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Message-ID: <2025071006-backrest-proud-3b0e@gregkh>
Date: Thu, 10 Jul 2025 16:47:06 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org,
torvalds@...ux-foundation.org,
stable@...r.kernel.org
Cc: lwn@....net,
jslaby@...e.cz,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: Linux 5.15.187
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu
index 1d657a6b1b53..0301ac606cdd 100644
--- a/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -524,6 +524,7 @@ What: /sys/devices/system/cpu/vulnerabilities
/sys/devices/system/cpu/vulnerabilities/spectre_v1
/sys/devices/system/cpu/vulnerabilities/spectre_v2
/sys/devices/system/cpu/vulnerabilities/srbds
+ /sys/devices/system/cpu/vulnerabilities/tsa
/sys/devices/system/cpu/vulnerabilities/tsx_async_abort
Date: January 2018
Contact: Linux kernel mailing list <linux-kernel@...r.kernel.org>
diff --git a/Documentation/ABI/testing/sysfs-driver-ufs b/Documentation/ABI/testing/sysfs-driver-ufs
index ec3a7149ced5..2e2e0b992233 100644
--- a/Documentation/ABI/testing/sysfs-driver-ufs
+++ b/Documentation/ABI/testing/sysfs-driver-ufs
@@ -655,7 +655,7 @@ Description: This file shows the thin provisioning type. This is one of
The file is read only.
-What: /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resourse_count
+What: /sys/class/scsi_device/*/device/unit_descriptor/physical_memory_resource_count
Date: February 2018
Contact: Stanislav Nijnikov <stanislav.nijnikov@....com>
Description: This file shows the total physical memory resources. This is
diff --git a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
index c98fd11907cc..e916dc232b0f 100644
--- a/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
+++ b/Documentation/admin-guide/hw-vuln/processor_mmio_stale_data.rst
@@ -157,9 +157,7 @@ This is achieved by using the otherwise unused and obsolete VERW instruction in
combination with a microcode update. The microcode clears the affected CPU
buffers when the VERW instruction is executed.
-Kernel reuses the MDS function to invoke the buffer clearing:
-
- mds_clear_cpu_buffers()
+Kernel does the buffer clearing with x86_clear_cpu_buffers().
On MDS affected CPUs, the kernel already invokes CPU buffer clear on
kernel/userspace, hypervisor/guest and C-state (idle) transitions. No
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index e5e7fddc962f..f12ba5c12b91 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5990,6 +5990,19 @@
If not specified, "default" is used. In this case,
the RNG's choice is left to each individual trust source.
+ tsa= [X86] Control mitigation for Transient Scheduler
+ Attacks on AMD CPUs. Search the following in your
+ favourite search engine for more details:
+
+ "Technical guidance for mitigating transient scheduler
+ attacks".
+
+ off - disable the mitigation
+ on - enable the mitigation (default)
+ user - mitigate only user/kernel transitions
+ vm - mitigate only guest/host transitions
+
+
tsc= Disable clocksource stability checks for TSC.
