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This is the 5.4.32 stable release 

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Merge tag 'v5.4.32' into 5.4-1.0.0-imx

This is the 5.4.32 stable release
This commit is contained in:
Gary Bisson 2020-04-15 14:33:32 +02:00
parent 2c127148e2 bc844d58f6
commit 98da479f90
51 changed files with 479 additions and 278 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 4
SUBLEVEL = 31
SUBLEVEL = 32
EXTRAVERSION =
NAME = Kleptomaniac Octopus

2
arch/arm/mach-imx/Kconfig
View File

@ -587,7 +587,7 @@ config SOC_IMX7D
select PINCTRL_IMX7D
select SOC_IMX7D_CA7 if ARCH_MULTI_V7
select SOC_IMX7D_CM4 if ARM_SINGLE_ARMV7M
select ARM_ERRATA_814220
select ARM_ERRATA_814220 if ARCH_MULTI_V7
help
This enables support for Freescale i.MX7 Dual processor.

4
arch/s390/include/asm/lowcore.h
View File

@ -141,7 +141,9 @@ struct lowcore {
/* br %r1 trampoline */
__u16 br_r1_trampoline; /* 0x0400 */
__u8 pad_0x0402[0x0e00-0x0402]; /* 0x0402 */
__u32 return_lpswe; /* 0x0402 */
__u32 return_mcck_lpswe; /* 0x0406 */
__u8 pad_0x040a[0x0e00-0x040a]; /* 0x040a */
/*
* 0xe00 contains the address of the IPL Parameter Information

1
arch/s390/include/asm/processor.h
View File

@ -162,6 +162,7 @@ typedef struct thread_struct thread_struct;
#define INIT_THREAD { \
.ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
.fpu.regs = (void *) init_task.thread.fpu.fprs, \
.last_break = 1, \
}
/*

7
arch/s390/include/asm/setup.h
View File

@ -8,6 +8,7 @@
#include <linux/bits.h>
#include <uapi/asm/setup.h>
#include <linux/build_bug.h>
#define EP_OFFSET 0x10008
#define EP_STRING "S390EP"
@ -157,6 +158,12 @@ static inline unsigned long kaslr_offset(void)
return __kaslr_offset;
}
static inline u32 gen_lpswe(unsigned long addr)
{
BUILD_BUG_ON(addr > 0xfff);
return 0xb2b20000 | addr;
}
#else /* __ASSEMBLY__ */
#define IPL_DEVICE (IPL_DEVICE_OFFSET)

2
arch/s390/kernel/asm-offsets.c
View File

@ -125,6 +125,8 @@ int main(void)
OFFSET(__LC_EXT_DAMAGE_CODE, lowcore, external_damage_code);
OFFSET(__LC_MCCK_FAIL_STOR_ADDR, lowcore, failing_storage_address);
OFFSET(__LC_LAST_BREAK, lowcore, breaking_event_addr);
OFFSET(__LC_RETURN_LPSWE, lowcore, return_lpswe);
OFFSET(__LC_RETURN_MCCK_LPSWE, lowcore, return_mcck_lpswe);
OFFSET(__LC_RST_OLD_PSW, lowcore, restart_old_psw);
OFFSET(__LC_EXT_OLD_PSW, lowcore, external_old_psw);
OFFSET(__LC_SVC_OLD_PSW, lowcore, svc_old_psw);

65
arch/s390/kernel/entry.S
View File

@ -115,26 +115,29 @@ _LPP_OFFSET = __LC_LPP
.macro SWITCH_ASYNC savearea,timer
tmhh %r8,0x0001 # interrupting from user ?
jnz 1f
jnz 2f
lgr %r14,%r9
cghi %r14,__LC_RETURN_LPSWE
je 0f
slg %r14,BASED(.Lcritical_start)
clg %r14,BASED(.Lcritical_length)
jhe 0f
jhe 1f
0:
lghi %r11,\savearea # inside critical section, do cleanup
brasl %r14,cleanup_critical
tmhh %r8,0x0001 # retest problem state after cleanup
jnz 1f
0: lg %r14,__LC_ASYNC_STACK # are we already on the target stack?
jnz 2f
1: lg %r14,__LC_ASYNC_STACK # are we already on the target stack?
slgr %r14,%r15
srag %r14,%r14,STACK_SHIFT
jnz 2f
jnz 3f
CHECK_STACK \savearea
aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
j 3f
1: UPDATE_VTIME %r14,%r15,\timer
j 4f
2: UPDATE_VTIME %r14,%r15,\timer
BPENTER __TI_flags(%r12),_TIF_ISOLATE_BP
2: lg %r15,__LC_ASYNC_STACK # load async stack
3: la %r11,STACK_FRAME_OVERHEAD(%r15)
3: lg %r15,__LC_ASYNC_STACK # load async stack
4: la %r11,STACK_FRAME_OVERHEAD(%r15)
.endm
.macro UPDATE_VTIME w1,w2,enter_timer
@ -401,7 +404,7 @@ ENTRY(system_call)
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
lmg %r11,%r15,__PT_R11(%r11)
lpswe __LC_RETURN_PSW
b __LC_RETURN_LPSWE(%r0)
.Lsysc_done:
#
@ -608,43 +611,50 @@ ENTRY(pgm_check_handler)
BPOFF
stmg %r8,%r15,__LC_SAVE_AREA_SYNC
lg %r10,__LC_LAST_BREAK
lg %r12,__LC_CURRENT
srag %r11,%r10,12
jnz 0f
/* if __LC_LAST_BREAK is < 4096, it contains one of
* the lpswe addresses in lowcore. Set it to 1 (initial state)
* to prevent leaking that address to userspace.
*/
lghi %r10,1
0: lg %r12,__LC_CURRENT
lghi %r11,0
larl %r13,cleanup_critical
lmg %r8,%r9,__LC_PGM_OLD_PSW
tmhh %r8,0x0001 # test problem state bit
jnz 2f # -> fault in user space
jnz 3f # -> fault in user space
#if IS_ENABLED(CONFIG_KVM)
# cleanup critical section for program checks in sie64a
lgr %r14,%r9
slg %r14,BASED(.Lsie_critical_start)
clg %r14,BASED(.Lsie_critical_length)
jhe 0f
jhe 1f
lg %r14,__SF_SIE_CONTROL(%r15) # get control block pointer
ni __SIE_PROG0C+3(%r14),0xfe # no longer in SIE
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce
larl %r9,sie_exit # skip forward to sie_exit
lghi %r11,_PIF_GUEST_FAULT
#endif
0: tmhh %r8,0x4000 # PER bit set in old PSW ?
jnz 1f # -> enabled, can't be a double fault
1: tmhh %r8,0x4000 # PER bit set in old PSW ?
jnz 2f # -> enabled, can't be a double fault
tm __LC_PGM_ILC+3,0x80 # check for per exception
jnz .Lpgm_svcper # -> single stepped svc
1: CHECK_STACK __LC_SAVE_AREA_SYNC
2: CHECK_STACK __LC_SAVE_AREA_SYNC
aghi %r15,-(STACK_FRAME_OVERHEAD + __PT_SIZE)
# CHECK_VMAP_STACK branches to stack_overflow or 4f
CHECK_VMAP_STACK __LC_SAVE_AREA_SYNC,4f
2: UPDATE_VTIME %r14,%r15,__LC_SYNC_ENTER_TIMER
# CHECK_VMAP_STACK branches to stack_overflow or 5f
CHECK_VMAP_STACK __LC_SAVE_AREA_SYNC,5f
3: UPDATE_VTIME %r14,%r15,__LC_SYNC_ENTER_TIMER
BPENTER __TI_flags(%r12),_TIF_ISOLATE_BP
lg %r15,__LC_KERNEL_STACK
lgr %r14,%r12
aghi %r14,__TASK_thread # pointer to thread_struct
lghi %r13,__LC_PGM_TDB
tm __LC_PGM_ILC+2,0x02 # check for transaction abort
jz 3f
jz 4f
mvc __THREAD_trap_tdb(256,%r14),0(%r13)
3: stg %r10,__THREAD_last_break(%r14)
4: lgr %r13,%r11
4: stg %r10,__THREAD_last_break(%r14)
5: lgr %r13,%r11
la %r11,STACK_FRAME_OVERHEAD(%r15)
stmg %r0,%r7,__PT_R0(%r11)
# clear user controlled registers to prevent speculative use
@ -663,14 +673,14 @@ ENTRY(pgm_check_handler)
stg %r13,__PT_FLAGS(%r11)
stg %r10,__PT_ARGS(%r11)
tm __LC_PGM_ILC+3,0x80 # check for per exception
jz 5f
jz 6f
tmhh %r8,0x0001 # kernel per event ?
jz .Lpgm_kprobe
oi __PT_FLAGS+7(%r11),_PIF_PER_TRAP
mvc __THREAD_per_address(8,%r14),__LC_PER_ADDRESS
mvc __THREAD_per_cause(2,%r14),__LC_PER_CODE
mvc __THREAD_per_paid(1,%r14),__LC_PER_ACCESS_ID
5: REENABLE_IRQS
6: REENABLE_IRQS
xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
larl %r1,pgm_check_table
llgh %r10,__PT_INT_CODE+2(%r11)
@ -775,7 +785,7 @@ ENTRY(io_int_handler)
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
.Lio_exit_kernel:
lmg %r11,%r15,__PT_R11(%r11)
lpswe __LC_RETURN_PSW
b __LC_RETURN_LPSWE(%r0)
.Lio_done:
#
@ -1214,7 +1224,7 @@ ENTRY(mcck_int_handler)
stpt __LC_EXIT_TIMER
mvc __VDSO_ECTG_BASE(16,%r14),__LC_EXIT_TIMER
0: lmg %r11,%r15,__PT_R11(%r11)
lpswe __LC_RETURN_MCCK_PSW
b __LC_RETURN_MCCK_LPSWE
.Lmcck_panic:
lg %r15,__LC_NODAT_STACK
@ -1271,6 +1281,8 @@ ENDPROC(stack_overflow)
#endif
ENTRY(cleanup_critical)
cghi %r9,__LC_RETURN_LPSWE
je .Lcleanup_lpswe
#if IS_ENABLED(CONFIG_KVM)
clg %r9,BASED(.Lcleanup_table_sie) # .Lsie_gmap
jl 0f
@ -1424,6 +1436,7 @@ ENDPROC(cleanup_critical)
mvc __LC_RETURN_PSW(16),__PT_PSW(%r9)
mvc 0(64,%r11),__PT_R8(%r9)
lmg %r0,%r7,__PT_R0(%r9)
.Lcleanup_lpswe:
1: lmg %r8,%r9,__LC_RETURN_PSW
BR_EX %r14,%r11
.Lcleanup_sysc_restore_insn:

