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Merge android-4.4.106 (2fea039) into msm-4.4

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* refs/heads/tmp-2fea039
  Linux 4.4.106
  usb: gadget: ffs: Forbid usb_ep_alloc_request from sleeping
  arm: KVM: Fix VTTBR_BADDR_MASK BUG_ON off-by-one
  Revert "x86/mm/pat: Ensure cpa->pfn only contains page frame numbers"
  Revert "x86/efi: Hoist page table switching code into efi_call_virt()"
  Revert "x86/efi: Build our own page table structures"
  net/packet: fix a race in packet_bind() and packet_notifier()
  packet: fix crash in fanout_demux_rollover()
  sit: update frag_off info
  rds: Fix NULL pointer dereference in __rds_rdma_map
  tipc: fix memory leak in tipc_accept_from_sock()
  more bio_map_user_iov() leak fixes
  s390: always save and restore all registers on context switch
  ipmi: Stop timers before cleaning up the module
  audit: ensure that 'audit=1' actually enables audit for PID 1
  ipvlan: fix ipv6 outbound device
  afs: Connect up the CB.ProbeUuid
  IB/mlx5: Assign send CQ and recv CQ of UMR QP
  IB/mlx4: Increase maximal message size under UD QP
  xfrm: Copy policy family in clone_policy
  jump_label: Invoke jump_label_test() via early_initcall()
  atm: horizon: Fix irq release error
  sctp: use the right sk after waking up from wait_buf sleep
  sctp: do not free asoc when it is already dead in sctp_sendmsg
  sparc64/mm: set fields in deferred pages
  block: wake up all tasks blocked in get_request()
  sunrpc: Fix rpc_task_begin trace point
  NFS: Fix a typo in nfs_rename()
  dynamic-debug-howto: fix optional/omitted ending line number to be LARGE instead of 0
  lib/genalloc.c: make the avail variable an atomic_long_t
  route: update fnhe_expires for redirect when the fnhe exists
  route: also update fnhe_genid when updating a route cache
  mac80211_hwsim: Fix memory leak in hwsim_new_radio_nl()
  kbuild: pkg: use --transform option to prefix paths in tar
  EDAC, i5000, i5400: Fix definition of NRECMEMB register
  EDAC, i5000, i5400: Fix use of MTR_DRAM_WIDTH macro
  powerpc/powernv/ioda2: Gracefully fail if too many TCE levels requested
  drm/amd/amdgpu: fix console deadlock if late init failed
  axonram: Fix gendisk handling
  netfilter: don't track fragmented packets
  zram: set physical queue limits to avoid array out of bounds accesses
  i2c: riic: fix restart condition
  crypto: s5p-sss - Fix completing crypto request in IRQ handler
  ipv6: reorder icmpv6_init() and ip6_mr_init()
  bnx2x: do not rollback VF MAC/VLAN filters we did not configure
  bnx2x: fix possible overrun of VFPF multicast addresses array
  bnx2x: prevent crash when accessing PTP with interface down
  spi_ks8995: fix "BUG: key accdaa28 not in .data!"
  arm64: KVM: Survive unknown traps from guests
  arm: KVM: Survive unknown traps from guests
  KVM: nVMX: reset nested_run_pending if the vCPU is going to be reset
  irqchip/crossbar: Fix incorrect type of register size
  scsi: lpfc: Fix crash during Hardware error recovery on SLI3 adapters
  workqueue: trigger WARN if queue_delayed_work() is called with NULL @wq
  libata: drop WARN from protocol error in ata_sff_qc_issue()
  kvm: nVMX: VMCLEAR should not cause the vCPU to shut down
  USB: gadgetfs: Fix a potential memory leak in 'dev_config()'
  usb: gadget: configs: plug memory leak
  HID: chicony: Add support for another ASUS Zen AiO keyboard
  gpio: altera: Use handle_level_irq when configured as a level_high
  ARM: OMAP2+: Release device node after it is no longer needed.
  ARM: OMAP2+: Fix device node reference counts
  module: set __jump_table alignment to 8
  selftest/powerpc: Fix false failures for skipped tests
  x86/hpet: Prevent might sleep splat on resume
  ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure
  vti6: Don't report path MTU below IPV6_MIN_MTU.
  Revert "s390/kbuild: enable modversions for symbols exported from asm"
  Revert "spi: SPI_FSL_DSPI should depend on HAS_DMA"
  Revert "drm/armada: Fix compile fail"
  mm: drop unused pmdp_huge_get_and_clear_notify()
  thp: fix MADV_DONTNEED vs. numa balancing race
  thp: reduce indentation level in change_huge_pmd()
  scsi: storvsc: Workaround for virtual DVD SCSI version
  ARM: avoid faulting on qemu
  ARM: BUG if jumping to usermode address in kernel mode
  arm64: fpsimd: Prevent registers leaking from dead tasks
  KVM: VMX: remove I/O port 0x80 bypass on Intel hosts
  arm64: KVM: fix VTTBR_BADDR_MASK BUG_ON off-by-one
  media: dvb: i2c transfers over usb cannot be done from stack
  drm/exynos: gem: Drop NONCONTIG flag for buffers allocated without IOMMU
  drm: extra printk() wrapper macros
  kdb: Fix handling of kallsyms_symbol_next() return value
  s390: fix compat system call table
  iommu/vt-d: Fix scatterlist offset handling
  ALSA: usb-audio: Add check return value for usb_string()
  ALSA: usb-audio: Fix out-of-bound error
  ALSA: seq: Remove spurious WARN_ON() at timer check
  ALSA: pcm: prevent UAF in snd_pcm_info
  x86/PCI: Make broadcom_postcore_init() check acpi_disabled
  X.509: reject invalid BIT STRING for subjectPublicKey
  ASN.1: check for error from ASN1_OP_END__ACT actions
  ASN.1: fix out-of-bounds read when parsing indefinite length item
  efi: Move some sysfs files to be read-only by root
  scsi: libsas: align sata_device's rps_resp on a cacheline
  isa: Prevent NULL dereference in isa_bus driver callbacks
  hv: kvp: Avoid reading past allocated blocks from KVP file
  virtio: release virtio index when fail to device_register
  can: usb_8dev: cancel urb on -EPIPE and -EPROTO
  can: esd_usb2: cancel urb on -EPIPE and -EPROTO
  can: ems_usb: cancel urb on -EPIPE and -EPROTO
  can: kvaser_usb: cancel urb on -EPIPE and -EPROTO
  can: kvaser_usb: ratelimit errors if incomplete messages are received
  can: kvaser_usb: Fix comparison bug in kvaser_usb_read_bulk_callback()
  can: kvaser_usb: free buf in error paths
  can: ti_hecc: Fix napi poll return value for repoll
  BACKPORT: irq: Make the irqentry text section unconditional
  UPSTREAM: arch, ftrace: for KASAN put hard/soft IRQ entries into separate sections
  UPSTREAM: x86, kasan, ftrace: Put APIC interrupt handlers into .irqentry.text
  UPSTREAM: kasan: make get_wild_bug_type() static
  UPSTREAM: kasan: separate report parts by empty lines
  UPSTREAM: kasan: improve double-free report format
  UPSTREAM: kasan: print page description after stacks
  UPSTREAM: kasan: improve slab object description
  UPSTREAM: kasan: change report header
  UPSTREAM: kasan: simplify address description logic
  UPSTREAM: kasan: change allocation and freeing stack traces headers
  UPSTREAM: kasan: unify report headers
  UPSTREAM: kasan: introduce helper functions for determining bug type
  BACKPORT: kasan: report only the first error by default
  UPSTREAM: kasan: fix races in quarantine_remove_cache()
  UPSTREAM: kasan: resched in quarantine_remove_cache()
  BACKPORT: kasan, sched/headers: Uninline kasan_enable/disable_current()
  BACKPORT: kasan: drain quarantine of memcg slab objects
  UPSTREAM: kasan: eliminate long stalls during quarantine reduction
  UPSTREAM: kasan: support panic_on_warn
  UPSTREAM: x86/suspend: fix false positive KASAN warning on suspend/resume
  UPSTREAM: kasan: support use-after-scope detection
  UPSTREAM: kasan/tests: add tests for user memory access functions
  UPSTREAM: mm, kasan: add a ksize() test
  UPSTREAM: kasan: test fix: warn if the UAF could not be detected in kmalloc_uaf2
  UPSTREAM: kasan: modify kmalloc_large_oob_right(), add kmalloc_pagealloc_oob_right()
  UPSTREAM: lib/stackdepot: export save/fetch stack for drivers
  UPSTREAM: lib/stackdepot.c: bump stackdepot capacity from 16MB to 128MB
  BACKPORT: kprobes: Unpoison stack in jprobe_return() for KASAN
  UPSTREAM: kasan: remove the unnecessary WARN_ONCE from quarantine.c
  UPSTREAM: kasan: avoid overflowing quarantine size on low memory systems
  UPSTREAM: kasan: improve double-free reports
  BACKPORT: mm: coalesce split strings
  BACKPORT: mm/kasan: get rid of ->state in struct kasan_alloc_meta
  UPSTREAM: mm/kasan: get rid of ->alloc_size in struct kasan_alloc_meta
  UPSTREAM: mm: kasan: remove unused 'reserved' field from struct kasan_alloc_meta
  UPSTREAM: mm/kasan, slub: don't disable interrupts when object leaves quarantine
  UPSTREAM: mm/kasan: don't reduce quarantine in atomic contexts
  UPSTREAM: mm/kasan: fix corruptions and false positive reports
  UPSTREAM: lib/stackdepot.c: use __GFP_NOWARN for stack allocations
  BACKPORT: mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
  UPSTREAM: kasan/quarantine: fix bugs on qlist_move_cache()
  UPSTREAM: mm: mempool: kasan: don't poot mempool objects in quarantine
  UPSTREAM: kasan: change memory hot-add error messages to info messages
  BACKPORT: mm/kasan: add API to check memory regions
  UPSTREAM: mm/kasan: print name of mem[set,cpy,move]() caller in report
  UPSTREAM: mm: kasan: initial memory quarantine implementation
  UPSTREAM: lib/stackdepot: avoid to return 0 handle
  UPSTREAM: lib/stackdepot.c: allow the stack trace hash to be zero
  UPSTREAM: mm, kasan: fix compilation for CONFIG_SLAB
  BACKPORT: mm, kasan: stackdepot implementation. Enable stackdepot for SLAB
  BACKPORT: mm, kasan: add GFP flags to KASAN API
  UPSTREAM: mm, kasan: SLAB support
  UPSTREAM: mm/slab: align cache size first before determination of OFF_SLAB candidate
  UPSTREAM: mm/slab: use more appropriate condition check for debug_pagealloc
  UPSTREAM: mm/slab: factor out debugging initialization in cache_init_objs()
  UPSTREAM: mm/slab: remove object status buffer for DEBUG_SLAB_LEAK
  UPSTREAM: mm/slab: alternative implementation for DEBUG_SLAB_LEAK
  UPSTREAM: mm/slab: clean up DEBUG_PAGEALLOC processing code
  UPSTREAM: mm/slab: activate debug_pagealloc in SLAB when it is actually enabled
  sched: EAS/WALT: Don't take into account of running task's util
  BACKPORT: schedutil: Reset cached freq if it is not in sync with next_freq
  UPSTREAM: kasan: add functions to clear stack poison

Conflicts:
	arch/arm/include/asm/kvm_arm.h
	arch/arm64/kernel/vmlinux.lds.S
	include/linux/kasan.h
	kernel/softirq.c
	lib/Kconfig
	lib/Kconfig.kasan
	lib/Makefile
	lib/stackdepot.c
	mm/kasan/kasan.c
	sound/usb/mixer.c

Change-Id: If70ced6da5f19be3dd92d10a8d8cd4d5841e5870
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>
This commit is contained in:
Srinivasarao P 2018-01-09 15:59:02 +05:30
commit dd4f1e35fa
179 changed files with 2273 additions and 1007 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
Documentation/kasan.txt
View file