Format: <string>
[x86] reliable: mark tsc clocksource as reliable, this
diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml
index fa767440f281..ca59e2c1d255 100644
--- a/Documentation/devicetree/bindings/serial/8250.yaml
+++ b/Documentation/devicetree/bindings/serial/8250.yaml
@@ -44,7 +44,7 @@ allOf:
- ns16550
- ns16550a
then:
- anyOf:
+ oneOf:
- required: [ clock-frequency ]
- required: [ clocks ]
diff --git a/Makefile b/Makefile
index fbd1f5b5ebe0..6c9463d296dc 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 15
-SUBLEVEL = 186
+SUBLEVEL = 187
EXTRAVERSION =
NAME = Trick or Treat
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index 1408a6a15d0e..fa622b77c785 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -10,6 +10,7 @@
#include <uapi/asm/ptrace.h>
#ifndef __ASSEMBLY__
+#include <linux/bitfield.h>
#include <linux/types.h>
struct pt_regs {
@@ -35,8 +36,8 @@ struct svc_pt_regs {
#ifndef CONFIG_CPU_V7M
#define isa_mode(regs) \
- ((((regs)->ARM_cpsr & PSR_J_BIT) >> (__ffs(PSR_J_BIT) - 1)) | \
- (((regs)->ARM_cpsr & PSR_T_BIT) >> (__ffs(PSR_T_BIT))))
+ (FIELD_GET(PSR_J_BIT, (regs)->ARM_cpsr) << 1 | \
+ FIELD_GET(PSR_T_BIT, (regs)->ARM_cpsr))
#else
#define isa_mode(regs) 1 /* Thumb */
#endif
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index fc86e7465df4..e3e4defdea42 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -1466,7 +1466,8 @@ int pud_free_pmd_page(pud_t *pudp, unsigned long addr)
next = addr;
end = addr + PUD_SIZE;
do {
- pmd_free_pte_page(pmdp, next);
+ if (pmd_present(READ_ONCE(*pmdp)))
+ pmd_free_pte_page(pmdp, next);
} while (pmdp++, next += PMD_SIZE, next != end);
pud_clear(pudp);
diff --git a/arch/powerpc/include/uapi/asm/ioctls.h b/arch/powerpc/include/uapi/asm/ioctls.h
index 2c145da3b774..b5211e413829 100644
--- a/arch/powerpc/include/uapi/asm/ioctls.h
+++ b/arch/powerpc/include/uapi/asm/ioctls.h
@@ -23,10 +23,10 @@
#define TCSETSW _IOW('t', 21, struct termios)
#define TCSETSF _IOW('t', 22, struct termios)
-#define TCGETA _IOR('t', 23, struct termio)
-#define TCSETA _IOW('t', 24, struct termio)
-#define TCSETAW _IOW('t', 25, struct termio)
-#define TCSETAF _IOW('t', 28, struct termio)
+#define TCGETA 0x40147417 /* _IOR('t', 23, struct termio) */
+#define TCSETA 0x80147418 /* _IOW('t', 24, struct termio) */
+#define TCSETAW 0x80147419 /* _IOW('t', 25, struct termio) */
+#define TCSETAF 0x8014741c /* _IOW('t', 28, struct termio) */
#define TCSBRK _IO('t', 29)
#define TCXONC _IO('t', 30)
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index dc840ba0b016..c8071eb82e2e 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -23,7 +23,7 @@ endif
aflags_dwarf := -Wa,-gdwarf-2
KBUILD_AFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -D__ASSEMBLY__
KBUILD_AFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),$(aflags_dwarf))
-KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2
+KBUILD_CFLAGS_DECOMPRESSOR := $(CLANG_FLAGS) -m64 -O2 -std=gnu11
KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float -mbackchain
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 160290049e8c..14a5eff4d027 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -676,7 +676,7 @@ ENTRY(stack_overflow)
stmg %r0,%r7,__PT_R0(%r11)
stmg %r8,%r9,__PT_PSW(%r11)
mvc __PT_R8(64,%r11),0(%r14)
- stg %r10,__PT_ORIG_GPR2(%r11) # store last break to orig_gpr2
+ mvc __PT_ORIG_GPR2(8,%r11),__LC_LAST_BREAK
xc __SF_BACKCHAIN(8,%r15),__SF_BACKCHAIN(%r15)
lgr %r2,%r11 # pass pointer to pt_regs
jg kernel_stack_overflow
diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile
index d22ec8acb13c..677cbb654024 100644
--- a/arch/s390/purgatory/Makefile
+++ b/arch/s390/purgatory/Makefile
@@ -21,7 +21,7 @@ UBSAN_SANITIZE := n
KASAN_SANITIZE := n
KCSAN_SANITIZE := n
-KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes
+KBUILD_CFLAGS := -std=gnu11 -fno-strict-aliasing -Wall -Wstrict-prototypes
KBUILD_CFLAGS += -Wno-pointer-sign -Wno-sign-compare
KBUILD_CFLAGS += -fno-zero-initialized-in-bss -fno-builtin -ffreestanding
KBUILD_CFLAGS += -c -MD -Os -m64 -msoft-float -fno-common
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
index a1afe414ce48..fb5b1e7c133d 100644
--- a/arch/um/drivers/ubd_user.c
+++ b/arch/um/drivers/ubd_user.c
@@ -41,7 +41,7 @@ int start_io_thread(unsigned long sp, int *fd_out)
*fd_out = fds[1];
err = os_set_fd_block(*fd_out, 0);
- err = os_set_fd_block(kernel_fd, 0);
+ err |= os_set_fd_block(kernel_fd, 0);
if (err) {
printk("start_io_thread - failed to set nonblocking I/O.\n");
goto out_close;
diff --git a/arch/um/include/asm/asm-prototypes.h b/arch/um/include/asm/asm-prototypes.h
index 5898a26daa0d..408b31d59127 100644
--- a/arch/um/include/asm/asm-prototypes.h
+++ b/arch/um/include/asm/asm-prototypes.h
@@ -1 +1,6 @@
#include <asm-generic/asm-prototypes.h>
+#include <asm/checksum.h>
+
+#ifdef CONFIG_UML_X86
+extern void cmpxchg8b_emu(void);
+#endif
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 026a5714f78f..4eca434fd80b 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -2528,6 +2528,15 @@ config MITIGATION_ITS
disabled, mitigation cannot be enabled via cmdline.
