evie/android_kernel_oneplus_msm8998
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Merge android-4.4@d6fbbe5 (v4.4.93) into msm-4.4

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* refs/heads/tmp-d6fbbe5
  Linux 4.4.93
  x86/alternatives: Fix alt_max_short macro to really be a max()
  USB: serial: console: fix use-after-free after failed setup
  USB: serial: qcserial: add Dell DW5818, DW5819
  USB: serial: option: add support for TP-Link LTE module
  USB: serial: cp210x: add support for ELV TFD500
  USB: serial: ftdi_sio: add id for Cypress WICED dev board
  fix unbalanced page refcounting in bio_map_user_iov
  direct-io: Prevent NULL pointer access in submit_page_section
  usb: gadget: composite: Fix use-after-free in usb_composite_overwrite_options
  ALSA: line6: Fix leftover URB at error-path during probe
  ALSA: caiaq: Fix stray URB at probe error path
  ALSA: seq: Fix copy_from_user() call inside lock
  ALSA: seq: Fix use-after-free at creating a port
  ALSA: usb-audio: Kill stray URB at exiting
  iommu/amd: Finish TLB flush in amd_iommu_unmap()
  usb: renesas_usbhs: Fix DMAC sequence for receiving zero-length packet
  KVM: nVMX: fix guest CR4 loading when emulating L2 to L1 exit
  crypto: shash - Fix zero-length shash ahash digest crash
  HID: usbhid: fix out-of-bounds bug
  dmaengine: edma: Align the memcpy acnt array size with the transfer
  MIPS: math-emu: Remove pr_err() calls from fpu_emu()
  USB: dummy-hcd: Fix deadlock caused by disconnect detection
  rcu: Allow for page faults in NMI handlers
  iwlwifi: mvm: use IWL_HCMD_NOCOPY for MCAST_FILTER_CMD
  nl80211: Define policy for packet pattern attributes
  CIFS: Reconnect expired SMB sessions
  ext4: in ext4_seek_{hole,data}, return -ENXIO for negative offsets
  brcmfmac: add length check in brcmf_cfg80211_escan_handler()
  ANDROID: HACK: arm64: use -mno-implicit-float instead of -mgeneral-regs-only
  sched: Update task->on_rq when tasks are moving between runqueues
  FROMLIST: f2fs: expose some sectors to user in inline data or dentry case
  crypto: Work around deallocated stack frame reference gcc bug on sparc.
  UPSTREAM: f2fs: fix potential panic during fstrim
  ANDROID: fscrypt: remove unnecessary fscrypto.h
  ANDROID: binder: fix node sched policy calculation
  ANDROID: Kbuild, LLVMLinux: allow overriding clang target triple
  CHROMIUM: arm64: Disable asm-operand-width warning for clang
  CHROMIUM: kbuild: clang: Disable the 'duplicate-decl-specifier' warning
  UPSTREAM: x86/build: Use cc-option to validate stack alignment parameter
  UPSTREAM: x86/build: Fix stack alignment for CLang
  UPSTREAM: efi/libstub/arm64: Set -fpie when building the EFI stub
  BACKPORT: efi/libstub/arm64: Force 'hidden' visibility for section markers
  UPSTREAM: compiler, clang: always inline when CONFIG_OPTIMIZE_INLINING is disabled
  UPSTREAM: x86/boot: #undef memcpy() et al in string.c
  UPSTREAM: crypto: arm64/sha - avoid non-standard inline asm tricks
  UPSTREAM: kbuild: clang: Disable 'address-of-packed-member' warning
  UPSTREAM: x86/build: Specify stack alignment for clang
  UPSTREAM: x86/build: Use __cc-option for boot code compiler options
  BACKPORT: kbuild: Add __cc-option macro
  UPSTREAM: x86/hweight: Don't clobber %rdi
  BACKPORT: x86/hweight: Get rid of the special calling convention
  BACKPORT: x86/mm/kaslr: Use the _ASM_MUL macro for multiplication to work around Clang incompatibility
  UPSTREAM: crypto, x86: aesni - fix token pasting for clang
  UPSTREAM: x86/kbuild: Use cc-option to enable -falign-{jumps/loops}
  UPSTREAM: compiler, clang: properly override 'inline' for clang
  UPSTREAM: compiler, clang: suppress warning for unused static inline functions
  UPSTREAM: Kbuild: provide a __UNIQUE_ID for clang
  UPSTREAM: modules: mark __inittest/__exittest as __maybe_unused
  BACKPORT: kbuild: Add support to generate LLVM assembly files
  UPSTREAM: kbuild: use -Oz instead of -Os when using clang
  BACKPORT: kbuild, LLVMLinux: Add -Werror to cc-option to support clang
  UPSTREAM: kbuild: drop -Wno-unknown-warning-option from clang options
  UPSTREAM: kbuild: fix asm-offset generation to work with clang
  UPSTREAM: kbuild: consolidate redundant sed script ASM offset generation
  UPSTREAM: kbuild: Consolidate header generation from ASM offset information
  UPSTREAM: kbuild: clang: add -no-integrated-as to KBUILD_[AC]FLAGS
  UPSTREAM: kbuild: Add better clang cross build support

Conflicts:
	arch/x86/lib/Makefile
	net/wireless/nl80211.c

Change-Id: I76032e8d1206903bc948b9ed918e7ddee7e746c7
Signed-off-by: Blagovest Kolenichev <bkolenichev@codeaurora.org>
This commit is contained in:
Blagovest Kolenichev 2017-10-20 05:23:23 -07:00
commit f9719b203c
80 changed files with 531 additions and 624 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
.gitignore vendored
View file

@ -33,6 +33,7 @@
*.lzo
*.patch
*.gcno
*.ll
modules.builtin
Module.symvers
*.dwo

25
Kbuild
View file

@ -6,31 +6,6 @@
# 3) Generate asm-offsets.h (may need bounds.h and timeconst.h)
# 4) Check for missing system calls
# Default sed regexp - multiline due to syntax constraints
define sed-y
"/^->/{s:->#\(.*\):/* \1 */:; \
s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
s:->::; p;}"
endef
# Use filechk to avoid rebuilds when a header changes, but the resulting file
# does not
define filechk_offsets
(set -e; \
echo "#ifndef $2"; \
echo "#define $2"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
echo " * This file was generated by Kbuild"; \
echo " */"; \
echo ""; \
sed -ne $(sed-y); \
echo ""; \
echo "#endif" )
endef
#####
# 1) Generate bounds.h

26
Makefile
View file

@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 4
SUBLEVEL = 92
SUBLEVEL = 93
EXTRAVERSION =
NAME = Blurry Fish Butt
@ -301,7 +301,7 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
HOSTCFLAGS := -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89
HOSTCXXFLAGS = -O2
ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1)
@ -628,7 +628,7 @@ KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
KBUILD_CFLAGS += $(call cc-disable-warning, int-in-bool-context)
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os
KBUILD_CFLAGS += $(call cc-option,-Oz,-Os)
else
ifdef CONFIG_PROFILE_ALL_BRANCHES
KBUILD_CFLAGS += -O2
@ -698,11 +698,22 @@ endif
KBUILD_CFLAGS += $(stackp-flag)
ifeq ($(cc-name),clang)
ifneq ($(CROSS_COMPILE),)
CLANG_TRIPLE ?= $(CROSS_COMPILE)
CLANG_TARGET := -target $(notdir $(CLANG_TRIPLE:%-=%))
GCC_TOOLCHAIN := $(realpath $(dir $(shell which $(LD)))/..)
endif
ifneq ($(GCC_TOOLCHAIN),)
CLANG_GCC_TC := -gcc-toolchain $(GCC_TOOLCHAIN)
endif
KBUILD_CFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
KBUILD_AFLAGS += $(CLANG_TARGET) $(CLANG_GCC_TC)
KBUILD_CPPFLAGS += $(call cc-option,-Qunused-arguments,)
KBUILD_CPPFLAGS += $(call cc-option,-Wno-unknown-warning-option,)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-variable)
KBUILD_CFLAGS += $(call cc-disable-warning, format-invalid-specifier)
KBUILD_CFLAGS += $(call cc-disable-warning, gnu)
KBUILD_CFLAGS += $(call cc-disable-warning, address-of-packed-member)
KBUILD_CFLAGS += $(call cc-disable-warning, duplicate-decl-specifier)
# Quiet clang warning: comparison of unsigned expression < 0 is always false
KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# CLANG uses a _MergedGlobals as optimization, but this breaks modpost, as the
@ -710,6 +721,8 @@ KBUILD_CFLAGS += $(call cc-disable-warning, tautological-compare)
# See modpost pattern 2
KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
KBUILD_CFLAGS += $(call cc-option, -no-integrated-as)
KBUILD_AFLAGS += $(call cc-option, -no-integrated-as)
else
# These warnings generated too much noise in a regular build.
@ -1286,6 +1299,8 @@ help:
@echo ' (default: $$(INSTALL_MOD_PATH)/lib/firmware)'
@echo ' dir/ - Build all files in dir and below'
@echo ' dir/file.[ois] - Build specified target only'
@echo ' dir/file.ll - Build the LLVM assembly file'
@echo ' (requires compiler support for LLVM assembly generation)'
@echo ' dir/file.lst - Build specified mixed source/assembly target only'
@echo ' (requires a recent binutils and recent build (System.map))'
@echo ' dir/file.ko - Build module including final link'
@ -1461,6 +1476,7 @@ clean: $(clean-dirs)
-o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \
-o -name '*.symtypes' -o -name 'modules.order' \
-o -name modules.builtin -o -name '.tmp_*.o.*' \
-o -name '*.ll' \
-o -name '*.gcno' \) -type f -print | xargs rm -f
# Generate tags for editors
@ -1564,6 +1580,8 @@ endif
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.symtypes: %.c prepare scripts FORCE
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
%.ll: %.c prepare scripts FORCE
$(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@)
# Modules
/: prepare scripts FORCE

13
arch/arm64/Makefile
View file

@ -30,7 +30,14 @@ $(warning LSE atomics not supported by binutils)
endif
endif
KBUILD_CFLAGS += -mgeneral-regs-only $(lseinstr)
ifeq ($(cc-name),clang)
# This is a workaround for https://bugs.llvm.org/show_bug.cgi?id=30792.
# TODO: revert when this is fixed in LLVM.
KBUILD_CFLAGS += -mno-implicit-float
else
KBUILD_CFLAGS += -mgeneral-regs-only
endif
KBUILD_CFLAGS += $(lseinstr)
KBUILD_CFLAGS += -fno-pic
KBUILD_CFLAGS += $(call cc-option, -mpc-relative-literal-loads)
KBUILD_CFLAGS += -fno-asynchronous-unwind-tables
@ -66,6 +73,10 @@ else
TEXT_OFFSET := 0x00080000
endif
ifeq ($(cc-name),clang)
KBUILD_CFLAGS += $(call cc-disable-warning, asm-operand-widths)
endif
# KASAN_SHADOW_OFFSET = VA_START + (1 << (VA_BITS - 3)) - (1 << 61)
# in 32-bit arithmetic
KASAN_SHADOW_OFFSET := $(shell printf "0x%08x00000000\n" $$(( \

