == htons(ETH_P_IP) && saddr->u.ip4) ||
+ saddr->proto == htons(ETH_P_IPV6))
+ br_multicast_mark_router(br, port);
}

static int br_ip4_multicast_query(struct net_bridge *br,
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 9b16eaf33819..58240cc185e7 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -834,7 +834,8 @@ static unsigned int ip_sabotage_in(void *priv,
struct sk_buff *skb,
const struct nf_hook_state *state)
{
- if (skb->nf_bridge && !skb->nf_bridge->in_prerouting) {
+ if (skb->nf_bridge && !skb->nf_bridge->in_prerouting &&
+ !netif_is_l3_master(skb->dev)) {
state->okfn(state->net, state->sk, skb);
return NF_STOLEN;
}
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 9938952c5c78..16f0eb0970c4 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -808,8 +808,9 @@ int skb_copy_and_csum_datagram_msg(struct sk_buff *skb,
return -EINVAL;
}

- if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE))
- netdev_rx_csum_fault(skb->dev);
+ if (unlikely(skb->ip_summed == CHECKSUM_COMPLETE) &&
+ !skb->csum_complete_sw)
+ netdev_rx_csum_fault(NULL);
}
return 0;
fault:
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 6c04f1bf377d..548d0e615bc7 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -2461,13 +2461,17 @@ static int ethtool_set_per_queue_coalesce(struct net_device *dev,
return ret;
}

-static int ethtool_set_per_queue(struct net_device *dev, void __user *useraddr)
+static int ethtool_set_per_queue(struct net_device *dev,
+ void __user *useraddr, u32 sub_cmd)
{
struct ethtool_per_queue_op per_queue_opt;

if (copy_from_user(&per_queue_opt, useraddr, sizeof(per_queue_opt)))
return -EFAULT;

+ if (per_queue_opt.sub_command != sub_cmd)
+ return -EINVAL;
+
switch (per_queue_opt.sub_command) {
case ETHTOOL_GCOALESCE:
return ethtool_get_per_queue_coalesce(dev, useraddr, &per_queue_opt);
@@ -2838,7 +2842,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
rc = ethtool_get_phy_stats(dev, useraddr);
break;
case ETHTOOL_PERQUEUE:
- rc = ethtool_set_per_queue(dev, useraddr);
+ rc = ethtool_set_per_queue(dev, useraddr, sub_cmd);
break;
case ETHTOOL_GLINKSETTINGS:
rc = ethtool_get_link_ksettings(dev, useraddr);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 18de39dbdc30..4b25fd14bc5a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -3480,6 +3480,11 @@ static int rtnl_fdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EINVAL;
}

+ if (dev->type != ARPHRD_ETHER) {
+ NL_SET_ERR_MSG(extack, "FDB delete only supported for Ethernet devices");
+ return -EINVAL;
+ }
+
addr = nla_data(tb[NDA_LLADDR]);

err = fdb_vid_parse(tb[NDA_VLAN], &vid, extack);
@@ -3584,6 +3589,11 @@ static int rtnl_fdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
return -EINVAL;
}

+ if (dev->type != ARPHRD_ETHER) {
+ NL_SET_ERR_MSG(extack, "FDB add only supported for Ethernet devices");
+ return -EINVAL;
+ }
+
addr = nla_data(tb[NDA_LLADDR]);

err = fdb_vid_parse(tb[NDA_VLAN], &vid, extack);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 3680912f056a..c45916b91a9c 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -1845,8 +1845,9 @@ int pskb_trim_rcsum_slow(struct sk_buff *skb, unsigned int len)
if (skb->ip_summed == CHECKSUM_COMPLETE) {
int delta = skb->len - len;

- skb->csum = csum_sub(skb->csum,
- skb_checksum(skb, len, delta, 0));
+ skb->csum = csum_block_sub(skb->csum,
+ skb_checksum(skb, len, delta, 0),
+ len);
}
return __pskb_trim(skb, len);
}
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index d14d741fb05e..9d3bdce1ad8a 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -657,10 +657,14 @@ struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user)
if (ip_is_fragment(&iph)) {
skb = skb_share_check(skb, GFP_ATOMIC);
if (skb) {
- if (!pskb_may_pull(skb, netoff + iph.ihl * 4))
- return skb;
- if (pskb_trim_rcsum(skb, netoff + len))
- return skb;
+ if (!pskb_may_pull(skb, netoff + iph.ihl * 4)) {
+ kfree_skb(skb);
+ return NULL;
+ }
+ if (pskb_trim_rcsum(skb, netoff + len)) {
+ kfree_skb(skb);
+ return NULL;
+ }
memset(IPCB(skb), 0, sizeof(struct inet_skb_parm));
if (ip_defrag(net, skb, user))
return NULL;
diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c
index cafb0506c8c9..33be09791c74 100644
--- a/net/ipv4/ipmr_base.c
+++ b/net/ipv4/ipmr_base.c
@@ -295,8 +295,6 @@ int mr_rtm_dumproute(struct sk_buff *skb, struct netlink_callback *cb,
next_entry:
e++;
}
- e = 0;
- s_e = 0;

spin_lock_bh(lock);
list_for_each_entry(mfc, &mrt->mfc_unres_queue, list) {
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index a12df801de94..2fe7e2713350 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -2124,8 +2124,24 @@ static inline int udp4_csum_init(struct sk_buff *skb, struct udphdr *uh,
/* Note, we are only interested in != 0 or == 0, thus the
* force to int.
*/
- return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
- inet_compute_pseudo);
+ err = (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+ inet_compute_pseudo);
+ if (err)
+ return err;
+
+ if (skb->ip_summed == CHECKSUM_COMPLETE && !skb->csum_valid) {
+ /* If SW calculated the value, we know it's bad */
+ if (skb->csum_complete_sw)
+ return 1;
+
+ /* HW says the value is bad. Let's validate that.
+ * skb->csum is no longer the full packet checksum,
+ * so don't treat it as such.
+ */
+ skb_checksum_complete_unset(skb);
+ }
+
+ return 0;
}

/* wrapper for udp_queue_rcv_skb tacking care of csum conversion and
diff --git a/net/ipv4/xfrm4_input.c b/net/ipv4/xfrm4_input.c
index bcfc00e88756..f8de2482a529 100644
--- a/net/ipv4/xfrm4_input.c
+++ b/net/ipv4/xfrm4_input.c
@@ -67,6 +67,7 @@ int xfrm4_transport_finish(struct sk_buff *skb, int async)

if (xo && (xo->flags & XFRM_GRO)) {
skb_mac_header_rebuild(skb);
+ skb_reset_transport_header(skb);
return 0;
}

diff --git a/net/ipv4/xfrm4_mode_transport.c b/net/ipv4/xfrm4_mode_transport.c
index 3d36644890bb..1ad2c2c4e250 100644
--- a/net/ipv4/xfrm4_mode_transport.c
+++ b/net/ipv4/xfrm4_mode_transport.c
@@ -46,7 +46,6 @@ static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb)
{
int ihl = skb->data - skb_transport_header(skb);
- struct xfrm_offload *xo = xfrm_offload(skb);

if (skb->transport_header != skb->network_header) {
memmove(skb_transport_header(skb),
@@ -54,8 +53,7 @@ static int xfrm4_transport_input(struct xfrm_state *x, struct sk_buff *skb)
skb->network_header = skb->transport_header;
}
ip_hdr(skb)->tot_len = htons(skb->len + ihl);
- if (!xo || !(xo->flags & XFRM_GRO))
- skb_reset_transport_header(skb);
+ skb_reset_transport_header(skb);
return 0;
}

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 3484c7020fd9..ac3de1aa1cd3 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4930,8 +4930,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb,

/* unicast address incl. temp addr */
list_for_each_entry(ifa, &idev->addr_list, if_list) {
- if (++ip_idx < s_ip_idx)
- continue;
+ if (ip_idx < s_ip_idx)
+ goto next;
err = inet6_fill_ifaddr(skb, ifa,
NETLINK_CB(cb->skb).portid,
cb->nlh->nlmsg_seq,
@@ -4940,6 +4940,8 @@ static int in6_dump_addrs(struct inet6_dev *idev, struct sk_buff *skb,
if (err < 0)
break;
nl_dump_check_consistent(cb, nlmsg_hdr(skb));
+next:
+ ip_idx++;
}
break;
}
diff --git a/net/ipv6/ip6_checksum.c b/net/ipv6/ip6_checksum.c
index 547515e8450a..377717045f8f 100644
--- a/net/ipv6/ip6_checksum.c
+++ b/net/ipv6/ip6_checksum.c
@@ -88,8 +88,24 @@ int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto)
* Note, we are only interested in != 0 or == 0, thus the
* force to int.
*/
- return (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
- ip6_compute_pseudo);
+ err = (__force int)skb_checksum_init_zero_check(skb, proto, uh->check,
+ ip6_compute_pseudo);
+ if (err)
+ return err;
+
+ if (skb->ip_summed == CHECKSUM_COMPLETE && !skb->csum_valid) {
+ /* If SW calculated the value, we know it's bad */
+ if (skb->csum_complete_sw)
+ return 1;
+
+ /* HW says the value is bad. Let's validate that.
+ * skb->csum is no longer the full packet checksum,
+ * so don't treat is as such.
+ */
+ skb_checksum_complete_unset(skb);
+ }
+
+ return 0;
}
EXPORT_SYMBOL(udp6_csum_init);

diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index f5b5b0574a2d..009b508127e6 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1184,10 +1184,6 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
}
skb_dst_set(skb, dst);

- if (encap_limit >= 0) {
- init_tel_txopt(&opt, encap_limit);
- ipv6_push_frag_opts(skb, &opt.ops, &proto);
- }
hop_limit = hop_limit ? : ip6_dst_hoplimit(dst);

/* Calculate max headroom for all the headers and adjust
@@ -1202,6 +1198,11 @@ int ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev, __u8 dsfield,
if (err)
return err;