See <file:Documentation/admin-guide/hw-vuln/indirect-target-selection.rst>
+config MITIGATION_TSA
+ bool "Mitigate Transient Scheduler Attacks"
+ depends on CPU_SUP_AMD
+ default y
+ help
+ Enable mitigation for Transient Scheduler Attacks. TSA is a hardware
+ security vulnerability on AMD CPUs which can lead to forwarding of
+ invalid info to subsequent instructions and thus can affect their
+ timing and thereby cause a leakage.
endif
config ARCH_HAS_ADD_PAGES
diff --git a/arch/x86/entry/entry.S b/arch/x86/entry/entry.S
index bda217961172..057eeb4eda4e 100644
--- a/arch/x86/entry/entry.S
+++ b/arch/x86/entry/entry.S
@@ -31,20 +31,20 @@ EXPORT_SYMBOL_GPL(entry_ibpb);
/*
* Define the VERW operand that is disguised as entry code so that
- * it can be referenced with KPTI enabled. This ensure VERW can be
+ * it can be referenced with KPTI enabled. This ensures VERW can be
* used late in exit-to-user path after page tables are switched.
*/
.pushsection .entry.text, "ax"
.align L1_CACHE_BYTES, 0xcc
-SYM_CODE_START_NOALIGN(mds_verw_sel)
+SYM_CODE_START_NOALIGN(x86_verw_sel)
UNWIND_HINT_EMPTY
ANNOTATE_NOENDBR
.word __KERNEL_DS
.align L1_CACHE_BYTES, 0xcc
-SYM_CODE_END(mds_verw_sel);
+SYM_CODE_END(x86_verw_sel);
/* For KVM */
-EXPORT_SYMBOL_GPL(mds_verw_sel);
+EXPORT_SYMBOL_GPL(x86_verw_sel);
.popsection
diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h
index 33d41e350c79..5a7491f968cd 100644
--- a/arch/x86/include/asm/cpu.h
+++ b/arch/x86/include/asm/cpu.h
@@ -72,4 +72,17 @@ void init_ia32_feat_ctl(struct cpuinfo_x86 *c);
#else
static inline void init_ia32_feat_ctl(struct cpuinfo_x86 *c) {}
#endif
+
+union zen_patch_rev {
+ struct {
+ __u32 rev : 8,
+ stepping : 4,
+ model : 4,
+ __reserved : 4,
+ ext_model : 4,
+ ext_fam : 8;
+ };
+ __u32 ucode_rev;
+};
+
#endif /* _ASM_X86_CPU_H */
diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index e2bf1cba02cd..63b84540cfb3 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -419,6 +419,7 @@
#define X86_FEATURE_SME_COHERENT (19*32+10) /* "" AMD hardware-enforced cache coherency */
#define X86_FEATURE_AUTOIBRS (20*32+ 8) /* "" Automatic IBRS */
+#define X86_FEATURE_VERW_CLEAR (20*32+ 10) /* "" The memory form of VERW mitigates TSA */
#define X86_FEATURE_SBPB (20*32+27) /* "" Selective Branch Prediction Barrier */
#define X86_FEATURE_IBPB_BRTYPE (20*32+28) /* "" MSR_PRED_CMD[IBPB] flushes all branch type predictions */
#define X86_FEATURE_SRSO_NO (20*32+29) /* "" CPU is not affected by SRSO */
@@ -435,6 +436,10 @@
#define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* "" Clear branch history at vmexit using SW loop */
#define X86_FEATURE_INDIRECT_THUNK_ITS (21*32 + 5) /* "" Use thunk for indirect branches in lower half of cacheline */
+#define X86_FEATURE_TSA_SQ_NO (21*32+11) /* "" AMD CPU not vulnerable to TSA-SQ */
+#define X86_FEATURE_TSA_L1_NO (21*32+12) /* "" AMD CPU not vulnerable to TSA-L1 */
+#define X86_FEATURE_CLEAR_CPU_BUF_VM (21*32+13) /* "" Clear CPU buffers using VERW before VMRUN */
+
/*
* BUG word(s)
*/
@@ -486,4 +491,5 @@