6
arch/arm64/crypto/sha1-ce-core.S
View file

@ -82,7 +82,8 @@ ENTRY(sha1_ce_transform)
ldr dgb, [x0, #16]
/* load sha1_ce_state::finalize */
ldr w4, [x0, #:lo12:sha1_ce_offsetof_finalize]
ldr_l w4, sha1_ce_offsetof_finalize, x4
ldr w4, [x0, x4]
/* load input */
0: ld1 {v8.4s-v11.4s}, [x1], #64
@ -132,7 +133,8 @@ CPU_LE( rev32 v11.16b, v11.16b )
* the padding is handled by the C code in that case.
*/
cbz x4, 3f
ldr x4, [x0, #:lo12:sha1_ce_offsetof_count]
ldr_l w4, sha1_ce_offsetof_count, x4
ldr x4, [x0, x4]
movi v9.2d, #0
mov x8, #0x80000000
movi v10.2d, #0

11
arch/arm64/crypto/sha1-ce-glue.c
View file

@ -17,9 +17,6 @@
#include <linux/crypto.h>
#include <linux/module.h>
#define ASM_EXPORT(sym, val) \
asm(".globl " #sym "; .set " #sym ", %0" :: "I"(val));
MODULE_DESCRIPTION("SHA1 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
@ -32,6 +29,9 @@ struct sha1_ce_state {
asmlinkage void sha1_ce_transform(struct sha1_ce_state *sst, u8 const *src,
int blocks);
const u32 sha1_ce_offsetof_count = offsetof(struct sha1_ce_state, sst.count);
const u32 sha1_ce_offsetof_finalize = offsetof(struct sha1_ce_state, finalize);
static int sha1_ce_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
@ -52,11 +52,6 @@ static int sha1_ce_finup(struct shash_desc *desc, const u8 *data,
struct sha1_ce_state *sctx = shash_desc_ctx(desc);
bool finalize = !sctx->sst.count && !(len % SHA1_BLOCK_SIZE);
ASM_EXPORT(sha1_ce_offsetof_count,
offsetof(struct sha1_ce_state, sst.count));
ASM_EXPORT(sha1_ce_offsetof_finalize,
offsetof(struct sha1_ce_state, finalize));
/*
* Allow the asm code to perform the finalization if there is no
* partial data and the input is a round multiple of the block size.

6
arch/arm64/crypto/sha2-ce-core.S
View file

@ -88,7 +88,8 @@ ENTRY(sha2_ce_transform)
ld1 {dgav.4s, dgbv.4s}, [x0]
/* load sha256_ce_state::finalize */
ldr w4, [x0, #:lo12:sha256_ce_offsetof_finalize]
ldr_l w4, sha256_ce_offsetof_finalize, x4
ldr w4, [x0, x4]
/* load input */
0: ld1 {v16.4s-v19.4s}, [x1], #64
@ -136,7 +137,8 @@ CPU_LE( rev32 v19.16b, v19.16b )
* the padding is handled by the C code in that case.
*/
cbz x4, 3f
ldr x4, [x0, #:lo12:sha256_ce_offsetof_count]
ldr_l w4, sha256_ce_offsetof_count, x4
ldr x4, [x0, x4]
movi v17.2d, #0
mov x8, #0x80000000
movi v18.2d, #0

13
arch/arm64/crypto/sha2-ce-glue.c
View file

@ -17,9 +17,6 @@
#include <linux/crypto.h>
#include <linux/module.h>
#define ASM_EXPORT(sym, val) \
asm(".globl " #sym "; .set " #sym ", %0" :: "I"(val));
MODULE_DESCRIPTION("SHA-224/SHA-256 secure hash using ARMv8 Crypto Extensions");
MODULE_AUTHOR("Ard Biesheuvel <ard.biesheuvel@linaro.org>");
MODULE_LICENSE("GPL v2");
@ -32,6 +29,11 @@ struct sha256_ce_state {
asmlinkage void sha2_ce_transform(struct sha256_ce_state *sst, u8 const *src,
int blocks);
const u32 sha256_ce_offsetof_count = offsetof(struct sha256_ce_state,
sst.count);
const u32 sha256_ce_offsetof_finalize = offsetof(struct sha256_ce_state,
finalize);
static int sha256_ce_update(struct shash_desc *desc, const u8 *data,
unsigned int len)
{
@ -52,11 +54,6 @@ static int sha256_ce_finup(struct shash_desc *desc, const u8 *data,
struct sha256_ce_state *sctx = shash_desc_ctx(desc);
bool finalize = !sctx->sst.count && !(len % SHA256_BLOCK_SIZE);
ASM_EXPORT(sha256_ce_offsetof_count,
offsetof(struct sha256_ce_state, sst.count));
ASM_EXPORT(sha256_ce_offsetof_finalize,
offsetof(struct sha256_ce_state, finalize));
/*
* Allow the asm code to perform the finalization if there is no
* partial data and the input is a round multiple of the block size.

26
arch/ia64/kernel/Makefile
View file

@ -50,32 +50,10 @@ CFLAGS_traps.o += -mfixed-range=f2-f5,f16-f31
# The gate DSO image is built using a special linker script.
include $(src)/Makefile.gate
# Calculate NR_IRQ = max(IA64_NATIVE_NR_IRQS, XEN_NR_IRQS, ...) based on config
define sed-y
"/^->/{s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; s:->::; p;}"
endef
quiet_cmd_nr_irqs = GEN $@
define cmd_nr_irqs
(set -e; \
echo "#ifndef __ASM_NR_IRQS_H__"; \
echo "#define __ASM_NR_IRQS_H__"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
echo " * This file was generated by Kbuild"; \
echo " *"; \
echo " */"; \
echo ""; \
sed -ne $(sed-y) $<; \
echo ""; \
echo "#endif" ) > $@
endef
# We use internal kbuild rules to avoid the "is up to date" message from make
arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c
$(Q)mkdir -p $(dir $@)
$(call if_changed_dep,cc_s_c)
include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s
$(Q)mkdir -p $(dir $@)
$(call cmd,nr_irqs)
include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s FORCE
$(call filechk,offsets,__ASM_NR_IRQS_H__)

2
arch/mips/math-emu/cp1emu.c
View file

@ -2360,7 +2360,6 @@ dcopuop:
break;
default:
/* Reserved R6 ops */
pr_err("Reserved MIPS R6 CMP.condn.S operation\n");
return SIGILL;
}
}
@ -2434,7 +2433,6 @@ dcopuop:
break;
default:
/* Reserved R6 ops */
pr_err("Reserved MIPS R6 CMP.condn.D operation\n");
return SIGILL;
}
}

5
arch/x86/Kconfig
View file

@ -296,11 +296,6 @@ config X86_32_LAZY_GS
def_bool y
depends on X86_32 && !CC_STACKPROTECTOR
config ARCH_HWEIGHT_CFLAGS
string
default "-fcall-saved-ecx -fcall-saved-edx" if X86_32
default "-fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11" if X86_64
config ARCH_SUPPORTS_UPROBES
def_bool y

39
arch/x86/Makefile
View file

@ -11,6 +11,16 @@ else
KBUILD_DEFCONFIG := $(ARCH)_defconfig
endif
# For gcc stack alignment is specified with -mpreferred-stack-boundary,
# clang has the option -mstack-alignment for that purpose.
ifneq ($(call cc-option, -mpreferred-stack-boundary=4),)
cc_stack_align4 := -mpreferred-stack-boundary=2
cc_stack_align8 := -mpreferred-stack-boundary=3
else ifneq ($(call cc-option, -mstack-alignment=16),)
cc_stack_align4 := -mstack-alignment=4
cc_stack_align8 := -mstack-alignment=8
endif
# How to compile the 16-bit code. Note we always compile for -march=i386;
# that way we can complain to the user if the CPU is insufficient.
#
@ -24,10 +34,11 @@ REALMODE_CFLAGS := $(M16_CFLAGS) -g -Os -D__KERNEL__ \
-DDISABLE_BRANCH_PROFILING \
-Wall -Wstrict-prototypes -march=i386 -mregparm=3 \
-fno-strict-aliasing -fomit-frame-pointer -fno-pic \
-mno-mmx -mno-sse \
$(call cc-option, -ffreestanding) \
$(call cc-option, -fno-stack-protector) \
$(call cc-option, -mpreferred-stack-boundary=2)
-mno-mmx -mno-sse
REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), -ffreestanding)
REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), -fno-stack-protector)
REALMODE_CFLAGS += $(call __cc-option, $(CC), $(REALMODE_CFLAGS), $(cc_stack_align4))
export REALMODE_CFLAGS
# BITS is used as extension for files which are available in a 32 bit
@ -64,8 +75,10 @@ ifeq ($(CONFIG_X86_32),y)
# with nonstandard options
KBUILD_CFLAGS += -fno-pic
# prevent gcc from keeping the stack 16 byte aligned
KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=2)
# Align the stack to the register width instead of using the default
# alignment of 16 bytes. This reduces stack usage and the number of
# alignment instructions.
KBUILD_CFLAGS += $(call cc-option,$(cc_stack_align4))
# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
# a lot more stack due to the lack of sharing of stacklots:
@ -88,10 +101,10 @@ else
KBUILD_CFLAGS += -m64
# Align jump targets to 1 byte, not the default 16 bytes:
KBUILD_CFLAGS += -falign-jumps=1
KBUILD_CFLAGS += $(call cc-option,-falign-jumps=1)
# Pack loops tightly as well:
KBUILD_CFLAGS += -falign-loops=1
KBUILD_CFLAGS += $(call cc-option,-falign-loops=1)
# Don't autogenerate traditional x87 instructions
KBUILD_CFLAGS += $(call cc-option,-mno-80387)
@ -99,8 +112,14 @@ else
KBUILD_CFLAGS += -fno-pic
# Use -mpreferred-stack-boundary=3 if supported.
KBUILD_CFLAGS += $(call cc-option,-mpreferred-stack-boundary=3)
# By default gcc and clang use a stack alignment of 16 bytes for x86.
# However the standard kernel entry on x86-64 leaves the stack on an
# 8-byte boundary. If the compiler isn't informed about the actual
# alignment it will generate extra alignment instructions for the
# default alignment which keep the stack *mis*aligned.
# Furthermore an alignment to the register width reduces stack usage
# and the number of alignment instructions.
KBUILD_CFLAGS += $(call cc-option,$(cc_stack_align8))
# Use -mskip-rax-setup if supported.
KBUILD_CFLAGS += $(call cc-option,-mskip-rax-setup)

2
arch/x86/boot/compressed/aslr.c
View file

@ -94,7 +94,7 @@ static unsigned long get_random_long(void)
}
/* Circular multiply for better bit diffusion */
asm("mul %3"
asm(_ASM_MUL "%3"
: "=a" (random), "=d" (raw)
: "a" (random), "rm" (mix_const));
random += raw;

9
arch/x86/boot/string.c
View file

@ -16,6 +16,15 @@
#include "ctype.h"
#include "string.h"
/*
* Undef these macros so that the functions that we provide
* here will have the correct names regardless of how string.h
* may have chosen to #define them.
*/
#undef memcpy
#undef memset
#undef memcmp
int memcmp(const void *s1, const void *s2, size_t len)
{
u8 diff;