+ if (encap_limit >= 0) {
+ init_tel_txopt(&opt, encap_limit);
+ ipv6_push_frag_opts(skb, &opt.ops, &proto);
+ }
+
skb_push(skb, sizeof(struct ipv6hdr));
skb_reset_network_header(skb);
ipv6h = ipv6_hdr(skb);
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index f60f310785fd..131440ea6b51 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2436,17 +2436,17 @@ static int ip6_mc_leave_src(struct sock *sk, struct ipv6_mc_socklist *iml,
{
int err;

- /* callers have the socket lock and rtnl lock
- * so no other readers or writers of iml or its sflist
- */
+ write_lock_bh(&iml->sflock);
if (!iml->sflist) {
/* any-source empty exclude case */
- return ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0);
+ err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode, 0, NULL, 0);
+ } else {
+ err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode,
+ iml->sflist->sl_count, iml->sflist->sl_addr, 0);
+ sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max));
+ iml->sflist = NULL;
}
- err = ip6_mc_del_src(idev, &iml->addr, iml->sfmode,
- iml->sflist->sl_count, iml->sflist->sl_addr, 0);
- sock_kfree_s(sk, iml->sflist, IP6_SFLSIZE(iml->sflist->sl_max));
- iml->sflist = NULL;
+ write_unlock_bh(&iml->sflock);
return err;
}

diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 0ec273997d1d..673a4a932f2a 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1732,10 +1732,9 @@ int ndisc_rcv(struct sk_buff *skb)
return 0;
}

- memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
-
switch (msg->icmph.icmp6_type) {
case NDISC_NEIGHBOUR_SOLICITATION:
+ memset(NEIGH_CB(skb), 0, sizeof(struct neighbour_cb));
ndisc_recv_ns(skb);
break;

diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index e4d9e6976d3c..a452d99c9f52 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -585,8 +585,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
fq->q.meat == fq->q.len &&
nf_ct_frag6_reasm(fq, skb, dev))
ret = 0;
- else
- skb_dst_drop(skb);

out_unlock:
spin_unlock_bh(&fq->q.lock);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index ed526e257da6..a243d5249b51 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -517,10 +517,11 @@ static void rt6_probe_deferred(struct work_struct *w)

static void rt6_probe(struct fib6_info *rt)
{
- struct __rt6_probe_work *work;
+ struct __rt6_probe_work *work = NULL;
const struct in6_addr *nh_gw;
struct neighbour *neigh;
struct net_device *dev;
+ struct inet6_dev *idev;

/*
* Okay, this does not seem to be appropriate
@@ -536,15 +537,12 @@ static void rt6_probe(struct fib6_info *rt)
nh_gw = &rt->fib6_nh.nh_gw;
dev = rt->fib6_nh.nh_dev;
rcu_read_lock_bh();
+ idev = __in6_dev_get(dev);
neigh = __ipv6_neigh_lookup_noref(dev, nh_gw);
if (neigh) {
- struct inet6_dev *idev;
-
if (neigh->nud_state & NUD_VALID)
goto out;

- idev = __in6_dev_get(dev);
- work = NULL;
write_lock(&neigh->lock);
if (!(neigh->nud_state & NUD_VALID) &&
time_after(jiffies,
@@ -554,11 +552,13 @@ static void rt6_probe(struct fib6_info *rt)
__neigh_set_probe_once(neigh);
}
write_unlock(&neigh->lock);
- } else {
+ } else if (time_after(jiffies, rt->last_probe +
+ idev->cnf.rtr_probe_interval)) {
work = kmalloc(sizeof(*work), GFP_ATOMIC);
}

if (work) {
+ rt->last_probe = jiffies;
INIT_WORK(&work->work, rt6_probe_deferred);
work->target = *nh_gw;
dev_hold(dev);
@@ -2792,6 +2792,8 @@ static int ip6_route_check_nh_onlink(struct net *net,
grt = ip6_nh_lookup_table(net, cfg, gw_addr, tbid, 0);
if (grt) {
if (!grt->dst.error &&
+ /* ignore match if it is the default route */
+ grt->from && !ipv6_addr_any(&grt->from->fib6_dst.addr) &&
(grt->rt6i_flags & flags || dev != grt->dst.dev)) {
NL_SET_ERR_MSG(extack,
"Nexthop has invalid gateway or device mismatch");
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 39d0cab919bb..4f2c7a196365 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -762,11 +762,9 @@ static int udp6_unicast_rcv_skb(struct sock *sk, struct sk_buff *skb,

ret = udpv6_queue_rcv_skb(sk, skb);

- /* a return value > 0 means to resubmit the input, but
- * it wants the return to be -protocol, or 0
- */
+ /* a return value > 0 means to resubmit the input */
if (ret > 0)
- return -ret;
+ return ret;
return 0;
}

diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c
index 841f4a07438e..9ef490dddcea 100644
--- a/net/ipv6/xfrm6_input.c
+++ b/net/ipv6/xfrm6_input.c
@@ -59,6 +59,7 @@ int xfrm6_transport_finish(struct sk_buff *skb, int async)

if (xo && (xo->flags & XFRM_GRO)) {
skb_mac_header_rebuild(skb);
+ skb_reset_transport_header(skb);
return -1;
}

diff --git a/net/ipv6/xfrm6_mode_transport.c b/net/ipv6/xfrm6_mode_transport.c
index 9ad07a91708e..3c29da5defe6 100644
--- a/net/ipv6/xfrm6_mode_transport.c
+++ b/net/ipv6/xfrm6_mode_transport.c
@@ -51,7 +51,6 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb)
static int xfrm6_transport_input(struct xfrm_state *x, struct sk_buff *skb)
{
int ihl = skb->data - skb_transport_header(skb);
- struct xfrm_offload *xo = xfrm_offload(skb);

if (skb->transport_header != skb->network_header) {
memmove(skb_transport_header(skb),
@@ -60,8 +59,7 @@ static int xfrm6_transport_input(struct xfrm_state *x, struct sk_buff *skb)
}
ipv6_hdr(skb)->payload_len = htons(skb->len + ihl -
sizeof(struct ipv6hdr));
- if (!xo || !(xo->flags & XFRM_GRO))
- skb_reset_transport_header(skb);
+ skb_reset_transport_header(skb);
return 0;
}

diff --git a/net/ipv6/xfrm6_output.c b/net/ipv6/xfrm6_output.c
index 5959ce9620eb..6a74080005cf 100644
--- a/net/ipv6/xfrm6_output.c
+++ b/net/ipv6/xfrm6_output.c
@@ -170,9 +170,11 @@ static int __xfrm6_output(struct net *net, struct sock *sk, struct sk_buff *skb)

if (toobig && xfrm6_local_dontfrag(skb)) {
xfrm6_local_rxpmtu(skb, mtu);
+ kfree_skb(skb);
return -EMSGSIZE;
} else if (!skb->ignore_df && toobig && skb->sk) {
xfrm_local_error(skb, mtu);
+ kfree_skb(skb);
return -EMSGSIZE;
}

diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index c0ac522b48a1..4ff89cb7c86f 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -734,6 +734,7 @@ void llc_sap_add_socket(struct llc_sap *sap, struct sock *sk)
llc_sk(sk)->sap = sap;

spin_lock_bh(&sap->sk_lock);
+ sock_set_flag(sk, SOCK_RCU_FREE);
sap->sk_count++;
sk_nulls_add_node_rcu(sk, laddr_hb);
hlist_add_head(&llc->dev_hash_node, dev_hb);
diff --git a/net/mac80211/mesh.h b/net/mac80211/mesh.h
index ee56f18cad3f..21526630bf65 100644
--- a/net/mac80211/mesh.h
+++ b/net/mac80211/mesh.h
@@ -217,7 +217,8 @@ void mesh_rmc_free(struct ieee80211_sub_if_data *sdata);
int mesh_rmc_init(struct ieee80211_sub_if_data *sdata);
void ieee80211s_init(void);
void ieee80211s_update_metric(struct ieee80211_local *local,
- struct sta_info *sta, struct sk_buff *skb);
+ struct sta_info *sta,
+ struct ieee80211_tx_status *st);
void ieee80211_mesh_init_sdata(struct ieee80211_sub_if_data *sdata);
void ieee80211_mesh_teardown_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_start_mesh(struct ieee80211_sub_if_data *sdata);
diff --git a/net/mac80211/mesh_hwmp.c b/net/mac80211/mesh_hwmp.c
index daf9db3c8f24..6950cd0bf594 100644
--- a/net/mac80211/mesh_hwmp.c
+++ b/net/mac80211/mesh_hwmp.c
@@ -295,15 +295,12 @@ int mesh_path_error_tx(struct ieee80211_sub_if_data *sdata,
}

void ieee80211s_update_metric(struct ieee80211_local *local,
- struct sta_info *sta, struct sk_buff *skb)
+ struct sta_info *sta,
+ struct ieee80211_tx_status *st)
{
- struct ieee80211_tx_info *txinfo = IEEE80211_SKB_CB(skb);
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+ struct ieee80211_tx_info *txinfo = st->info;
int failed;

- if (!ieee80211_is_data(hdr->frame_control))
- return;
-
failed = !(txinfo->flags & IEEE80211_TX_STAT_ACK);

/* moving average, scaled to 100.
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 9a6d7208bf4f..91d7c0cd1882 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -479,11 +479,6 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
if (!skb)
return;

- if (dropped) {
- dev_kfree_skb_any(skb);
- return;
- }
-
if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) {
u64 cookie = IEEE80211_SKB_CB(skb)->ack.cookie;
struct ieee80211_sub_if_data *sdata;
@@ -506,6 +501,8 @@ static void ieee80211_report_ack_skb(struct ieee80211_local *local,
}
rcu_read_unlock();