@ -12,8 +12,7 @@ KASAN uses compile-time instrumentation for checking every memory access,
therefore you will need a GCC version 4.9.2 or later. GCC 5.0 or later is
required for detection of out-of-bounds accesses to stack or global variables.
Currently KASAN is supported only for x86_64 architecture and requires the
kernel to be built with the SLUB allocator.
Currently KASAN is supported only for x86_64 architecture.
1. Usage
========
@ -27,7 +26,7 @@ inline are compiler instrumentation types. The former produces smaller binary
the latter is 1.1 - 2 times faster. Inline instrumentation requires a GCC
version 5.0 or later.
Currently KASAN works only with the SLUB memory allocator.
KASAN works with both SLUB and SLAB memory allocators.
For better bug detection and nicer reporting, enable CONFIG_STACKTRACE.
To disable instrumentation for specific files or directories, add a line

14
MAINTAINERS
View file

@ -6002,6 +6002,20 @@ S: Maintained
F: Documentation/hwmon/k8temp
F: drivers/hwmon/k8temp.c
KASAN
M: Andrey Ryabinin <aryabinin@virtuozzo.com>
R: Alexander Potapenko <glider@google.com>
R: Dmitry Vyukov <dvyukov@google.com>
L: kasan-dev@googlegroups.com
S: Maintained
F: arch/*/include/asm/kasan.h
F: arch/*/mm/kasan_init*
F: Documentation/kasan.txt
F: include/linux/kasan*.h
F: lib/test_kasan.c
F: mm/kasan/
F: scripts/Makefile.kasan
KCONFIG
M: "Yann E. MORIN" <yann.morin.1998@free.fr>
L: linux-kbuild@vger.kernel.org

2
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 105
SUBLEVEL = 106
EXTRAVERSION =
NAME = Blurry Fish Butt

18
arch/arm/include/asm/assembler.h
View file

@ -512,4 +512,22 @@ THUMB( orr \reg , \reg , #PSR_T_BIT )
#endif
.endm
.macro bug, msg, line
#ifdef CONFIG_THUMB2_KERNEL
1: .inst 0xde02
#else
1: .inst 0xe7f001f2
#endif
#ifdef CONFIG_DEBUG_BUGVERBOSE
.pushsection .rodata.str, "aMS", %progbits, 1
2: .asciz "\msg"
.popsection
.pushsection __bug_table, "aw"
.align 2
.word 1b, 2b
.hword \line
.popsection
#endif
.endm
#endif /* __ASM_ASSEMBLER_H__ */

2
arch/arm/include/asm/exception.h
View file

@ -7,7 +7,7 @@
#ifndef __ASM_ARM_EXCEPTION_H
#define __ASM_ARM_EXCEPTION_H
#include <linux/ftrace.h>
#include <linux/interrupt.h>
#define __exception __attribute__((section(".exception.text")))
#ifdef CONFIG_FUNCTION_GRAPH_TRACER

4
arch/arm/include/asm/kvm_arm.h
View file

@ -161,8 +161,7 @@
#else
#define VTTBR_X (5 - KVM_T0SZ)
#endif
#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
#define VTTBR_BADDR_MASK (((_AC(1, ULL) << (40 - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
#define VTTBR_BADDR_MASK (((_AC(1, ULL) << (40 - VTTBR_X)) - 1) << VTTBR_X)
#define VTTBR_VMID_SHIFT _AC(48, ULL)
#define VTTBR_VMID_MASK(size) (_AT(u64, (1 << size) - 1) << VTTBR_VMID_SHIFT)
@ -209,6 +208,7 @@
#define HSR_EC_IABT_HYP (0x21)
#define HSR_EC_DABT (0x24)
#define HSR_EC_DABT_HYP (0x25)
#define HSR_EC_MAX (0x3f)
#define HSR_WFI_IS_WFE (_AC(1, UL) << 0)

7
arch/arm/include/asm/traps.h
View file

@ -18,7 +18,6 @@ struct undef_hook {
void register_undef_hook(struct undef_hook *hook);
void unregister_undef_hook(struct undef_hook *hook);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
static inline int __in_irqentry_text(unsigned long ptr)
{
extern char __irqentry_text_start[];
@ -27,12 +26,6 @@ static inline int __in_irqentry_text(unsigned long ptr)
return ptr >= (unsigned long)&__irqentry_text_start &&
ptr < (unsigned long)&__irqentry_text_end;
}
#else
static inline int __in_irqentry_text(unsigned long ptr)
{
return 0;
}
#endif
static inline int in_exception_text(unsigned long ptr)
{

6
arch/arm/kernel/entry-header.S
View file

@ -295,6 +295,8 @@
mov r2, sp
ldr r1, [r2, #\offset + S_PSR] @ get calling cpsr
ldr lr, [r2, #\offset + S_PC]! @ get pc
tst r1, #PSR_I_BIT | 0x0f
bne 1f
msr spsr_cxsf, r1 @ save in spsr_svc
#if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K)
@ We must avoid clrex due to Cortex-A15 erratum #830321
@ -309,6 +311,7 @@
@ after ldm {}^
add sp, sp, #\offset + S_FRAME_SIZE
movs pc, lr @ return & move spsr_svc into cpsr
1: bug "Returning to usermode but unexpected PSR bits set?", \@
#elif defined(CONFIG_CPU_V7M)
@ V7M restore.
@ Note that we don't need to do clrex here as clearing the local
@ -324,6 +327,8 @@
ldr r1, [sp, #\offset + S_PSR] @ get calling cpsr
ldr lr, [sp, #\offset + S_PC] @ get pc
add sp, sp, #\offset + S_SP
tst r1, #PSR_I_BIT | 0x0f
bne 1f
msr spsr_cxsf, r1 @ save in spsr_svc
@ We must avoid clrex due to Cortex-A15 erratum #830321
@ -336,6 +341,7 @@
.endif
add sp, sp, #S_FRAME_SIZE - S_SP
movs pc, lr @ return & move spsr_svc into cpsr
1: bug "Returning to usermode but unexpected PSR bits set?", \@
#endif /* !CONFIG_THUMB2_KERNEL */
.endm

1
arch/arm/kernel/vmlinux.lds.S
View file

@ -105,6 +105,7 @@ SECTIONS
*(.exception.text)
__exception_text_end = .;
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT

19
arch/arm/kvm/handle_exit.c
View file

@ -100,7 +100,19 @@ static int kvm_handle_wfx(struct kvm_vcpu *vcpu, struct kvm_run *run)
return 1;
}
static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
u32 hsr = kvm_vcpu_get_hsr(vcpu);
kvm_pr_unimpl("Unknown exception class: hsr: %#08x\n",
hsr);
kvm_inject_undefined(vcpu);
return 1;
}
static exit_handle_fn arm_exit_handlers[] = {
[0 ... HSR_EC_MAX] = kvm_handle_unknown_ec,
[HSR_EC_WFI] = kvm_handle_wfx,
[HSR_EC_CP15_32] = kvm_handle_cp15_32,
[HSR_EC_CP15_64] = kvm_handle_cp15_64,
@ -122,13 +134,6 @@ static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu)
{
u8 hsr_ec = kvm_vcpu_trap_get_class(vcpu);
if (hsr_ec >= ARRAY_SIZE(arm_exit_handlers) ||
!arm_exit_handlers[hsr_ec]) {
kvm_err("Unknown exception class: hsr: %#08x\n",
(unsigned int)kvm_vcpu_get_hsr(vcpu));
BUG();
}
return arm_exit_handlers[hsr_ec];
}

10
arch/arm/mach-omap2/gpmc-onenand.c
View file

@ -367,7 +367,7 @@ static int gpmc_onenand_setup(void __iomem *onenand_base, int *freq_ptr)
return ret;
}
void gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
int gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
{
int err;
struct device *dev = &gpmc_onenand_device.dev;
@ -393,15 +393,17 @@ void gpmc_onenand_init(struct omap_onenand_platform_data *_onenand_data)
if (err < 0) {
dev_err(dev, "Cannot request GPMC CS %d, error %d\n",
gpmc_onenand_data->cs, err);
return;
return err;
}
gpmc_onenand_resource.end = gpmc_onenand_resource.start +
ONENAND_IO_SIZE - 1;
if (platform_device_register(&gpmc_onenand_device) < 0) {
err = platform_device_register(&gpmc_onenand_device);
if (err) {
dev_err(dev, "Unable to register OneNAND device\n");
gpmc_cs_free(gpmc_onenand_data->cs);
return;
}
return err;
}

25
arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
View file

@ -3885,16 +3885,20 @@ static struct omap_hwmod_ocp_if *omap3xxx_dss_hwmod_ocp_ifs[] __initdata = {
* Return: 0 if device named @dev_name is not likely to be accessible,
* or 1 if it is likely to be accessible.
*/
static int __init omap3xxx_hwmod_is_hs_ip_block_usable(struct device_node *bus,
const char *dev_name)
static bool __init omap3xxx_hwmod_is_hs_ip_block_usable(struct device_node *bus,
const char *dev_name)
{
struct device_node *node;
bool available;
if (!bus)
return (omap_type() == OMAP2_DEVICE_TYPE_GP) ? 1 : 0;
return omap_type() == OMAP2_DEVICE_TYPE_GP;
if (of_device_is_available(of_find_node_by_name(bus, dev_name)))
return 1;
node = of_get_child_by_name(bus, dev_name);
available = of_device_is_available(node);
of_node_put(node);
return 0;
return available;
}
int __init omap3xxx_hwmod_init(void)
@ -3963,15 +3967,20 @@ int __init omap3xxx_hwmod_init(void)
if (h_sham && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "sham")) {
r = omap_hwmod_register_links(h_sham);
if (r < 0)
if (r < 0) {
of_node_put(bus);
return r;
}
}
if (h_aes && omap3xxx_hwmod_is_hs_ip_block_usable(bus, "aes")) {
r = omap_hwmod_register_links(h_aes);
if (r < 0)
if (r < 0) {
of_node_put(bus);
return r;
}
}
of_node_put(bus);
/*
* Register hwmod links specific to certain ES levels of a

2
arch/arm64/include/asm/exception.h
View file

@ -18,7 +18,7 @@
#ifndef __ASM_EXCEPTION_H
#define __ASM_EXCEPTION_H
#include <linux/ftrace.h>
#include <linux/interrupt.h>
#define __exception __attribute__((section(".exception.text")))
#ifdef CONFIG_FUNCTION_GRAPH_TRACER

3
arch/arm64/include/asm/kvm_arm.h
View file

@ -154,8 +154,7 @@
#define VTTBR_X (37 - VTCR_EL2_T0SZ_40B)
#endif
#define VTTBR_BADDR_SHIFT (VTTBR_X - 1)
#define VTTBR_BADDR_MASK (((UL(1) << (PHYS_MASK_SHIFT - VTTBR_X)) - 1) << VTTBR_BADDR_SHIFT)
#define VTTBR_BADDR_MASK (((UL(1) << (PHYS_MASK_SHIFT - VTTBR_X)) - 1) << VTTBR_X)
#define VTTBR_VMID_SHIFT (UL(48))
#define VTTBR_VMID_MASK(size) (_AT(u64, (1 << size) - 1) << VTTBR_VMID_SHIFT)

7
arch/arm64/include/asm/traps.h
View file

@ -34,7 +34,6 @@ struct undef_hook {
void register_undef_hook(struct undef_hook *hook);
void unregister_undef_hook(struct undef_hook *hook);
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
static inline int __in_irqentry_text(unsigned long ptr)
{
extern char __irqentry_text_start[];
@ -43,12 +42,6 @@ static inline int __in_irqentry_text(unsigned long ptr)
return ptr >= (unsigned long)&__irqentry_text_start &&
ptr < (unsigned long)&__irqentry_text_end;
}
#else
static inline int __in_irqentry_text(unsigned long ptr)
{
return 0;
}
#endif
static inline int in_exception_text(unsigned long ptr)
{

9
arch/arm64/kernel/process.c
View file

@ -326,6 +326,15 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start,
memset(&p->thread.cpu_context, 0, sizeof(struct cpu_context));
/*
* In case p was allocated the same task_struct pointer as some
* other recently-exited task, make sure p is disassociated from
* any cpu that may have run that now-exited task recently.
* Otherwise we could erroneously skip reloading the FPSIMD
* registers for p.
*/
fpsimd_flush_task_state(p);
if (likely(!(p->flags & PF_KTHREAD))) {
*childregs = *current_pt_regs();
childregs->regs[0] = 0;