7
arch/x86/crypto/aes_ctrby8_avx-x86_64.S
View file

@ -65,7 +65,6 @@
#include <linux/linkage.h>
#include <asm/inst.h>
#define CONCAT(a,b) a##b
#define VMOVDQ vmovdqu
#define xdata0 %xmm0
@ -92,8 +91,6 @@
#define num_bytes %r8
#define tmp %r10
#define DDQ(i) CONCAT(ddq_add_,i)
#define XMM(i) CONCAT(%xmm, i)
#define DDQ_DATA 0
#define XDATA 1
#define KEY_128 1
@ -131,12 +128,12 @@ ddq_add_8:
/* generate a unique variable for ddq_add_x */
.macro setddq n
var_ddq_add = DDQ(\n)
var_ddq_add = ddq_add_\n
.endm
/* generate a unique variable for xmm register */
.macro setxdata n
var_xdata = XMM(\n)
var_xdata = %xmm\n
.endm
/* club the numeric 'id' to the symbol 'name' */

4
arch/x86/include/asm/alternative-asm.h
View file

@ -62,8 +62,10 @@
#define new_len2 145f-144f
/*
* max without conditionals. Idea adapted from:
* gas compatible max based on the idea from:
* http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax
*
* The additional "-" is needed because gas uses a "true" value of -1.
*/
#define alt_max_short(a, b) ((a) ^ (((a) ^ (b)) & -(-((a) < (b)))))

6
arch/x86/include/asm/alternative.h
View file

@ -102,12 +102,12 @@ static inline int alternatives_text_reserved(void *start, void *end)
alt_end_marker ":\n"
/*
* max without conditionals. Idea adapted from:
* gas compatible max based on the idea from:
* http://graphics.stanford.edu/~seander/bithacks.html#IntegerMinOrMax
*
* The additional "-" is needed because gas works with s32s.
* The additional "-" is needed because gas uses a "true" value of -1.
*/
#define alt_max_short(a, b) "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") - (" b ")))))"
#define alt_max_short(a, b) "((" a ") ^ (((" a ") ^ (" b ")) & -(-((" a ") < (" b ")))))"
/*
* Pad the second replacement alternative with additional NOPs if it is

24
arch/x86/include/asm/arch_hweight.h
View file

@ -2,8 +2,8 @@
#define _ASM_X86_HWEIGHT_H
#ifdef CONFIG_64BIT
/* popcnt %edi, %eax -- redundant REX prefix for alignment */
#define POPCNT32 ".byte 0xf3,0x40,0x0f,0xb8,0xc7"
/* popcnt %edi, %eax */
#define POPCNT32 ".byte 0xf3,0x0f,0xb8,0xc7"
/* popcnt %rdi, %rax */
#define POPCNT64 ".byte 0xf3,0x48,0x0f,0xb8,0xc7"
#define REG_IN "D"
@ -15,19 +15,15 @@
#define REG_OUT "a"
#endif
/*
* __sw_hweightXX are called from within the alternatives below
* and callee-clobbered registers need to be taken care of. See
* ARCH_HWEIGHT_CFLAGS in <arch/x86/Kconfig> for the respective
* compiler switches.
*/
#define __HAVE_ARCH_SW_HWEIGHT
static __always_inline unsigned int __arch_hweight32(unsigned int w)
{
unsigned int res = 0;
unsigned int res;
asm (ALTERNATIVE("call __sw_hweight32", POPCNT32, X86_FEATURE_POPCNT)
: "="REG_OUT (res)
: REG_IN (w));
: "="REG_OUT (res)
: REG_IN (w));
return res;
}
@ -51,11 +47,11 @@ static inline unsigned long __arch_hweight64(__u64 w)
#else
static __always_inline unsigned long __arch_hweight64(__u64 w)
{
unsigned long res = 0;
unsigned long res;
asm (ALTERNATIVE("call __sw_hweight64", POPCNT64, X86_FEATURE_POPCNT)
: "="REG_OUT (res)
: REG_IN (w));
: "="REG_OUT (res)
: REG_IN (w));
return res;
}

1
arch/x86/include/asm/asm.h
View file

@ -32,6 +32,7 @@
#define _ASM_ADD __ASM_SIZE(add)
#define _ASM_SUB __ASM_SIZE(sub)
#define _ASM_XADD __ASM_SIZE(xadd)
#define _ASM_MUL __ASM_SIZE(mul)
#define _ASM_AX __ASM_REG(ax)
#define _ASM_BX __ASM_REG(bx)

2
arch/x86/kernel/i386_ksyms_32.c
View file

@ -42,3 +42,5 @@ EXPORT_SYMBOL(empty_zero_page);
EXPORT_SYMBOL(___preempt_schedule);
EXPORT_SYMBOL(___preempt_schedule_notrace);
#endif
EXPORT_SYMBOL(__sw_hweight32);

3
arch/x86/kernel/x8664_ksyms_64.c
View file

@ -42,6 +42,9 @@ EXPORT_SYMBOL(clear_page);
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(__sw_hweight32);
EXPORT_SYMBOL(__sw_hweight64);
/*
* Export string functions. We normally rely on gcc builtin for most of these,
* but gcc sometimes decides not to inline them.

2
arch/x86/kvm/vmx.c
View file

@ -10369,7 +10369,7 @@ static void load_vmcs12_host_state(struct kvm_vcpu *vcpu,
* (KVM doesn't change it)- no reason to call set_cr4_guest_host_mask();
*/
vcpu->arch.cr4_guest_owned_bits = ~vmcs_readl(CR4_GUEST_HOST_MASK);
kvm_set_cr4(vcpu, vmcs12->host_cr4);
vmx_set_cr4(vcpu, vmcs12->host_cr4);
nested_ept_uninit_mmu_context(vcpu);

2
arch/x86/lib/Makefile
View file

@ -22,7 +22,7 @@ lib-y += memcpy_$(BITS).o
lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o
obj-y += msr.o msr-reg.o msr-reg-export.o hash.o
obj-y += msr.o msr-reg.o msr-reg-export.o hash.o hweight.o
ifeq ($(CONFIG_X86_32),y)
obj-y += atomic64_32.o

79
arch/x86/lib/hweight.S Normal file
View file

@ -0,0 +1,79 @@
#include <linux/linkage.h>
#include <asm/asm.h>
/*
* unsigned int __sw_hweight32(unsigned int w)
* %rdi: w
*/
ENTRY(__sw_hweight32)
#ifdef CONFIG_X86_64
movl %edi, %eax # w
#endif
__ASM_SIZE(push,) %__ASM_REG(dx)
movl %eax, %edx # w -> t
shrl %edx # t >>= 1
andl $0x55555555, %edx # t &= 0x55555555
subl %edx, %eax # w -= t
movl %eax, %edx # w -> t
shrl $2, %eax # w_tmp >>= 2
andl $0x33333333, %edx # t &= 0x33333333
andl $0x33333333, %eax # w_tmp &= 0x33333333
addl %edx, %eax # w = w_tmp + t
movl %eax, %edx # w -> t
shrl $4, %edx # t >>= 4
addl %edx, %eax # w_tmp += t
andl $0x0f0f0f0f, %eax # w_tmp &= 0x0f0f0f0f
imull $0x01010101, %eax, %eax # w_tmp *= 0x01010101
shrl $24, %eax # w = w_tmp >> 24
__ASM_SIZE(pop,) %__ASM_REG(dx)
ret
ENDPROC(__sw_hweight32)
ENTRY(__sw_hweight64)
#ifdef CONFIG_X86_64
pushq %rdi
pushq %rdx
movq %rdi, %rdx # w -> t
movabsq $0x5555555555555555, %rax
shrq %rdx # t >>= 1
andq %rdx, %rax # t &= 0x5555555555555555
movabsq $0x3333333333333333, %rdx
subq %rax, %rdi # w -= t
movq %rdi, %rax # w -> t
shrq $2, %rdi # w_tmp >>= 2
andq %rdx, %rax # t &= 0x3333333333333333
andq %rdi, %rdx # w_tmp &= 0x3333333333333333
addq %rdx, %rax # w = w_tmp + t
movq %rax, %rdx # w -> t
shrq $4, %rdx # t >>= 4
addq %rdx, %rax # w_tmp += t
movabsq $0x0f0f0f0f0f0f0f0f, %rdx
andq %rdx, %rax # w_tmp &= 0x0f0f0f0f0f0f0f0f
movabsq $0x0101010101010101, %rdx
imulq %rdx, %rax # w_tmp *= 0x0101010101010101
shrq $56, %rax # w = w_tmp >> 56
popq %rdx
popq %rdi
ret
#else /* CONFIG_X86_32 */
/* We're getting an u64 arg in (%eax,%edx): unsigned long hweight64(__u64 w) */
pushl %ecx
call __sw_hweight32
movl %eax, %ecx # stash away result
movl %edx, %eax # second part of input
call __sw_hweight32
addl %ecx, %eax # result
popl %ecx
ret
#endif
ENDPROC(__sw_hweight64)

8
block/bio.c
View file

@ -1323,6 +1323,7 @@ struct bio *bio_map_user_iov(struct request_queue *q,
offset = uaddr & ~PAGE_MASK;
for (j = cur_page; j < page_limit; j++) {
unsigned int bytes = PAGE_SIZE - offset;
unsigned short prev_bi_vcnt = bio->bi_vcnt;
if (len <= 0)
break;
@ -1337,6 +1338,13 @@ struct bio *bio_map_user_iov(struct request_queue *q,
bytes)
break;
/*
* check if vector was merged with previous
* drop page reference if needed
*/
if (bio->bi_vcnt == prev_bi_vcnt)
put_page(pages[j]);
len -= bytes;
offset = 0;
}

8
crypto/shash.c
View file

@ -274,12 +274,14 @@ static int shash_async_finup(struct ahash_request *req)
int shash_ahash_digest(struct ahash_request *req, struct shash_desc *desc)
{
struct scatterlist *sg = req->src;
unsigned int offset = sg->offset;
unsigned int nbytes = req->nbytes;
struct scatterlist *sg;
unsigned int offset;
int err;
if (nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset)) {
if (nbytes &&
(sg = req->src, offset = sg->offset,
nbytes < min(sg->length, ((unsigned int)(PAGE_SIZE)) - offset))) {
void *data;
data = kmap_atomic(sg_page(sg));

2
drivers/android/binder.c
View file

@ -1303,7 +1303,7 @@ static struct binder_node *binder_init_node_ilocked(
node->cookie = cookie;
node->work.type = BINDER_WORK_NODE;
priority = flags & FLAT_BINDER_FLAG_PRIORITY_MASK;
node->sched_policy = (flags & FLAT_BINDER_FLAG_PRIORITY_MASK) >>
node->sched_policy = (flags & FLAT_BINDER_FLAG_SCHED_POLICY_MASK) >>
FLAT_BINDER_FLAG_SCHED_POLICY_SHIFT;
node->min_priority = to_kernel_prio(node->sched_policy, priority);
node->accept_fds = !!(flags & FLAT_BINDER_FLAG_ACCEPTS_FDS);

19
drivers/dma/edma.c
View file

@ -1126,11 +1126,24 @@ static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
struct edma_desc *edesc;
struct device *dev = chan->device->dev;
struct edma_chan *echan = to_edma_chan(chan);
unsigned int width, pset_len;
unsigned int width, pset_len, array_size;
if (unlikely(!echan || !len))
return NULL;
/* Align the array size (acnt block) with the transfer properties */
switch (__ffs((src | dest | len))) {
case 0:
array_size = SZ_32K - 1;
break;
case 1:
array_size = SZ_32K - 2;
break;
default:
array_size = SZ_32K - 4;
break;
}
if (len < SZ_64K) {
/*
* Transfer size less than 64K can be handled with one paRAM
@ -1152,7 +1165,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
* When the full_length is multibple of 32767 one slot can be
* used to complete the transfer.
*/
width = SZ_32K - 1;
width = array_size;
pset_len = rounddown(len, width);
/* One slot is enough for lengths multiple of (SZ_32K -1) */
if (unlikely(pset_len == len))
@ -1202,7 +1215,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_memcpy(
}
dest += pset_len;
src += pset_len;
pset_len = width = len % (SZ_32K - 1);
pset_len = width = len % array_size;
ret = edma_config_pset(chan, &edesc->pset[1], src, dest, 1,
width, pset_len, DMA_MEM_TO_MEM);