+ dev_kfree_skb_any(skb);
+ } else if (dropped) {
dev_kfree_skb_any(skb);
} else {
/* consumes skb */
@@ -811,7 +808,7 @@ static void __ieee80211_tx_status(struct ieee80211_hw *hw,

rate_control_tx_status(local, sband, status);
if (ieee80211_vif_is_mesh(&sta->sdata->vif))
- ieee80211s_update_metric(local, sta, skb);
+ ieee80211s_update_metric(local, sta, status);

if (!(info->flags & IEEE80211_TX_CTL_INJECTED) && acked)
ieee80211_frame_acked(sta, skb);
@@ -972,6 +969,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
}

rate_control_tx_status(local, sband, status);
+ if (ieee80211_vif_is_mesh(&sta->sdata->vif))
+ ieee80211s_update_metric(local, sta, status);
}

if (acked || noack_success) {
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 5cd5e6e5834e..6c647f425e05 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -16,6 +16,7 @@
#include "ieee80211_i.h"
#include "driver-ops.h"
#include "rate.h"
+#include "wme.h"

/* give usermode some time for retries in setting up the TDLS session */
#define TDLS_PEER_SETUP_TIMEOUT (15 * HZ)
@@ -1010,14 +1011,13 @@ ieee80211_tdls_prep_mgmt_packet(struct wiphy *wiphy, struct net_device *dev,
switch (action_code) {
case WLAN_TDLS_SETUP_REQUEST:
case WLAN_TDLS_SETUP_RESPONSE:
- skb_set_queue_mapping(skb, IEEE80211_AC_BK);
- skb->priority = 2;
+ skb->priority = 256 + 2;
break;
default:
- skb_set_queue_mapping(skb, IEEE80211_AC_VI);
- skb->priority = 5;
+ skb->priority = 256 + 5;
break;
}
+ skb_set_queue_mapping(skb, ieee80211_select_queue(sdata, skb));

/*
* Set the WLAN_TDLS_TEARDOWN flag to indicate a teardown in progress.
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 9b3b069e418a..361f2f6cc839 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1886,7 +1886,7 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
sdata->vif.hw_queue[skb_get_queue_mapping(skb)];

if (invoke_tx_handlers_early(&tx))
- return false;
+ return true;

if (ieee80211_queue_skb(local, sdata, tx.sta, tx.skb))
return true;
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 8e67910185a0..1004fb5930de 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -1239,8 +1239,8 @@ static const struct nla_policy tcp_nla_policy[CTA_PROTOINFO_TCP_MAX+1] = {
#define TCP_NLATTR_SIZE ( \
NLA_ALIGN(NLA_HDRLEN + 1) + \
NLA_ALIGN(NLA_HDRLEN + 1) + \
- NLA_ALIGN(NLA_HDRLEN + sizeof(sizeof(struct nf_ct_tcp_flags))) + \
- NLA_ALIGN(NLA_HDRLEN + sizeof(sizeof(struct nf_ct_tcp_flags))))
+ NLA_ALIGN(NLA_HDRLEN + sizeof(struct nf_ct_tcp_flags)) + \
+ NLA_ALIGN(NLA_HDRLEN + sizeof(struct nf_ct_tcp_flags)))

static int nlattr_to_tcp(struct nlattr *cda[], struct nf_conn *ct)
{
diff --git a/net/netfilter/nft_set_rbtree.c b/net/netfilter/nft_set_rbtree.c
index 9873d734b494..8ad78b82c8e2 100644
--- a/net/netfilter/nft_set_rbtree.c
+++ b/net/netfilter/nft_set_rbtree.c
@@ -355,12 +355,11 @@ static void nft_rbtree_walk(const struct nft_ctx *ctx,

static void nft_rbtree_gc(struct work_struct *work)
{
+ struct nft_rbtree_elem *rbe, *rbe_end = NULL, *rbe_prev = NULL;
struct nft_set_gc_batch *gcb = NULL;
- struct rb_node *node, *prev = NULL;
- struct nft_rbtree_elem *rbe;
struct nft_rbtree *priv;
+ struct rb_node *node;
struct nft_set *set;
- int i;

priv = container_of(work, struct nft_rbtree, gc_work.work);
set = nft_set_container_of(priv);
@@ -371,7 +370,7 @@ static void nft_rbtree_gc(struct work_struct *work)
rbe = rb_entry(node, struct nft_rbtree_elem, node);

if (nft_rbtree_interval_end(rbe)) {
- prev = node;
+ rbe_end = rbe;
continue;
}
if (!nft_set_elem_expired(&rbe->ext))
@@ -379,29 +378,30 @@ static void nft_rbtree_gc(struct work_struct *work)
if (nft_set_elem_mark_busy(&rbe->ext))
continue;

+ if (rbe_prev) {
+ rb_erase(&rbe_prev->node, &priv->root);
+ rbe_prev = NULL;
+ }
gcb = nft_set_gc_batch_check(set, gcb, GFP_ATOMIC);
if (!gcb)
break;

atomic_dec(&set->nelems);
nft_set_gc_batch_add(gcb, rbe);
+ rbe_prev = rbe;

- if (prev) {
- rbe = rb_entry(prev, struct nft_rbtree_elem, node);
+ if (rbe_end) {
atomic_dec(&set->nelems);
- nft_set_gc_batch_add(gcb, rbe);
- prev = NULL;
+ nft_set_gc_batch_add(gcb, rbe_end);
+ rb_erase(&rbe_end->node, &priv->root);
+ rbe_end = NULL;
}
node = rb_next(node);
if (!node)
break;
}
- if (gcb) {
- for (i = 0; i < gcb->head.cnt; i++) {
- rbe = gcb->elems[i];
- rb_erase(&rbe->node, &priv->root);
- }
- }
+ if (rbe_prev)
+ rb_erase(&rbe_prev->node, &priv->root);
write_seqcount_end(&priv->count);
write_unlock_bh(&priv->lock);

diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index 492ab0c36f7c..8b1ba43b1ece 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2990,7 +2990,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
* is already present */
if (mac_proto != MAC_PROTO_NONE)
return -EINVAL;
- mac_proto = MAC_PROTO_NONE;
+ mac_proto = MAC_PROTO_ETHERNET;
break;

case OVS_ACTION_ATTR_POP_ETH:
@@ -2998,7 +2998,7 @@ static int __ovs_nla_copy_actions(struct net *net, const struct nlattr *attr,
return -EINVAL;
if (vlan_tci & htons(VLAN_TAG_PRESENT))
return -EINVAL;
- mac_proto = MAC_PROTO_ETHERNET;
+ mac_proto = MAC_PROTO_NONE;
break;

case OVS_ACTION_ATTR_PUSH_NSH:
diff --git a/net/rds/send.c b/net/rds/send.c
index 59f17a2335f4..0e54ca0f4e9e 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -1006,7 +1006,8 @@ static int rds_cmsg_send(struct rds_sock *rs, struct rds_message *rm,
return ret;
}

-static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn)
+static int rds_send_mprds_hash(struct rds_sock *rs,
+ struct rds_connection *conn, int nonblock)
{
int hash;

@@ -1022,10 +1023,16 @@ static int rds_send_mprds_hash(struct rds_sock *rs, struct rds_connection *conn)
* used. But if we are interrupted, we have to use the zero
* c_path in case the connection ends up being non-MP capable.
*/
- if (conn->c_npaths == 0)
+ if (conn->c_npaths == 0) {
+ /* Cannot wait for the connection be made, so just use
+ * the base c_path.
+ */
+ if (nonblock)
+ return 0;
if (wait_event_interruptible(conn->c_hs_waitq,
conn->c_npaths != 0))
hash = 0;
+ }
if (conn->c_npaths == 1)
hash = 0;
}
@@ -1170,7 +1177,7 @@ int rds_sendmsg(struct socket *sock, struct msghdr *msg, size_t payload_len)
}

if (conn->c_trans->t_mp_capable)
- cpath = &conn->c_path[rds_send_mprds_hash(rs, conn)];
+ cpath = &conn->c_path[rds_send_mprds_hash(rs, conn, nonblock)];
else
cpath = &conn->c_path[0];

diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 707630ab4713..330372c04940 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -293,7 +293,6 @@ struct rxrpc_peer {
struct hlist_node hash_link;
struct rxrpc_local *local;
struct hlist_head error_targets; /* targets for net error distribution */
- struct work_struct error_distributor;
struct rb_root service_conns; /* Service connections */
struct list_head keepalive_link; /* Link in net->peer_keepalive[] */
time64_t last_tx_at; /* Last time packet sent here */
@@ -304,8 +303,6 @@ struct rxrpc_peer {
unsigned int maxdata; /* data size (MTU - hdrsize) */
unsigned short hdrsize; /* header size (IP + UDP + RxRPC) */
int debug_id; /* debug ID for printks */
- int error_report; /* Net (+0) or local (+1000000) to distribute */
-#define RXRPC_LOCAL_ERROR_OFFSET 1000000
struct sockaddr_rxrpc srx; /* remote address */

/* calculated RTT cache */
@@ -449,8 +446,7 @@ struct rxrpc_connection {
spinlock_t state_lock; /* state-change lock */
enum rxrpc_conn_cache_state cache_state;
enum rxrpc_conn_proto_state state; /* current state of connection */
- u32 local_abort; /* local abort code */
- u32 remote_abort; /* remote abort code */
+ u32 abort_code; /* Abort code of connection abort */
int debug_id; /* debug ID for printks */
atomic_t serial; /* packet serial number counter */
unsigned int hi_serial; /* highest serial number received */
@@ -460,8 +456,19 @@ struct rxrpc_connection {
u8 security_size; /* security header size */
u8 security_ix; /* security type */
u8 out_clientflag; /* RXRPC_CLIENT_INITIATED if we are client */
+ short error; /* Local error code */
};