2
arch/arm64/kernel/sleep.S
View file

@ -131,7 +131,7 @@ ENTRY(_cpu_resume)
#ifdef CONFIG_KASAN
mov x0, sp
bl kasan_unpoison_remaining_stack
bl kasan_unpoison_task_stack_below
#endif
ldp x19, x20, [x29, #16]

1
arch/arm64/kernel/vmlinux.lds.S
View file

@ -120,6 +120,7 @@ SECTIONS
__exception_text_end = .;
IRQENTRY_TEXT
ENTRY_TEXT
SOFTIRQENTRY_TEXT
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT

19
arch/arm64/kvm/handle_exit.c
View file

@ -122,7 +122,19 @@ static int kvm_handle_guest_debug(struct kvm_vcpu *vcpu, struct kvm_run *run)
return ret;
}
static int kvm_handle_unknown_ec(struct kvm_vcpu *vcpu, struct kvm_run *run)
{
u32 hsr = kvm_vcpu_get_hsr(vcpu);
kvm_pr_unimpl("Unknown exception class: hsr: %#08x -- %s\n",
hsr, esr_get_class_string(hsr));
kvm_inject_undefined(vcpu);
return 1;
}
static exit_handle_fn arm_exit_handlers[] = {
[0 ... ESR_ELx_EC_MAX] = kvm_handle_unknown_ec,
[ESR_ELx_EC_WFx] = kvm_handle_wfx,
[ESR_ELx_EC_CP15_32] = kvm_handle_cp15_32,
[ESR_ELx_EC_CP15_64] = kvm_handle_cp15_64,
@ -148,13 +160,6 @@ static exit_handle_fn kvm_get_exit_handler(struct kvm_vcpu *vcpu)
u32 hsr = kvm_vcpu_get_hsr(vcpu);
u8 hsr_ec = hsr >> ESR_ELx_EC_SHIFT;
if (hsr_ec >= ARRAY_SIZE(arm_exit_handlers) ||
!arm_exit_handlers[hsr_ec]) {
kvm_err("Unknown exception class: hsr: %#08x -- %s\n",
hsr, esr_get_class_string(hsr));
BUG();
}
return arm_exit_handlers[hsr_ec];
}

1
arch/blackfin/kernel/vmlinux.lds.S
View file

@ -35,6 +35,7 @@ SECTIONS
#endif
LOCK_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
KPROBES_TEXT
#ifdef CONFIG_ROMKERNEL
__sinittext = .;

1
arch/c6x/kernel/vmlinux.lds.S
View file

@ -72,6 +72,7 @@ SECTIONS
SCHED_TEXT
LOCK_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
KPROBES_TEXT
*(.fixup)
*(.gnu.warning)

1
arch/metag/kernel/vmlinux.lds.S
View file

@ -24,6 +24,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.text.*)
*(.gnu.warning)
}

1
arch/microblaze/kernel/vmlinux.lds.S
View file

@ -36,6 +36,7 @@ SECTIONS {
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
. = ALIGN (4) ;
_etext = . ;
}

1
arch/mips/kernel/vmlinux.lds.S
View file

@ -58,6 +58,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.text.*)
*(.fixup)
*(.gnu.warning)

1
arch/nios2/kernel/vmlinux.lds.S
View file

@ -39,6 +39,7 @@ SECTIONS
SCHED_TEXT
LOCK_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
KPROBES_TEXT
} =0
_etext = .;

1
arch/openrisc/kernel/vmlinux.lds.S
View file

@ -52,6 +52,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.fixup)
*(.text.__*)
_etext = .;

1
arch/parisc/kernel/vmlinux.lds.S
View file

@ -72,6 +72,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.text.do_softirq)
*(.text.sys_exit)
*(.text.do_sigaltstack)

1
arch/powerpc/kernel/vmlinux.lds.S
View file

@ -55,6 +55,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
#ifdef CONFIG_PPC32
*(.got1)

3
arch/powerpc/platforms/powernv/pci-ioda.c
View file

@ -2270,6 +2270,9 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset,
level_shift = entries_shift + 3;
level_shift = max_t(unsigned, level_shift, PAGE_SHIFT);
if ((level_shift - 3) * levels + page_shift >= 60)
return -EINVAL;
/* Allocate TCE table */
addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift,
levels, tce_table_size, &offset, &total_allocated);

5
arch/powerpc/sysdev/axonram.c
View file

@ -276,7 +276,9 @@ failed:
if (bank->disk->major > 0)
unregister_blkdev(bank->disk->major,
bank->disk->disk_name);
del_gendisk(bank->disk);
if (bank->disk->flags & GENHD_FL_UP)
del_gendisk(bank->disk);
put_disk(bank->disk);
}
device->dev.platform_data = NULL;
if (bank->io_addr != 0)
@ -301,6 +303,7 @@ axon_ram_remove(struct platform_device *device)
device_remove_file(&device->dev, &dev_attr_ecc);
free_irq(bank->irq_id, device);
del_gendisk(bank->disk);
put_disk(bank->disk);
iounmap((void __iomem *) bank->io_addr);
kfree(bank);

8
arch/s390/include/asm/asm-prototypes.h
View file

@ -1,8 +0,0 @@
#ifndef _ASM_S390_PROTOTYPES_H
#include <linux/kvm_host.h>
#include <linux/ftrace.h>
#include <asm/fpu/api.h>
#include <asm-generic/asm-prototypes.h>
#endif /* _ASM_S390_PROTOTYPES_H */

19
arch/s390/include/asm/switch_to.h
View file

@ -29,17 +29,16 @@ static inline void restore_access_regs(unsigned int *acrs)
}
#define switch_to(prev,next,last) do { \
if (prev->mm) { \
save_fpu_regs(); \
save_access_regs(&prev->thread.acrs[0]); \
save_ri_cb(prev->thread.ri_cb); \
} \
/* save_fpu_regs() sets the CIF_FPU flag, which enforces \
* a restore of the floating point / vector registers as \
* soon as the next task returns to user space \
*/ \
save_fpu_regs(); \
save_access_regs(&prev->thread.acrs[0]); \
save_ri_cb(prev->thread.ri_cb); \
update_cr_regs(next); \
if (next->mm) { \
set_cpu_flag(CIF_FPU); \
restore_access_regs(&next->thread.acrs[0]); \
restore_ri_cb(next->thread.ri_cb, prev->thread.ri_cb); \
} \
restore_access_regs(&next->thread.acrs[0]); \
restore_ri_cb(next->thread.ri_cb, prev->thread.ri_cb); \
prev = __switch_to(prev,next); \
} while (0)

6
arch/s390/kernel/syscalls.S
View file

@ -369,10 +369,10 @@ SYSCALL(sys_recvmmsg,compat_sys_recvmmsg)
SYSCALL(sys_sendmmsg,compat_sys_sendmmsg)
SYSCALL(sys_socket,sys_socket)
SYSCALL(sys_socketpair,compat_sys_socketpair) /* 360 */
SYSCALL(sys_bind,sys_bind)
SYSCALL(sys_connect,sys_connect)
SYSCALL(sys_bind,compat_sys_bind)
SYSCALL(sys_connect,compat_sys_connect)
SYSCALL(sys_listen,sys_listen)
SYSCALL(sys_accept4,sys_accept4)
SYSCALL(sys_accept4,compat_sys_accept4)
SYSCALL(sys_getsockopt,compat_sys_getsockopt) /* 365 */
SYSCALL(sys_setsockopt,compat_sys_setsockopt)
SYSCALL(sys_getsockname,compat_sys_getsockname)

1
arch/s390/kernel/vmlinux.lds.S
View file

@ -28,6 +28,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
} :text = 0x0700

1
arch/sh/kernel/vmlinux.lds.S
View file

@ -39,6 +39,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
_etext = .; /* End of text section */

1
arch/sparc/kernel/vmlinux.lds.S
View file

@ -52,6 +52,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.gnu.warning)
} = 0
_etext = .;

9
arch/sparc/mm/init_64.c
View file

@ -2402,9 +2402,16 @@ void __init mem_init(void)
{
high_memory = __va(last_valid_pfn << PAGE_SHIFT);
register_page_bootmem_info();
free_all_bootmem();
/*
* Must be done after boot memory is put on freelist, because here we
* might set fields in deferred struct pages that have not yet been
* initialized, and free_all_bootmem() initializes all the reserved
* deferred pages for us.
*/
register_page_bootmem_info();
/*
* Set up the zero page, mark it reserved, so that page count
* is not manipulated when freeing the page from user ptes.

1
arch/tile/kernel/vmlinux.lds.S
View file

@ -45,6 +45,7 @@ SECTIONS
LOCK_TEXT
KPROBES_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
__fix_text_end = .; /* tile-cpack won't rearrange before this */
ALIGN_FUNCTION();
*(.hottext*)

6
arch/x86/entry/entry_64.S
View file

@ -672,9 +672,15 @@ apicinterrupt3 \num trace(\sym) smp_trace(\sym)
.endm
#endif
/* Make sure APIC interrupt handlers end up in the irqentry section: */
#define PUSH_SECTION_IRQENTRY .pushsection .irqentry.text, "ax"
#define POP_SECTION_IRQENTRY .popsection
.macro apicinterrupt num sym do_sym
PUSH_SECTION_IRQENTRY
apicinterrupt3 \num \sym \do_sym
trace_apicinterrupt \num \sym
POP_SECTION_IRQENTRY
.endm
#ifdef CONFIG_SMP

26
arch/x86/include/asm/efi.h
View file

@ -3,7 +3,6 @@
#include <asm/fpu/api.h>
#include <asm/pgtable.h>
#include <asm/tlb.h>
/*
* We map the EFI regions needed for runtime services non-contiguously,
@ -67,17 +66,6 @@ extern u64 asmlinkage efi_call(void *fp, ...);
#define efi_call_phys(f, args...) efi_call((f), args)
/*
* Scratch space used for switching the pagetable in the EFI stub
*/
struct efi_scratch {
u64 r15;
u64 prev_cr3;
pgd_t *efi_pgt;
bool use_pgd;
u64 phys_stack;
} __packed;
#define efi_call_virt(f, ...) \
({ \
efi_status_t __s; \
@ -85,20 +73,7 @@ struct efi_scratch {
efi_sync_low_kernel_mappings(); \
preempt_disable(); \
__kernel_fpu_begin(); \
\
if (efi_scratch.use_pgd) { \
efi_scratch.prev_cr3 = read_cr3(); \
write_cr3((unsigned long)efi_scratch.efi_pgt); \
__flush_tlb_all(); \
} \
\
__s = efi_call((void *)efi.systab->runtime->f, __VA_ARGS__); \
\
if (efi_scratch.use_pgd) { \
write_cr3(efi_scratch.prev_cr3); \
__flush_tlb_all(); \
} \
\
__kernel_fpu_end(); \
preempt_enable(); \
__s; \
@ -138,7 +113,6 @@ extern void __init efi_memory_uc(u64 addr, unsigned long size);
extern void __init efi_map_region(efi_memory_desc_t *md);
extern void __init efi_map_region_fixed(efi_memory_desc_t *md);
extern void efi_sync_low_kernel_mappings(void);
extern int __init efi_alloc_page_tables(void);
extern int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages);
extern void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages);
extern void __init old_map_region(efi_memory_desc_t *md);

18
arch/x86/kernel/Makefile
View file

@ -16,9 +16,21 @@ CFLAGS_REMOVE_ftrace.o = -pg
CFLAGS_REMOVE_early_printk.o = -pg
endif
KASAN_SANITIZE_head$(BITS).o := n
KASAN_SANITIZE_dumpstack.o := n
KASAN_SANITIZE_dumpstack_$(BITS).o := n
KASAN_SANITIZE_head$(BITS).o := n
KASAN_SANITIZE_dumpstack.o := n
KASAN_SANITIZE_dumpstack_$(BITS).o := n
KASAN_SANITIZE_stacktrace.o := n
OBJECT_FILES_NON_STANDARD_head_$(BITS).o := y
OBJECT_FILES_NON_STANDARD_relocate_kernel_$(BITS).o := y
OBJECT_FILES_NON_STANDARD_mcount_$(BITS).o := y
OBJECT_FILES_NON_STANDARD_test_nx.o := y
# If instrumentation of this dir is enabled, boot hangs during first second.
# Probably could be more selective here, but note that files related to irqs,
# boot, dumpstack/stacktrace, etc are either non-interesting or can lead to
# non-deterministic coverage.
KCOV_INSTRUMENT := n
CFLAGS_irq.o := -I$(src)/../include/asm/trace