1
arch/s390/kernel/process.c
View File

@ -105,6 +105,7 @@ int copy_thread_tls(unsigned long clone_flags, unsigned long new_stackp,
p->thread.system_timer = 0;
p->thread.hardirq_timer = 0;
p->thread.softirq_timer = 0;
p->thread.last_break = 1;
frame->sf.back_chain = 0;
/* new return point is ret_from_fork */

3
arch/s390/kernel/setup.c
View File

@ -73,6 +73,7 @@
#include <asm/nospec-branch.h>
#include <asm/mem_detect.h>
#include <asm/uv.h>
#include <asm/asm-offsets.h>
#include "entry.h"
/*
@ -457,6 +458,8 @@ static void __init setup_lowcore_dat_off(void)
lc->spinlock_index = 0;
arch_spin_lock_setup(0);
lc->br_r1_trampoline = 0x07f1; /* br %r1 */
lc->return_lpswe = gen_lpswe(__LC_RETURN_PSW);
lc->return_mcck_lpswe = gen_lpswe(__LC_RETURN_MCCK_PSW);
set_prefix((u32)(unsigned long) lc);
lowcore_ptr[0] = lc;

2
arch/s390/kernel/smp.c
View File

@ -212,6 +212,8 @@ static int pcpu_alloc_lowcore(struct pcpu *pcpu, int cpu)
lc->spinlock_lockval = arch_spin_lockval(cpu);
lc->spinlock_index = 0;
lc->br_r1_trampoline = 0x07f1; /* br %r1 */
lc->return_lpswe = gen_lpswe(__LC_RETURN_PSW);
lc->return_mcck_lpswe = gen_lpswe(__LC_RETURN_MCCK_PSW);
if (nmi_alloc_per_cpu(lc))
goto out_async;
if (vdso_alloc_per_cpu(lc))

4
arch/s390/mm/vmem.c
View File

@ -415,6 +415,10 @@ void __init vmem_map_init(void)
SET_MEMORY_RO | SET_MEMORY_X);
__set_memory(__stext_dma, (__etext_dma - __stext_dma) >> PAGE_SHIFT,
SET_MEMORY_RO | SET_MEMORY_X);
/* we need lowcore executable for our LPSWE instructions */
set_memory_x(0, 1);
pr_info("Write protected kernel read-only data: %luk\n",
(unsigned long)(__end_rodata - _stext) >> 10);
}

8
block/blk-mq.c
View File

@ -3007,6 +3007,14 @@ static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set)
static int blk_mq_update_queue_map(struct blk_mq_tag_set *set)
{
/*
* blk_mq_map_queues() and multiple .map_queues() implementations
* expect that set->map[HCTX_TYPE_DEFAULT].nr_queues is set to the
* number of hardware queues.
*/
if (set->nr_maps == 1)
set->map[HCTX_TYPE_DEFAULT].nr_queues = set->nr_hw_queues;
if (set->ops->map_queues && !is_kdump_kernel()) {
int i;

4
drivers/acpi/sleep.c
View File

@ -1009,6 +1009,10 @@ static bool acpi_s2idle_wake(void)
if (acpi_any_fixed_event_status_set())
return true;
/* Check wakeups from drivers sharing the SCI. */
if (acpi_check_wakeup_handlers())
return true;
/*
* If there are no EC events to process and at least one of the
* other enabled GPEs is active, the wakeup is regarded as a

1
drivers/acpi/sleep.h
View File

@ -2,6 +2,7 @@
extern void acpi_enable_wakeup_devices(u8 sleep_state);
extern void acpi_disable_wakeup_devices(u8 sleep_state);
extern bool acpi_check_wakeup_handlers(void);
extern struct list_head acpi_wakeup_device_list;
extern struct mutex acpi_device_lock;

81
drivers/acpi/wakeup.c
View File

@ -12,6 +12,15 @@
#include "internal.h"
#include "sleep.h"
struct acpi_wakeup_handler {
struct list_head list_node;
bool (*wakeup)(void *context);
void *context;
};
static LIST_HEAD(acpi_wakeup_handler_head);
static DEFINE_MUTEX(acpi_wakeup_handler_mutex);
/*
* We didn't lock acpi_device_lock in the file, because it invokes oops in
* suspend/resume and isn't really required as this is called in S-state. At
@ -96,3 +105,75 @@ int __init acpi_wakeup_device_init(void)
mutex_unlock(&acpi_device_lock);
return 0;
}
/**
* acpi_register_wakeup_handler - Register wakeup handler
* @wake_irq: The IRQ through which the device may receive wakeups
* @wakeup: Wakeup-handler to call when the SCI has triggered a wakeup
* @context: Context to pass to the handler when calling it
*
* Drivers which may share an IRQ with the SCI can use this to register
* a handler which returns true when the device they are managing wants
* to trigger a wakeup.
*/
int acpi_register_wakeup_handler(int wake_irq, bool (*wakeup)(void *context),
void *context)
{
struct acpi_wakeup_handler *handler;
/*
* If the device is not sharing its IRQ with the SCI, there is no
* need to register the handler.
*/
if (!acpi_sci_irq_valid() || wake_irq != acpi_sci_irq)
return 0;
handler = kmalloc(sizeof(*handler), GFP_KERNEL);
if (!handler)
return -ENOMEM;
handler->wakeup = wakeup;
handler->context = context;
mutex_lock(&acpi_wakeup_handler_mutex);
list_add(&handler->list_node, &acpi_wakeup_handler_head);
mutex_unlock(&acpi_wakeup_handler_mutex);
return 0;
}
EXPORT_SYMBOL_GPL(acpi_register_wakeup_handler);
/**
* acpi_unregister_wakeup_handler - Unregister wakeup handler
* @wakeup: Wakeup-handler passed to acpi_register_wakeup_handler()
* @context: Context passed to acpi_register_wakeup_handler()
*/
void acpi_unregister_wakeup_handler(bool (*wakeup)(void *context),
void *context)
{
struct acpi_wakeup_handler *handler;
mutex_lock(&acpi_wakeup_handler_mutex);
list_for_each_entry(handler, &acpi_wakeup_handler_head, list_node) {
if (handler->wakeup == wakeup && handler->context == context) {
list_del(&handler->list_node);
kfree(handler);
break;
}
}
mutex_unlock(&acpi_wakeup_handler_mutex);
}
EXPORT_SYMBOL_GPL(acpi_unregister_wakeup_handler);
bool acpi_check_wakeup_handlers(void)
{
struct acpi_wakeup_handler *handler;
/* No need to lock, nothing else is running when we're called. */
list_for_each_entry(handler, &acpi_wakeup_handler_head, list_node) {
if (handler->wakeup(handler->context))
return true;
}
return false;
}