+static inline bool rxrpc_to_server(const struct rxrpc_skb_priv *sp)
+{
+ return sp->hdr.flags & RXRPC_CLIENT_INITIATED;
+}
+
+static inline bool rxrpc_to_client(const struct rxrpc_skb_priv *sp)
+{
+ return !rxrpc_to_server(sp);
+}
+
/*
* Flags in call->flags.
*/
@@ -1029,7 +1036,6 @@ void rxrpc_send_keepalive(struct rxrpc_peer *);
* peer_event.c
*/
void rxrpc_error_report(struct sock *);
-void rxrpc_peer_error_distributor(struct work_struct *);
void rxrpc_peer_add_rtt(struct rxrpc_call *, enum rxrpc_rtt_rx_trace,
rxrpc_serial_t, rxrpc_serial_t, ktime_t, ktime_t);
void rxrpc_peer_keepalive_worker(struct work_struct *);
@@ -1048,7 +1054,6 @@ void rxrpc_destroy_all_peers(struct rxrpc_net *);
struct rxrpc_peer *rxrpc_get_peer(struct rxrpc_peer *);
struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *);
void rxrpc_put_peer(struct rxrpc_peer *);
-void __rxrpc_queue_peer_error(struct rxrpc_peer *);

/*
* proc.c
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 9d1e298b784c..0e378d73e856 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -422,11 +422,11 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local,

case RXRPC_CONN_REMOTELY_ABORTED:
rxrpc_set_call_completion(call, RXRPC_CALL_REMOTELY_ABORTED,
- conn->remote_abort, -ECONNABORTED);
+ conn->abort_code, conn->error);
break;
case RXRPC_CONN_LOCALLY_ABORTED:
rxrpc_abort_call("CON", call, sp->hdr.seq,
- conn->local_abort, -ECONNABORTED);
+ conn->abort_code, conn->error);
break;
default:
BUG();
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index f6734d8cb01a..ed69257203c2 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -400,7 +400,7 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
rcu_assign_pointer(conn->channels[chan].call, call);

spin_lock(&conn->params.peer->lock);
- hlist_add_head(&call->error_link, &conn->params.peer->error_targets);
+ hlist_add_head_rcu(&call->error_link, &conn->params.peer->error_targets);
spin_unlock(&conn->params.peer->lock);

_net("CALL incoming %d on CONN %d", call->debug_id, call->conn->debug_id);
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index 5736f643c516..0be19132202b 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -709,8 +709,8 @@ int rxrpc_connect_call(struct rxrpc_call *call,
}

spin_lock_bh(&call->conn->params.peer->lock);
- hlist_add_head(&call->error_link,
- &call->conn->params.peer->error_targets);
+ hlist_add_head_rcu(&call->error_link,
+ &call->conn->params.peer->error_targets);
spin_unlock_bh(&call->conn->params.peer->lock);

out:
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 3fde001fcc39..5e7c8239e703 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -126,7 +126,7 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,

switch (chan->last_type) {
case RXRPC_PACKET_TYPE_ABORT:
- _proto("Tx ABORT %%%u { %d } [re]", serial, conn->local_abort);
+ _proto("Tx ABORT %%%u { %d } [re]", serial, conn->abort_code);
break;
case RXRPC_PACKET_TYPE_ACK:
trace_rxrpc_tx_ack(NULL, serial, chan->last_seq, 0,
@@ -148,13 +148,12 @@ static void rxrpc_conn_retransmit_call(struct rxrpc_connection *conn,
* pass a connection-level abort onto all calls on that connection
*/
static void rxrpc_abort_calls(struct rxrpc_connection *conn,
- enum rxrpc_call_completion compl,
- u32 abort_code, int error)
+ enum rxrpc_call_completion compl)
{
struct rxrpc_call *call;
int i;

- _enter("{%d},%x", conn->debug_id, abort_code);
+ _enter("{%d},%x", conn->debug_id, conn->abort_code);

spin_lock(&conn->channel_lock);

@@ -167,9 +166,11 @@ static void rxrpc_abort_calls(struct rxrpc_connection *conn,
trace_rxrpc_abort(call->debug_id,
"CON", call->cid,
call->call_id, 0,
- abort_code, error);
+ conn->abort_code,
+ conn->error);
if (rxrpc_set_call_completion(call, compl,
- abort_code, error))
+ conn->abort_code,
+ conn->error))
rxrpc_notify_socket(call);
}
}
@@ -202,10 +203,12 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
return 0;
}

+ conn->error = error;
+ conn->abort_code = abort_code;
conn->state = RXRPC_CONN_LOCALLY_ABORTED;
spin_unlock_bh(&conn->state_lock);

- rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED, abort_code, error);
+ rxrpc_abort_calls(conn, RXRPC_CALL_LOCALLY_ABORTED);

msg.msg_name = &conn->params.peer->srx.transport;
msg.msg_namelen = conn->params.peer->srx.transport_len;
@@ -224,7 +227,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,
whdr._rsvd = 0;
whdr.serviceId = htons(conn->service_id);

- word = htonl(conn->local_abort);
+ word = htonl(conn->abort_code);

iov[0].iov_base = &whdr;
iov[0].iov_len = sizeof(whdr);
@@ -235,7 +238,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn,

serial = atomic_inc_return(&conn->serial);
whdr.serial = htonl(serial);
- _proto("Tx CONN ABORT %%%u { %d }", serial, conn->local_abort);
+ _proto("Tx CONN ABORT %%%u { %d }", serial, conn->abort_code);

ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len);
if (ret < 0) {
@@ -308,9 +311,10 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
abort_code = ntohl(wtmp);
_proto("Rx ABORT %%%u { ac=%d }", sp->hdr.serial, abort_code);

+ conn->error = -ECONNABORTED;
+ conn->abort_code = abort_code;
conn->state = RXRPC_CONN_REMOTELY_ABORTED;
- rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED,
- abort_code, -ECONNABORTED);
+ rxrpc_abort_calls(conn, RXRPC_CALL_REMOTELY_ABORTED);
return -ECONNABORTED;

case RXRPC_PACKET_TYPE_CHALLENGE:
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index 4c77a78a252a..e0d6d0fb7426 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -99,7 +99,7 @@ struct rxrpc_connection *rxrpc_find_connection_rcu(struct rxrpc_local *local,
k.epoch = sp->hdr.epoch;
k.cid = sp->hdr.cid & RXRPC_CIDMASK;

- if (sp->hdr.flags & RXRPC_CLIENT_INITIATED) {
+ if (rxrpc_to_server(sp)) {
/* We need to look up service connections by the full protocol
* parameter set. We look up the peer first as an intermediate
* step and then the connection from the peer's tree.
@@ -214,7 +214,7 @@ 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);
+ hlist_del_rcu(&call->error_link);
spin_unlock_bh(&conn->params.peer->lock);

if (rxrpc_is_client_call(call))
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index 608d078a4981..a81240845224 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -216,10 +216,11 @@ static void rxrpc_send_ping(struct rxrpc_call *call, struct sk_buff *skb,
/*
* Apply a hard ACK by advancing the Tx window.
*/
-static void rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
+static bool rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
struct rxrpc_ack_summary *summary)
{
struct sk_buff *skb, *list = NULL;
+ bool rot_last = false;
int ix;
u8 annotation;

@@ -243,15 +244,17 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
skb->next = list;
list = skb;

- if (annotation & RXRPC_TX_ANNO_LAST)
+ if (annotation & RXRPC_TX_ANNO_LAST) {
set_bit(RXRPC_CALL_TX_LAST, &call->flags);
+ rot_last = true;
+ }
if ((annotation & RXRPC_TX_ANNO_MASK) != RXRPC_TX_ANNO_ACK)
summary->nr_rot_new_acks++;
}

spin_unlock(&call->lock);

- trace_rxrpc_transmit(call, (test_bit(RXRPC_CALL_TX_LAST, &call->flags) ?
+ trace_rxrpc_transmit(call, (rot_last ?
rxrpc_transmit_rotate_last :
rxrpc_transmit_rotate));
wake_up(&call->waitq);
@@ -262,6 +265,8 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
skb->next = NULL;
rxrpc_free_skb(skb, rxrpc_skb_tx_freed);
}
+
+ return rot_last;
}

/*
@@ -273,23 +278,26 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, rxrpc_seq_t to,
static bool rxrpc_end_tx_phase(struct rxrpc_call *call, bool reply_begun,
const char *abort_why)
{
+ unsigned int state;

ASSERT(test_bit(RXRPC_CALL_TX_LAST, &call->flags));

write_lock(&call->state_lock);

- switch (call->state) {
+ state = call->state;
+ switch (state) {
case RXRPC_CALL_CLIENT_SEND_REQUEST:
case RXRPC_CALL_CLIENT_AWAIT_REPLY:
if (reply_begun)
- call->state = RXRPC_CALL_CLIENT_RECV_REPLY;
+ call->state = state = RXRPC_CALL_CLIENT_RECV_REPLY;
else
- call->state = RXRPC_CALL_CLIENT_AWAIT_REPLY;
+ call->state = state = RXRPC_CALL_CLIENT_AWAIT_REPLY;
break;

case RXRPC_CALL_SERVER_AWAIT_ACK:
__rxrpc_call_completed(call);
rxrpc_notify_socket(call);
+ state = call->state;
break;

default:
@@ -297,11 +305,10 @@ static bool rxrpc_end_tx_phase(struct rxrpc_call *call, bool reply_begun,
}

write_unlock(&call->state_lock);
- if (call->state == RXRPC_CALL_CLIENT_AWAIT_REPLY) {
+ if (state == RXRPC_CALL_CLIENT_AWAIT_REPLY)
trace_rxrpc_transmit(call, rxrpc_transmit_await_reply);
- } else {
+ else
trace_rxrpc_transmit(call, rxrpc_transmit_end);
- }
_leave(" = ok");
return true;

@@ -332,11 +339,11 @@ static bool rxrpc_receiving_reply(struct rxrpc_call *call)
trace_rxrpc_timer(call, rxrpc_timer_init_for_reply, now);
}