9
arch/x86/kernel/acpi/wakeup_64.S
View file

@ -107,6 +107,15 @@ ENTRY(do_suspend_lowlevel)
movq pt_regs_r14(%rax), %r14
movq pt_regs_r15(%rax), %r15
#ifdef CONFIG_KASAN
/*
* The suspend path may have poisoned some areas deeper in the stack,
* which we now need to unpoison.
*/
movq %rsp, %rdi
call kasan_unpoison_task_stack_below
#endif
xorl %eax, %eax
addq $8, %rsp
jmp restore_processor_state

2
arch/x86/kernel/hpet.c
View file

@ -353,7 +353,7 @@ static int hpet_resume(struct clock_event_device *evt, int timer)
irq_domain_deactivate_irq(irq_get_irq_data(hdev->irq));
irq_domain_activate_irq(irq_get_irq_data(hdev->irq));
disable_irq(hdev->irq);
disable_hardirq(hdev->irq);
irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
enable_irq(hdev->irq);
}

5
arch/x86/kernel/kprobes/core.c
View file

@ -49,7 +49,7 @@
#include <linux/kdebug.h>
#include <linux/kallsyms.h>
#include <linux/ftrace.h>
#include <linux/kasan.h>
#include <asm/cacheflush.h>
#include <asm/desc.h>
#include <asm/pgtable.h>
@ -1078,6 +1078,9 @@ void jprobe_return(void)
{
struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
/* Unpoison stack redzones in the frames we are going to jump over. */
kasan_unpoison_stack_above_sp_to(kcb->jprobe_saved_sp);
asm volatile (
#ifdef CONFIG_X86_64
" xchg %%rbx,%%rsp \n"

1
arch/x86/kernel/vmlinux.lds.S
View file

@ -101,6 +101,7 @@ SECTIONS
KPROBES_TEXT
ENTRY_TEXT
IRQENTRY_TEXT
SOFTIRQENTRY_TEXT
*(.fixup)
*(.gnu.warning)
/* End of text section */

31
arch/x86/kvm/vmx.c
View file

@ -6182,12 +6182,7 @@ static __init int hardware_setup(void)
memset(vmx_vmread_bitmap, 0xff, PAGE_SIZE);
memset(vmx_vmwrite_bitmap, 0xff, PAGE_SIZE);
/*
* Allow direct access to the PC debug port (it is often used for I/O
* delays, but the vmexits simply slow things down).
*/
memset(vmx_io_bitmap_a, 0xff, PAGE_SIZE);
clear_bit(0x80, vmx_io_bitmap_a);
memset(vmx_io_bitmap_b, 0xff, PAGE_SIZE);
@ -6929,9 +6924,8 @@ static int handle_vmoff(struct kvm_vcpu *vcpu)
static int handle_vmclear(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);
u32 zero = 0;
gpa_t vmptr;
struct vmcs12 *vmcs12;
struct page *page;
if (!nested_vmx_check_permission(vcpu))
return 1;
@ -6942,22 +6936,9 @@ static int handle_vmclear(struct kvm_vcpu *vcpu)
if (vmptr == vmx->nested.current_vmptr)
nested_release_vmcs12(vmx);
page = nested_get_page(vcpu, vmptr);
if (page == NULL) {
/*
* For accurate processor emulation, VMCLEAR beyond available
* physical memory should do nothing at all. However, it is
* possible that a nested vmx bug, not a guest hypervisor bug,
* resulted in this case, so let's shut down before doing any
* more damage:
*/
kvm_make_request(KVM_REQ_TRIPLE_FAULT, vcpu);
return 1;
}
vmcs12 = kmap(page);
vmcs12->launch_state = 0;
kunmap(page);
nested_release_page(page);
kvm_vcpu_write_guest(vcpu,
vmptr + offsetof(struct vmcs12, launch_state),
&zero, sizeof(zero));
nested_free_vmcs02(vmx, vmptr);
@ -10574,8 +10555,10 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
*/
static void vmx_leave_nested(struct kvm_vcpu *vcpu)
{
if (is_guest_mode(vcpu))
if (is_guest_mode(vcpu)) {
to_vmx(vcpu)->nested.nested_run_pending = 0;
nested_vmx_vmexit(vcpu, -1, 0, 0);
}
free_nested(to_vmx(vcpu));
}

17
arch/x86/mm/pageattr.c
View file

@ -911,10 +911,15 @@ static void populate_pte(struct cpa_data *cpa,
pte = pte_offset_kernel(pmd, start);
while (num_pages-- && start < end) {
set_pte(pte, pfn_pte(cpa->pfn, pgprot));
/* deal with the NX bit */
if (!(pgprot_val(pgprot) & _PAGE_NX))
cpa->pfn &= ~_PAGE_NX;
set_pte(pte, pfn_pte(cpa->pfn >> PAGE_SHIFT, pgprot));
start += PAGE_SIZE;
cpa->pfn++;
cpa->pfn += PAGE_SIZE;
pte++;
}
}
@ -970,11 +975,11 @@ static int populate_pmd(struct cpa_data *cpa,
pmd = pmd_offset(pud, start);
set_pmd(pmd, __pmd(cpa->pfn << PAGE_SHIFT | _PAGE_PSE |
set_pmd(pmd, __pmd(cpa->pfn | _PAGE_PSE |
massage_pgprot(pmd_pgprot)));
start += PMD_SIZE;
cpa->pfn += PMD_SIZE >> PAGE_SHIFT;
cpa->pfn += PMD_SIZE;
cur_pages += PMD_SIZE >> PAGE_SHIFT;
}
@ -1043,11 +1048,11 @@ static int populate_pud(struct cpa_data *cpa, unsigned long start, pgd_t *pgd,
* Map everything starting from the Gb boundary, possibly with 1G pages
*/
while (end - start >= PUD_SIZE) {
set_pud(pud, __pud(cpa->pfn << PAGE_SHIFT | _PAGE_PSE |
set_pud(pud, __pud(cpa->pfn | _PAGE_PSE |
massage_pgprot(pud_pgprot)));
start += PUD_SIZE;
cpa->pfn += PUD_SIZE >> PAGE_SHIFT;
cpa->pfn += PUD_SIZE;
cur_pages += PUD_SIZE >> PAGE_SHIFT;
pud++;
}

2
arch/x86/pci/broadcom_bus.c
View file

@ -97,7 +97,7 @@ static int __init broadcom_postcore_init(void)
* We should get host bridge information from ACPI unless the BIOS
* doesn't support it.
*/
if (acpi_os_get_root_pointer())
if (!acpi_disabled && acpi_os_get_root_pointer())
return 0;
#endif

39
arch/x86/platform/efi/efi.c
View file

@ -869,7 +869,7 @@ static void __init kexec_enter_virtual_mode(void)
* This function will switch the EFI runtime services to virtual mode.
* Essentially, we look through the EFI memmap and map every region that
* has the runtime attribute bit set in its memory descriptor into the
* efi_pgd page table.
* ->trampoline_pgd page table using a top-down VA allocation scheme.
*
* The old method which used to update that memory descriptor with the
* virtual address obtained from ioremap() is still supported when the
@ -879,8 +879,8 @@ static void __init kexec_enter_virtual_mode(void)
*
* The new method does a pagetable switch in a preemption-safe manner
* so that we're in a different address space when calling a runtime
* function. For function arguments passing we do copy the PUDs of the
* kernel page table into efi_pgd prior to each call.
* function. For function arguments passing we do copy the PGDs of the
* kernel page table into ->trampoline_pgd prior to each call.
*
* Specially for kexec boot, efi runtime maps in previous kernel should
* be passed in via setup_data. In that case runtime ranges will be mapped
@ -895,12 +895,6 @@ static void __init __efi_enter_virtual_mode(void)
efi.systab = NULL;
if (efi_alloc_page_tables()) {
pr_err("Failed to allocate EFI page tables\n");
clear_bit(EFI_RUNTIME_SERVICES, &efi.flags);
return;
}
efi_merge_regions();
new_memmap = efi_map_regions(&count, &pg_shift);
if (!new_memmap) {
@ -960,11 +954,28 @@ static void __init __efi_enter_virtual_mode(void)
efi_runtime_mkexec();
/*
* We mapped the descriptor array into the EFI pagetable above
* but we're not unmapping it here because if we're running in
* EFI mixed mode we need all of memory to be accessible when
* we pass parameters to the EFI runtime services in the
* thunking code.
* We mapped the descriptor array into the EFI pagetable above but we're
* not unmapping it here. Here's why:
*
* We're copying select PGDs from the kernel page table to the EFI page
* table and when we do so and make changes to those PGDs like unmapping
* stuff from them, those changes appear in the kernel page table and we
* go boom.
*
* From setup_real_mode():
*
* ...
* trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd;
*
* In this particular case, our allocation is in PGD 0 of the EFI page
* table but we've copied that PGD from PGD[272] of the EFI page table:
*
* pgd_index(__PAGE_OFFSET = 0xffff880000000000) = 272
*
* where the direct memory mapping in kernel space is.
*
* new_memmap's VA comes from that direct mapping and thus clearing it,
* it would get cleared in the kernel page table too.
*
* efi_cleanup_page_tables(__pa(new_memmap), 1 << pg_shift);
*/

5
arch/x86/platform/efi/efi_32.c
View file

@ -38,11 +38,6 @@
* say 0 - 3G.
*/
int __init efi_alloc_page_tables(void)
{
return 0;
}
void efi_sync_low_kernel_mappings(void) {}
void __init efi_dump_pagetable(void) {}
int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)