2
drivers/firmware/efi/libstub/Makefile
View file

@ -10,7 +10,7 @@ cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
-fPIC -fno-strict-aliasing -mno-red-zone \
-mno-mmx -mno-sse
cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS))
cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS)) -fpie
cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \
-fno-builtin -fpic -mno-single-pic-base

10
drivers/firmware/efi/libstub/arm64-stub.c
View file

@ -9,9 +9,17 @@
* published by the Free Software Foundation.
*
*/
/*
* To prevent the compiler from emitting GOT-indirected (and thus absolute)
* references to the section markers, override their visibility as 'hidden'
*/
#pragma GCC visibility push(hidden)
#include <asm/sections.h>
#pragma GCC visibility pop
#include <linux/efi.h>
#include <asm/efi.h>
#include <asm/sections.h>
#include "efistub.h"

12
drivers/hid/usbhid/hid-core.c
View file

@ -971,6 +971,8 @@ static int usbhid_parse(struct hid_device *hid)
unsigned int rsize = 0;
char *rdesc;
int ret, n;
int num_descriptors;
size_t offset = offsetof(struct hid_descriptor, desc);
quirks = usbhid_lookup_quirk(le16_to_cpu(dev->descriptor.idVendor),
le16_to_cpu(dev->descriptor.idProduct));
@ -993,10 +995,18 @@ static int usbhid_parse(struct hid_device *hid)
return -ENODEV;
}
if (hdesc->bLength < sizeof(struct hid_descriptor)) {
dbg_hid("hid descriptor is too short\n");
return -EINVAL;
}
hid->version = le16_to_cpu(hdesc->bcdHID);
hid->country = hdesc->bCountryCode;
for (n = 0; n < hdesc->bNumDescriptors; n++)
num_descriptors = min_t(int, hdesc->bNumDescriptors,
(hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
for (n = 0; n < num_descriptors; n++)
if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);

1
drivers/iommu/amd_iommu.c
View file

@ -3096,6 +3096,7 @@ static size_t amd_iommu_unmap(struct iommu_domain *dom, unsigned long iova,
mutex_unlock(&domain->api_lock);
domain_flush_tlb_pde(domain);
domain_flush_complete(domain);
return unmap_size;
}

18
drivers/net/wireless/brcm80211/brcmfmac/cfg80211.c
View file

@ -2903,6 +2903,7 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
struct brcmf_cfg80211_info *cfg = ifp->drvr->config;
s32 status;
struct brcmf_escan_result_le *escan_result_le;
u32 escan_buflen;
struct brcmf_bss_info_le *bss_info_le;
struct brcmf_bss_info_le *bss = NULL;
u32 bi_length;
@ -2919,11 +2920,23 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
if (status == BRCMF_E_STATUS_PARTIAL) {
brcmf_dbg(SCAN, "ESCAN Partial result\n");
if (e->datalen < sizeof(*escan_result_le)) {
brcmf_err("invalid event data length\n");
goto exit;
}
escan_result_le = (struct brcmf_escan_result_le *) data;
if (!escan_result_le) {
brcmf_err("Invalid escan result (NULL pointer)\n");
goto exit;
}
escan_buflen = le32_to_cpu(escan_result_le->buflen);
if (escan_buflen > WL_ESCAN_BUF_SIZE ||
escan_buflen > e->datalen ||
escan_buflen < sizeof(*escan_result_le)) {
brcmf_err("Invalid escan buffer length: %d\n",
escan_buflen);
goto exit;
}
if (le16_to_cpu(escan_result_le->bss_count) != 1) {
brcmf_err("Invalid bss_count %d: ignoring\n",
escan_result_le->bss_count);
@ -2940,9 +2953,8 @@ brcmf_cfg80211_escan_handler(struct brcmf_if *ifp,
}
bi_length = le32_to_cpu(bss_info_le->length);
if (bi_length != (le32_to_cpu(escan_result_le->buflen) -
WL_ESCAN_RESULTS_FIXED_SIZE)) {
brcmf_err("Invalid bss_info length %d: ignoring\n",
if (bi_length != escan_buflen - WL_ESCAN_RESULTS_FIXED_SIZE) {
brcmf_err("Ignoring invalid bss_info length: %d\n",
bi_length);
goto exit;
}

10
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View file

@ -1906,6 +1906,11 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
struct iwl_mvm_mc_iter_data *data = _data;
struct iwl_mvm *mvm = data->mvm;
struct iwl_mcast_filter_cmd *cmd = mvm->mcast_filter_cmd;
struct iwl_host_cmd hcmd = {
.id = MCAST_FILTER_CMD,
.flags = CMD_ASYNC,
.dataflags[0] = IWL_HCMD_DFL_NOCOPY,
};
int ret, len;
/* if we don't have free ports, mcast frames will be dropped */
@ -1920,7 +1925,10 @@ static void iwl_mvm_mc_iface_iterator(void *_data, u8 *mac,
memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN);
len = roundup(sizeof(*cmd) + cmd->count * ETH_ALEN, 4);
ret = iwl_mvm_send_cmd_pdu(mvm, MCAST_FILTER_CMD, CMD_ASYNC, len, cmd);
hcmd.len[0] = len;
hcmd.data[0] = cmd;
ret = iwl_mvm_send_cmd(mvm, &hcmd);
if (ret)
IWL_ERR(mvm, "mcast filter cmd error. ret=%d\n", ret);
}

5
drivers/usb/gadget/composite.c
View file

@ -2095,6 +2095,8 @@ static DEVICE_ATTR_RO(suspended);
static void __composite_unbind(struct usb_gadget *gadget, bool unbind_driver)
{
struct usb_composite_dev *cdev = get_gadget_data(gadget);
struct usb_gadget_strings *gstr = cdev->driver->strings[0];
struct usb_string *dev_str = gstr->strings;
/* composite_disconnect() must already have been called
* by the underlying peripheral controller driver!
@ -2114,6 +2116,9 @@ static void __composite_unbind(struct usb_gadget *gadget, bool unbind_driver)
composite_dev_cleanup(cdev);
if (dev_str[USB_GADGET_MANUFACTURER_IDX].s == cdev->def_manufacturer)
dev_str[USB_GADGET_MANUFACTURER_IDX].s = "";
kfree(cdev->def_manufacturer);
kfree(cdev);
set_gadget_data(gadget, NULL);

9
drivers/usb/gadget/udc/dummy_hcd.c
View file

@ -420,6 +420,7 @@ static void set_link_state_by_speed(struct dummy_hcd *dum_hcd)
static void set_link_state(struct dummy_hcd *dum_hcd)
{
struct dummy *dum = dum_hcd->dum;
unsigned int power_bit;
dum_hcd->active = 0;
if (dum->pullup)
@ -430,17 +431,19 @@ static void set_link_state(struct dummy_hcd *dum_hcd)
return;
set_link_state_by_speed(dum_hcd);
power_bit = (dummy_hcd_to_hcd(dum_hcd)->speed == HCD_USB3 ?
USB_SS_PORT_STAT_POWER : USB_PORT_STAT_POWER);
if ((dum_hcd->port_status & USB_PORT_STAT_ENABLE) == 0 ||
dum_hcd->active)
dum_hcd->resuming = 0;
/* Currently !connected or in reset */
if ((dum_hcd->port_status & USB_PORT_STAT_CONNECTION) == 0 ||
if ((dum_hcd->port_status & power_bit) == 0 ||
(dum_hcd->port_status & USB_PORT_STAT_RESET) != 0) {
unsigned disconnect = USB_PORT_STAT_CONNECTION &
unsigned int disconnect = power_bit &
dum_hcd->old_status & (~dum_hcd->port_status);
unsigned reset = USB_PORT_STAT_RESET &
unsigned int reset = USB_PORT_STAT_RESET &
(~dum_hcd->old_status) & dum_hcd->port_status;
/* Report reset and disconnect events to the driver */

2
drivers/usb/renesas_usbhs/fifo.c
View file

@ -858,9 +858,9 @@ static void xfer_work(struct work_struct *work)
fifo->name, usbhs_pipe_number(pipe), pkt->length, pkt->zero);
usbhs_pipe_running(pipe, 1);
usbhsf_dma_start(pipe, fifo);
usbhs_pipe_set_trans_count_if_bulk(pipe, pkt->trans);
dma_async_issue_pending(chan);
usbhsf_dma_start(pipe, fifo);
usbhs_pipe_enable(pipe);
xfer_work_end:

1
drivers/usb/serial/console.c
View file

@ -189,6 +189,7 @@ static int usb_console_setup(struct console *co, char *options)
tty_kref_put(tty);
reset_open_count:
port->port.count = 0;
info->port = NULL;
usb_autopm_put_interface(serial->interface);
error_get_interface:
usb_serial_put(serial);

1
drivers/usb/serial/cp210x.c
View file

@ -170,6 +170,7 @@ static const struct usb_device_id id_table[] = {
{ USB_DEVICE(0x1843, 0x0200) }, /* Vaisala USB Instrument Cable */
{ USB_DEVICE(0x18EF, 0xE00F) }, /* ELV USB-I2C-Interface */
{ USB_DEVICE(0x18EF, 0xE025) }, /* ELV Marble Sound Board 1 */
{ USB_DEVICE(0x18EF, 0xE032) }, /* ELV TFD500 Data Logger */
{ USB_DEVICE(0x1901, 0x0190) }, /* GE B850 CP2105 Recorder interface */
{ USB_DEVICE(0x1901, 0x0193) }, /* GE B650 CP2104 PMC interface */
{ USB_DEVICE(0x1901, 0x0194) }, /* GE Healthcare Remote Alarm Box */

2
drivers/usb/serial/ftdi_sio.c
View file

@ -1015,6 +1015,8 @@ static const struct usb_device_id id_table_combined[] = {
{ USB_DEVICE(WICED_VID, WICED_USB20706V2_PID) },
{ USB_DEVICE(TI_VID, TI_CC3200_LAUNCHPAD_PID),
.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_BT_USB_PID) },
{ USB_DEVICE(CYPRESS_VID, CYPRESS_WICED_WL_USB_PID) },
{ } /* Terminating entry */
};

7
drivers/usb/serial/ftdi_sio_ids.h
View file

@ -609,6 +609,13 @@
#define ADI_GNICE_PID 0xF000
#define ADI_GNICEPLUS_PID 0xF001
/*
* Cypress WICED USB UART
*/
#define CYPRESS_VID 0x04B4
#define CYPRESS_WICED_BT_USB_PID 0x009B
#define CYPRESS_WICED_WL_USB_PID 0xF900
/*
* Microchip Technology, Inc.
*