- if (!test_bit(RXRPC_CALL_TX_LAST, &call->flags))
- rxrpc_rotate_tx_window(call, top, &summary);
if (!test_bit(RXRPC_CALL_TX_LAST, &call->flags)) {
- rxrpc_proto_abort("TXL", call, top);
- return false;
+ if (!rxrpc_rotate_tx_window(call, top, &summary)) {
+ rxrpc_proto_abort("TXL", call, top);
+ return false;
+ }
}
if (!rxrpc_end_tx_phase(call, true, "ETD"))
return false;
@@ -616,13 +623,14 @@ static void rxrpc_input_requested_ack(struct rxrpc_call *call,
if (!skb)
continue;

+ sent_at = skb->tstamp;
+ smp_rmb(); /* Read timestamp before serial. */
sp = rxrpc_skb(skb);
if (sp->hdr.serial != orig_serial)
continue;
- smp_rmb();
- sent_at = skb->tstamp;
goto found;
}
+
return;

found:
@@ -854,6 +862,16 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
rxrpc_propose_ack_respond_to_ack);
}

+ /* Discard any out-of-order or duplicate ACKs. */
+ if (before_eq(sp->hdr.serial, call->acks_latest)) {
+ _debug("discard ACK %d <= %d",
+ sp->hdr.serial, call->acks_latest);
+ return;
+ }
+ call->acks_latest_ts = skb->tstamp;
+ call->acks_latest = sp->hdr.serial;
+
+ /* Parse rwind and mtu sizes if provided. */
ioffset = offset + nr_acks + 3;
if (skb->len >= ioffset + sizeof(buf.info)) {
if (skb_copy_bits(skb, ioffset, &buf.info, sizeof(buf.info)) < 0)
@@ -875,23 +893,18 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
return;
}

- /* Discard any out-of-order or duplicate ACKs. */
- if (before_eq(sp->hdr.serial, call->acks_latest)) {
- _debug("discard ACK %d <= %d",
- sp->hdr.serial, call->acks_latest);
- return;
- }
- call->acks_latest_ts = skb->tstamp;
- call->acks_latest = sp->hdr.serial;
-
if (before(hard_ack, call->tx_hard_ack) ||
after(hard_ack, call->tx_top))
return rxrpc_proto_abort("AKW", call, 0);
if (nr_acks > call->tx_top - hard_ack)
return rxrpc_proto_abort("AKN", call, 0);

- if (after(hard_ack, call->tx_hard_ack))
- rxrpc_rotate_tx_window(call, hard_ack, &summary);
+ if (after(hard_ack, call->tx_hard_ack)) {
+ if (rxrpc_rotate_tx_window(call, hard_ack, &summary)) {
+ rxrpc_end_tx_phase(call, false, "ETA");
+ return;
+ }
+ }

if (nr_acks > 0) {
if (skb_copy_bits(skb, offset, buf.acks, nr_acks) < 0)
@@ -900,11 +913,6 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb,
&summary);
}

- if (test_bit(RXRPC_CALL_TX_LAST, &call->flags)) {
- rxrpc_end_tx_phase(call, false, "ETA");
- return;
- }
-
if (call->rxtx_annotations[call->tx_top & RXRPC_RXTX_BUFF_MASK] &
RXRPC_TX_ANNO_LAST &&
summary.nr_acks == call->tx_top - hard_ack &&
@@ -926,8 +934,7 @@ static void rxrpc_input_ackall(struct rxrpc_call *call, struct sk_buff *skb)

_proto("Rx ACKALL %%%u", sp->hdr.serial);

- rxrpc_rotate_tx_window(call, call->tx_top, &summary);
- if (test_bit(RXRPC_CALL_TX_LAST, &call->flags))
+ if (rxrpc_rotate_tx_window(call, call->tx_top, &summary))
rxrpc_end_tx_phase(call, false, "ETL");
}

@@ -1137,6 +1144,9 @@ void rxrpc_data_ready(struct sock *udp_sk)
return;
}

+ if (skb->tstamp == 0)
+ skb->tstamp = ktime_get_real();
+
rxrpc_new_skb(skb, rxrpc_skb_rx_received);

_net("recv skb %p", skb);
@@ -1171,10 +1181,6 @@ void rxrpc_data_ready(struct sock *udp_sk)

trace_rxrpc_rx_packet(sp);

- _net("Rx RxRPC %s ep=%x call=%x:%x",
- sp->hdr.flags & RXRPC_CLIENT_INITIATED ? "ToServer" : "ToClient",
- sp->hdr.epoch, sp->hdr.cid, sp->hdr.callNumber);
-
if (sp->hdr.type >= RXRPC_N_PACKET_TYPES ||
!((RXRPC_SUPPORTED_PACKET_TYPES >> sp->hdr.type) & 1)) {
_proto("Rx Bad Packet Type %u", sp->hdr.type);
@@ -1183,13 +1189,13 @@ void rxrpc_data_ready(struct sock *udp_sk)

switch (sp->hdr.type) {
case RXRPC_PACKET_TYPE_VERSION:
- if (!(sp->hdr.flags & RXRPC_CLIENT_INITIATED))
+ if (rxrpc_to_client(sp))
goto discard;
rxrpc_post_packet_to_local(local, skb);
goto out;

case RXRPC_PACKET_TYPE_BUSY:
- if (sp->hdr.flags & RXRPC_CLIENT_INITIATED)
+ if (rxrpc_to_server(sp))
goto discard;
/* Fall through */

@@ -1269,7 +1275,7 @@ void rxrpc_data_ready(struct sock *udp_sk)
call = rcu_dereference(chan->call);

if (sp->hdr.callNumber > chan->call_id) {
- if (!(sp->hdr.flags & RXRPC_CLIENT_INITIATED)) {
+ if (rxrpc_to_client(sp)) {
rcu_read_unlock();
goto reject_packet;
}
@@ -1292,7 +1298,7 @@ void rxrpc_data_ready(struct sock *udp_sk)
}

if (!call || atomic_read(&call->usage) == 0) {
- if (!(sp->hdr.type & RXRPC_CLIENT_INITIATED) ||
+ if (rxrpc_to_client(sp) ||
sp->hdr.callNumber == 0 ||
sp->hdr.type != RXRPC_PACKET_TYPE_DATA)
goto bad_message_unlock;
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index b493e6b62740..386dc1f20c73 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -135,10 +135,10 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
}

switch (local->srx.transport.family) {
- case AF_INET:
- /* we want to receive ICMP errors */
+ case AF_INET6:
+ /* we want to receive ICMPv6 errors */
opt = 1;
- ret = kernel_setsockopt(local->socket, SOL_IP, IP_RECVERR,
+ ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_RECVERR,
(char *) &opt, sizeof(opt));
if (ret < 0) {
_debug("setsockopt failed");
@@ -146,19 +146,22 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
}

/* we want to set the don't fragment bit */
- opt = IP_PMTUDISC_DO;
- ret = kernel_setsockopt(local->socket, SOL_IP, IP_MTU_DISCOVER,
+ opt = IPV6_PMTUDISC_DO;
+ ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_MTU_DISCOVER,
(char *) &opt, sizeof(opt));
if (ret < 0) {
_debug("setsockopt failed");
goto error;
}
- break;

- case AF_INET6:
+ /* Fall through and set IPv4 options too otherwise we don't get
+ * errors from IPv4 packets sent through the IPv6 socket.
+ */
+
+ case AF_INET:
/* we want to receive ICMP errors */
opt = 1;
- ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_RECVERR,
+ ret = kernel_setsockopt(local->socket, SOL_IP, IP_RECVERR,
(char *) &opt, sizeof(opt));
if (ret < 0) {
_debug("setsockopt failed");
@@ -166,13 +169,22 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
}

/* we want to set the don't fragment bit */
- opt = IPV6_PMTUDISC_DO;
- ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_MTU_DISCOVER,
+ opt = IP_PMTUDISC_DO;
+ ret = kernel_setsockopt(local->socket, SOL_IP, IP_MTU_DISCOVER,
(char *) &opt, sizeof(opt));
if (ret < 0) {
_debug("setsockopt failed");
goto error;
}
+
+ /* We want receive timestamps. */
+ opt = 1;
+ ret = kernel_setsockopt(local->socket, SOL_SOCKET, SO_TIMESTAMPNS,
+ (char *)&opt, sizeof(opt));
+ if (ret < 0) {
+ _debug("setsockopt failed");
+ goto error;
+ }
break;

default:
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 4774c8f5634d..6ac21bb2071d 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -124,7 +124,6 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping,
struct kvec iov[2];
rxrpc_serial_t serial;
rxrpc_seq_t hard_ack, top;
- ktime_t now;
size_t len, n;
int ret;
u8 reason;
@@ -196,9 +195,7 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping,
/* We need to stick a time in before we send the packet in case
* the reply gets back before kernel_sendmsg() completes - but
* asking UDP to send the packet can take a relatively long
- * time, so we update the time after, on the assumption that
- * the packet transmission is more likely to happen towards the
- * end of the kernel_sendmsg() call.
+ * time.
*/
call->ping_time = ktime_get_real();
set_bit(RXRPC_CALL_PINGING, &call->flags);
@@ -206,9 +203,6 @@ int rxrpc_send_ack_packet(struct rxrpc_call *call, bool ping,
}

ret = kernel_sendmsg(conn->params.local->socket, &msg, iov, 2, len);
- now = ktime_get_real();
- if (ping)
- call->ping_time = now;
conn->params.peer->last_tx_at = ktime_get_seconds();
if (ret < 0)
trace_rxrpc_tx_fail(call->debug_id, serial, ret,
@@ -357,8 +351,14 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,