#define X86_BUG_IBPB_NO_RET X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
#define X86_BUG_ITS X86_BUG(1*32 + 5) /* CPU is affected by Indirect Target Selection */
#define X86_BUG_ITS_NATIVE_ONLY X86_BUG(1*32 + 6) /* CPU is affected by ITS, VMX is not affected */
+#define X86_BUG_TSA X86_BUG(1*32+ 9) /* "tsa" CPU is affected by Transient Scheduler Attacks */
#endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h
index c5ce9845c999..5c72543b107a 100644
--- a/arch/x86/include/asm/irqflags.h
+++ b/arch/x86/include/asm/irqflags.h
@@ -47,13 +47,13 @@ static __always_inline void native_irq_enable(void)
static inline __cpuidle void native_safe_halt(void)
{
- mds_idle_clear_cpu_buffers();
+ x86_idle_clear_cpu_buffers();
asm volatile("sti; hlt": : :"memory");
}
static inline __cpuidle void native_halt(void)
{
- mds_idle_clear_cpu_buffers();
+ x86_idle_clear_cpu_buffers();
asm volatile("hlt": : :"memory");
}
diff --git a/arch/x86/include/asm/mwait.h b/arch/x86/include/asm/mwait.h
index 29dd27b5a339..2a2de4f3cb20 100644
--- a/arch/x86/include/asm/mwait.h
+++ b/arch/x86/include/asm/mwait.h
@@ -43,8 +43,6 @@ static inline void __monitorx(const void *eax, unsigned long ecx,
static inline void __mwait(unsigned long eax, unsigned long ecx)
{
- mds_idle_clear_cpu_buffers();
-
/* "mwait %eax, %ecx;" */
asm volatile(".byte 0x0f, 0x01, 0xc9;"
:: "a" (eax), "c" (ecx));
@@ -79,7 +77,7 @@ static inline void __mwait(unsigned long eax, unsigned long ecx)
static inline void __mwaitx(unsigned long eax, unsigned long ebx,
unsigned long ecx)
{
- /* No MDS buffer clear as this is AMD/HYGON only */
+ /* No need for TSA buffer clearing on AMD */
/* "mwaitx %eax, %ebx, %ecx;" */
asm volatile(".byte 0x0f, 0x01, 0xfb;"
@@ -88,7 +86,7 @@ static inline void __mwaitx(unsigned long eax, unsigned long ebx,
static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
{
- mds_idle_clear_cpu_buffers();
+
/* "mwait %eax, %ecx;" */
asm volatile("sti; .byte 0x0f, 0x01, 0xc9;"
:: "a" (eax), "c" (ecx));
@@ -106,6 +104,11 @@ static inline void __sti_mwait(unsigned long eax, unsigned long ecx)
*/
static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
{
+ if (need_resched())
+ return;
+
+ x86_idle_clear_cpu_buffers();
+
if (static_cpu_has_bug(X86_BUG_MONITOR) || !current_set_polling_and_test()) {
if (static_cpu_has_bug(X86_BUG_CLFLUSH_MONITOR)) {
mb();
@@ -114,9 +117,13 @@ static inline void mwait_idle_with_hints(unsigned long eax, unsigned long ecx)
}
__monitor((void *)¤t_thread_info()->flags, 0, 0);
- if (!need_resched())
- __mwait(eax, ecx);
+ if (need_resched())
+ goto out;
+
+ __mwait(eax, ecx);
}
+
+out:
current_clr_polling();
}
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index 17156b61fcc3..b62ce153a3c4 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -202,27 +202,33 @@
.endm
/*
- * Macro to execute VERW instruction that mitigate transient data sampling
- * attacks such as MDS. On affected systems a microcode update overloaded VERW
- * instruction to also clear the CPU buffers. VERW clobbers CFLAGS.ZF.