137
arch/x86/platform/efi/efi_64.c
View file

@ -40,7 +40,6 @@
#include <asm/fixmap.h>
#include <asm/realmode.h>
#include <asm/time.h>
#include <asm/pgalloc.h>
/*
* We allocate runtime services regions bottom-up, starting from -4G, i.e.
@ -48,7 +47,16 @@
*/
static u64 efi_va = EFI_VA_START;
struct efi_scratch efi_scratch;
/*
* Scratch space used for switching the pagetable in the EFI stub
*/
struct efi_scratch {
u64 r15;
u64 prev_cr3;
pgd_t *efi_pgt;
bool use_pgd;
u64 phys_stack;
} __packed;
static void __init early_code_mapping_set_exec(int executable)
{
@ -75,11 +83,8 @@ pgd_t * __init efi_call_phys_prolog(void)
int pgd;
int n_pgds;
if (!efi_enabled(EFI_OLD_MEMMAP)) {
save_pgd = (pgd_t *)read_cr3();
write_cr3((unsigned long)efi_scratch.efi_pgt);
goto out;
}
if (!efi_enabled(EFI_OLD_MEMMAP))
return NULL;
early_code_mapping_set_exec(1);
@ -91,7 +96,6 @@ pgd_t * __init efi_call_phys_prolog(void)
vaddress = (unsigned long)__va(pgd * PGDIR_SIZE);
set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress));
}
out:
__flush_tlb_all();
return save_pgd;
@ -105,11 +109,8 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd)
int pgd_idx;
int nr_pgds;
if (!efi_enabled(EFI_OLD_MEMMAP)) {
write_cr3((unsigned long)save_pgd);
__flush_tlb_all();
if (!save_pgd)
return;
}
nr_pgds = DIV_ROUND_UP((max_pfn << PAGE_SHIFT) , PGDIR_SIZE);
@ -122,97 +123,27 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd)
early_code_mapping_set_exec(0);
}
static pgd_t *efi_pgd;
/*
* We need our own copy of the higher levels of the page tables
* because we want to avoid inserting EFI region mappings (EFI_VA_END
* to EFI_VA_START) into the standard kernel page tables. Everything
* else can be shared, see efi_sync_low_kernel_mappings().
*/
int __init efi_alloc_page_tables(void)
{
pgd_t *pgd;
pud_t *pud;
gfp_t gfp_mask;
if (efi_enabled(EFI_OLD_MEMMAP))
return 0;
gfp_mask = GFP_KERNEL | __GFP_NOTRACK | __GFP_REPEAT | __GFP_ZERO;
efi_pgd = (pgd_t *)__get_free_page(gfp_mask);
if (!efi_pgd)
return -ENOMEM;
pgd = efi_pgd + pgd_index(EFI_VA_END);
pud = pud_alloc_one(NULL, 0);
if (!pud) {
free_page((unsigned long)efi_pgd);
return -ENOMEM;
}
pgd_populate(NULL, pgd, pud);
return 0;
}
/*
* Add low kernel mappings for passing arguments to EFI functions.
*/
void efi_sync_low_kernel_mappings(void)
{
unsigned num_entries;
pgd_t *pgd_k, *pgd_efi;
pud_t *pud_k, *pud_efi;
unsigned num_pgds;
pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
if (efi_enabled(EFI_OLD_MEMMAP))
return;
/*
* We can share all PGD entries apart from the one entry that
* covers the EFI runtime mapping space.
*
* Make sure the EFI runtime region mappings are guaranteed to
* only span a single PGD entry and that the entry also maps
* other important kernel regions.
*/
BUILD_BUG_ON(pgd_index(EFI_VA_END) != pgd_index(MODULES_END));
BUILD_BUG_ON((EFI_VA_START & PGDIR_MASK) !=
(EFI_VA_END & PGDIR_MASK));
num_pgds = pgd_index(MODULES_END - 1) - pgd_index(PAGE_OFFSET);
pgd_efi = efi_pgd + pgd_index(PAGE_OFFSET);
pgd_k = pgd_offset_k(PAGE_OFFSET);
num_entries = pgd_index(EFI_VA_END) - pgd_index(PAGE_OFFSET);
memcpy(pgd_efi, pgd_k, sizeof(pgd_t) * num_entries);
/*
* We share all the PUD entries apart from those that map the
* EFI regions. Copy around them.
*/
BUILD_BUG_ON((EFI_VA_START & ~PUD_MASK) != 0);
BUILD_BUG_ON((EFI_VA_END & ~PUD_MASK) != 0);
pgd_efi = efi_pgd + pgd_index(EFI_VA_END);
pud_efi = pud_offset(pgd_efi, 0);
pgd_k = pgd_offset_k(EFI_VA_END);
pud_k = pud_offset(pgd_k, 0);
num_entries = pud_index(EFI_VA_END);
memcpy(pud_efi, pud_k, sizeof(pud_t) * num_entries);
pud_efi = pud_offset(pgd_efi, EFI_VA_START);
pud_k = pud_offset(pgd_k, EFI_VA_START);
num_entries = PTRS_PER_PUD - pud_index(EFI_VA_START);
memcpy(pud_efi, pud_k, sizeof(pud_t) * num_entries);
memcpy(pgd + pgd_index(PAGE_OFFSET),
init_mm.pgd + pgd_index(PAGE_OFFSET),
sizeof(pgd_t) * num_pgds);
}
int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
{
unsigned long pfn, text;
unsigned long text;
struct page *page;
unsigned npages;
pgd_t *pgd;
@ -220,8 +151,8 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
if (efi_enabled(EFI_OLD_MEMMAP))
return 0;
efi_scratch.efi_pgt = (pgd_t *)__pa(efi_pgd);
pgd = efi_pgd;
efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd;
pgd = __va(efi_scratch.efi_pgt);
/*
* It can happen that the physical address of new_memmap lands in memory
@ -229,8 +160,7 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
* and ident-map those pages containing the map before calling
* phys_efi_set_virtual_address_map().
*/
pfn = pa_memmap >> PAGE_SHIFT;
if (kernel_map_pages_in_pgd(pgd, pfn, pa_memmap, num_pages, _PAGE_NX)) {
if (kernel_map_pages_in_pgd(pgd, pa_memmap, pa_memmap, num_pages, _PAGE_NX)) {
pr_err("Error ident-mapping new memmap (0x%lx)!\n", pa_memmap);
return 1;
}
@ -255,9 +185,8 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
npages = (_end - _text) >> PAGE_SHIFT;
text = __pa(_text);
pfn = text >> PAGE_SHIFT;
if (kernel_map_pages_in_pgd(pgd, pfn, text, npages, 0)) {
if (kernel_map_pages_in_pgd(pgd, text >> PAGE_SHIFT, text, npages, 0)) {
pr_err("Failed to map kernel text 1:1\n");
return 1;
}
@ -267,20 +196,20 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages)
void __init efi_cleanup_page_tables(unsigned long pa_memmap, unsigned num_pages)
{
kernel_unmap_pages_in_pgd(efi_pgd, pa_memmap, num_pages);
pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
kernel_unmap_pages_in_pgd(pgd, pa_memmap, num_pages);
}
static void __init __map_region(efi_memory_desc_t *md, u64 va)
{
unsigned long flags = 0;
unsigned long pfn;
pgd_t *pgd = efi_pgd;
pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
unsigned long pf = 0;
if (!(md->attribute & EFI_MEMORY_WB))
flags |= _PAGE_PCD;
pf |= _PAGE_PCD;
pfn = md->phys_addr >> PAGE_SHIFT;
if (kernel_map_pages_in_pgd(pgd, pfn, va, md->num_pages, flags))
if (kernel_map_pages_in_pgd(pgd, md->phys_addr, va, md->num_pages, pf))
pr_warn("Error mapping PA 0x%llx -> VA 0x%llx!\n",
md->phys_addr, va);
}
@ -383,7 +312,9 @@ void __init efi_runtime_mkexec(void)
void __init efi_dump_pagetable(void)
{
#ifdef CONFIG_EFI_PGT_DUMP
ptdump_walk_pgd_level(NULL, efi_pgd);
pgd_t *pgd = (pgd_t *)__va(real_mode_header->trampoline_pgd);
ptdump_walk_pgd_level(NULL, pgd);
#endif
}

43
arch/x86/platform/efi/efi_stub_64.S
View file

@ -38,6 +38,41 @@
mov %rsi, %cr0; \
mov (%rsp), %rsp
/* stolen from gcc */
.macro FLUSH_TLB_ALL
movq %r15, efi_scratch(%rip)
movq %r14, efi_scratch+8(%rip)
movq %cr4, %r15
movq %r15, %r14
andb $0x7f, %r14b
movq %r14, %cr4
movq %r15, %cr4
movq efi_scratch+8(%rip), %r14
movq efi_scratch(%rip), %r15
.endm
.macro SWITCH_PGT
cmpb $0, efi_scratch+24(%rip)
je 1f
movq %r15, efi_scratch(%rip) # r15
# save previous CR3
movq %cr3, %r15
movq %r15, efi_scratch+8(%rip) # prev_cr3
movq efi_scratch+16(%rip), %r15 # EFI pgt
movq %r15, %cr3
1:
.endm
.macro RESTORE_PGT
cmpb $0, efi_scratch+24(%rip)
je 2f
movq efi_scratch+8(%rip), %r15
movq %r15, %cr3
movq efi_scratch(%rip), %r15
FLUSH_TLB_ALL
2:
.endm
ENTRY(efi_call)
SAVE_XMM
mov (%rsp), %rax
@ -48,8 +83,16 @@ ENTRY(efi_call)
mov %r8, %r9
mov %rcx, %r8
mov %rsi, %rcx
SWITCH_PGT
call *%rdi
RESTORE_PGT
addq $48, %rsp
RESTORE_XMM
ret
ENDPROC(efi_call)
.data
ENTRY(efi_scratch)
.fill 3,8,0
.byte 0
.quad 0

14
block/bio.c
View file

@ -1271,6 +1271,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
int ret, offset;
struct iov_iter i;
struct iovec iov;
struct bio_vec *bvec;
iov_for_each(iov, i, *iter) {
unsigned long uaddr = (unsigned long) iov.iov_base;
@ -1315,7 +1316,12 @@ struct bio *bio_map_user_iov(struct request_queue *q,
ret = get_user_pages_fast(uaddr, local_nr_pages,
(iter->type & WRITE) != WRITE,
&pages[cur_page]);
if (ret < local_nr_pages) {
if (unlikely(ret < local_nr_pages)) {
for (j = cur_page; j < page_limit; j++) {
if (!pages[j])
break;
put_page(pages[j]);
}
ret = -EFAULT;
goto out_unmap;
}
@ -1377,10 +1383,8 @@ struct bio *bio_map_user_iov(struct request_queue *q,
return bio;
out_unmap:
for (j = 0; j < nr_pages; j++) {
if (!pages[j])
break;
page_cache_release(pages[j]);
bio_for_each_segment_all(bvec, bio, j) {
put_page(bvec->bv_page);
}
out:
kfree(pages);

4
block/blk-core.c
View file

@ -538,8 +538,8 @@ void blk_set_queue_dying(struct request_queue *q)
blk_queue_for_each_rl(rl, q) {
if (rl->rq_pool) {
wake_up(&rl->wait[BLK_RW_SYNC]);
wake_up(&rl->wait[BLK_RW_ASYNC]);
wake_up_all(&rl->wait[BLK_RW_SYNC]);
wake_up_all(&rl->wait[BLK_RW_ASYNC]);
}
}
}

2
crypto/asymmetric_keys/x509_cert_parser.c
View file

@ -399,6 +399,8 @@ int x509_extract_key_data(void *context, size_t hdrlen,
ctx->cert->pub->pkey_algo = PKEY_ALGO_RSA;
/* Discard the BIT STRING metadata */
if (vlen < 1 || *(const u8 *)value != 0)
return -EBADMSG;
ctx->key = value + 1;
ctx->key_size = vlen - 1;
return 0;

1
drivers/ata/libata-sff.c
View file

@ -1480,7 +1480,6 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc)
break;
default:
WARN_ON_ONCE(1);
return AC_ERR_SYSTEM;
}

2
drivers/atm/horizon.c
View file

@ -2804,7 +2804,7 @@ out:
return err;
out_free_irq:
free_irq(dev->irq, dev);
free_irq(irq, dev);
out_free:
kfree(dev);
out_release:

10
drivers/base/isa.c
View file

@ -39,7 +39,7 @@ static int isa_bus_probe(struct device *dev)
{
struct isa_driver *isa_driver = dev->platform_data;
if (isa_driver->probe)
if (isa_driver && isa_driver->probe)
return isa_driver->probe(dev, to_isa_dev(dev)->id);
return 0;
@ -49,7 +49,7 @@ static int isa_bus_remove(struct device *dev)
{
struct isa_driver *isa_driver = dev->platform_data;
if (isa_driver->remove)
if (isa_driver && isa_driver->remove)
return isa_driver->remove(dev, to_isa_dev(dev)->id);
return 0;
@ -59,7 +59,7 @@ static void isa_bus_shutdown(struct device *dev)
{
struct isa_driver *isa_driver = dev->platform_data;
if (isa_driver->shutdown)
if (isa_driver && isa_driver->shutdown)
isa_driver->shutdown(dev, to_isa_dev(dev)->id);
}
@ -67,7 +67,7 @@ static int isa_bus_suspend(struct device *dev, pm_message_t state)
{
struct isa_driver *isa_driver = dev->platform_data;
if (isa_driver->suspend)
if (isa_driver && isa_driver->suspend)
return isa_driver->suspend(dev, to_isa_dev(dev)->id, state);
return 0;
@ -77,7 +77,7 @@ static int isa_bus_resume(struct device *dev)
{
struct isa_driver *isa_driver = dev->platform_data;
if (isa_driver->resume)
if (isa_driver && isa_driver->resume)
return isa_driver->resume(dev, to_isa_dev(dev)->id);
return 0;