/* If our RTT cache needs working on, request an ACK. Also request
* ACKs if a DATA packet appears to have been lost.
+ *
+ * However, we mustn't request an ACK on the last reply packet of a
+ * service call, lest OpenAFS incorrectly send us an ACK with some
+ * soft-ACKs in it and then never follow up with a proper hard ACK.
*/
- if (!(sp->hdr.flags & RXRPC_LAST_PACKET) &&
+ if ((!(sp->hdr.flags & RXRPC_LAST_PACKET) ||
+ rxrpc_to_server(sp)
+ ) &&
(test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events) ||
retrans ||
call->cong_mode == RXRPC_CALL_SLOW_START ||
@@ -384,6 +384,11 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
goto send_fragmentable;

down_read(&conn->params.local->defrag_sem);
+
+ sp->hdr.serial = serial;
+ smp_wmb(); /* Set serial before timestamp */
+ skb->tstamp = ktime_get_real();
+
/* send the packet by UDP
* - returns -EMSGSIZE if UDP would have to fragment the packet
* to go out of the interface
@@ -404,12 +409,8 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
trace_rxrpc_tx_data(call, sp->hdr.seq, serial, whdr.flags,
retrans, lost);
if (ret >= 0) {
- ktime_t now = ktime_get_real();
- skb->tstamp = now;
- smp_wmb();
- sp->hdr.serial = serial;
if (whdr.flags & RXRPC_REQUEST_ACK) {
- call->peer->rtt_last_req = now;
+ call->peer->rtt_last_req = skb->tstamp;
trace_rxrpc_rtt_tx(call, rxrpc_rtt_tx_data, serial);
if (call->peer->rtt_usage > 1) {
unsigned long nowj = jiffies, ack_lost_at;
@@ -448,6 +449,10 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,

down_write(&conn->params.local->defrag_sem);

+ sp->hdr.serial = serial;
+ smp_wmb(); /* Set serial before timestamp */
+ skb->tstamp = ktime_get_real();
+
switch (conn->params.local->srx.transport.family) {
case AF_INET:
opt = IP_PMTUDISC_DONT;
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 4f9da2f51c69..f3e6fc670da2 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -23,6 +23,8 @@
#include "ar-internal.h"

static void rxrpc_store_error(struct rxrpc_peer *, struct sock_exterr_skb *);
+static void rxrpc_distribute_error(struct rxrpc_peer *, int,
+ enum rxrpc_call_completion);

/*
* Find the peer associated with an ICMP packet.
@@ -194,8 +196,6 @@ void rxrpc_error_report(struct sock *sk)
rcu_read_unlock();
rxrpc_free_skb(skb, rxrpc_skb_rx_freed);

- /* The ref we obtained is passed off to the work item */
- __rxrpc_queue_peer_error(peer);
_leave("");
}

@@ -205,6 +205,7 @@ void rxrpc_error_report(struct sock *sk)
static void rxrpc_store_error(struct rxrpc_peer *peer,
struct sock_exterr_skb *serr)
{
+ enum rxrpc_call_completion compl = RXRPC_CALL_NETWORK_ERROR;
struct sock_extended_err *ee;
int err;

@@ -255,7 +256,7 @@ static void rxrpc_store_error(struct rxrpc_peer *peer,
case SO_EE_ORIGIN_NONE:
case SO_EE_ORIGIN_LOCAL:
_proto("Rx Received local error { error=%d }", err);
- err += RXRPC_LOCAL_ERROR_OFFSET;
+ compl = RXRPC_CALL_LOCAL_ERROR;
break;

case SO_EE_ORIGIN_ICMP6:
@@ -264,48 +265,23 @@ static void rxrpc_store_error(struct rxrpc_peer *peer,
break;
}

- peer->error_report = err;
+ rxrpc_distribute_error(peer, err, compl);
}

/*
- * Distribute an error that occurred on a peer
+ * Distribute an error that occurred on a peer.
*/
-void rxrpc_peer_error_distributor(struct work_struct *work)
+static void rxrpc_distribute_error(struct rxrpc_peer *peer, int error,
+ enum rxrpc_call_completion compl)
{
- struct rxrpc_peer *peer =
- container_of(work, struct rxrpc_peer, error_distributor);
struct rxrpc_call *call;
- enum rxrpc_call_completion compl;
- int error;
-
- _enter("");
-
- error = READ_ONCE(peer->error_report);
- if (error < RXRPC_LOCAL_ERROR_OFFSET) {
- compl = RXRPC_CALL_NETWORK_ERROR;
- } else {
- compl = RXRPC_CALL_LOCAL_ERROR;
- error -= RXRPC_LOCAL_ERROR_OFFSET;
- }

- _debug("ISSUE ERROR %s %d", rxrpc_call_completions[compl], error);
-
- spin_lock_bh(&peer->lock);
-
- while (!hlist_empty(&peer->error_targets)) {
- call = hlist_entry(peer->error_targets.first,
- struct rxrpc_call, error_link);
- hlist_del_init(&call->error_link);
+ hlist_for_each_entry_rcu(call, &peer->error_targets, error_link) {
rxrpc_see_call(call);
-
- if (rxrpc_set_call_completion(call, compl, 0, -error))
+ if (call->state < RXRPC_CALL_COMPLETE &&
+ rxrpc_set_call_completion(call, compl, 0, -error))
rxrpc_notify_socket(call);
}
-
- spin_unlock_bh(&peer->lock);
-
- rxrpc_put_peer(peer);
- _leave("");
}

/*
diff --git a/net/rxrpc/peer_object.c b/net/rxrpc/peer_object.c
index 24ec7cdcf332..ef4c2e8a35cc 100644
--- a/net/rxrpc/peer_object.c
+++ b/net/rxrpc/peer_object.c
@@ -222,8 +222,6 @@ struct rxrpc_peer *rxrpc_alloc_peer(struct rxrpc_local *local, gfp_t gfp)
atomic_set(&peer->usage, 1);
peer->local = local;
INIT_HLIST_HEAD(&peer->error_targets);
- INIT_WORK(&peer->error_distributor,
- &rxrpc_peer_error_distributor);
peer->service_conns = RB_ROOT;
seqlock_init(&peer->service_conn_lock);
spin_lock_init(&peer->lock);
@@ -415,21 +413,6 @@ struct rxrpc_peer *rxrpc_get_peer_maybe(struct rxrpc_peer *peer)
return peer;
}

-/*
- * Queue a peer record. This passes the caller's ref to the workqueue.
- */
-void __rxrpc_queue_peer_error(struct rxrpc_peer *peer)
-{
- const void *here = __builtin_return_address(0);
- int n;
-
- n = atomic_read(&peer->usage);
- if (rxrpc_queue_work(&peer->error_distributor))
- trace_rxrpc_peer(peer, rxrpc_peer_queued_error, n, here);
- else
- rxrpc_put_peer(peer);
-}
-
/*
* Discard a peer record.
*/
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index f74513a7c7a8..c855fd045a3c 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -31,6 +31,8 @@
#include <net/pkt_sched.h>
#include <net/pkt_cls.h>

+extern const struct nla_policy rtm_tca_policy[TCA_MAX + 1];
+
/* The list of all installed classifier types */
static LIST_HEAD(tcf_proto_base);

@@ -1083,7 +1085,7 @@ static int tc_new_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
replay:
tp_created = 0;

- err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack);
if (err < 0)
return err;

@@ -1226,7 +1228,7 @@ static int tc_del_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
if (!netlink_ns_capable(skb, net->user_ns, CAP_NET_ADMIN))
return -EPERM;

- err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack);
if (err < 0)
return err;

@@ -1334,7 +1336,7 @@ static int tc_get_tfilter(struct sk_buff *skb, struct nlmsghdr *n,
void *fh = NULL;
int err;

- err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, NULL, extack);
+ err = nlmsg_parse(n, sizeof(*t), tca, TCA_MAX, rtm_tca_policy, extack);
if (err < 0)
return err;

@@ -1488,7 +1490,8 @@ static int tc_dump_tfilter(struct sk_buff *skb, struct netlink_callback *cb)
if (nlmsg_len(cb->nlh) < sizeof(*tcm))
return skb->len;

- err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, NULL, NULL);
+ err = nlmsg_parse(cb->nlh, sizeof(*tcm), tca, TCA_MAX, rtm_tca_policy,
+ NULL);
if (err)
return err;

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 99cc25aae503..57f71765febe 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -2052,7 +2052,8 @@ static int tc_dump_tclass_root(struct Qdisc *root, struct sk_buff *skb,

if (tcm->tcm_parent) {
q = qdisc_match_from_root(root, TC_H_MAJ(tcm->tcm_parent));
- if (q && tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0)
+ if (q && q != root &&
+ tc_dump_tclass_qdisc(q, skb, tcm, cb, t_p, s_t) < 0)
return -1;
return 0;
}
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index cbe4831f46f4..4a042abf844c 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -413,7 +413,7 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt,
if (tb[TCA_GRED_PARMS] == NULL && tb[TCA_GRED_STAB] == NULL) {
if (tb[TCA_GRED_LIMIT] != NULL)
sch->limit = nla_get_u32(tb[TCA_GRED_LIMIT]);
- return gred_change_table_def(sch, opt);
+ return gred_change_table_def(sch, tb[TCA_GRED_DPS]);
}

if (tb[TCA_GRED_PARMS] == NULL ||
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 50ee07cd20c4..9d903b870790 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -270,11 +270,10 @@ struct sctp_association *sctp_id2assoc(struct sock *sk, sctp_assoc_t id)

spin_lock_bh(&sctp_assocs_id_lock);
asoc = (struct sctp_association *)idr_find(&sctp_assocs_id, (int)id);
+ if (asoc && (asoc->base.sk != sk || asoc->base.dead))
+ asoc = NULL;
spin_unlock_bh(&sctp_assocs_id_lock);

- if (!asoc || (asoc->base.sk != sk) || asoc->base.dead)
- return NULL;
-
return asoc;
}

@@ -1940,8 +1939,10 @@ static int sctp_sendmsg_to_asoc(struct sctp_association *asoc,
if (sp->strm_interleave) {
timeo = sock_sndtimeo(sk, 0);
err = sctp_wait_for_connect(asoc, &timeo);
- if (err)
+ if (err) {
+ err = -ESRCH;
goto err;
+ }
} else {
wait_connect = true;
}
diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index add82b0266f3..3be95f77ec7f 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -114,22 +114,17 @@ static void __smc_lgr_unregister_conn(struct smc_connection *conn)
sock_put(&smc->sk); /* sock_hold in smc_lgr_register_conn() */
}