2
drivers/usb/serial/option.c
View file

@ -522,6 +522,7 @@ static void option_instat_callback(struct urb *urb);
/* TP-LINK Incorporated products */
#define TPLINK_VENDOR_ID 0x2357
#define TPLINK_PRODUCT_LTE 0x000D
#define TPLINK_PRODUCT_MA180 0x0201
/* Changhong products */
@ -2011,6 +2012,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
{ USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600A) },
{ USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T_600E) },
{ USB_DEVICE_AND_INTERFACE_INFO(TPLINK_VENDOR_ID, TPLINK_PRODUCT_LTE, 0xff, 0x00, 0x00) }, /* TP-Link LTE Module */
{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
{ USB_DEVICE(TPLINK_VENDOR_ID, 0x9000), /* TP-Link MA260 */

4
drivers/usb/serial/qcserial.c
View file

@ -174,6 +174,10 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */
{DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */
{DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */
{DEVICE_SWI(0x413c, 0x81cf)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d0)}, /* Dell Wireless 5819 */
{DEVICE_SWI(0x413c, 0x81d1)}, /* Dell Wireless 5818 */
{DEVICE_SWI(0x413c, 0x81d2)}, /* Dell Wireless 5818 */
/* Huawei devices */
{DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */

5
fs/btrfs/hash.c
View file

@ -33,6 +33,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length)
{
SHASH_DESC_ON_STACK(shash, tfm);
u32 *ctx = (u32 *)shash_desc_ctx(shash);
u32 retval;
int err;
shash->tfm = tfm;
@ -42,5 +43,7 @@ u32 btrfs_crc32c(u32 crc, const void *address, unsigned int length)
err = crypto_shash_update(shash, address, length);
BUG_ON(err);
return *ctx;
retval = *ctx;
barrier_data(ctx);
return retval;
}

2
fs/cifs/cifsglob.h
View file

@ -351,6 +351,8 @@ struct smb_version_operations {
unsigned int (*calc_smb_size)(void *);
/* check for STATUS_PENDING and process it in a positive case */
bool (*is_status_pending)(char *, struct TCP_Server_Info *, int);
/* check for STATUS_NETWORK_SESSION_EXPIRED */
bool (*is_session_expired)(char *);
/* send oplock break response */
int (*oplock_response)(struct cifs_tcon *, struct cifs_fid *,
struct cifsInodeInfo *);

7
fs/cifs/cifssmb.c
View file

@ -1460,6 +1460,13 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
return length;
server->total_read += length;
if (server->ops->is_session_expired &&
server->ops->is_session_expired(buf)) {
cifs_reconnect(server);
wake_up(&server->response_q);
return -1;
}
if (server->ops->is_status_pending &&
server->ops->is_status_pending(buf, server, 0)) {
discard_remaining_data(server);

7
fs/cifs/connect.c
View file

@ -850,6 +850,13 @@ standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid)
cifs_dump_mem("Bad SMB: ", buf,
min_t(unsigned int, server->total_read, 48));
if (server->ops->is_session_expired &&
server->ops->is_session_expired(buf)) {
cifs_reconnect(server);
wake_up(&server->response_q);
return -1;
}
if (server->ops->is_status_pending &&
server->ops->is_status_pending(buf, server, length))
return -1;

16
fs/cifs/smb2ops.c
View file

@ -963,6 +963,18 @@ smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)
return true;
}
static bool
smb2_is_session_expired(char *buf)
{
struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
if (hdr->Status != STATUS_NETWORK_SESSION_EXPIRED)
return false;
cifs_dbg(FYI, "Session expired\n");
return true;
}
static int
smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
struct cifsInodeInfo *cinode)
@ -1552,6 +1564,7 @@ struct smb_version_operations smb20_operations = {
.close_dir = smb2_close_dir,
.calc_smb_size = smb2_calc_size,
.is_status_pending = smb2_is_status_pending,
.is_session_expired = smb2_is_session_expired,
.oplock_response = smb2_oplock_response,
.queryfs = smb2_queryfs,
.mand_lock = smb2_mand_lock,
@ -1633,6 +1646,7 @@ struct smb_version_operations smb21_operations = {
.close_dir = smb2_close_dir,
.calc_smb_size = smb2_calc_size,
.is_status_pending = smb2_is_status_pending,
.is_session_expired = smb2_is_session_expired,
.oplock_response = smb2_oplock_response,
.queryfs = smb2_queryfs,
.mand_lock = smb2_mand_lock,
@ -1715,6 +1729,7 @@ struct smb_version_operations smb30_operations = {
.close_dir = smb2_close_dir,
.calc_smb_size = smb2_calc_size,
.is_status_pending = smb2_is_status_pending,
.is_session_expired = smb2_is_session_expired,
.oplock_response = smb2_oplock_response,
.queryfs = smb2_queryfs,
.mand_lock = smb2_mand_lock,
@ -1803,6 +1818,7 @@ struct smb_version_operations smb311_operations = {
.close_dir = smb2_close_dir,
.calc_smb_size = smb2_calc_size,
.is_status_pending = smb2_is_status_pending,
.is_session_expired = smb2_is_session_expired,
.oplock_response = smb2_oplock_response,
.queryfs = smb2_queryfs,
.mand_lock = smb2_mand_lock,

3
fs/direct-io.c
View file

@ -837,7 +837,8 @@ out:
*/
if (sdio->boundary) {
ret = dio_send_cur_page(dio, sdio, map_bh);
dio_bio_submit(dio, sdio);
if (sdio->bio)
dio_bio_submit(dio, sdio);
page_cache_release(sdio->cur_page);
sdio->cur_page = NULL;
}

4
fs/ext4/file.c
View file

@ -559,7 +559,7 @@ static loff_t ext4_seek_data(struct file *file, loff_t offset, loff_t maxsize)
mutex_lock(&inode->i_mutex);
isize = i_size_read(inode);
if (offset >= isize) {
if (offset < 0 || offset >= isize) {
mutex_unlock(&inode->i_mutex);
return -ENXIO;
}
@ -632,7 +632,7 @@ static loff_t ext4_seek_hole(struct file *file, loff_t offset, loff_t maxsize)
mutex_lock(&inode->i_mutex);
isize = i_size_read(inode);
if (offset >= isize) {
if (offset < 0 || offset >= isize) {
mutex_unlock(&inode->i_mutex);
return -ENXIO;
}

7
fs/f2fs/f2fs.h
View file

@ -1268,6 +1268,7 @@ static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
{
SHASH_DESC_ON_STACK(shash, sbi->s_chksum_driver);
u32 *ctx = (u32 *)shash_desc_ctx(shash);
u32 retval;
int err;
shash->tfm = sbi->s_chksum_driver;
@ -1277,7 +1278,9 @@ static inline u32 f2fs_crc32(struct f2fs_sb_info *sbi, const void *address,
err = crypto_shash_update(shash, address, length);
BUG_ON(err);
return *ctx;
retval = *ctx;
barrier_data(ctx);
return retval;
}
static inline bool f2fs_crc_valid(struct f2fs_sb_info *sbi, __u32 blk_crc,
@ -2606,7 +2609,7 @@ void invalidate_blocks(struct f2fs_sb_info *sbi, block_t addr);
bool is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
void refresh_sit_entry(struct f2fs_sb_info *sbi, block_t old, block_t new);
void stop_discard_thread(struct f2fs_sb_info *sbi);
void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi);
void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi, bool umount);
void clear_prefree_segments(struct f2fs_sb_info *sbi, struct cp_control *cpc);
void release_discard_addrs(struct f2fs_sb_info *sbi);
int npages_for_summary_flush(struct f2fs_sb_info *sbi, bool for_ra);

5
fs/f2fs/file.c
View file

@ -665,6 +665,11 @@ int f2fs_getattr(struct vfsmount *mnt,
{
struct inode *inode = d_inode(dentry);
generic_fillattr(inode, stat);
/* we need to show initial sectors used for inline_data/dentries */
if (f2fs_has_inline_data(inode) || f2fs_has_inline_dentry(inode))
stat->blocks += (stat->size + 511) >> 9;
return 0;
}

6
fs/f2fs/segment.c
View file

@ -1290,11 +1290,11 @@ void stop_discard_thread(struct f2fs_sb_info *sbi)
}
/* This comes from f2fs_put_super and f2fs_trim_fs */
void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi)
void f2fs_wait_discard_bios(struct f2fs_sb_info *sbi, bool umount)
{
__issue_discard_cmd(sbi, false);
__drop_discard_cmd(sbi);
__wait_discard_cmd(sbi, false);
__wait_discard_cmd(sbi, !umount);
}
static void mark_discard_range_all(struct f2fs_sb_info *sbi)
@ -2324,7 +2324,7 @@ int f2fs_trim_fs(struct f2fs_sb_info *sbi, struct fstrim_range *range)
}
/* It's time to issue all the filed discards */
mark_discard_range_all(sbi);
f2fs_wait_discard_bios(sbi);
f2fs_wait_discard_bios(sbi, false);
out:
range->len = F2FS_BLK_TO_BYTES(cpc.trimmed);
return err;

2
fs/f2fs/super.c
View file

@ -801,7 +801,7 @@ static void f2fs_put_super(struct super_block *sb)
}
/* be sure to wait for any on-going discard commands */
f2fs_wait_discard_bios(sbi);
f2fs_wait_discard_bios(sbi, true);
if (f2fs_discard_en(sbi) && !sbi->discard_blks) {
struct cp_control cpc = {

5
include/linux/compiler-clang.h
View file

@ -10,3 +10,8 @@
#undef uninitialized_var
#define uninitialized_var(x) x = *(&(x))
#endif
/* same as gcc, this was present in clang-2.6 so we can assume it works
* with any version that can compile the kernel
*/
#define __UNIQUE_ID(prefix) __PASTE(__PASTE(__UNIQUE_ID_, prefix), __COUNTER__)

18
include/linux/compiler-gcc.h
View file

@ -66,18 +66,22 @@
/*
* Force always-inline if the user requests it so via the .config,
* or if gcc is too old:
* or if gcc is too old.
* GCC does not warn about unused static inline functions for
* -Wunused-function. This turns out to avoid the need for complex #ifdef
* directives. Suppress the warning in clang as well by using "unused"
* function attribute, which is redundant but not harmful for gcc.
*/
#if !defined(CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING) || \
!defined(CONFIG_OPTIMIZE_INLINING) || (__GNUC__ < 4)
#define inline inline __attribute__((always_inline)) notrace
#define __inline__ __inline__ __attribute__((always_inline)) notrace
#define __inline __inline __attribute__((always_inline)) notrace
#define inline inline __attribute__((always_inline,unused)) notrace
#define __inline__ __inline__ __attribute__((always_inline,unused)) notrace
#define __inline __inline __attribute__((always_inline,unused)) notrace
#else
/* A lot of inline functions can cause havoc with function tracing */
#define inline inline notrace
#define __inline__ __inline__ notrace
#define __inline __inline notrace
#define inline inline __attribute__((unused)) notrace
#define __inline__ __inline__ __attribute__((unused)) notrace
#define __inline __inline __attribute__((unused)) notrace
#endif
#define __always_inline inline __attribute__((always_inline))