2
drivers/block/zram/zram_drv.c
View file

@ -1260,6 +1260,8 @@ static int zram_add(void)
blk_queue_io_min(zram->disk->queue, PAGE_SIZE);
blk_queue_io_opt(zram->disk->queue, PAGE_SIZE);
zram->disk->queue->limits.discard_granularity = PAGE_SIZE;
zram->disk->queue->limits.max_sectors = SECTORS_PER_PAGE;
zram->disk->queue->limits.chunk_sectors = 0;
blk_queue_max_discard_sectors(zram->disk->queue, UINT_MAX);
/*
* zram_bio_discard() will clear all logical blocks if logical block

44
drivers/char/ipmi/ipmi_si_intf.c
View file

@ -239,6 +239,9 @@ struct smi_info {
/* The timer for this si. */
struct timer_list si_timer;
/* This flag is set, if the timer can be set */
bool timer_can_start;
/* This flag is set, if the timer is running (timer_pending() isn't enough) */
bool timer_running;
@ -414,6 +417,8 @@ static enum si_sm_result start_next_msg(struct smi_info *smi_info)
static void smi_mod_timer(struct smi_info *smi_info, unsigned long new_val)
{
if (!smi_info->timer_can_start)
return;
smi_info->last_timeout_jiffies = jiffies;
mod_timer(&smi_info->si_timer, new_val);
smi_info->timer_running = true;
@ -433,21 +438,18 @@ static void start_new_msg(struct smi_info *smi_info, unsigned char *msg,
smi_info->handlers->start_transaction(smi_info->si_sm, msg, size);
}
static void start_check_enables(struct smi_info *smi_info, bool start_timer)
static void start_check_enables(struct smi_info *smi_info)
{
unsigned char msg[2];
msg[0] = (IPMI_NETFN_APP_REQUEST << 2);
msg[1] = IPMI_GET_BMC_GLOBAL_ENABLES_CMD;
if (start_timer)
start_new_msg(smi_info, msg, 2);
else
smi_info->handlers->start_transaction(smi_info->si_sm, msg, 2);
start_new_msg(smi_info, msg, 2);
smi_info->si_state = SI_CHECKING_ENABLES;
}
static void start_clear_flags(struct smi_info *smi_info, bool start_timer)
static void start_clear_flags(struct smi_info *smi_info)
{
unsigned char msg[3];
@ -456,10 +458,7 @@ static void start_clear_flags(struct smi_info *smi_info, bool start_timer)
msg[1] = IPMI_CLEAR_MSG_FLAGS_CMD;
msg[2] = WDT_PRE_TIMEOUT_INT;
if (start_timer)
start_new_msg(smi_info, msg, 3);
else
smi_info->handlers->start_transaction(smi_info->si_sm, msg, 3);
start_new_msg(smi_info, msg, 3);
smi_info->si_state = SI_CLEARING_FLAGS;
}
@ -494,11 +493,11 @@ static void start_getting_events(struct smi_info *smi_info)
* Note that we cannot just use disable_irq(), since the interrupt may
* be shared.
*/
static inline bool disable_si_irq(struct smi_info *smi_info, bool start_timer)
static inline bool disable_si_irq(struct smi_info *smi_info)
{
if ((smi_info->irq) && (!smi_info->interrupt_disabled)) {
smi_info->interrupt_disabled = true;
start_check_enables(smi_info, start_timer);
start_check_enables(smi_info);
return true;
}
return false;
@ -508,7 +507,7 @@ static inline bool enable_si_irq(struct smi_info *smi_info)
{
if ((smi_info->irq) && (smi_info->interrupt_disabled)) {
smi_info->interrupt_disabled = false;
start_check_enables(smi_info, true);
start_check_enables(smi_info);
return true;
}
return false;
@ -526,7 +525,7 @@ static struct ipmi_smi_msg *alloc_msg_handle_irq(struct smi_info *smi_info)
msg = ipmi_alloc_smi_msg();
if (!msg) {
if (!disable_si_irq(smi_info, true))
if (!disable_si_irq(smi_info))
smi_info->si_state = SI_NORMAL;
} else if (enable_si_irq(smi_info)) {
ipmi_free_smi_msg(msg);
@ -542,7 +541,7 @@ static void handle_flags(struct smi_info *smi_info)
/* Watchdog pre-timeout */
smi_inc_stat(smi_info, watchdog_pretimeouts);
start_clear_flags(smi_info, true);
start_clear_flags(smi_info);
smi_info->msg_flags &= ~WDT_PRE_TIMEOUT_INT;
if (smi_info->intf)
ipmi_smi_watchdog_pretimeout(smi_info->intf);
@ -925,7 +924,7 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info,
* disable and messages disabled.
*/
if (smi_info->supports_event_msg_buff || smi_info->irq) {
start_check_enables(smi_info, true);
start_check_enables(smi_info);
} else {
smi_info->curr_msg = alloc_msg_handle_irq(smi_info);
if (!smi_info->curr_msg)
@ -1232,6 +1231,7 @@ static int smi_start_processing(void *send_info,
/* Set up the timer that drives the interface. */
setup_timer(&new_smi->si_timer, smi_timeout, (long)new_smi);
new_smi->timer_can_start = true;
smi_mod_timer(new_smi, jiffies + SI_TIMEOUT_JIFFIES);
/* Try to claim any interrupts. */
@ -3434,10 +3434,12 @@ static void check_for_broken_irqs(struct smi_info *smi_info)
check_set_rcv_irq(smi_info);
}
static inline void wait_for_timer_and_thread(struct smi_info *smi_info)
static inline void stop_timer_and_thread(struct smi_info *smi_info)
{
if (smi_info->thread != NULL)
kthread_stop(smi_info->thread);
smi_info->timer_can_start = false;
if (smi_info->timer_running)
del_timer_sync(&smi_info->si_timer);
}
@ -3635,7 +3637,7 @@ static int try_smi_init(struct smi_info *new_smi)
* Start clearing the flags before we enable interrupts or the
* timer to avoid racing with the timer.
*/
start_clear_flags(new_smi, false);
start_clear_flags(new_smi);
/*
* IRQ is defined to be set when non-zero. req_events will
@ -3713,7 +3715,7 @@ static int try_smi_init(struct smi_info *new_smi)
return 0;
out_err_stop_timer:
wait_for_timer_and_thread(new_smi);
stop_timer_and_thread(new_smi);
out_err:
new_smi->interrupt_disabled = true;
@ -3919,7 +3921,7 @@ static void cleanup_one_si(struct smi_info *to_clean)
*/
if (to_clean->irq_cleanup)
to_clean->irq_cleanup(to_clean);
wait_for_timer_and_thread(to_clean);
stop_timer_and_thread(to_clean);
/*
* Timeouts are stopped, now make sure the interrupts are off
@ -3930,7 +3932,7 @@ static void cleanup_one_si(struct smi_info *to_clean)
poll(to_clean);
schedule_timeout_uninterruptible(1);
}
disable_si_irq(to_clean, false);
disable_si_irq(to_clean);
while (to_clean->curr_msg || (to_clean->si_state != SI_NORMAL)) {
poll(to_clean);
schedule_timeout_uninterruptible(1);

5
drivers/crypto/s5p-sss.c
View file

@ -664,8 +664,9 @@ static int s5p_aes_probe(struct platform_device *pdev)
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;
}
err = devm_request_irq(dev, pdata->irq_fc, s5p_aes_interrupt,
IRQF_SHARED, pdev->name, pdev);
err = devm_request_threaded_irq(dev, pdata->irq_fc, NULL,
s5p_aes_interrupt, IRQF_ONESHOT,
pdev->name, pdev);
if (err < 0) {
dev_warn(dev, "feed control interrupt is not available.\n");
goto err_irq;

8
drivers/edac/i5000_edac.c
View file

@ -227,7 +227,7 @@
#define NREC_RDWR(x) (((x)>>11) & 1)
#define NREC_RANK(x) (((x)>>8) & 0x7)
#define NRECMEMB 0xC0
#define NREC_CAS(x) (((x)>>16) & 0xFFFFFF)
#define NREC_CAS(x) (((x)>>16) & 0xFFF)
#define NREC_RAS(x) ((x) & 0x7FFF)
#define NRECFGLOG 0xC4
#define NREEECFBDA 0xC8
@ -371,7 +371,7 @@ struct i5000_error_info {
/* These registers are input ONLY if there was a
* Non-Recoverable Error */
u16 nrecmema; /* Non-Recoverable Mem log A */
u16 nrecmemb; /* Non-Recoverable Mem log B */
u32 nrecmemb; /* Non-Recoverable Mem log B */
};
@ -407,7 +407,7 @@ static void i5000_get_error_info(struct mem_ctl_info *mci,
NERR_FAT_FBD, &info->nerr_fat_fbd);
pci_read_config_word(pvt->branchmap_werrors,
NRECMEMA, &info->nrecmema);
pci_read_config_word(pvt->branchmap_werrors,
pci_read_config_dword(pvt->branchmap_werrors,
NRECMEMB, &info->nrecmemb);
/* Clear the error bits, by writing them back */
@ -1293,7 +1293,7 @@ static int i5000_init_csrows(struct mem_ctl_info *mci)
dimm->mtype = MEM_FB_DDR2;
/* ask what device type on this row */
if (MTR_DRAM_WIDTH(mtr))
if (MTR_DRAM_WIDTH(mtr) == 8)
dimm->dtype = DEV_X8;
else
dimm->dtype = DEV_X4;

9
drivers/edac/i5400_edac.c
View file

@ -368,7 +368,7 @@ struct i5400_error_info {
/* These registers are input ONLY if there was a Non-Rec Error */
u16 nrecmema; /* Non-Recoverable Mem log A */
u16 nrecmemb; /* Non-Recoverable Mem log B */
u32 nrecmemb; /* Non-Recoverable Mem log B */
};
@ -458,7 +458,7 @@ static void i5400_get_error_info(struct mem_ctl_info *mci,
NERR_FAT_FBD, &info->nerr_fat_fbd);
pci_read_config_word(pvt->branchmap_werrors,
NRECMEMA, &info->nrecmema);
pci_read_config_word(pvt->branchmap_werrors,
pci_read_config_dword(pvt->branchmap_werrors,
NRECMEMB, &info->nrecmemb);
/* Clear the error bits, by writing them back */
@ -1207,13 +1207,14 @@ static int i5400_init_dimms(struct mem_ctl_info *mci)
dimm->nr_pages = size_mb << 8;
dimm->grain = 8;
dimm->dtype = MTR_DRAM_WIDTH(mtr) ? DEV_X8 : DEV_X4;
dimm->dtype = MTR_DRAM_WIDTH(mtr) == 8 ?
DEV_X8 : DEV_X4;
dimm->mtype = MEM_FB_DDR2;
/*
* The eccc mechanism is SDDC (aka SECC), with
* is similar to Chipkill.
*/
dimm->edac_mode = MTR_DRAM_WIDTH(mtr) ?
dimm->edac_mode = MTR_DRAM_WIDTH(mtr) == 8 ?
EDAC_S8ECD8ED : EDAC_S4ECD4ED;
ndimms++;
}

3
drivers/firmware/efi/efi.c
View file

@ -115,8 +115,7 @@ static ssize_t systab_show(struct kobject *kobj,
return str - buf;
}
static struct kobj_attribute efi_attr_systab =
__ATTR(systab, 0400, systab_show, NULL);
static struct kobj_attribute efi_attr_systab = __ATTR_RO_MODE(systab, 0400);
#define EFI_FIELD(var) efi.var