4
drivers/char/hw_random/imx-rngc.c
View File

@ -105,8 +105,10 @@ static int imx_rngc_self_test(struct imx_rngc *rngc)
return -ETIMEDOUT;
}
if (rngc->err_reg != 0)
if (rngc->err_reg != 0) {
imx_rngc_irq_mask_clear(rngc);
return -EIO;
}
return 0;
}

20
drivers/char/random.c
View File

@ -2358,11 +2358,11 @@ struct batched_entropy {
/*
* Get a random word for internal kernel use only. The quality of the random
* number is either as good as RDRAND or as good as /dev/urandom, with the
* goal of being quite fast and not depleting entropy. In order to ensure
* number is good as /dev/urandom, but there is no backtrack protection, with
* the goal of being quite fast and not depleting entropy. In order to ensure
* that the randomness provided by this function is okay, the function
* wait_for_random_bytes() should be called and return 0 at least once
* at any point prior.
* wait_for_random_bytes() should be called and return 0 at least once at any
* point prior.
*/
static DEFINE_PER_CPU(struct batched_entropy, batched_entropy_u64) = {
.batch_lock = __SPIN_LOCK_UNLOCKED(batched_entropy_u64.lock),
@ -2375,15 +2375,6 @@ u64 get_random_u64(void)
struct batched_entropy *batch;
static void *previous;
#if BITS_PER_LONG == 64
if (arch_get_random_long((unsigned long *)&ret))
return ret;
#else
if (arch_get_random_long((unsigned long *)&ret) &&
arch_get_random_long((unsigned long *)&ret + 1))
return ret;
#endif
warn_unseeded_randomness(&previous);
batch = raw_cpu_ptr(&batched_entropy_u64);
@ -2408,9 +2399,6 @@ u32 get_random_u32(void)
struct batched_entropy *batch;
static void *previous;
if (arch_get_random_int(&ret))
return ret;
warn_unseeded_randomness(&previous);
batch = raw_cpu_ptr(&batched_entropy_u32);

29
drivers/gpu/drm/i915/i915_active.c
View File

@ -121,7 +121,7 @@ static inline void debug_active_assert(struct i915_active *ref) { }
#endif
static void
__active_retire(struct i915_active *ref)
__active_retire(struct i915_active *ref, bool lock)
{
struct active_node *it, *n;
struct rb_root root;
@ -138,7 +138,8 @@ __active_retire(struct i915_active *ref)
retire = true;
}
mutex_unlock(&ref->mutex);
if (likely(lock))
mutex_unlock(&ref->mutex);
if (!retire)
return;
@ -153,21 +154,28 @@ __active_retire(struct i915_active *ref)
}
static void
active_retire(struct i915_active *ref)
active_retire(struct i915_active *ref, bool lock)
{
GEM_BUG_ON(!atomic_read(&ref->count));
if (atomic_add_unless(&ref->count, -1, 1))
return;
/* One active may be flushed from inside the acquire of another */
mutex_lock_nested(&ref->mutex, SINGLE_DEPTH_NESTING);
__active_retire(ref);
if (likely(lock))
mutex_lock_nested(&ref->mutex, SINGLE_DEPTH_NESTING);
__active_retire(ref, lock);
}
static void
node_retire(struct i915_active_request *base, struct i915_request *rq)
{
active_retire(node_from_active(base)->ref);
active_retire(node_from_active(base)->ref, true);
}
static void
node_retire_nolock(struct i915_active_request *base, struct i915_request *rq)
{
active_retire(node_from_active(base)->ref, false);
}
static struct i915_active_request *
@ -364,7 +372,7 @@ int i915_active_acquire(struct i915_active *ref)
void i915_active_release(struct i915_active *ref)
{
debug_active_assert(ref);
active_retire(ref);
active_retire(ref, true);
}
static void __active_ungrab(struct i915_active *ref)
@ -391,7 +399,7 @@ void i915_active_ungrab(struct i915_active *ref)
{
GEM_BUG_ON(!test_bit(I915_ACTIVE_GRAB_BIT, &ref->flags));
active_retire(ref);
active_retire(ref, true);
__active_ungrab(ref);
}
@ -421,12 +429,13 @@ int i915_active_wait(struct i915_active *ref)
break;
}
err = i915_active_request_retire(&it->base, BKL(ref));
err = i915_active_request_retire(&it->base, BKL(ref),
node_retire_nolock);
if (err)
break;
}
__active_retire(ref);
__active_retire(ref, true);
if (err)
return err;

4
drivers/gpu/drm/i915/i915_active.h
View File

@ -309,7 +309,7 @@ i915_active_request_isset(const struct i915_active_request *active)
*/
static inline int __must_check
i915_active_request_retire(struct i915_active_request *active,
struct mutex *mutex)
struct mutex *mutex, i915_active_retire_fn retire)
{
struct i915_request *request;
long ret;
@ -327,7 +327,7 @@ i915_active_request_retire(struct i915_active_request *active,
list_del_init(&active->link);
RCU_INIT_POINTER(active->request, NULL);
active->retire(active, request);
retire(active, request);
return 0;
}

14
drivers/infiniband/core/cma.c
View File

@ -2911,6 +2911,7 @@ static int cma_resolve_iboe_route(struct rdma_id_private *id_priv)
err2:
kfree(route->path_rec);
route->path_rec = NULL;
route->num_paths = 0;
err1:
kfree(work);
return ret;
@ -4719,6 +4720,19 @@ static int __init cma_init(void)
{
int ret;
/*
* There is a rare lock ordering dependency in cma_netdev_callback()
* that only happens when bonding is enabled. Teach lockdep that rtnl
* must never be nested under lock so it can find these without having
* to test with bonding.
*/
if (IS_ENABLED(CONFIG_LOCKDEP)) {
rtnl_lock();
mutex_lock(&lock);
mutex_unlock(&lock);
rtnl_unlock();
}
cma_wq = alloc_ordered_workqueue("rdma_cm", WQ_MEM_RECLAIM);
if (!cma_wq)
return -ENOMEM;