411
include/linux/fscrypto.h
View file

@ -1,411 +0,0 @@
/*
* General per-file encryption definition
*
* Copyright (C) 2015, Google, Inc.
*
* Written by Michael Halcrow, 2015.
* Modified by Jaegeuk Kim, 2015.
*/
#ifndef _LINUX_FSCRYPTO_H
#define _LINUX_FSCRYPTO_H
#include <linux/key.h>
#include <linux/fs.h>
#include <linux/mm.h>
#include <linux/bio.h>
#include <linux/dcache.h>
#include <crypto/skcipher.h>
#include <uapi/linux/fs.h>
#define FS_KEY_DERIVATION_NONCE_SIZE 16
#define FS_ENCRYPTION_CONTEXT_FORMAT_V1 1
#define FS_POLICY_FLAGS_PAD_4 0x00
#define FS_POLICY_FLAGS_PAD_8 0x01
#define FS_POLICY_FLAGS_PAD_16 0x02
#define FS_POLICY_FLAGS_PAD_32 0x03
#define FS_POLICY_FLAGS_PAD_MASK 0x03
#define FS_POLICY_FLAGS_VALID 0x03
/* Encryption algorithms */
#define FS_ENCRYPTION_MODE_INVALID 0
#define FS_ENCRYPTION_MODE_AES_256_XTS 1
#define FS_ENCRYPTION_MODE_AES_256_GCM 2
#define FS_ENCRYPTION_MODE_AES_256_CBC 3
#define FS_ENCRYPTION_MODE_AES_256_CTS 4
/**
* Encryption context for inode
*
* Protector format:
* 1 byte: Protector format (1 = this version)
* 1 byte: File contents encryption mode
* 1 byte: File names encryption mode
* 1 byte: Flags
* 8 bytes: Master Key descriptor
* 16 bytes: Encryption Key derivation nonce
*/
struct fscrypt_context {
u8 format;
u8 contents_encryption_mode;
u8 filenames_encryption_mode;
u8 flags;
u8 master_key_descriptor[FS_KEY_DESCRIPTOR_SIZE];
u8 nonce[FS_KEY_DERIVATION_NONCE_SIZE];
} __packed;
/* Encryption parameters */
#define FS_XTS_TWEAK_SIZE 16
#define FS_AES_128_ECB_KEY_SIZE 16
#define FS_AES_256_GCM_KEY_SIZE 32
#define FS_AES_256_CBC_KEY_SIZE 32
#define FS_AES_256_CTS_KEY_SIZE 32
#define FS_AES_256_XTS_KEY_SIZE 64
#define FS_MAX_KEY_SIZE 64
#define FS_KEY_DESC_PREFIX "fscrypt:"
#define FS_KEY_DESC_PREFIX_SIZE 8
/* This is passed in from userspace into the kernel keyring */
struct fscrypt_key {
u32 mode;
u8 raw[FS_MAX_KEY_SIZE];
u32 size;
} __packed;
struct fscrypt_info {
u8 ci_data_mode;
u8 ci_filename_mode;
u8 ci_flags;
struct crypto_skcipher *ci_ctfm;
struct key *ci_keyring_key;
u8 ci_master_key[FS_KEY_DESCRIPTOR_SIZE];
};
#define FS_CTX_REQUIRES_FREE_ENCRYPT_FL 0x00000001
#define FS_WRITE_PATH_FL 0x00000002
struct fscrypt_ctx {
union {
struct {
struct page *bounce_page; /* Ciphertext page */
struct page *control_page; /* Original page */
} w;
struct {
struct bio *bio;
struct work_struct work;
} r;
struct list_head free_list; /* Free list */
};
u8 flags; /* Flags */
u8 mode; /* Encryption mode for tfm */
};
struct fscrypt_completion_result {
struct completion completion;
int res;
};
#define DECLARE_FS_COMPLETION_RESULT(ecr) \
struct fscrypt_completion_result ecr = { \
COMPLETION_INITIALIZER((ecr).completion), 0 }
#define FS_FNAME_NUM_SCATTER_ENTRIES 4
#define FS_CRYPTO_BLOCK_SIZE 16
#define FS_FNAME_CRYPTO_DIGEST_SIZE 32
/**
* For encrypted symlinks, the ciphertext length is stored at the beginning
* of the string in little-endian format.
*/
struct fscrypt_symlink_data {
__le16 len;
char encrypted_path[1];
} __packed;
/**
* This function is used to calculate the disk space required to
* store a filename of length l in encrypted symlink format.
*/
static inline u32 fscrypt_symlink_data_len(u32 l)
{
if (l < FS_CRYPTO_BLOCK_SIZE)
l = FS_CRYPTO_BLOCK_SIZE;
return (l + sizeof(struct fscrypt_symlink_data) - 1);
}
struct fscrypt_str {
unsigned char *name;
u32 len;
};
struct fscrypt_name {
const struct qstr *usr_fname;
struct fscrypt_str disk_name;
u32 hash;
u32 minor_hash;
struct fscrypt_str crypto_buf;
};
#define FSTR_INIT(n, l) { .name = n, .len = l }
#define FSTR_TO_QSTR(f) QSTR_INIT((f)->name, (f)->len)
#define fname_name(p) ((p)->disk_name.name)
#define fname_len(p) ((p)->disk_name.len)
/*
* crypto opertions for filesystems
*/
struct fscrypt_operations {
int (*get_context)(struct inode *, void *, size_t);
int (*key_prefix)(struct inode *, u8 **);
int (*prepare_context)(struct inode *);
int (*set_context)(struct inode *, const void *, size_t, void *);
int (*dummy_context)(struct inode *);
bool (*is_encrypted)(struct inode *);
bool (*empty_dir)(struct inode *);
unsigned (*max_namelen)(struct inode *);
};
static inline bool fscrypt_dummy_context_enabled(struct inode *inode)
{
if (inode->i_sb->s_cop->dummy_context &&
inode->i_sb->s_cop->dummy_context(inode))
return true;
return false;
}
static inline bool fscrypt_valid_contents_enc_mode(u32 mode)
{
return (mode == FS_ENCRYPTION_MODE_AES_256_XTS);
}
static inline bool fscrypt_valid_filenames_enc_mode(u32 mode)
{
return (mode == FS_ENCRYPTION_MODE_AES_256_CTS);
}
static inline bool fscrypt_is_dot_dotdot(const struct qstr *str)
{
if (str->len == 1 && str->name[0] == '.')
return true;
if (str->len == 2 && str->name[0] == '.' && str->name[1] == '.')
return true;
return false;
}
static inline struct page *fscrypt_control_page(struct page *page)
{
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
return ((struct fscrypt_ctx *)page_private(page))->w.control_page;
#else
WARN_ON_ONCE(1);
return ERR_PTR(-EINVAL);
#endif
}
static inline int fscrypt_has_encryption_key(struct inode *inode)
{
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
return (inode->i_crypt_info != NULL);
#else
return 0;
#endif
}
static inline void fscrypt_set_encrypted_dentry(struct dentry *dentry)
{
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
spin_lock(&dentry->d_lock);
dentry->d_flags |= DCACHE_ENCRYPTED_WITH_KEY;
spin_unlock(&dentry->d_lock);
#endif
}
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
extern const struct dentry_operations fscrypt_d_ops;
#endif
static inline void fscrypt_set_d_op(struct dentry *dentry)
{
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
d_set_d_op(dentry, &fscrypt_d_ops);
#endif
}
#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
/* crypto.c */
extern struct kmem_cache *fscrypt_info_cachep;
int fscrypt_initialize(void);
extern struct fscrypt_ctx *fscrypt_get_ctx(struct inode *, gfp_t);
extern void fscrypt_release_ctx(struct fscrypt_ctx *);
extern struct page *fscrypt_encrypt_page(struct inode *, struct page *, gfp_t);
extern int fscrypt_decrypt_page(struct page *);
extern void fscrypt_decrypt_bio_pages(struct fscrypt_ctx *, struct bio *);
extern void fscrypt_pullback_bio_page(struct page **, bool);
extern void fscrypt_restore_control_page(struct page *);
extern int fscrypt_zeroout_range(struct inode *, pgoff_t, sector_t,
unsigned int);
/* policy.c */
extern int fscrypt_ioctl_set_policy(struct file *, const void __user *);
extern int fscrypt_ioctl_get_policy(struct file *, void __user *);
extern int fscrypt_has_permitted_context(struct inode *, struct inode *);
extern int fscrypt_inherit_context(struct inode *, struct inode *,
void *, bool);
/* keyinfo.c */
extern int get_crypt_info(struct inode *);
extern int fscrypt_get_encryption_info(struct inode *);
extern void fscrypt_put_encryption_info(struct inode *, struct fscrypt_info *);
/* fname.c */
extern int fscrypt_setup_filename(struct inode *, const struct qstr *,
int lookup, struct fscrypt_name *);
extern void fscrypt_free_filename(struct fscrypt_name *);
extern u32 fscrypt_fname_encrypted_size(struct inode *, u32);
extern int fscrypt_fname_alloc_buffer(struct inode *, u32,
struct fscrypt_str *);
extern void fscrypt_fname_free_buffer(struct fscrypt_str *);
extern int fscrypt_fname_disk_to_usr(struct inode *, u32, u32,
const struct fscrypt_str *, struct fscrypt_str *);
extern int fscrypt_fname_usr_to_disk(struct inode *, const struct qstr *,
struct fscrypt_str *);
#endif
/* crypto.c */
static inline struct fscrypt_ctx *fscrypt_notsupp_get_ctx(struct inode *i,
gfp_t f)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void fscrypt_notsupp_release_ctx(struct fscrypt_ctx *c)
{
return;
}
static inline struct page *fscrypt_notsupp_encrypt_page(struct inode *i,
struct page *p, gfp_t f)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline int fscrypt_notsupp_decrypt_page(struct page *p)
{
return -EOPNOTSUPP;
}
static inline void fscrypt_notsupp_decrypt_bio_pages(struct fscrypt_ctx *c,
struct bio *b)
{
return;
}
static inline void fscrypt_notsupp_pullback_bio_page(struct page **p, bool b)
{
return;
}
static inline void fscrypt_notsupp_restore_control_page(struct page *p)
{
return;
}
static inline int fscrypt_notsupp_zeroout_range(struct inode *i, pgoff_t p,
sector_t s, unsigned int f)
{
return -EOPNOTSUPP;
}
/* policy.c */
static inline int fscrypt_notsupp_ioctl_set_policy(struct file *f,
const void __user *arg)
{
return -EOPNOTSUPP;
}
static inline int fscrypt_notsupp_ioctl_get_policy(struct file *f,
void __user *arg)
{
return -EOPNOTSUPP;
}
static inline int fscrypt_notsupp_has_permitted_context(struct inode *p,
struct inode *i)
{
return 0;
}
static inline int fscrypt_notsupp_inherit_context(struct inode *p,
struct inode *i, void *v, bool b)
{
return -EOPNOTSUPP;
}
/* keyinfo.c */
static inline int fscrypt_notsupp_get_encryption_info(struct inode *i)
{
return -EOPNOTSUPP;
}
static inline void fscrypt_notsupp_put_encryption_info(struct inode *i,
struct fscrypt_info *f)
{
return;
}
/* fname.c */
static inline int fscrypt_notsupp_setup_filename(struct inode *dir,
const struct qstr *iname,
int lookup, struct fscrypt_name *fname)
{
if (dir->i_sb->s_cop->is_encrypted(dir))
return -EOPNOTSUPP;
memset(fname, 0, sizeof(struct fscrypt_name));
fname->usr_fname = iname;
fname->disk_name.name = (unsigned char *)iname->name;
fname->disk_name.len = iname->len;
return 0;
}
static inline void fscrypt_notsupp_free_filename(struct fscrypt_name *fname)
{
return;
}
static inline u32 fscrypt_notsupp_fname_encrypted_size(struct inode *i, u32 s)
{
/* never happens */
WARN_ON(1);
return 0;
}
static inline int fscrypt_notsupp_fname_alloc_buffer(struct inode *inode,
u32 ilen, struct fscrypt_str *crypto_str)
{
return -EOPNOTSUPP;
}
static inline void fscrypt_notsupp_fname_free_buffer(struct fscrypt_str *c)
{
return;
}
static inline int fscrypt_notsupp_fname_disk_to_usr(struct inode *inode,
u32 hash, u32 minor_hash,
const struct fscrypt_str *iname,
struct fscrypt_str *oname)
{
return -EOPNOTSUPP;
}
static inline int fscrypt_notsupp_fname_usr_to_disk(struct inode *inode,
const struct qstr *iname,
struct fscrypt_str *oname)
{
return -EOPNOTSUPP;
}
#endif /* _LINUX_FSCRYPTO_H */