- *
+ * Macro to execute VERW insns that mitigate transient data sampling
+ * attacks such as MDS or TSA. On affected systems a microcode update
+ * overloaded VERW insns to also clear the CPU buffers. VERW clobbers
+ * CFLAGS.ZF.
* Note: Only the memory operand variant of VERW clears the CPU buffers.
*/
-.macro CLEAR_CPU_BUFFERS
- ALTERNATIVE "jmp .Lskip_verw_\@", "", X86_FEATURE_CLEAR_CPU_BUF
+.macro __CLEAR_CPU_BUFFERS feature
+ ALTERNATIVE "jmp .Lskip_verw_\@", "", \feature
#ifdef CONFIG_X86_64
- verw mds_verw_sel(%rip)
+ verw x86_verw_sel(%rip)
#else
/*
* In 32bit mode, the memory operand must be a %cs reference. The data
* segments may not be usable (vm86 mode), and the stack segment may not
* be flat (ESPFIX32).
*/
- verw %cs:mds_verw_sel
+ verw %cs:x86_verw_sel
#endif
.Lskip_verw_\@:
.endm
+#define CLEAR_CPU_BUFFERS \
+ __CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF
+
+#define VM_CLEAR_CPU_BUFFERS \
+ __CLEAR_CPU_BUFFERS X86_FEATURE_CLEAR_CPU_BUF_VM
+
#ifdef CONFIG_X86_64
.macro CLEAR_BRANCH_HISTORY
ALTERNATIVE "", "call clear_bhb_loop", X86_FEATURE_CLEAR_BHB_LOOP
@@ -429,24 +435,24 @@ DECLARE_STATIC_KEY_FALSE(switch_to_cond_stibp);
DECLARE_STATIC_KEY_FALSE(switch_mm_cond_ibpb);
DECLARE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
-DECLARE_STATIC_KEY_FALSE(mds_idle_clear);
+DECLARE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
DECLARE_STATIC_KEY_FALSE(switch_mm_cond_l1d_flush);
DECLARE_STATIC_KEY_FALSE(mmio_stale_data_clear);
-extern u16 mds_verw_sel;
+extern u16 x86_verw_sel;
#include <asm/segment.h>
/**
- * mds_clear_cpu_buffers - Mitigation for MDS and TAA vulnerability
+ * x86_clear_cpu_buffers - Buffer clearing support for different x86 CPU vulns
*
* This uses the otherwise unused and obsolete VERW instruction in
* combination with microcode which triggers a CPU buffer flush when the
* instruction is executed.
*/
-static __always_inline void mds_clear_cpu_buffers(void)
+static __always_inline void x86_clear_cpu_buffers(void)
{
static const u16 ds = __KERNEL_DS;
@@ -463,14 +469,15 @@ static __always_inline void mds_clear_cpu_buffers(void)
}
/**
- * mds_idle_clear_cpu_buffers - Mitigation for MDS vulnerability
+ * x86_idle_clear_cpu_buffers - Buffer clearing support in idle for the MDS
+ * and TSA vulnerabilities.