49
drivers/infiniband/core/ucma.c
View File

@ -91,6 +91,7 @@ struct ucma_context {
struct ucma_file *file;
struct rdma_cm_id *cm_id;
struct mutex mutex;
u64 uid;
struct list_head list;
@ -216,6 +217,7 @@ static struct ucma_context *ucma_alloc_ctx(struct ucma_file *file)
init_completion(&ctx->comp);
INIT_LIST_HEAD(&ctx->mc_list);
ctx->file = file;
mutex_init(&ctx->mutex);
if (xa_alloc(&ctx_table, &ctx->id, ctx, xa_limit_32b, GFP_KERNEL))
goto error;
@ -589,6 +591,7 @@ static int ucma_free_ctx(struct ucma_context *ctx)
}
events_reported = ctx->events_reported;
mutex_destroy(&ctx->mutex);
kfree(ctx);
return events_reported;
}
@ -658,7 +661,10 @@ static ssize_t ucma_bind_ip(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_bind_addr(ctx->cm_id, (struct sockaddr *) &cmd.addr);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -681,7 +687,9 @@ static ssize_t ucma_bind(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_bind_addr(ctx->cm_id, (struct sockaddr *) &cmd.addr);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -705,8 +713,10 @@ static ssize_t ucma_resolve_ip(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_resolve_addr(ctx->cm_id, (struct sockaddr *) &cmd.src_addr,
(struct sockaddr *) &cmd.dst_addr, cmd.timeout_ms);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -731,8 +741,10 @@ static ssize_t ucma_resolve_addr(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_resolve_addr(ctx->cm_id, (struct sockaddr *) &cmd.src_addr,
(struct sockaddr *) &cmd.dst_addr, cmd.timeout_ms);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -752,7 +764,9 @@ static ssize_t ucma_resolve_route(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_resolve_route(ctx->cm_id, cmd.timeout_ms);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -841,6 +855,7 @@ static ssize_t ucma_query_route(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
memset(&resp, 0, sizeof resp);
addr = (struct sockaddr *) &ctx->cm_id->route.addr.src_addr;
memcpy(&resp.src_addr, addr, addr->sa_family == AF_INET ?
@ -864,6 +879,7 @@ static ssize_t ucma_query_route(struct ucma_file *file,
ucma_copy_iw_route(&resp, &ctx->cm_id->route);
out:
mutex_unlock(&ctx->mutex);
if (copy_to_user(u64_to_user_ptr(cmd.response),
&resp, sizeof(resp)))
ret = -EFAULT;
@ -1014,6 +1030,7 @@ static ssize_t ucma_query(struct ucma_file *file,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
switch (cmd.option) {
case RDMA_USER_CM_QUERY_ADDR:
ret = ucma_query_addr(ctx, response, out_len);
@ -1028,6 +1045,7 @@ static ssize_t ucma_query(struct ucma_file *file,
ret = -ENOSYS;
break;
}
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
@ -1068,7 +1086,9 @@ static ssize_t ucma_connect(struct ucma_file *file, const char __user *inbuf,
return PTR_ERR(ctx);
ucma_copy_conn_param(ctx->cm_id, &conn_param, &cmd.conn_param);
mutex_lock(&ctx->mutex);
ret = rdma_connect(ctx->cm_id, &conn_param);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -1089,7 +1109,9 @@ static ssize_t ucma_listen(struct ucma_file *file, const char __user *inbuf,
ctx->backlog = cmd.backlog > 0 && cmd.backlog < max_backlog ?
cmd.backlog : max_backlog;
mutex_lock(&ctx->mutex);
ret = rdma_listen(ctx->cm_id, ctx->backlog);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -1112,13 +1134,17 @@ static ssize_t ucma_accept(struct ucma_file *file, const char __user *inbuf,
if (cmd.conn_param.valid) {
ucma_copy_conn_param(ctx->cm_id, &conn_param, &cmd.conn_param);
mutex_lock(&file->mut);
mutex_lock(&ctx->mutex);
ret = __rdma_accept(ctx->cm_id, &conn_param, NULL);
mutex_unlock(&ctx->mutex);
if (!ret)
ctx->uid = cmd.uid;
mutex_unlock(&file->mut);
} else
} else {
mutex_lock(&ctx->mutex);
ret = __rdma_accept(ctx->cm_id, NULL, NULL);
mutex_unlock(&ctx->mutex);
}
ucma_put_ctx(ctx);
return ret;
}
@ -1137,7 +1163,9 @@ static ssize_t ucma_reject(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_reject(ctx->cm_id, cmd.private_data, cmd.private_data_len);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -1156,7 +1184,9 @@ static ssize_t ucma_disconnect(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
ret = rdma_disconnect(ctx->cm_id);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
}
@ -1187,7 +1217,9 @@ static ssize_t ucma_init_qp_attr(struct ucma_file *file,
resp.qp_attr_mask = 0;
memset(&qp_attr, 0, sizeof qp_attr);
qp_attr.qp_state = cmd.qp_state;
mutex_lock(&ctx->mutex);
ret = rdma_init_qp_attr(ctx->cm_id, &qp_attr, &resp.qp_attr_mask);
mutex_unlock(&ctx->mutex);
if (ret)
goto out;
@ -1273,9 +1305,13 @@ static int ucma_set_ib_path(struct ucma_context *ctx,
struct sa_path_rec opa;
sa_convert_path_ib_to_opa(&opa, &sa_path);
mutex_lock(&ctx->mutex);
ret = rdma_set_ib_path(ctx->cm_id, &opa);
mutex_unlock(&ctx->mutex);
} else {
mutex_lock(&ctx->mutex);
ret = rdma_set_ib_path(ctx->cm_id, &sa_path);
mutex_unlock(&ctx->mutex);
}
if (ret)
return ret;
@ -1308,7 +1344,9 @@ static int ucma_set_option_level(struct ucma_context *ctx, int level,
switch (level) {
case RDMA_OPTION_ID:
mutex_lock(&ctx->mutex);
ret = ucma_set_option_id(ctx, optname, optval, optlen);
mutex_unlock(&ctx->mutex);
break;
case RDMA_OPTION_IB:
ret = ucma_set_option_ib(ctx, optname, optval, optlen);
@ -1368,8 +1406,10 @@ static ssize_t ucma_notify(struct ucma_file *file, const char __user *inbuf,
if (IS_ERR(ctx))
return PTR_ERR(ctx);
mutex_lock(&ctx->mutex);
if (ctx->cm_id->device)
ret = rdma_notify(ctx->cm_id, (enum ib_event_type)cmd.event);
mutex_unlock(&ctx->mutex);
ucma_put_ctx(ctx);
return ret;
@ -1412,8 +1452,10 @@ static ssize_t ucma_process_join(struct ucma_file *file,
mc->join_state = join_state;
mc->uid = cmd->uid;
memcpy(&mc->addr, addr, cmd->addr_size);
mutex_lock(&ctx->mutex);
ret = rdma_join_multicast(ctx->cm_id, (struct sockaddr *)&mc->addr,
join_state, mc);
mutex_unlock(&ctx->mutex);
if (ret)
goto err2;
@ -1513,7 +1555,10 @@ static ssize_t ucma_leave_multicast(struct ucma_file *file,
goto out;
}
mutex_lock(&mc->ctx->mutex);
rdma_leave_multicast(mc->ctx->cm_id, (struct sockaddr *) &mc->addr);
mutex_unlock(&mc->ctx->mutex);
mutex_lock(&mc->ctx->file->mut);
ucma_cleanup_mc_events(mc);
list_del(&mc->list);

26
drivers/infiniband/hw/hfi1/sysfs.c
View File

@ -674,7 +674,11 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
dd_dev_err(dd,
"Skipping sc2vl sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail;
/*
* Based on the documentation for kobject_init_and_add(), the
* caller should call kobject_put even if this call fails.
*/
goto bail_sc2vl;
}
kobject_uevent(&ppd->sc2vl_kobj, KOBJ_ADD);
@ -684,7 +688,7 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
dd_dev_err(dd,
"Skipping sl2sc sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_sc2vl;
goto bail_sl2sc;
}
kobject_uevent(&ppd->sl2sc_kobj, KOBJ_ADD);
@ -694,7 +698,7 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
dd_dev_err(dd,
"Skipping vl2mtu sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_sl2sc;
goto bail_vl2mtu;
}
kobject_uevent(&ppd->vl2mtu_kobj, KOBJ_ADD);
@ -704,7 +708,7 @@ int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
dd_dev_err(dd,
"Skipping Congestion Control sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_vl2mtu;
goto bail_cc;
}
kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD);
@ -742,7 +746,6 @@ bail_sl2sc:
kobject_put(&ppd->sl2sc_kobj);
bail_sc2vl:
kobject_put(&ppd->sc2vl_kobj);
bail:
return ret;
}
@ -853,8 +856,13 @@ int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd)
return 0;
bail:
for (i = 0; i < dd->num_sdma; i++)
kobject_del(&dd->per_sdma[i].kobj);
/*
* The function kobject_put() will call kobject_del() if the kobject
* has been added successfully. The sysfs files created under the
* kobject directory will also be removed during the process.
*/
for (; i >= 0; i--)
kobject_put(&dd->per_sdma[i].kobj);
return ret;
}
@ -867,6 +875,10 @@ void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd)
struct hfi1_pportdata *ppd;
int i;
/* Unwind operations in hfi1_verbs_register_sysfs() */
for (i = 0; i < dd->num_sdma; i++)
kobject_put(&dd->per_sdma[i].kobj);
for (i = 0; i < dd->num_pports; i++) {
ppd = &dd->pport[i];