-/* Unregister connection and trigger lgr freeing if applicable
+/* Unregister connection from lgr
*/
static void smc_lgr_unregister_conn(struct smc_connection *conn)
{
struct smc_link_group *lgr = conn->lgr;
- int reduced = 0;

write_lock_bh(&lgr->conns_lock);
if (conn->alert_token_local) {
- reduced = 1;
__smc_lgr_unregister_conn(conn);
}
write_unlock_bh(&lgr->conns_lock);
- if (!reduced || lgr->conns_num)
- return;
- smc_lgr_schedule_free_work(lgr);
}

static void smc_lgr_free_work(struct work_struct *work)
@@ -238,7 +233,8 @@ static int smc_lgr_create(struct smc_sock *smc,
return rc;
}

-static void smc_buf_unuse(struct smc_connection *conn)
+static void smc_buf_unuse(struct smc_connection *conn,
+ struct smc_link_group *lgr)
{
if (conn->sndbuf_desc)
conn->sndbuf_desc->used = 0;
@@ -248,8 +244,6 @@ static void smc_buf_unuse(struct smc_connection *conn)
conn->rmb_desc->used = 0;
} else {
/* buf registration failed, reuse not possible */
- struct smc_link_group *lgr = conn->lgr;
-
write_lock_bh(&lgr->rmbs_lock);
list_del(&conn->rmb_desc->list);
write_unlock_bh(&lgr->rmbs_lock);
@@ -262,11 +256,16 @@ static void smc_buf_unuse(struct smc_connection *conn)
/* remove a finished connection from its link group */
void smc_conn_free(struct smc_connection *conn)
{
- if (!conn->lgr)
+ struct smc_link_group *lgr = conn->lgr;
+
+ if (!lgr)
return;
smc_cdc_tx_dismiss_slots(conn);
- smc_lgr_unregister_conn(conn);
- smc_buf_unuse(conn);
+ smc_lgr_unregister_conn(conn); /* unsets conn->lgr */
+ smc_buf_unuse(conn, lgr); /* allow buffer reuse */
+
+ if (!lgr->conns_num)
+ smc_lgr_schedule_free_work(lgr);
}

static void smc_link_clear(struct smc_link *lnk)
diff --git a/net/socket.c b/net/socket.c
index d4187ac17d55..fcb18a7ed14b 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2887,9 +2887,14 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32)
copy_in_user(&rxnfc->fs.ring_cookie,
&compat_rxnfc->fs.ring_cookie,
(void __user *)(&rxnfc->fs.location + 1) -
- (void __user *)&rxnfc->fs.ring_cookie) ||
- copy_in_user(&rxnfc->rule_cnt, &compat_rxnfc->rule_cnt,
- sizeof(rxnfc->rule_cnt)))
+ (void __user *)&rxnfc->fs.ring_cookie))
+ return -EFAULT;
+ if (ethcmd == ETHTOOL_GRXCLSRLALL) {
+ if (put_user(rule_cnt, &rxnfc->rule_cnt))
+ return -EFAULT;
+ } else if (copy_in_user(&rxnfc->rule_cnt,
+ &compat_rxnfc->rule_cnt,
+ sizeof(rxnfc->rule_cnt)))
return -EFAULT;
}

diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
index 51b4b96f89db..3cfeb9df64b0 100644
--- a/net/tipc/name_distr.c
+++ b/net/tipc/name_distr.c
@@ -115,7 +115,7 @@ struct sk_buff *tipc_named_withdraw(struct net *net, struct publication *publ)
struct sk_buff *buf;
struct distr_item *item;

- list_del(&publ->binding_node);
+ list_del_rcu(&publ->binding_node);

if (publ->scope == TIPC_NODE_SCOPE)
return NULL;
@@ -147,7 +147,7 @@ static void named_distribute(struct net *net, struct sk_buff_head *list,
ITEM_SIZE) * ITEM_SIZE;
u32 msg_rem = msg_dsz;

- list_for_each_entry(publ, pls, binding_node) {
+ list_for_each_entry_rcu(publ, pls, binding_node) {
/* Prepare next buffer: */
if (!skb) {
skb = named_prepare_buf(net, PUBLICATION, msg_rem,
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 9fab8e5a4a5b..994ddc7ec9b1 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -286,7 +286,7 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from,
int length, int *pages_used,
unsigned int *size_used,
struct scatterlist *to, int to_max_pages,
- bool charge, bool revert)
+ bool charge)
{
struct page *pages[MAX_SKB_FRAGS];

@@ -335,10 +335,10 @@ static int zerocopy_from_iter(struct sock *sk, struct iov_iter *from,
}

out:
+ if (rc)
+ iov_iter_revert(from, size - *size_used);
*size_used = size;
*pages_used = num_elem;
- if (revert)
- iov_iter_revert(from, size);

return rc;
}
@@ -440,7 +440,7 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)
&ctx->sg_plaintext_size,
ctx->sg_plaintext_data,
ARRAY_SIZE(ctx->sg_plaintext_data),
- true, false);
+ true);
if (ret)
goto fallback_to_reg_send;

@@ -453,8 +453,6 @@ int tls_sw_sendmsg(struct sock *sk, struct msghdr *msg, size_t size)

copied -= try_to_copy;
fallback_to_reg_send:
- iov_iter_revert(&msg->msg_iter,
- ctx->sg_plaintext_size - orig_size);
trim_sg(sk, ctx->sg_plaintext_data,
&ctx->sg_plaintext_num_elem,
&ctx->sg_plaintext_size,
@@ -828,7 +826,7 @@ int tls_sw_recvmsg(struct sock *sk,
err = zerocopy_from_iter(sk, &msg->msg_iter,
to_copy, &pages,
&chunk, &sgin[1],
- MAX_SKB_FRAGS, false, true);
+ MAX_SKB_FRAGS, false);
if (err < 0)
goto fallback_to_reg_recv;

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 733ccf867972..214f9ef79a64 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3699,6 +3699,7 @@ static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband,
return false;

/* check availability */
+ ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN);
if (sband->ht_cap.mcs.rx_mask[ridx] & rbit)
mcs[ridx] |= rbit;
else
@@ -10124,7 +10125,7 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
struct wireless_dev *wdev = dev->ieee80211_ptr;
s32 last, low, high;
u32 hyst;
- int i, n;
+ int i, n, low_index;
int err;

/* RSSI reporting disabled? */
@@ -10161,10 +10162,19 @@ static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev,
if (last < wdev->cqm_config->rssi_thresholds[i])
break;

- low = i > 0 ?
- (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN;
- high = i < n ?
- (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX;
+ low_index = i - 1;
+ if (low_index >= 0) {
+ low_index = array_index_nospec(low_index, n);
+ low = wdev->cqm_config->rssi_thresholds[low_index] - hyst;
+ } else {
+ low = S32_MIN;
+ }
+ if (i < n) {
+ i = array_index_nospec(i, n);
+ high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1;
+ } else {
+ high = S32_MAX;
+ }

return rdev_set_cqm_rssi_range_config(rdev, dev, low, high);
}
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 2f702adf2912..24cfa2776f50 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -2661,11 +2661,12 @@ static void reg_process_hint(struct regulatory_request *reg_request)
{
struct wiphy *wiphy = NULL;
enum reg_request_treatment treatment;
+ enum nl80211_reg_initiator initiator = reg_request->initiator;

if (reg_request->wiphy_idx != WIPHY_IDX_INVALID)
wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx);

- switch (reg_request->initiator) {
+ switch (initiator) {
case NL80211_REGDOM_SET_BY_CORE:
treatment = reg_process_hint_core(reg_request);
break;
@@ -2683,7 +2684,7 @@ static void reg_process_hint(struct regulatory_request *reg_request)
treatment = reg_process_hint_country_ie(wiphy, reg_request);
break;
default:
- WARN(1, "invalid initiator %d\n", reg_request->initiator);
+ WARN(1, "invalid initiator %d\n", initiator);
goto out_free;
}

@@ -2698,7 +2699,7 @@ static void reg_process_hint(struct regulatory_request *reg_request)
*/
if (treatment == REG_REQ_ALREADY_SET && wiphy &&
wiphy->regulatory_flags & REGULATORY_STRICT_REG) {
- wiphy_update_regulatory(wiphy, reg_request->initiator);
+ wiphy_update_regulatory(wiphy, initiator);
wiphy_all_share_dfs_chan_state(wiphy);
reg_check_channels();
}
@@ -2867,6 +2868,7 @@ static int regulatory_hint_core(const char *alpha2)
request->alpha2[0] = alpha2[0];
request->alpha2[1] = alpha2[1];
request->initiator = NL80211_REGDOM_SET_BY_CORE;
+ request->wiphy_idx = WIPHY_IDX_INVALID;

queue_regulatory_request(request);

diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index d36c3eb7b931..d0e7472dd9fd 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -1058,13 +1058,23 @@ cfg80211_bss_update(struct cfg80211_registered_device *rdev,
return NULL;
}

+/*
+ * Update RX channel information based on the available frame payload
+ * information. This is mainly for the 2.4 GHz band where frames can be received
+ * from neighboring channels and the Beacon frames use the DSSS Parameter Set
+ * element to indicate the current (transmitting) channel, but this might also
+ * be needed on other bands if RX frequency does not match with the actual
+ * operating channel of a BSS.
+ */
static struct ieee80211_channel *
cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
- struct ieee80211_channel *channel)
+ struct ieee80211_channel *channel,
+ enum nl80211_bss_scan_width scan_width)
{
const u8 *tmp;
u32 freq;
int channel_number = -1;
+ struct ieee80211_channel *alt_channel;

tmp = cfg80211_find_ie(WLAN_EID_DS_PARAMS, ie, ielen);
if (tmp && tmp[1] == 1) {
@@ -1078,16 +1088,45 @@ cfg80211_get_bss_channel(struct wiphy *wiphy, const u8 *ie, size_t ielen,
}
}