*
* Clear CPU buffers if the corresponding static key is enabled
*/
-static inline void mds_idle_clear_cpu_buffers(void)
+static __always_inline void x86_idle_clear_cpu_buffers(void)
{
- if (static_branch_likely(&mds_idle_clear))
- mds_clear_cpu_buffers();
+ if (static_branch_likely(&cpu_buf_idle_clear))
+ x86_clear_cpu_buffers();
}
#endif /* __ASSEMBLY__ */
diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c
index a8dc7fe5f100..d409ba7fba85 100644
--- a/arch/x86/kernel/cpu/amd.c
+++ b/arch/x86/kernel/cpu/amd.c
@@ -582,6 +582,61 @@ static void early_init_amd_mc(struct cpuinfo_x86 *c)
#endif
}
+static bool amd_check_tsa_microcode(void)
+{
+ struct cpuinfo_x86 *c = &boot_cpu_data;
+ union zen_patch_rev p;
+ u32 min_rev = 0;
+
+ p.ext_fam = c->x86 - 0xf;
+ p.model = c->x86_model;
+ p.stepping = c->x86_stepping;
+
+ if (c->x86 == 0x19) {
+ switch (p.ucode_rev >> 8) {
+ case 0xa0011: min_rev = 0x0a0011d7; break;
+ case 0xa0012: min_rev = 0x0a00123b; break;
+ case 0xa0082: min_rev = 0x0a00820d; break;
+ case 0xa1011: min_rev = 0x0a10114c; break;
+ case 0xa1012: min_rev = 0x0a10124c; break;
+ case 0xa1081: min_rev = 0x0a108109; break;
+ case 0xa2010: min_rev = 0x0a20102e; break;
+ case 0xa2012: min_rev = 0x0a201211; break;
+ case 0xa4041: min_rev = 0x0a404108; break;
+ case 0xa5000: min_rev = 0x0a500012; break;
+ case 0xa6012: min_rev = 0x0a60120a; break;
+ case 0xa7041: min_rev = 0x0a704108; break;
+ case 0xa7052: min_rev = 0x0a705208; break;
+ case 0xa7080: min_rev = 0x0a708008; break;
+ case 0xa70c0: min_rev = 0x0a70c008; break;
+ case 0xaa002: min_rev = 0x0aa00216; break;
+ default:
+ pr_debug("%s: ucode_rev: 0x%x, current revision: 0x%x\n",
+ __func__, p.ucode_rev, c->microcode);
+ return false;
+ }
+ }
+
+ if (!min_rev)
+ return false;
+
+ return c->microcode >= min_rev;
+}
+
+static void tsa_init(struct cpuinfo_x86 *c)
+{
+ if (cpu_has(c, X86_FEATURE_HYPERVISOR))
+ return;
+
+ if (c->x86 == 0x19) {
+ if (amd_check_tsa_microcode())
+ setup_force_cpu_cap(X86_FEATURE_VERW_CLEAR);
+ } else {
+ setup_force_cpu_cap(X86_FEATURE_TSA_SQ_NO);
+ setup_force_cpu_cap(X86_FEATURE_TSA_L1_NO);
+ }
+}
+
static void bsp_init_amd(struct cpuinfo_x86 *c)
{
if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) {
@@ -687,6 +742,9 @@ static void early_detect_mem_encrypt(struct cpuinfo_x86 *c)
if (!(msr & MSR_K7_HWCR_SMMLOCK))
goto clear_sev;
+
+ tsa_init(c);
+
return;
clear_all:
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 63af3d73d19e..261aa716971d 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -49,6 +49,7 @@ static void __init l1d_flush_select_mitigation(void);
static void __init gds_select_mitigation(void);
static void __init srso_select_mitigation(void);
static void __init its_select_mitigation(void);
+static void __init tsa_select_mitigation(void);
/* The base value of the SPEC_CTRL MSR without task-specific bits set */
u64 x86_spec_ctrl_base;
@@ -121,9 +122,9 @@ DEFINE_STATIC_KEY_FALSE(switch_mm_cond_ibpb);
/* Control unconditional IBPB in switch_mm() */
DEFINE_STATIC_KEY_FALSE(switch_mm_always_ibpb);
-/* Control MDS CPU buffer clear before idling (halt, mwait) */
-DEFINE_STATIC_KEY_FALSE(mds_idle_clear);
-EXPORT_SYMBOL_GPL(mds_idle_clear);
+/* Control CPU buffer clear before idling (halt, mwait) */
+DEFINE_STATIC_KEY_FALSE(cpu_buf_idle_clear);
+EXPORT_SYMBOL_GPL(cpu_buf_idle_clear);
/*
* Controls whether l1d flush based mitigations are enabled,
@@ -184,6 +185,7 @@ void __init cpu_select_mitigations(void)
srso_select_mitigation();
gds_select_mitigation();
its_select_mitigation();
+ tsa_select_mitigation();
}
/*
@@ -451,7 +453,7 @@ static void __init mmio_select_mitigation(void)
* is required irrespective of SMT state.