6
drivers/infiniband/hw/mlx5/main.c
View File

@ -1181,12 +1181,10 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre))
resp.tunnel_offloads_caps |=
MLX5_IB_TUNNELED_OFFLOADS_GRE;
if (MLX5_CAP_GEN(mdev, flex_parser_protocols) &
MLX5_FLEX_PROTO_CW_MPLS_GRE)
if (MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_gre))
resp.tunnel_offloads_caps |=
MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE;
if (MLX5_CAP_GEN(mdev, flex_parser_protocols) &
MLX5_FLEX_PROTO_CW_MPLS_UDP)
if (MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_udp))
resp.tunnel_offloads_caps |=
MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP;
}

145
drivers/infiniband/sw/siw/siw_cm.c
View File

@ -1783,14 +1783,23 @@ int siw_reject(struct iw_cm_id *id, const void *pdata, u8 pd_len)
return 0;
}
static int siw_listen_address(struct iw_cm_id *id, int backlog,
struct sockaddr *laddr, int addr_family)
/*
* siw_create_listen - Create resources for a listener's IWCM ID @id
*
* Starts listen on the socket address id->local_addr.
*
*/
int siw_create_listen(struct iw_cm_id *id, int backlog)
{
struct socket *s;
struct siw_cep *cep = NULL;
struct siw_device *sdev = to_siw_dev(id->device);
int addr_family = id->local_addr.ss_family;
int rv = 0, s_val;
if (addr_family != AF_INET && addr_family != AF_INET6)
return -EAFNOSUPPORT;
rv = sock_create(addr_family, SOCK_STREAM, IPPROTO_TCP, &s);
if (rv < 0)
return rv;
@ -1805,9 +1814,25 @@ static int siw_listen_address(struct iw_cm_id *id, int backlog,
siw_dbg(id->device, "setsockopt error: %d\n", rv);
goto error;
}
rv = s->ops->bind(s, laddr, addr_family == AF_INET ?
sizeof(struct sockaddr_in) :
sizeof(struct sockaddr_in6));
if (addr_family == AF_INET) {
struct sockaddr_in *laddr = &to_sockaddr_in(id->local_addr);
/* For wildcard addr, limit binding to current device only */
if (ipv4_is_zeronet(laddr->sin_addr.s_addr))
s->sk->sk_bound_dev_if = sdev->netdev->ifindex;
rv = s->ops->bind(s, (struct sockaddr *)laddr,
sizeof(struct sockaddr_in));
} else {
struct sockaddr_in6 *laddr = &to_sockaddr_in6(id->local_addr);
/* For wildcard addr, limit binding to current device only */
if (ipv6_addr_any(&laddr->sin6_addr))
s->sk->sk_bound_dev_if = sdev->netdev->ifindex;
rv = s->ops->bind(s, (struct sockaddr *)laddr,
sizeof(struct sockaddr_in6));
}
if (rv) {
siw_dbg(id->device, "socket bind error: %d\n", rv);
goto error;
@ -1866,7 +1891,7 @@ static int siw_listen_address(struct iw_cm_id *id, int backlog,
list_add_tail(&cep->listenq, (struct list_head *)id->provider_data);
cep->state = SIW_EPSTATE_LISTENING;
siw_dbg(id->device, "Listen at laddr %pISp\n", laddr);
siw_dbg(id->device, "Listen at laddr %pISp\n", &id->local_addr);
return 0;
@ -1924,114 +1949,6 @@ static void siw_drop_listeners(struct iw_cm_id *id)
}
}
/*
* siw_create_listen - Create resources for a listener's IWCM ID @id
*
* Listens on the socket addresses id->local_addr and id->remote_addr.
*
* If the listener's @id provides a specific local IP address, at most one
* listening socket is created and associated with @id.
*
* If the listener's @id provides the wildcard (zero) local IP address,
* a separate listen is performed for each local IP address of the device
* by creating a listening socket and binding to that local IP address.
*
*/
int siw_create_listen(struct iw_cm_id *id, int backlog)
{
struct net_device *dev = to_siw_dev(id->device)->netdev;
int rv = 0, listeners = 0;
siw_dbg(id->device, "backlog %d\n", backlog);
/*
* For each attached address of the interface, create a
* listening socket, if id->local_addr is the wildcard
* IP address or matches the IP address.
*/
if (id->local_addr.ss_family == AF_INET) {
struct in_device *in_dev = in_dev_get(dev);
struct sockaddr_in s_laddr, *s_raddr;
const struct in_ifaddr *ifa;
if (!in_dev) {
rv = -ENODEV;
goto out;
}
memcpy(&s_laddr, &id->local_addr, sizeof(s_laddr));
s_raddr = (struct sockaddr_in *)&id->remote_addr;
siw_dbg(id->device,
"laddr %pI4:%d, raddr %pI4:%d\n",
&s_laddr.sin_addr, ntohs(s_laddr.sin_port),
&s_raddr->sin_addr, ntohs(s_raddr->sin_port));
rtnl_lock();
in_dev_for_each_ifa_rtnl(ifa, in_dev) {
if (ipv4_is_zeronet(s_laddr.sin_addr.s_addr) ||
s_laddr.sin_addr.s_addr == ifa->ifa_address) {
s_laddr.sin_addr.s_addr = ifa->ifa_address;
rv = siw_listen_address(id, backlog,
(struct sockaddr *)&s_laddr,
AF_INET);
if (!rv)
listeners++;
}
}
rtnl_unlock();
in_dev_put(in_dev);
} else if (id->local_addr.ss_family == AF_INET6) {
struct inet6_dev *in6_dev = in6_dev_get(dev);
struct inet6_ifaddr *ifp;
struct sockaddr_in6 *s_laddr = &to_sockaddr_in6(id->local_addr),
*s_raddr = &to_sockaddr_in6(id->remote_addr);
if (!in6_dev) {
rv = -ENODEV;
goto out;
}
siw_dbg(id->device,
"laddr %pI6:%d, raddr %pI6:%d\n",
&s_laddr->sin6_addr, ntohs(s_laddr->sin6_port),
&s_raddr->sin6_addr, ntohs(s_raddr->sin6_port));
rtnl_lock();
list_for_each_entry(ifp, &in6_dev->addr_list, if_list) {
if (ifp->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED))
continue;
if (ipv6_addr_any(&s_laddr->sin6_addr) ||
ipv6_addr_equal(&s_laddr->sin6_addr, &ifp->addr)) {
struct sockaddr_in6 bind_addr = {
.sin6_family = AF_INET6,
.sin6_port = s_laddr->sin6_port,
.sin6_flowinfo = 0,
.sin6_addr = ifp->addr,
.sin6_scope_id = dev->ifindex };
rv = siw_listen_address(id, backlog,
(struct sockaddr *)&bind_addr,
AF_INET6);
if (!rv)
listeners++;
}
}
rtnl_unlock();
in6_dev_put(in6_dev);
} else {
rv = -EAFNOSUPPORT;
}
out:
if (listeners)
rv = 0;
else if (!rv)
rv = -EINVAL;
siw_dbg(id->device, "%s\n", rv ? "FAIL" : "OK");
return rv;
}
int siw_destroy_listen(struct iw_cm_id *id)
{
if (!id->provider_data) {

15
drivers/iommu/intel-iommu.c
View File

@ -2762,10 +2762,8 @@ static int __init si_domain_init(int hw)
}
/*
* Normally we use DMA domains for devices which have RMRRs. But we
* loose this requirement for graphic and usb devices. Identity map
* the RMRRs for graphic and USB devices so that they could use the
* si_domain.
* Identity map the RMRRs so that devices with RMRRs could also use
* the si_domain.
*/
for_each_rmrr_units(rmrr) {
for_each_active_dev_scope(rmrr->devices, rmrr->devices_cnt,
@ -2773,9 +2771,6 @@ static int __init si_domain_init(int hw)
unsigned long long start = rmrr->base_address;
unsigned long long end = rmrr->end_address;
if (device_is_rmrr_locked(dev))
continue;
if (WARN_ON(end < start ||
end >> agaw_to_width(si_domain->agaw)))
continue;
@ -2914,9 +2909,6 @@ static int device_def_domain_type(struct device *dev)
if (dev_is_pci(dev)) {
struct pci_dev *pdev = to_pci_dev(dev);
if (device_is_rmrr_locked(dev))
return IOMMU_DOMAIN_DMA;
/*
* Prevent any device marked as untrusted from getting
* placed into the statically identity mapping domain.
@ -2954,9 +2946,6 @@ static int device_def_domain_type(struct device *dev)
return IOMMU_DOMAIN_DMA;
} else if (pci_pcie_type(pdev) == PCI_EXP_TYPE_PCI_BRIDGE)
return IOMMU_DOMAIN_DMA;
} else {
if (device_has_rmrr(dev))
return IOMMU_DOMAIN_DMA;
}
return (iommu_identity_mapping & IDENTMAP_ALL) ?