6
include/linux/kbuild.h
View file

@ -2,14 +2,14 @@
#define __LINUX_KBUILD_H
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
asm volatile("\n.ascii \"->" #sym " %0 " #val "\"" : : "i" (val))
#define BLANK() asm volatile("\n->" : : )
#define BLANK() asm volatile("\n.ascii \"->\"" : : )
#define OFFSET(sym, str, mem) \
DEFINE(sym, offsetof(struct str, mem))
#define COMMENT(x) \
asm volatile("\n->#" x)
asm volatile("\n.ascii \"->#" x "\"")
#endif

4
include/linux/module.h
View file

@ -125,13 +125,13 @@ extern void cleanup_module(void);
/* Each module must use one module_init(). */
#define module_init(initfn) \
static inline initcall_t __inittest(void) \
static inline initcall_t __maybe_unused __inittest(void) \
{ return initfn; } \
int init_module(void) __attribute__((alias(#initfn)));
/* This is only required if you want to be unloadable. */
#define module_exit(exitfn) \
static inline exitcall_t __exittest(void) \
static inline exitcall_t __maybe_unused __exittest(void) \
{ return exitfn; } \
void cleanup_module(void) __attribute__((alias(#exitfn)));

1
include/sound/seq_virmidi.h
View file

@ -60,6 +60,7 @@ struct snd_virmidi_dev {
int port; /* created/attached port */
unsigned int flags; /* SNDRV_VIRMIDI_* */
rwlock_t filelist_lock;
struct rw_semaphore filelist_sem;
struct list_head filelist;
};

12
kernel/rcu/tree.c
View file

@ -757,6 +757,12 @@ void rcu_irq_exit(void)
local_irq_save(flags);
rdtp = this_cpu_ptr(&rcu_dynticks);
/* Page faults can happen in NMI handlers, so check... */
if (READ_ONCE(rdtp->dynticks_nmi_nesting))
return;
RCU_LOCKDEP_WARN(!irqs_disabled(), "rcu_irq_exit() invoked with irqs enabled!!!");
oldval = rdtp->dynticks_nesting;
rdtp->dynticks_nesting--;
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&
@ -885,6 +891,12 @@ void rcu_irq_enter(void)
local_irq_save(flags);
rdtp = this_cpu_ptr(&rcu_dynticks);
/* Page faults can happen in NMI handlers, so check... */
if (READ_ONCE(rdtp->dynticks_nmi_nesting))
return;
RCU_LOCKDEP_WARN(!irqs_disabled(), "rcu_irq_enter() invoked with irqs enabled!!!");
oldval = rdtp->dynticks_nesting;
rdtp->dynticks_nesting++;
WARN_ON_ONCE(IS_ENABLED(CONFIG_RCU_EQS_DEBUG) &&

2
kernel/sched/core.c
View file

@ -1372,7 +1372,9 @@ static void __migrate_swap_task(struct task_struct *p, int cpu)
p->on_rq = TASK_ON_RQ_MIGRATING;
deactivate_task(src_rq, p, 0);
p->on_rq = TASK_ON_RQ_MIGRATING;
set_task_cpu(p, cpu);
p->on_rq = TASK_ON_RQ_QUEUED;
activate_task(dst_rq, p, 0);
p->on_rq = TASK_ON_RQ_QUEUED;
check_preempt_curr(dst_rq, p, 0);

4
kernel/sched/deadline.c
View file

@ -1625,7 +1625,9 @@ retry:
next_task->on_rq = TASK_ON_RQ_MIGRATING;
deactivate_task(rq, next_task, 0);
clear_average_bw(&next_task->dl, &rq->dl);
next_task->on_rq = TASK_ON_RQ_MIGRATING;
set_task_cpu(next_task, later_rq->cpu);
next_task->on_rq = TASK_ON_RQ_QUEUED;
add_average_bw(&next_task->dl, &later_rq->dl);
activate_task(later_rq, next_task, 0);
next_task->on_rq = TASK_ON_RQ_QUEUED;
@ -1717,7 +1719,9 @@ static void pull_dl_task(struct rq *this_rq)
p->on_rq = TASK_ON_RQ_MIGRATING;
deactivate_task(src_rq, p, 0);
clear_average_bw(&p->dl, &src_rq->dl);
p->on_rq = TASK_ON_RQ_MIGRATING;
set_task_cpu(p, this_cpu);
p->on_rq = TASK_ON_RQ_QUEUED;
add_average_bw(&p->dl, &this_rq->dl);
activate_task(this_rq, p, 0);
p->on_rq = TASK_ON_RQ_QUEUED;

4
kernel/sched/rt.c
View file

@ -2117,7 +2117,9 @@ retry:
next_task->on_rq = TASK_ON_RQ_MIGRATING;
deactivate_task(rq, next_task, 0);
next_task->on_rq = TASK_ON_RQ_MIGRATING;
set_task_cpu(next_task, lowest_rq->cpu);
next_task->on_rq = TASK_ON_RQ_QUEUED;
activate_task(lowest_rq, next_task, 0);
next_task->on_rq = TASK_ON_RQ_QUEUED;
ret = 1;
@ -2373,7 +2375,9 @@ static void pull_rt_task(struct rq *this_rq)
p->on_rq = TASK_ON_RQ_MIGRATING;
deactivate_task(src_rq, p, 0);
p->on_rq = TASK_ON_RQ_MIGRATING;
set_task_cpu(p, this_cpu);
p->on_rq = TASK_ON_RQ_QUEUED;
activate_task(this_rq, p, 0);
p->on_rq = TASK_ON_RQ_QUEUED;
/*

2
lib/Makefile
View file

@ -60,8 +60,6 @@ obj-$(CONFIG_HAS_IOMEM) += iomap_copy.o devres.o
obj-$(CONFIG_CHECK_SIGNATURE) += check_signature.o
obj-$(CONFIG_DEBUG_LOCKING_API_SELFTESTS) += locking-selftest.o
GCOV_PROFILE_hweight.o := n
CFLAGS_hweight.o = $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS))
obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
obj-$(CONFIG_BTREE) += btree.o

4
lib/hweight.c
View file

@ -9,6 +9,7 @@
* The Hamming Weight of a number is the total number of bits set in it.
*/
#ifndef __HAVE_ARCH_SW_HWEIGHT
unsigned int __sw_hweight32(unsigned int w)
{
#ifdef CONFIG_ARCH_HAS_FAST_MULTIPLIER
@ -25,6 +26,7 @@ unsigned int __sw_hweight32(unsigned int w)
#endif
}
EXPORT_SYMBOL(__sw_hweight32);
#endif
unsigned int __sw_hweight16(unsigned int w)
{
@ -43,6 +45,7 @@ unsigned int __sw_hweight8(unsigned int w)
}
EXPORT_SYMBOL(__sw_hweight8);
#ifndef __HAVE_ARCH_SW_HWEIGHT
unsigned long __sw_hweight64(__u64 w)
{
#if BITS_PER_LONG == 32
@ -65,3 +68,4 @@ unsigned long __sw_hweight64(__u64 w)
#endif
}
EXPORT_SYMBOL(__sw_hweight64);
#endif

6
lib/libcrc32c.c
View file

@ -42,7 +42,7 @@ static struct crypto_shash *tfm;
u32 crc32c(u32 crc, const void *address, unsigned int length)
{
SHASH_DESC_ON_STACK(shash, tfm);
u32 *ctx = (u32 *)shash_desc_ctx(shash);
u32 ret, *ctx = (u32 *)shash_desc_ctx(shash);
int err;
shash->tfm = tfm;
@ -52,7 +52,9 @@ u32 crc32c(u32 crc, const void *address, unsigned int length)
err = crypto_shash_update(shash, address, length);
BUG_ON(err);
return *ctx;
ret = *ctx;
barrier_data(ctx);
return ret;
}
EXPORT_SYMBOL(crc32c);

12
net/wireless/nl80211.c
View file

@ -515,6 +515,14 @@ nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = {
},
};
/* policy for packet pattern attributes */
static const struct nla_policy
nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = {
[NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, },
[NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, },
[NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 },
};
static int nl80211_prepare_wdev_dump(struct sk_buff *skb,
struct netlink_callback *cb,
struct cfg80211_registered_device **rdev,
@ -9930,7 +9938,7 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info)
u8 *mask_pat;
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
nla_len(pat), nl80211_packet_pattern_policy);
err = -EINVAL;
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
@ -10180,7 +10188,7 @@ static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev,
u8 *mask_pat;
nla_parse(pat_tb, MAX_NL80211_PKTPAT, nla_data(pat),
nla_len(pat), NULL);
nla_len(pat), nl80211_packet_pattern_policy);
if (!pat_tb[NL80211_PKTPAT_MASK] ||
!pat_tb[NL80211_PKTPAT_PATTERN])
return -EINVAL;

22
scripts/Kbuild.include
View file

@ -107,16 +107,30 @@ as-option = $(call try-run,\
as-instr = $(call try-run,\
printf "%b\n" "$(1)" | $(CC) $(KBUILD_AFLAGS) -c -x assembler -o "$$TMP" -,$(2),$(3))
# __cc-option
# Usage: MY_CFLAGS += $(call __cc-option,$(CC),$(MY_CFLAGS),-march=winchip-c6,-march=i586)
__cc-option = $(call try-run,\
$(1) -Werror $(2) $(3) -c -x c /dev/null -o "$$TMP",$(3),$(4))
# Do not attempt to build with gcc plugins during cc-option tests.
# (And this uses delayed resolution so the flags will be up to date.)
CC_OPTION_CFLAGS = $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS))
# cc-option
# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
cc-option = $(call try-run,\
$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",$(1),$(2))
cc-option = $(call __cc-option, $(CC),\
$(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS),$(1),$(2))
# hostcc-option
# Usage: cflags-y += $(call hostcc-option,-march=winchip-c6,-march=i586)
hostcc-option = $(call __cc-option, $(HOSTCC),\
$(HOSTCFLAGS) $(HOST_EXTRACFLAGS),$(1),$(2))
# cc-option-yn
# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
cc-option-yn = $(call try-run,\
$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(1) -c -x c /dev/null -o "$$TMP",y,n)
# cc-option-align
# Prefix align with either -falign or -malign
@ -126,7 +140,7 @@ cc-option-align = $(subst -functions=0,,\
# cc-disable-warning
# Usage: cflags-y += $(call cc-disable-warning,unused-but-set-variable)
cc-disable-warning = $(call try-run,\
$(CC) $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
$(CC) -Werror $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) -W$(strip $(1)) -c -x c /dev/null -o "$$TMP",-Wno-$(strip $(1)))
# cc-name
# Expands to either gcc or clang