15
drivers/firmware/efi/esrt.c
View file

@ -105,7 +105,7 @@ static const struct sysfs_ops esre_attr_ops = {
};
/* Generic ESRT Entry ("ESRE") support. */
static ssize_t esre_fw_class_show(struct esre_entry *entry, char *buf)
static ssize_t fw_class_show(struct esre_entry *entry, char *buf)
{
char *str = buf;
@ -116,18 +116,16 @@ static ssize_t esre_fw_class_show(struct esre_entry *entry, char *buf)
return str - buf;
}
static struct esre_attribute esre_fw_class = __ATTR(fw_class, 0400,
esre_fw_class_show, NULL);
static struct esre_attribute esre_fw_class = __ATTR_RO_MODE(fw_class, 0400);
#define esre_attr_decl(name, size, fmt) \
static ssize_t esre_##name##_show(struct esre_entry *entry, char *buf) \
static ssize_t name##_show(struct esre_entry *entry, char *buf) \
{ \
return sprintf(buf, fmt "\n", \
le##size##_to_cpu(entry->esre.esre1->name)); \
} \
\
static struct esre_attribute esre_##name = __ATTR(name, 0400, \
esre_##name##_show, NULL)
static struct esre_attribute esre_##name = __ATTR_RO_MODE(name, 0400)
esre_attr_decl(fw_type, 32, "%u");
esre_attr_decl(fw_version, 32, "%u");
@ -195,14 +193,13 @@ static int esre_create_sysfs_entry(void *esre, int entry_num)
/* support for displaying ESRT fields at the top level */
#define esrt_attr_decl(name, size, fmt) \
static ssize_t esrt_##name##_show(struct kobject *kobj, \
static ssize_t name##_show(struct kobject *kobj, \
struct kobj_attribute *attr, char *buf)\
{ \
return sprintf(buf, fmt "\n", le##size##_to_cpu(esrt->name)); \
} \
\
static struct kobj_attribute esrt_##name = __ATTR(name, 0400, \
esrt_##name##_show, NULL)
static struct kobj_attribute esrt_##name = __ATTR_RO_MODE(name, 0400)
esrt_attr_decl(fw_resource_count, 32, "%u");
esrt_attr_decl(fw_resource_count_max, 32, "%u");

10
drivers/firmware/efi/runtime-map.c
View file

@ -67,11 +67,11 @@ static ssize_t map_attr_show(struct kobject *kobj, struct attribute *attr,
return map_attr->show(entry, buf);
}
static struct map_attribute map_type_attr = __ATTR_RO(type);
static struct map_attribute map_phys_addr_attr = __ATTR_RO(phys_addr);
static struct map_attribute map_virt_addr_attr = __ATTR_RO(virt_addr);
static struct map_attribute map_num_pages_attr = __ATTR_RO(num_pages);
static struct map_attribute map_attribute_attr = __ATTR_RO(attribute);
static struct map_attribute map_type_attr = __ATTR_RO_MODE(type, 0400);
static struct map_attribute map_phys_addr_attr = __ATTR_RO_MODE(phys_addr, 0400);
static struct map_attribute map_virt_addr_attr = __ATTR_RO_MODE(virt_addr, 0400);
static struct map_attribute map_num_pages_attr = __ATTR_RO_MODE(num_pages, 0400);
static struct map_attribute map_attribute_attr = __ATTR_RO_MODE(attribute, 0400);
/*
* These are default attributes that are added for every memmap entry.

26
drivers/gpio/gpio-altera.c
View file

@ -94,21 +94,18 @@ static int altera_gpio_irq_set_type(struct irq_data *d,
altera_gc = to_altera(irq_data_get_irq_chip_data(d));
if (type == IRQ_TYPE_NONE)
if (type == IRQ_TYPE_NONE) {
irq_set_handler_locked(d, handle_bad_irq);
return 0;
if (type == IRQ_TYPE_LEVEL_HIGH &&
altera_gc->interrupt_trigger == IRQ_TYPE_LEVEL_HIGH)
}
if (type == altera_gc->interrupt_trigger) {
if (type == IRQ_TYPE_LEVEL_HIGH)
irq_set_handler_locked(d, handle_level_irq);
else
irq_set_handler_locked(d, handle_simple_irq);
return 0;
if (type == IRQ_TYPE_EDGE_RISING &&
altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_RISING)
return 0;
if (type == IRQ_TYPE_EDGE_FALLING &&
altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_FALLING)
return 0;
if (type == IRQ_TYPE_EDGE_BOTH &&
altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_BOTH)
return 0;
}
irq_set_handler_locked(d, handle_bad_irq);
return -EINVAL;
}
@ -234,7 +231,6 @@ static void altera_gpio_irq_edge_handler(struct irq_desc *desc)
chained_irq_exit(chip, desc);
}
static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc)
{
struct altera_gpio_chip *altera_gc;
@ -314,7 +310,7 @@ static int altera_gpio_probe(struct platform_device *pdev)
altera_gc->interrupt_trigger = reg;
ret = gpiochip_irqchip_add(&altera_gc->mmchip.gc, &altera_irq_chip, 0,
handle_simple_irq, IRQ_TYPE_NONE);
handle_bad_irq, IRQ_TYPE_NONE);
if (ret) {
dev_info(&pdev->dev, "could not add irqchip\n");

5
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View file

@ -1760,8 +1760,11 @@ int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon)
}
r = amdgpu_late_init(adev);
if (r)
if (r) {
if (fbcon)
console_unlock();
return r;
}
/* pin cursors */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {

2
drivers/gpu/drm/armada/Makefile
View file

@ -4,5 +4,3 @@ armada-y += armada_510.o
armada-$(CONFIG_DEBUG_FS) += armada_debugfs.o
obj-$(CONFIG_DRM_ARMADA) := armada.o
CFLAGS_armada_trace.o := -I$(src)

9
drivers/gpu/drm/exynos/exynos_drm_gem.c
View file

@ -245,6 +245,15 @@ struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev,
if (IS_ERR(exynos_gem))
return exynos_gem;
if (!is_drm_iommu_supported(dev) && (flags & EXYNOS_BO_NONCONTIG)) {
/*
* when no IOMMU is available, all allocated buffers are
* contiguous anyway, so drop EXYNOS_BO_NONCONTIG flag
*/
flags &= ~EXYNOS_BO_NONCONTIG;
DRM_WARN("Non-contiguous allocation is not supported without IOMMU, falling back to contiguous buffer\n");
}
/* set memory type and cache attribute from user side. */
exynos_gem->flags = flags;

4
drivers/hid/Kconfig
View file

@ -165,11 +165,11 @@ config HID_CHERRY
Support for Cherry Cymotion keyboard.
config HID_CHICONY
tristate "Chicony Tactical pad"
tristate "Chicony devices"
depends on HID
default !EXPERT
---help---
Support for Chicony Tactical pad.
Support for Chicony Tactical pad and special keys on Chicony keyboards.
config HID_CORSAIR
tristate "Corsair devices"

1
drivers/hid/hid-chicony.c
View file

@ -86,6 +86,7 @@ static const struct hid_device_id ch_devices[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ }
};
MODULE_DEVICE_TABLE(hid, ch_devices);

1
drivers/hid/hid-core.c
View file

@ -1869,6 +1869,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },

1
drivers/hid/hid-ids.h
View file

@ -523,6 +523,7 @@
#define USB_VENDOR_ID_JESS 0x0c45
#define USB_DEVICE_ID_JESS_YUREX 0x1010
#define USB_DEVICE_ID_JESS_ZEN_AIO_KBD 0x5112
#define USB_VENDOR_ID_JESS2 0x0f30
#define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111

6
drivers/i2c/busses/i2c-riic.c
View file

@ -218,8 +218,12 @@ static irqreturn_t riic_tend_isr(int irq, void *data)
}
if (riic->is_last || riic->err) {
riic_clear_set_bit(riic, 0, ICIER_SPIE, RIIC_ICIER);
riic_clear_set_bit(riic, ICIER_TEIE, ICIER_SPIE, RIIC_ICIER);
writeb(ICCR2_SP, riic->base + RIIC_ICCR2);
} else {
/* Transfer is complete, but do not send STOP */
riic_clear_set_bit(riic, ICIER_TEIE, 0, RIIC_ICIER);
complete(&riic->msg_done);
}
return IRQ_HANDLED;

2
drivers/infiniband/hw/mlx4/qp.c
View file

@ -1564,7 +1564,7 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
context->mtu_msgmax = (IB_MTU_4096 << 5) |
ilog2(dev->dev->caps.max_gso_sz);
else
context->mtu_msgmax = (IB_MTU_4096 << 5) | 12;
context->mtu_msgmax = (IB_MTU_4096 << 5) | 13;
} else if (attr_mask & IB_QP_PATH_MTU) {
if (attr->path_mtu < IB_MTU_256 || attr->path_mtu > IB_MTU_4096) {
pr_err("path MTU (%u) is invalid\n",

2
drivers/infiniband/hw/mlx5/main.c
View file

@ -1123,6 +1123,8 @@ static int create_umr_res(struct mlx5_ib_dev *dev)
qp->real_qp = qp;
qp->uobject = NULL;
qp->qp_type = MLX5_IB_QPT_REG_UMR;
qp->send_cq = init_attr->send_cq;
qp->recv_cq = init_attr->recv_cq;
attr->qp_state = IB_QPS_INIT;
attr->port_num = 1;

8
drivers/iommu/intel-iommu.c
View file

@ -2201,10 +2201,12 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
uint64_t tmp;
if (!sg_res) {
unsigned int pgoff = sg->offset & ~PAGE_MASK;
sg_res = aligned_nrpages(sg->offset, sg->length);
sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + sg->offset;
sg->dma_address = ((dma_addr_t)iov_pfn << VTD_PAGE_SHIFT) + pgoff;
sg->dma_length = sg->length;
pteval = page_to_phys(sg_page(sg)) | prot;
pteval = (sg_phys(sg) - pgoff) | prot;
phys_pfn = pteval >> VTD_PAGE_SHIFT;
}
@ -3757,7 +3759,7 @@ static int intel_nontranslate_map_sg(struct device *hddev,
for_each_sg(sglist, sg, nelems, i) {
BUG_ON(!sg_page(sg));
sg->dma_address = page_to_phys(sg_page(sg)) + sg->offset;
sg->dma_address = sg_phys(sg);
sg->dma_length = sg->length;
}
return nelems;

8
drivers/irqchip/irq-crossbar.c
View file

@ -199,7 +199,7 @@ static const struct irq_domain_ops crossbar_domain_ops = {
static int __init crossbar_of_init(struct device_node *node)
{
int i, size, reserved = 0;
u32 max = 0, entry;
u32 max = 0, entry, reg_size;
const __be32 *irqsr;
int ret = -ENOMEM;
@ -276,9 +276,9 @@ static int __init crossbar_of_init(struct device_node *node)
if (!cb->register_offsets)
goto err_irq_map;
of_property_read_u32(node, "ti,reg-size", &size);
of_property_read_u32(node, "ti,reg-size", &reg_size);
switch (size) {
switch (reg_size) {
case 1:
cb->write = crossbar_writeb;
break;
@ -304,7 +304,7 @@ static int __init crossbar_of_init(struct device_node *node)
continue;
cb->register_offsets[i] = reserved;
reserved += size;
reserved += reg_size;
}
of_property_read_u32(node, "ti,irqs-safe-map", &cb->safe_map);

16
drivers/media/usb/dvb-usb/dibusb-common.c
View file

@ -179,8 +179,20 @@ EXPORT_SYMBOL(dibusb_i2c_algo);
int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val)
{
u8 wbuf[1] = { offs };
return dibusb_i2c_msg(d, 0x50, wbuf, 1, val, 1);
u8 *buf;
int rc;
buf = kmalloc(2, GFP_KERNEL);
if (!buf)
return -ENOMEM;
buf[0] = offs;
rc = dibusb_i2c_msg(d, 0x50, &buf[0], 1, &buf[1], 1);
*val = buf[1];
kfree(buf);
return rc;
}
EXPORT_SYMBOL(dibusb_read_eeprom_byte);

4
drivers/memory/omap-gpmc.c
View file

@ -1890,9 +1890,7 @@ static int gpmc_probe_onenand_child(struct platform_device *pdev,
if (!of_property_read_u32(child, "dma-channel", &val))
gpmc_onenand_data->dma_channel = val;
gpmc_onenand_init(gpmc_onenand_data);
return 0;
return gpmc_onenand_init(gpmc_onenand_data);
}
#else
static int gpmc_probe_onenand_child(struct platform_device *pdev,

3
drivers/net/can/ti_hecc.c
View file

@ -652,6 +652,9 @@ static int ti_hecc_rx_poll(struct napi_struct *napi, int quota)
mbx_mask = hecc_read(priv, HECC_CANMIM);
mbx_mask |= HECC_TX_MBOX_MASK;
hecc_write(priv, HECC_CANMIM, mbx_mask);
} else {
/* repoll is done only if whole budget is used */
num_pkts = quota;
}
return num_pkts;