4
drivers/net/can/slcan.c
View File

@ -148,7 +148,7 @@ static void slc_bump(struct slcan *sl)
u32 tmpid;
char *cmd = sl->rbuff;
cf.can_id = 0;
memset(&cf, 0, sizeof(cf));
switch (*cmd) {
case 'r':
@ -187,8 +187,6 @@ static void slc_bump(struct slcan *sl)
else
return;
*(u64 *) (&cf.data) = 0; /* clear payload */
/* RTR frames may have a dlc > 0 but they never have any data bytes */
if (!(cf.can_id & CAN_RTR_FLAG)) {
for (i = 0; i < cf.can_dlc; i++) {

9
drivers/net/dsa/bcm_sf2.c
View File

@ -459,7 +459,7 @@ static int bcm_sf2_mdio_register(struct dsa_switch *ds)
priv->slave_mii_bus->parent = ds->dev->parent;
priv->slave_mii_bus->phy_mask = ~priv->indir_phy_mask;
err = of_mdiobus_register(priv->slave_mii_bus, dn);
err = mdiobus_register(priv->slave_mii_bus);
if (err && dn)
of_node_put(dn);
@ -1053,6 +1053,7 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
const struct bcm_sf2_of_data *data;
struct b53_platform_data *pdata;
struct dsa_switch_ops *ops;
struct device_node *ports;
struct bcm_sf2_priv *priv;
struct b53_device *dev;
struct dsa_switch *ds;
@ -1115,7 +1116,11 @@ static int bcm_sf2_sw_probe(struct platform_device *pdev)
set_bit(0, priv->cfp.used);
set_bit(0, priv->cfp.unique);
bcm_sf2_identify_ports(priv, dn->child);
ports = of_find_node_by_name(dn, "ports");
if (ports) {
bcm_sf2_identify_ports(priv, ports);
of_node_put(ports);
}
priv->irq0 = irq_of_parse_and_map(dn, 0);
priv->irq1 = irq_of_parse_and_map(dn, 1);

3
drivers/net/dsa/mt7530.c
View File

@ -1353,6 +1353,9 @@ mt7530_setup(struct dsa_switch *ds)
continue;
phy_node = of_parse_phandle(mac_np, "phy-handle", 0);
if (!phy_node)
continue;
if (phy_node->parent == priv->dev->of_node->parent) {
interface = of_get_phy_mode(mac_np);
id = of_mdio_parse_addr(ds->dev, phy_node);

1
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
View File

@ -3032,7 +3032,6 @@ static int cxgb_set_mac_addr(struct net_device *dev, void *p)
return ret;
memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
pi->xact_addr_filt = ret;
return 0;
}

9
drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c
View File

@ -123,9 +123,12 @@ static int mlxsw_sp_flower_parse_actions(struct mlxsw_sp *mlxsw_sp,
u8 prio = act->vlan.prio;
u16 vid = act->vlan.vid;
return mlxsw_sp_acl_rulei_act_vlan(mlxsw_sp, rulei,
act->id, vid,
proto, prio, extack);
err = mlxsw_sp_acl_rulei_act_vlan(mlxsw_sp, rulei,
act->id, vid,
proto, prio, extack);
if (err)
return err;
break;
}
default:
NL_SET_ERR_MSG_MOD(extack, "Unsupported action");

34
drivers/net/ethernet/realtek/r8169_main.c
View File

@ -7167,12 +7167,10 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
netif_napi_add(dev, &tp->napi, rtl8169_poll, NAPI_POLL_WEIGHT);
dev->features |= NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_RXCSUM | NETIF_F_HW_VLAN_CTAG_TX |
NETIF_F_HW_VLAN_CTAG_RX;
dev->features |= NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM |
NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX;
dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
NETIF_F_HIGHDMA;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
@ -7190,25 +7188,25 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
dev->hw_features &= ~NETIF_F_HW_VLAN_CTAG_RX;
if (rtl_chip_supports_csum_v2(tp)) {
dev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
dev->features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
dev->hw_features |= NETIF_F_IPV6_CSUM;
dev->features |= NETIF_F_IPV6_CSUM;
}
/* There has been a number of reports that using SG/TSO results in
* tx timeouts. However for a lot of people SG/TSO works fine.
* Therefore disable both features by default, but allow users to
* enable them. Use at own risk!
*/
if (rtl_chip_supports_csum_v2(tp)) {
dev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6;
dev->gso_max_size = RTL_GSO_MAX_SIZE_V2;
dev->gso_max_segs = RTL_GSO_MAX_SEGS_V2;
} else {
dev->hw_features |= NETIF_F_SG | NETIF_F_TSO;
dev->gso_max_size = RTL_GSO_MAX_SIZE_V1;
dev->gso_max_segs = RTL_GSO_MAX_SEGS_V1;
}
/* RTL8168e-vl and one RTL8168c variant are known to have a
* HW issue with TSO.
*/
if (tp->mac_version == RTL_GIGA_MAC_VER_34 ||
tp->mac_version == RTL_GIGA_MAC_VER_22) {
dev->vlan_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
dev->hw_features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
dev->features &= ~(NETIF_F_ALL_TSO | NETIF_F_SG);
}
dev->hw_features |= NETIF_F_RXALL;
dev->hw_features |= NETIF_F_RXFCS;

2
drivers/net/ethernet/stmicro/stmmac/dwmac1000_core.c
View File

@ -209,7 +209,7 @@ static void dwmac1000_set_filter(struct mac_device_info *hw,
reg++;
}
while (reg <= perfect_addr_number) {
while (reg < perfect_addr_number) {
writel(0, ioaddr + GMAC_ADDR_HIGH(reg));
writel(0, ioaddr + GMAC_ADDR_LOW(reg));
reg++;

7
drivers/net/phy/micrel.c
View File

@ -25,6 +25,7 @@
#include <linux/micrel_phy.h>
#include <linux/of.h>
#include <linux/clk.h>
#include <linux/delay.h>
/* Operation Mode Strap Override */
#define MII_KSZPHY_OMSO 0x16
@ -902,6 +903,12 @@ static int kszphy_resume(struct phy_device *phydev)
genphy_resume(phydev);
/* After switching from power-down to normal mode, an internal global
* reset is automatically generated. Wait a minimum of 1 ms before
* read/write access to the PHY registers.
*/
usleep_range(1000, 2000);
ret = kszphy_config_reset(phydev);
if (ret)
return ret;

9
drivers/net/phy/realtek.c
View File

@ -456,6 +456,15 @@ static struct phy_driver realtek_drvs[] = {
.resume = genphy_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
}, {
PHY_ID_MATCH_MODEL(0x001cc880),
.name = "RTL8208 Fast Ethernet",
.read_mmd = genphy_read_mmd_unsupported,
.write_mmd = genphy_write_mmd_unsupported,
.suspend = genphy_suspend,
.resume = genphy_resume,
.read_page = rtl821x_read_page,
.write_page = rtl821x_write_page,
}, {
PHY_ID_MATCH_EXACT(0x001cc910),
.name = "RTL8211 Gigabit Ethernet",

10
drivers/net/tun.c
View File

@ -1715,8 +1715,12 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
alloc_frag->offset += buflen;
}
err = tun_xdp_act(tun, xdp_prog, &xdp, act);
if (err < 0)
goto err_xdp;
if (err < 0) {
if (act == XDP_REDIRECT || act == XDP_TX)
put_page(alloc_frag->page);
goto out;
}
if (err == XDP_REDIRECT)
xdp_do_flush_map();
if (err != XDP_PASS)
@ -1730,8 +1734,6 @@ static struct sk_buff *tun_build_skb(struct tun_struct *tun,
return __tun_build_skb(tfile, alloc_frag, buf, buflen, len, pad);
err_xdp:
put_page(alloc_frag->page);
out:
rcu_read_unlock();
local_bh_enable();