8
scripts/Makefile.build
View file

@ -179,6 +179,14 @@ cmd_cc_symtypes_c = \
$(obj)/%.symtypes : $(src)/%.c FORCE
$(call cmd,cc_symtypes_c)
# LLVM assembly
# Generate .ll files from .c
quiet_cmd_cc_ll_c = CC $(quiet_modtag) $@
cmd_cc_ll_c = $(CC) $(c_flags) -emit-llvm -S -o $@ $<
$(obj)/%.ll: $(src)/%.c FORCE
$(call if_changed_dep,cc_ll_c)
# C (.c) files
# The C file is compiled and updated dependency information is generated.
# (See cmd_cc_o_c + relevant part of rule_cc_o_c)

1
scripts/Makefile.extrawarn
View file

@ -61,7 +61,6 @@ ifeq ($(cc-name),clang)
KBUILD_CFLAGS += $(call cc-disable-warning, initializer-overrides)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-value)
KBUILD_CFLAGS += $(call cc-disable-warning, format)
KBUILD_CFLAGS += $(call cc-disable-warning, unknown-warning-option)
KBUILD_CFLAGS += $(call cc-disable-warning, sign-compare)
KBUILD_CFLAGS += $(call cc-disable-warning, format-zero-length)
KBUILD_CFLAGS += $(call cc-disable-warning, uninitialized)

31
scripts/Makefile.lib
View file

@ -418,3 +418,34 @@ quiet_cmd_xzmisc = XZMISC $@
cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
(rm -f $@ ; false)
# ASM offsets
# ---------------------------------------------------------------------------
# Default sed regexp - multiline due to syntax constraints
#
# Use [:space:] because LLVM's integrated assembler inserts <tab> around
# the .ascii directive whereas GCC keeps the <space> as-is.
define sed-offsets
's:^[[:space:]]*\.ascii[[:space:]]*"\(.*\)".*:\1:; \
/^->/{s:->#\(.*\):/* \1 */:; \
s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
s:->::; p;}'
endef
# Use filechk to avoid rebuilds when a header changes, but the resulting file
# does not
define filechk_offsets
(set -e; \
echo "#ifndef $2"; \
echo "#define $2"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
echo " * This file was generated by Kbuild"; \
echo " */"; \
echo ""; \
sed -ne $(sed-offsets); \
echo ""; \
echo "#endif" )
endef

28
scripts/mod/Makefile
View file

@ -5,32 +5,8 @@ modpost-objs := modpost.o file2alias.o sumversion.o
devicetable-offsets-file := devicetable-offsets.h
define sed-y
"/^->/{s:->#\(.*\):/* \1 */:; \
s:^->\([^ ]*\) [\$$#]*\([-0-9]*\) \(.*\):#define \1 \2 /* \3 */:; \
s:^->\([^ ]*\) [\$$#]*\([^ ]*\) \(.*\):#define \1 \2 /* \3 */:; \
s:->::; p;}"
endef
quiet_cmd_offsets = GEN $@
define cmd_offsets
(set -e; \
echo "#ifndef __DEVICETABLE_OFFSETS_H__"; \
echo "#define __DEVICETABLE_OFFSETS_H__"; \
echo "/*"; \
echo " * DO NOT MODIFY."; \
echo " *"; \
echo " * This file was generated by Kbuild"; \
echo " *"; \
echo " */"; \
echo ""; \
sed -ne $(sed-y) $<; \
echo ""; \
echo "#endif" ) > $@
endef
$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s
$(call if_changed,offsets)
$(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE
$(call filechk,offsets,__DEVICETABLE_OFFSETS_H__)
targets += $(devicetable-offsets-file) devicetable-offsets.s

6
sound/core/seq/seq_clientmgr.c
View file

@ -1260,6 +1260,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client,
struct snd_seq_client_port *port;
struct snd_seq_port_info info;
struct snd_seq_port_callback *callback;
int port_idx;
if (copy_from_user(&info, arg, sizeof(info)))
return -EFAULT;
@ -1273,7 +1274,9 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client,
return -ENOMEM;
if (client->type == USER_CLIENT && info.kernel) {
snd_seq_delete_port(client, port->addr.port);
port_idx = port->addr.port;
snd_seq_port_unlock(port);
snd_seq_delete_port(client, port_idx);
return -EINVAL;
}
if (client->type == KERNEL_CLIENT) {
@ -1294,6 +1297,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client,
snd_seq_set_port_info(port, &info);
snd_seq_system_client_ev_port_start(port->addr.client, port->addr.port);
snd_seq_port_unlock(port);
if (copy_to_user(arg, &info, sizeof(info)))
return -EFAULT;

7
sound/core/seq/seq_ports.c
View file

@ -122,7 +122,9 @@ static void port_subs_info_init(struct snd_seq_port_subs_info *grp)
}
/* create a port, port number is returned (-1 on failure) */
/* create a port, port number is returned (-1 on failure);
* the caller needs to unref the port via snd_seq_port_unlock() appropriately
*/
struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
int port)
{
@ -151,6 +153,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
snd_use_lock_init(&new_port->use_lock);
port_subs_info_init(&new_port->c_src);
port_subs_info_init(&new_port->c_dest);
snd_use_lock_use(&new_port->use_lock);
num = port >= 0 ? port : 0;
mutex_lock(&client->ports_mutex);
@ -165,9 +168,9 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
list_add_tail(&new_port->list, &p->list);
client->num_ports++;
new_port->addr.port = num; /* store the port number in the port */
sprintf(new_port->name, "port-%d", num);
write_unlock_irqrestore(&client->ports_lock, flags);
mutex_unlock(&client->ports_mutex);
sprintf(new_port->name, "port-%d", num);
return new_port;
}

27
sound/core/seq/seq_virmidi.c
View file

@ -77,13 +77,17 @@ static void snd_virmidi_init_event(struct snd_virmidi *vmidi,
* decode input event and put to read buffer of each opened file
*/
static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
struct snd_seq_event *ev)
struct snd_seq_event *ev,
bool atomic)
{
struct snd_virmidi *vmidi;
unsigned char msg[4];
int len;
read_lock(&rdev->filelist_lock);
if (atomic)
read_lock(&rdev->filelist_lock);
else
down_read(&rdev->filelist_sem);
list_for_each_entry(vmidi, &rdev->filelist, list) {
if (!vmidi->trigger)
continue;
@ -97,7 +101,10 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
snd_rawmidi_receive(vmidi->substream, msg, len);
}
}
read_unlock(&rdev->filelist_lock);
if (atomic)
read_unlock(&rdev->filelist_lock);
else
up_read(&rdev->filelist_sem);
return 0;
}
@ -115,7 +122,7 @@ int snd_virmidi_receive(struct snd_rawmidi *rmidi, struct snd_seq_event *ev)
struct snd_virmidi_dev *rdev;
rdev = rmidi->private_data;
return snd_virmidi_dev_receive_event(rdev, ev);
return snd_virmidi_dev_receive_event(rdev, ev, true);
}
#endif /* 0 */
@ -130,7 +137,7 @@ static int snd_virmidi_event_input(struct snd_seq_event *ev, int direct,
rdev = private_data;
if (!(rdev->flags & SNDRV_VIRMIDI_USE))
return 0; /* ignored */
return snd_virmidi_dev_receive_event(rdev, ev);
return snd_virmidi_dev_receive_event(rdev, ev, atomic);
}
/*
@ -209,7 +216,6 @@ static int snd_virmidi_input_open(struct snd_rawmidi_substream *substream)
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_rawmidi_runtime *runtime = substream->runtime;
struct snd_virmidi *vmidi;
unsigned long flags;
vmidi = kzalloc(sizeof(*vmidi), GFP_KERNEL);
if (vmidi == NULL)
@ -223,9 +229,11 @@ static int snd_virmidi_input_open(struct snd_rawmidi_substream *substream)
vmidi->client = rdev->client;
vmidi->port = rdev->port;
runtime->private_data = vmidi;
write_lock_irqsave(&rdev->filelist_lock, flags);
down_write(&rdev->filelist_sem);
write_lock_irq(&rdev->filelist_lock);
list_add_tail(&vmidi->list, &rdev->filelist);
write_unlock_irqrestore(&rdev->filelist_lock, flags);
write_unlock_irq(&rdev->filelist_lock);
up_write(&rdev->filelist_sem);
vmidi->rdev = rdev;
return 0;
}
@ -264,9 +272,11 @@ static int snd_virmidi_input_close(struct snd_rawmidi_substream *substream)
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_virmidi *vmidi = substream->runtime->private_data;
down_write(&rdev->filelist_sem);
write_lock_irq(&rdev->filelist_lock);
list_del(&vmidi->list);
write_unlock_irq(&rdev->filelist_lock);
up_write(&rdev->filelist_sem);
snd_midi_event_free(vmidi->parser);
substream->runtime->private_data = NULL;
kfree(vmidi);
@ -520,6 +530,7 @@ int snd_virmidi_new(struct snd_card *card, int device, struct snd_rawmidi **rrmi
rdev->rmidi = rmidi;
rdev->device = device;
rdev->client = -1;
init_rwsem(&rdev->filelist_sem);
rwlock_init(&rdev->filelist_lock);
INIT_LIST_HEAD(&rdev->filelist);
rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;

12
sound/usb/caiaq/device.c
View file

@ -469,10 +469,12 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
if (err)
return err;
goto err_kill_urb;
if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
return -ENODEV;
if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) {
err = -ENODEV;
goto err_kill_urb;
}
usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
cdev->vendor_name, CAIAQ_USB_STR_LEN);
@ -507,6 +509,10 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
setup_card(cdev);
return 0;
err_kill_urb:
usb_kill_urb(&cdev->ep1_in_urb);
return err;
}
static int snd_probe(struct usb_interface *intf,

7
sound/usb/line6/driver.c
View file

@ -586,9 +586,10 @@ int line6_probe(struct usb_interface *interface,
return 0;
error:
if (line6->disconnect)
line6->disconnect(line6);
snd_card_free(card);
/* we can call disconnect callback here because no close-sync is
* needed yet at this point
*/
line6_disconnect(interface);
return ret;
}
EXPORT_SYMBOL_GPL(line6_probe);

12
sound/usb/mixer.c
View file

@ -2436,6 +2436,9 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
{
/* kill pending URBs */
snd_usb_mixer_disconnect(mixer);
kfree(mixer->id_elems);
if (mixer->urb) {
kfree(mixer->urb->transfer_buffer);
@ -2862,8 +2865,13 @@ _error:
void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)
{
usb_kill_urb(mixer->urb);
usb_kill_urb(mixer->rc_urb);
if (mixer->disconnected)
return;
if (mixer->urb)
usb_kill_urb(mixer->urb);
if (mixer->rc_urb)
usb_kill_urb(mixer->rc_urb);
mixer->disconnected = true;
}
#ifdef CONFIG_PM

2
sound/usb/mixer.h
View file

@ -22,6 +22,8 @@ struct usb_mixer_interface {
struct urb *rc_urb;
struct usb_ctrlrequest *rc_setup_packet;
u8 rc_buffer[6];
bool disconnected;
};
#define MAX_CHANNELS 16 /* max logical channels */