2
drivers/net/can/usb/ems_usb.c
View file

@ -290,6 +290,8 @@ static void ems_usb_read_interrupt_callback(struct urb *urb)
case -ECONNRESET: /* unlink */
case -ENOENT:
case -EPIPE:
case -EPROTO:
case -ESHUTDOWN:
return;

2
drivers/net/can/usb/esd_usb2.c
View file

@ -393,6 +393,8 @@ static void esd_usb2_read_bulk_callback(struct urb *urb)
break;
case -ENOENT:
case -EPIPE:
case -EPROTO:
case -ESHUTDOWN:
return;

13
drivers/net/can/usb/kvaser_usb.c
View file

@ -603,8 +603,8 @@ static int kvaser_usb_wait_msg(const struct kvaser_usb *dev, u8 id,
}
if (pos + tmp->len > actual_len) {
dev_err(dev->udev->dev.parent,
"Format error\n");
dev_err_ratelimited(dev->udev->dev.parent,
"Format error\n");
break;
}
@ -809,6 +809,7 @@ static int kvaser_usb_simple_msg_async(struct kvaser_usb_net_priv *priv,
if (err) {
netdev_err(netdev, "Error transmitting URB\n");
usb_unanchor_urb(urb);
kfree(buf);
usb_free_urb(urb);
return err;
}
@ -1321,6 +1322,8 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
case 0:
break;
case -ENOENT:
case -EPIPE:
case -EPROTO:
case -ESHUTDOWN:
return;
default:
@ -1329,7 +1332,7 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
goto resubmit_urb;
}
while (pos <= urb->actual_length - MSG_HEADER_LEN) {
while (pos <= (int)(urb->actual_length - MSG_HEADER_LEN)) {
msg = urb->transfer_buffer + pos;
/* The Kvaser firmware can only read and write messages that
@ -1348,7 +1351,8 @@ static void kvaser_usb_read_bulk_callback(struct urb *urb)
}
if (pos + msg->len > urb->actual_length) {
dev_err(dev->udev->dev.parent, "Format error\n");
dev_err_ratelimited(dev->udev->dev.parent,
"Format error\n");
break;
}
@ -1767,6 +1771,7 @@ static netdev_tx_t kvaser_usb_start_xmit(struct sk_buff *skb,
spin_unlock_irqrestore(&priv->tx_contexts_lock, flags);
usb_unanchor_urb(urb);
kfree(buf);
stats->tx_dropped++;

2
drivers/net/can/usb/usb_8dev.c
View file

@ -524,6 +524,8 @@ static void usb_8dev_read_bulk_callback(struct urb *urb)
break;
case -ENOENT:
case -EPIPE:
case -EPROTO:
case -ESHUTDOWN:
return;

20
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View file

@ -13646,7 +13646,7 @@ static int bnx2x_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb)
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP adjfreq called while the interface is down\n");
return -EFAULT;
return -ENETDOWN;
}
if (ppb < 0) {
@ -13705,6 +13705,12 @@ static int bnx2x_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta)
{
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP adjtime called while the interface is down\n");
return -ENETDOWN;
}
DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta);
timecounter_adjtime(&bp->timecounter, delta);
@ -13717,6 +13723,12 @@ static int bnx2x_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP gettime called while the interface is down\n");
return -ENETDOWN;
}
ns = timecounter_read(&bp->timecounter);
DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns);
@ -13732,6 +13744,12 @@ static int bnx2x_ptp_settime(struct ptp_clock_info *ptp,
struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info);
u64 ns;
if (!netif_running(bp->dev)) {
DP(BNX2X_MSG_PTP,
"PTP settime called while the interface is down\n");
return -ENETDOWN;
}
ns = timespec64_to_ns(ts);
DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns);

8
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
View file

@ -434,7 +434,9 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp,
/* Add/Remove the filter */
rc = bnx2x_config_vlan_mac(bp, &ramrod);
if (rc && rc != -EEXIST) {
if (rc == -EEXIST)
return 0;
if (rc) {
BNX2X_ERR("Failed to %s %s\n",
filter->add ? "add" : "delete",
(filter->type == BNX2X_VF_FILTER_VLAN_MAC) ?
@ -444,6 +446,8 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp,
return rc;
}
filter->applied = true;
return 0;
}
@ -471,6 +475,8 @@ int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf,
BNX2X_ERR("Managed only %d/%d filters - rolling back\n",
i, filters->count + 1);
while (--i >= 0) {
if (!filters->filters[i].applied)
continue;
filters->filters[i].add = !filters->filters[i].add;
bnx2x_vf_mac_vlan_config(bp, vf, qid,
&filters->filters[i],

1
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
View file

@ -114,6 +114,7 @@ struct bnx2x_vf_mac_vlan_filter {
(BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/
bool add;
bool applied;
u8 *mac;
u16 vid;
};

23
drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
View file

@ -868,7 +868,7 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev)
struct bnx2x *bp = netdev_priv(dev);
struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters;
struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp;
int rc, i = 0;
int rc = 0, i = 0;
struct netdev_hw_addr *ha;
if (bp->state != BNX2X_STATE_OPEN) {
@ -883,6 +883,15 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev)
/* Get Rx mode requested */
DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags);
/* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */
if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) {
DP(NETIF_MSG_IFUP,
"VF supports not more than %d multicast MAC addresses\n",
PFVF_MAX_MULTICAST_PER_VF);
rc = -EINVAL;
goto out;
}
netdev_for_each_mc_addr(ha, dev) {
DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n",
bnx2x_mc_addr(ha));
@ -890,16 +899,6 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev)
i++;
}
/* We support four PFVF_MAX_MULTICAST_PER_VF mcast
* addresses tops
*/
if (i >= PFVF_MAX_MULTICAST_PER_VF) {
DP(NETIF_MSG_IFUP,
"VF supports not more than %d multicast MAC addresses\n",
PFVF_MAX_MULTICAST_PER_VF);
return -EINVAL;
}
req->n_multicast = i;
req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED;
req->vf_qid = 0;
@ -924,7 +923,7 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev)
out:
bnx2x_vfpf_finalize(bp, &req->first_tlv);
return 0;
return rc;
}
/* request pf to add a vlan for the vf */

2
drivers/net/ipvlan/ipvlan_core.c
View file

@ -388,7 +388,7 @@ static int ipvlan_process_v6_outbound(struct sk_buff *skb)
struct dst_entry *dst;
int err, ret = NET_XMIT_DROP;
struct flowi6 fl6 = {
.flowi6_iif = dev->ifindex,
.flowi6_oif = dev->ifindex,
.daddr = ip6h->daddr,
.saddr = ip6h->saddr,
.flowi6_flags = FLOWI_FLAG_ANYSRC,

1
drivers/net/phy/spi_ks8995.c
View file

@ -310,6 +310,7 @@ static int ks8995_probe(struct spi_device *spi)
if (err)
return err;
sysfs_attr_init(&ks->regs_attr.attr);
err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr);
if (err) {
dev_err(&spi->dev, "unable to create sysfs file, err=%d\n",

5
drivers/net/wireless/mac80211_hwsim.c
View file

@ -2885,6 +2885,7 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
{
struct hwsim_new_radio_params param = { 0 };
const char *hwname = NULL;
int ret;
param.reg_strict = info->attrs[HWSIM_ATTR_REG_STRICT_REG];
param.p2p_device = info->attrs[HWSIM_ATTR_SUPPORT_P2P_DEVICE];
@ -2924,7 +2925,9 @@ static int hwsim_new_radio_nl(struct sk_buff *msg, struct genl_info *info)
param.regd = hwsim_world_regdom_custom[idx];
}
return mac80211_hwsim_new_radio(info, &param);
ret = mac80211_hwsim_new_radio(info, &param);
kfree(hwname);
return ret;
}
static int hwsim_del_radio_nl(struct sk_buff *msg, struct genl_info *info)

14
drivers/scsi/lpfc/lpfc_els.c
View file

@ -7887,11 +7887,17 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
spin_unlock_irq(shost->host_lock);
if (vport->port_type == LPFC_PHYSICAL_PORT
&& !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG))
lpfc_issue_init_vfi(vport);
else
if (mb->mbxStatus == MBX_NOT_FINISHED)
break;
if ((vport->port_type == LPFC_PHYSICAL_PORT) &&
!(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) {
if (phba->sli_rev == LPFC_SLI_REV4)
lpfc_issue_init_vfi(vport);
else
lpfc_initial_flogi(vport);
} else {
lpfc_initial_fdisc(vport);
}
break;
}
} else {

27
drivers/scsi/storvsc_drv.c
View file

@ -379,8 +379,6 @@ MODULE_PARM_DESC(vcpus_per_sub_channel, "Ratio of VCPUs to subchannels");
*/
static int storvsc_timeout = 180;
static int msft_blist_flags = BLIST_TRY_VPD_PAGES;
static void storvsc_on_channel_callback(void *context);
@ -1241,6 +1239,22 @@ static int storvsc_do_io(struct hv_device *device,
return ret;
}
static int storvsc_device_alloc(struct scsi_device *sdevice)
{
/*
* Set blist flag to permit the reading of the VPD pages even when
* the target may claim SPC-2 compliance. MSFT targets currently
* claim SPC-2 compliance while they implement post SPC-2 features.
* With this flag we can correctly handle WRITE_SAME_16 issues.
*
* Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but
* still supports REPORT LUN.
*/
sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES;
return 0;
}
static int storvsc_device_configure(struct scsi_device *sdevice)
{
@ -1255,14 +1269,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice)
sdevice->no_write_same = 1;
/*
* Add blist flags to permit the reading of the VPD pages even when
* the target may claim SPC-2 compliance. MSFT targets currently
* claim SPC-2 compliance while they implement post SPC-2 features.
* With this patch we can correctly handle WRITE_SAME_16 issues.
*/
sdevice->sdev_bflags |= msft_blist_flags;
/*
* If the host is WIN8 or WIN8 R2, claim conformance to SPC-3
* if the device is a MSFT virtual device. If the host is
@ -1529,6 +1535,7 @@ static struct scsi_host_template scsi_driver = {
.eh_host_reset_handler = storvsc_host_reset_handler,
.proc_name = "storvsc_host",
.eh_timed_out = storvsc_eh_timed_out,
.slave_alloc = storvsc_device_alloc,
.slave_configure = storvsc_device_configure,
.cmd_per_lun = 255,
.this_id = -1,

1
drivers/spi/Kconfig
View file

@ -315,7 +315,6 @@ config SPI_FSL_SPI
config SPI_FSL_DSPI
tristate "Freescale DSPI controller"
select REGMAP_MMIO
depends on HAS_DMA
depends on SOC_VF610 || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
help
This enables support for the Freescale DSPI controller in master

1
drivers/usb/gadget/configfs.c
View file

@ -313,6 +313,7 @@ static ssize_t gadget_dev_desc_UDC_store(struct config_item *item,
ret = unregister_gadget(gi);
if (ret)
goto err;
kfree(name);
} else {
if (gi->udc_name) {
ret = -EBUSY;

2
drivers/usb/gadget/function/f_fs.c
View file

@ -924,7 +924,7 @@ retry:
}
if (io_data->aio) {
req = usb_ep_alloc_request(ep->ep, GFP_KERNEL);
req = usb_ep_alloc_request(ep->ep, GFP_ATOMIC);
if (unlikely(!req))
goto error_lock;

4
drivers/usb/gadget/legacy/inode.c
View file

@ -1837,8 +1837,10 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
spin_lock_irq (&dev->lock);
value = -EINVAL;
if (dev->buf)
if (dev->buf) {
kfree(kbuf);
goto fail;
}
dev->buf = kbuf;
/* full or low speed config */

2
drivers/virtio/virtio.c
View file

@ -323,6 +323,8 @@ int register_virtio_device(struct virtio_device *dev)
/* device_register() causes the bus infrastructure to look for a
* matching driver. */
err = device_register(&dev->dev);
if (err)
ida_simple_remove(&virtio_index_ida, dev->index);
out:
if (err)
add_status(dev, VIRTIO_CONFIG_S_FAILED);

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