10
drivers/platform/x86/intel_int0002_vgpio.c
View File

@ -127,6 +127,14 @@ static irqreturn_t int0002_irq(int irq, void *data)
return IRQ_HANDLED;
}
static bool int0002_check_wake(void *data)
{
u32 gpe_sts_reg;
gpe_sts_reg = inl(GPE0A_STS_PORT);
return (gpe_sts_reg & GPE0A_PME_B0_STS_BIT);
}
static struct irq_chip int0002_byt_irqchip = {
.name = DRV_NAME,
.irq_ack = int0002_irq_ack,
@ -220,6 +228,7 @@ static int int0002_probe(struct platform_device *pdev)
gpiochip_set_chained_irqchip(chip, irq_chip, irq, NULL);
acpi_register_wakeup_handler(irq, int0002_check_wake, NULL);
device_init_wakeup(dev, true);
return 0;
}
@ -227,6 +236,7 @@ static int int0002_probe(struct platform_device *pdev)
static int int0002_remove(struct platform_device *pdev)
{
device_init_wakeup(&pdev->dev, false);
acpi_unregister_wakeup_handler(int0002_check_wake, NULL);
return 0;
}

2
drivers/usb/dwc3/gadget.c
View File

@ -1518,7 +1518,7 @@ static void dwc3_gadget_ep_skip_trbs(struct dwc3_ep *dep, struct dwc3_request *r
for (i = 0; i < req->num_trbs; i++) {
struct dwc3_trb *trb;
trb = req->trb + i;
trb = &dep->trb_pool[dep->trb_dequeue];
trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
dwc3_ep_inc_deq(dep);
}

3
drivers/video/fbdev/core/fbcon.c
View File

@ -1276,6 +1276,9 @@ finished:
if (!con_is_bound(&fb_con))
fbcon_exit();
if (vc->vc_num == logo_shown)
logo_shown = FBCON_LOGO_CANSHOW;
return;
}

56
fs/ceph/super.c
View File

@ -106,7 +106,6 @@ static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
return 0;
}
static int ceph_sync_fs(struct super_block *sb, int wait)
{
struct ceph_fs_client *fsc = ceph_sb_to_client(sb);
@ -215,6 +214,26 @@ static match_table_t fsopt_tokens = {
{-1, NULL}
};
/*
* Remove adjacent slashes and then the trailing slash, unless it is
* the only remaining character.
*
* E.g. "//dir1////dir2///" --> "/dir1/dir2", "///" --> "/".
*/
static void canonicalize_path(char *path)
{
int i, j = 0;
for (i = 0; path[i] != '\0'; i++) {
if (path[i] != '/' || j < 1 || path[j - 1] != '/')
path[j++] = path[i];
}
if (j > 1 && path[j - 1] == '/')
j--;
path[j] = '\0';
}
static int parse_fsopt_token(char *c, void *private)
{
struct ceph_mount_options *fsopt = private;
@ -446,12 +465,15 @@ static int compare_mount_options(struct ceph_mount_options *new_fsopt,
ret = strcmp_null(fsopt1->snapdir_name, fsopt2->snapdir_name);
if (ret)
return ret;
ret = strcmp_null(fsopt1->mds_namespace, fsopt2->mds_namespace);
if (ret)
return ret;
ret = strcmp_null(fsopt1->server_path, fsopt2->server_path);
if (ret)
return ret;
ret = strcmp_null(fsopt1->fscache_uniq, fsopt2->fscache_uniq);
if (ret)
return ret;
@ -507,13 +529,17 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt,
*/
dev_name_end = strchr(dev_name, '/');
if (dev_name_end) {
if (strlen(dev_name_end) > 1) {
fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL);
if (!fsopt->server_path) {
err = -ENOMEM;
goto out;
}
/*
* The server_path will include the whole chars from userland
* including the leading '/'.
*/
fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL);
if (!fsopt->server_path) {
err = -ENOMEM;
goto out;
}
canonicalize_path(fsopt->server_path);
} else {
dev_name_end = dev_name + strlen(dev_name);
}
@ -842,7 +868,6 @@ static void destroy_caches(void)
ceph_fscache_unregister();
}
/*
* ceph_umount_begin - initiate forced umount. Tear down down the
* mount, skipping steps that may hang while waiting for server(s).
@ -929,9 +954,6 @@ out:
return root;
}
/*
* mount: join the ceph cluster, and open root directory.
*/
@ -945,7 +967,9 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc)
mutex_lock(&fsc->client->mount_mutex);
if (!fsc->sb->s_root) {
const char *path;
const char *path = fsc->mount_options->server_path ?
fsc->mount_options->server_path + 1 : "";
err = __ceph_open_session(fsc->client, started);
if (err < 0)
goto out;
@ -957,13 +981,7 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc)
goto out;
}
if (!fsc->mount_options->server_path) {
path = "";
dout("mount opening path \\t\n");
} else {
path = fsc->mount_options->server_path + 1;
dout("mount opening path %s\n", path);
}
dout("mount opening path '%s'\n", path);
ceph_fs_debugfs_init(fsc);

2
fs/ceph/super.h
View File

@ -92,7 +92,7 @@ struct ceph_mount_options {
char *snapdir_name; /* default ".snap" */
char *mds_namespace; /* default NULL */
char *server_path; /* default "/" */
char *server_path; /* default NULL (means "/") */
char *fscache_uniq; /* default NULL */
};

5
include/linux/acpi.h
View File

@ -473,6 +473,11 @@ void __init acpi_nvs_nosave_s3(void);
void __init acpi_sleep_no_blacklist(void);
#endif /* CONFIG_PM_SLEEP */
int acpi_register_wakeup_handler(
int wake_irq, bool (*wakeup)(void *context), void *context);
void acpi_unregister_wakeup_handler(
bool (*wakeup)(void *context), void *context);
struct acpi_osc_context {
char *uuid_str; /* UUID string */
int rev;

6
include/linux/mlx5/mlx5_ifc.h
View File

@ -857,7 +857,11 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits {
u8 swp_csum[0x1];
u8 swp_lso[0x1];
u8 cqe_checksum_full[0x1];
u8 reserved_at_24[0x5];
u8 tunnel_stateless_geneve_tx[0x1];
u8 tunnel_stateless_mpls_over_udp[0x1];
u8 tunnel_stateless_mpls_over_gre[0x1];
u8 tunnel_stateless_vxlan_gpe[0x1];
u8 tunnel_stateless_ipv4_over_vxlan[0x1];
u8 tunnel_stateless_ip_over_ip[0x1];
u8 reserved_at_2a[0x6];
u8 max_vxlan_udp_ports[0x8];

1
include/linux/swab.h
View File

@ -7,6 +7,7 @@
# define swab16 __swab16
# define swab32 __swab32
# define swab64 __swab64
# define swab __swab
# define swahw32 __swahw32
# define swahb32 __swahb32
# define swab16p __swab16p

10
include/uapi/linux/swab.h
View File

@ -4,6 +4,7 @@
#include <linux/types.h>
#include <linux/compiler.h>
#include <asm/bitsperlong.h>
#include <asm/swab.h>
/*
@ -132,6 +133,15 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val)
__fswab64(x))
#endif
static __always_inline unsigned long __swab(const unsigned long y)
{
#if __BITS_PER_LONG == 64
return __swab64(y);
#else /* __BITS_PER_LONG == 32 */
return __swab32(y);
#endif
}
/**
* __swahw32 - return a word-swapped 32-bit value
* @x: value to wordswap

16
lib/find_bit.c
View File

@ -149,18 +149,6 @@ EXPORT_SYMBOL(find_last_bit);
#ifdef __BIG_ENDIAN
/* include/linux/byteorder does not support "unsigned long" type */
static inline unsigned long ext2_swab(const unsigned long y)
{
#if BITS_PER_LONG == 64
return (unsigned long) __swab64((u64) y);
#elif BITS_PER_LONG == 32
return (unsigned long) __swab32((u32) y);
#else
#error BITS_PER_LONG not defined
#endif
}
#if !defined(find_next_bit_le) || !defined(find_next_zero_bit_le)
static inline unsigned long _find_next_bit_le(const unsigned long *addr1,
const unsigned long *addr2, unsigned long nbits,
@ -177,7 +165,7 @@ static inline unsigned long _find_next_bit_le(const unsigned long *addr1,
tmp ^= invert;
/* Handle 1st word. */
tmp &= ext2_swab(BITMAP_FIRST_WORD_MASK(start));
tmp &= swab(BITMAP_FIRST_WORD_MASK(start));
start = round_down(start, BITS_PER_LONG);
while (!tmp) {
@ -191,7 +179,7 @@ static inline unsigned long _find_next_bit_le(const unsigned long *addr1,
tmp ^= invert;
}
return min(start + __ffs(ext2_swab(tmp)), nbits);
return min(start + __ffs(swab(tmp)), nbits);
}
#endif