- if (channel_number < 0)
+ if (channel_number < 0) {
+ /* No channel information in frame payload */
return channel;
+ }

freq = ieee80211_channel_to_frequency(channel_number, channel->band);
- channel = ieee80211_get_channel(wiphy, freq);
- if (!channel)
- return NULL;
- if (channel->flags & IEEE80211_CHAN_DISABLED)
+ alt_channel = ieee80211_get_channel(wiphy, freq);
+ if (!alt_channel) {
+ if (channel->band == NL80211_BAND_2GHZ) {
+ /*
+ * Better not allow unexpected channels when that could
+ * be going beyond the 1-11 range (e.g., discovering
+ * BSS on channel 12 when radio is configured for
+ * channel 11.
+ */
+ return NULL;
+ }
+
+ /* No match for the payload channel number - ignore it */
+ return channel;
+ }
+
+ if (scan_width == NL80211_BSS_CHAN_WIDTH_10 ||
+ scan_width == NL80211_BSS_CHAN_WIDTH_5) {
+ /*
+ * Ignore channel number in 5 and 10 MHz channels where there
+ * may not be an n:1 or 1:n mapping between frequencies and
+ * channel numbers.
+ */
+ return channel;
+ }
+
+ /*
+ * Use the channel determined through the payload channel number
+ * instead of the RX channel reported by the driver.
+ */
+ if (alt_channel->flags & IEEE80211_CHAN_DISABLED)
return NULL;
- return channel;
+ return alt_channel;
}

/* Returned bss is reference counted and must be cleaned up appropriately. */
@@ -1112,7 +1151,8 @@ cfg80211_inform_bss_data(struct wiphy *wiphy,
(data->signal < 0 || data->signal > 100)))
return NULL;

- channel = cfg80211_get_bss_channel(wiphy, ie, ielen, data->chan);
+ channel = cfg80211_get_bss_channel(wiphy, ie, ielen, data->chan,
+ data->scan_width);
if (!channel)
return NULL;

@@ -1210,7 +1250,7 @@ cfg80211_inform_bss_frame_data(struct wiphy *wiphy,
return NULL;

channel = cfg80211_get_bss_channel(wiphy, mgmt->u.beacon.variable,
- ielen, data->chan);
+ ielen, data->chan, data->scan_width);
if (!channel)
return NULL;

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 352abca2605f..86f5afbd0a0c 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -453,6 +453,7 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR);
goto drop;
}
+ crypto_done = false;
} while (!err);

err = xfrm_rcv_cb(skb, family, x->type->proto, 0);
diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c
index 89b178a78dc7..36d15a38ce5e 100644
--- a/net/xfrm/xfrm_output.c
+++ b/net/xfrm/xfrm_output.c
@@ -101,6 +101,10 @@ static int xfrm_output_one(struct sk_buff *skb, int err)
spin_unlock_bh(&x->lock);

skb_dst_force(skb);
+ if (!skb_dst(skb)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTERROR);
+ goto error_nolock;
+ }

if (xfrm_offload(skb)) {
x->type_offload->encap(x, skb);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index a94983e03a8b..526e6814ed4b 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -2551,6 +2551,10 @@ int __xfrm_route_forward(struct sk_buff *skb, unsigned short family)
}

skb_dst_force(skb);
+ if (!skb_dst(skb)) {
+ XFRM_INC_STATS(net, LINUX_MIB_XFRMFWDHDRERROR);
+ return 0;
+ }

dst = xfrm_lookup(net, skb_dst(skb), &fl, NULL, XFRM_LOOKUP_QUEUE);
if (IS_ERR(dst)) {
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 33878e6e0d0a..d0672c400c2f 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -151,10 +151,16 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
err = -EINVAL;
switch (p->family) {
case AF_INET:
+ if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32)
+ goto out;
+
break;

case AF_INET6:
#if IS_ENABLED(CONFIG_IPV6)
+ if (p->sel.prefixlen_d > 128 || p->sel.prefixlen_s > 128)
+ goto out;
+
break;
#else
err = -EAFNOSUPPORT;
@@ -1359,10 +1365,16 @@ static int verify_newpolicy_info(struct xfrm_userpolicy_info *p)

switch (p->sel.family) {
case AF_INET:
+ if (p->sel.prefixlen_d > 32 || p->sel.prefixlen_s > 32)
+ return -EINVAL;
+
break;

case AF_INET6:
#if IS_ENABLED(CONFIG_IPV6)
+ if (p->sel.prefixlen_d > 128 || p->sel.prefixlen_s > 128)
+ return -EINVAL;
+
break;
#else
return -EAFNOSUPPORT;
@@ -1443,6 +1455,9 @@ static int validate_tmpl(int nr, struct xfrm_user_tmpl *ut, u16 family)
(ut[i].family != prev_family))
return -EINVAL;

+ if (ut[i].mode >= XFRM_MODE_MAX)
+ return -EINVAL;
+
prev_family = ut[i].family;

switch (ut[i].family) {
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 225454416ed5..7902a5681fc8 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -84,10 +84,10 @@ endif # has_clean
endif # MAKECMDGOALS

#
-# The clean target is not really parallel, don't print the jobs info:
+# Explicitly disable parallelism for the clean target.
#
clean:
- $(make)
+ $(make) -j1

#
# The build-test target is not really parallel, don't print the jobs info,
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 22dbb6612b41..b70cce40ca97 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2246,7 +2246,8 @@ static int append_inlines(struct callchain_cursor *cursor,
if (!symbol_conf.inline_name || !map || !sym)
return ret;

- addr = map__rip_2objdump(map, ip);
+ addr = map__map_ip(map, ip);
+ addr = map__rip_2objdump(map, addr);

inline_node = inlines__tree_find(&map->dso->inlined_nodes, addr);
if (!inline_node) {
@@ -2272,7 +2273,7 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
{
struct callchain_cursor *cursor = arg;
const char *srcline = NULL;
- u64 addr;
+ u64 addr = entry->ip;

if (symbol_conf.hide_unresolved && entry->sym == NULL)
return 0;
@@ -2284,7 +2285,8 @@ static int unwind_entry(struct unwind_entry *entry, void *arg)
* Convert entry->ip from a virtual address to an offset in
* its corresponding binary.
*/
- addr = map__map_ip(entry->map, entry->ip);
+ if (entry->map)
+ addr = map__map_ip(entry->map, entry->ip);

srcline = callchain_srcline(entry->map, entry->sym, addr);
return callchain_cursor_append(cursor, entry->ip,
diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py
index 001be4f9d3b9..a5f9e236cc71 100644
--- a/tools/perf/util/setup.py
+++ b/tools/perf/util/setup.py
@@ -27,7 +27,7 @@ class install_lib(_install_lib):

cflags = getenv('CFLAGS', '').split()
# switch off several checks (need to be at the end of cflags list)
-cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter' ]
+cflags += ['-fno-strict-aliasing', '-Wno-write-strings', '-Wno-unused-parameter', '-Wno-redundant-decls' ]
if cc != "clang":
cflags += ['-Wno-cast-function-type' ]

diff --git a/tools/testing/selftests/net/fib-onlink-tests.sh b/tools/testing/selftests/net/fib-onlink-tests.sh
index 3991ad1a368d..864f865eee55 100755
--- a/tools/testing/selftests/net/fib-onlink-tests.sh
+++ b/tools/testing/selftests/net/fib-onlink-tests.sh
@@ -167,8 +167,8 @@ setup()
# add vrf table
ip li add ${VRF} type vrf table ${VRF_TABLE}
ip li set ${VRF} up
- ip ro add table ${VRF_TABLE} unreachable default
- ip -6 ro add table ${VRF_TABLE} unreachable default
+ ip ro add table ${VRF_TABLE} unreachable default metric 8192
+ ip -6 ro add table ${VRF_TABLE} unreachable default metric 8192

# create test interfaces
ip li add ${NETIFS[p1]} type veth peer name ${NETIFS[p2]}
@@ -185,20 +185,20 @@ setup()
for n in 1 3 5 7; do
ip li set ${NETIFS[p${n}]} up
ip addr add ${V4ADDRS[p${n}]}/24 dev ${NETIFS[p${n}]}
- ip addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]}
+ ip addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]} nodad
done

# move peer interfaces to namespace and add addresses
for n in 2 4 6 8; do
ip li set ${NETIFS[p${n}]} netns ${PEER_NS} up
ip -netns ${PEER_NS} addr add ${V4ADDRS[p${n}]}/24 dev ${NETIFS[p${n}]}
- ip -netns ${PEER_NS} addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]}
+ ip -netns ${PEER_NS} addr add ${V6ADDRS[p${n}]}/64 dev ${NETIFS[p${n}]} nodad
done

- set +e
+ ip -6 ro add default via ${V6ADDRS[p3]/::[0-9]/::64}
+ ip -6 ro add table ${VRF_TABLE} default via ${V6ADDRS[p7]/::[0-9]/::64}

- # let DAD complete - assume default of 1 probe
- sleep 1
+ set +e
}

cleanup()
diff --git a/tools/testing/selftests/net/rtnetlink.sh b/tools/testing/selftests/net/rtnetlink.sh
index 0d7a44fa30af..8e509cbcb209 100755
--- a/tools/testing/selftests/net/rtnetlink.sh
+++ b/tools/testing/selftests/net/rtnetlink.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
#
# This test is for checking rtnetlink callpaths, and get as much coverage as possible.
#
diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh
index 850767befa47..99e537ab5ad9 100755
--- a/tools/testing/selftests/net/udpgso_bench.sh
+++ b/tools/testing/selftests/net/udpgso_bench.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Run a series of udpgso benchmarks