2
mm/slub.c
View File

@ -261,7 +261,7 @@ static inline void *freelist_ptr(const struct kmem_cache *s, void *ptr,
* freepointer to be restored incorrectly.
*/
return (void *)((unsigned long)ptr ^ s->random ^
(unsigned long)kasan_reset_tag((void *)ptr_addr));
swab((unsigned long)kasan_reset_tag((void *)ptr_addr)));
#else
return ptr;
#endif

4
net/bluetooth/rfcomm/tty.c
View File

@ -413,10 +413,8 @@ static int __rfcomm_create_dev(struct sock *sk, void __user *arg)
dlc = rfcomm_dlc_exists(&req.src, &req.dst, req.channel);
if (IS_ERR(dlc))
return PTR_ERR(dlc);
else if (dlc) {
rfcomm_dlc_put(dlc);
if (dlc)
return -EBUSY;
}
dlc = rfcomm_dlc_alloc(GFP_KERNEL);
if (!dlc)
return -ENOMEM;

4
net/ipv6/addrconf.c
View File

@ -3296,6 +3296,10 @@ static void addrconf_addr_gen(struct inet6_dev *idev, bool prefix_route)
if (netif_is_l3_master(idev->dev))
return;
/* no link local addresses on devices flagged as slaves */
if (idev->dev->flags & IFF_SLAVE)
return;
ipv6_addr_set(&addr, htonl(0xFE800000), 0, 0, 0);
switch (idev->cnf.addr_gen_mode) {

45
net/sched/cls_tcindex.c
View File

@ -11,6 +11,7 @@
#include <linux/skbuff.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <linux/refcount.h>
#include <net/act_api.h>
#include <net/netlink.h>
#include <net/pkt_cls.h>
@ -26,9 +27,12 @@
#define DEFAULT_HASH_SIZE 64 /* optimized for diffserv */
struct tcindex_data;
struct tcindex_filter_result {
struct tcf_exts exts;
struct tcf_result res;
struct tcindex_data *p;
struct rcu_work rwork;
};
@ -49,6 +53,7 @@ struct tcindex_data {
u32 hash; /* hash table size; 0 if undefined */
u32 alloc_hash; /* allocated size */
u32 fall_through; /* 0: only classify if explicit match */
refcount_t refcnt; /* a temporary refcnt for perfect hash */
struct rcu_work rwork;
};
@ -57,6 +62,20 @@ static inline int tcindex_filter_is_set(struct tcindex_filter_result *r)
return tcf_exts_has_actions(&r->exts) || r->res.classid;
}
static void tcindex_data_get(struct tcindex_data *p)
{
refcount_inc(&p->refcnt);
}
static void tcindex_data_put(struct tcindex_data *p)
{
if (refcount_dec_and_test(&p->refcnt)) {
kfree(p->perfect);
kfree(p->h);
kfree(p);
}
}
static struct tcindex_filter_result *tcindex_lookup(struct tcindex_data *p,
u16 key)
{
@ -132,6 +151,7 @@ static int tcindex_init(struct tcf_proto *tp)
p->mask = 0xffff;
p->hash = DEFAULT_HASH_SIZE;
p->fall_through = 1;
refcount_set(&p->refcnt, 1); /* Paired with tcindex_destroy_work() */
rcu_assign_pointer(tp->root, p);
return 0;
@ -141,6 +161,7 @@ static void __tcindex_destroy_rexts(struct tcindex_filter_result *r)
{
tcf_exts_destroy(&r->exts);
tcf_exts_put_net(&r->exts);
tcindex_data_put(r->p);
}
static void tcindex_destroy_rexts_work(struct work_struct *work)
@ -212,6 +233,8 @@ found:
else
__tcindex_destroy_fexts(f);
} else {
tcindex_data_get(p);
if (tcf_exts_get_net(&r->exts))
tcf_queue_work(&r->rwork, tcindex_destroy_rexts_work);
else
@ -228,9 +251,7 @@ static void tcindex_destroy_work(struct work_struct *work)
struct tcindex_data,
rwork);
kfree(p->perfect);
kfree(p->h);
kfree(p);
tcindex_data_put(p);
}
static inline int
@ -248,9 +269,11 @@ static const struct nla_policy tcindex_policy[TCA_TCINDEX_MAX + 1] = {
};
static int tcindex_filter_result_init(struct tcindex_filter_result *r,
struct tcindex_data *p,
struct net *net)
{
memset(r, 0, sizeof(*r));
r->p = p;
return tcf_exts_init(&r->exts, net, TCA_TCINDEX_ACT,
TCA_TCINDEX_POLICE);
}
@ -290,6 +313,7 @@ static int tcindex_alloc_perfect_hash(struct net *net, struct tcindex_data *cp)
TCA_TCINDEX_ACT, TCA_TCINDEX_POLICE);
if (err < 0)
goto errout;
cp->perfect[i].p = cp;
}
return 0;
@ -334,6 +358,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
cp->alloc_hash = p->alloc_hash;
cp->fall_through = p->fall_through;
cp->tp = tp;
refcount_set(&cp->refcnt, 1); /* Paired with tcindex_destroy_work() */
if (tb[TCA_TCINDEX_HASH])
cp->hash = nla_get_u32(tb[TCA_TCINDEX_HASH]);
@ -366,7 +391,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
}
cp->h = p->h;
err = tcindex_filter_result_init(&new_filter_result, net);
err = tcindex_filter_result_init(&new_filter_result, cp, net);
if (err < 0)
goto errout_alloc;
if (old_r)
@ -434,7 +459,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
goto errout_alloc;
f->key = handle;
f->next = NULL;
err = tcindex_filter_result_init(&f->result, net);
err = tcindex_filter_result_init(&f->result, cp, net);
if (err < 0) {
kfree(f);
goto errout_alloc;
@ -447,7 +472,7 @@ tcindex_set_parms(struct net *net, struct tcf_proto *tp, unsigned long base,
}
if (old_r && old_r != r) {
err = tcindex_filter_result_init(old_r, net);
err = tcindex_filter_result_init(old_r, cp, net);
if (err < 0) {
kfree(f);
goto errout_alloc;
@ -571,6 +596,14 @@ static void tcindex_destroy(struct tcf_proto *tp, bool rtnl_held,
for (i = 0; i < p->hash; i++) {
struct tcindex_filter_result *r = p->perfect + i;
/* tcf_queue_work() does not guarantee the ordering we
* want, so we have to take this refcnt temporarily to
* ensure 'p' is freed after all tcindex_filter_result
* here. Imperfect hash does not need this, because it
* uses linked lists rather than an array.
*/
tcindex_data_get(p);
tcf_unbind_filter(tp, &r->res);
if (tcf_exts_get_net(&r->exts))
tcf_queue_work(&r->rwork,

2
sound/soc/jz4740/jz4740-i2s.c
View File

@ -83,7 +83,7 @@
#define JZ_AIC_I2S_STATUS_BUSY BIT(2)
#define JZ_AIC_CLK_DIV_MASK 0xf
#define I2SDIV_DV_SHIFT 8
#define I2SDIV_DV_SHIFT 0
#define I2SDIV_DV_MASK (0xf << I2SDIV_DV_SHIFT)
#define I2SDIV_IDV_SHIFT 8
#define I2SDIV_IDV_MASK (0xf << I2SDIV_IDV_SHIFT)

2
tools/accounting/getdelays.c
View File

@ -136,7 +136,7 @@ static int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
msg.g.version = 0x1;
na = (struct nlattr *) GENLMSG_DATA(&msg);
na->nla_type = nla_type;
na->nla_len = nla_len + 1 + NLA_HDRLEN;
na->nla_len = nla_len + NLA_HDRLEN;
memcpy(NLA_DATA(na), nla_data, nla_len);
msg.n.nlmsg_len += NLMSG_ALIGN(na->nla_len);