*/
if (!(x86_arch_cap_msr & ARCH_CAP_FBSDP_NO))
- static_branch_enable(&mds_idle_clear);
+ static_branch_enable(&cpu_buf_idle_clear);
/*
* Check if the system has the right microcode.
@@ -2028,10 +2030,10 @@ static void update_mds_branch_idle(void)
return;
if (sched_smt_active()) {
- static_branch_enable(&mds_idle_clear);
+ static_branch_enable(&cpu_buf_idle_clear);
} else if (mmio_mitigation == MMIO_MITIGATION_OFF ||
(x86_arch_cap_msr & ARCH_CAP_FBSDP_NO)) {
- static_branch_disable(&mds_idle_clear);
+ static_branch_disable(&cpu_buf_idle_clear);
}
}
@@ -2039,6 +2041,94 @@ static void update_mds_branch_idle(void)
#define TAA_MSG_SMT "TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.\n"
#define MMIO_MSG_SMT "MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.\n"
+#undef pr_fmt
+#define pr_fmt(fmt) "Transient Scheduler Attacks: " fmt
+
+enum tsa_mitigations {
+ TSA_MITIGATION_NONE,
+ TSA_MITIGATION_UCODE_NEEDED,
+ TSA_MITIGATION_USER_KERNEL,
+ TSA_MITIGATION_VM,
+ TSA_MITIGATION_FULL,
+};
+
+static const char * const tsa_strings[] = {
+ [TSA_MITIGATION_NONE] = "Vulnerable",
+ [TSA_MITIGATION_UCODE_NEEDED] = "Vulnerable: Clear CPU buffers attempted, no microcode",
+ [TSA_MITIGATION_USER_KERNEL] = "Mitigation: Clear CPU buffers: user/kernel boundary",
+ [TSA_MITIGATION_VM] = "Mitigation: Clear CPU buffers: VM",
+ [TSA_MITIGATION_FULL] = "Mitigation: Clear CPU buffers",
+};
+
+static enum tsa_mitigations tsa_mitigation __ro_after_init =
+ IS_ENABLED(CONFIG_MITIGATION_TSA) ? TSA_MITIGATION_FULL : TSA_MITIGATION_NONE;
+
+static int __init tsa_parse_cmdline(char *str)
+{
+ if (!str)
+ return -EINVAL;
+
+ if (!strcmp(str, "off"))
+ tsa_mitigation = TSA_MITIGATION_NONE;
+ else if (!strcmp(str, "on"))
+ tsa_mitigation = TSA_MITIGATION_FULL;
+ else if (!strcmp(str, "user"))
+ tsa_mitigation = TSA_MITIGATION_USER_KERNEL;
+ else if (!strcmp(str, "vm"))
+ tsa_mitigation = TSA_MITIGATION_VM;
+ else
+ pr_err("Ignoring unknown tsa=%s option.\n", str);
+
+ return 0;
+}
+early_param("tsa", tsa_parse_cmdline);
+
+static void __init tsa_select_mitigation(void)
+{
+ if (tsa_mitigation == TSA_MITIGATION_NONE)
+ return;
+
+ if (cpu_mitigations_off() || !boot_cpu_has_bug(X86_BUG_TSA)) {
+ tsa_mitigation = TSA_MITIGATION_NONE;
+ return;
+ }
+
+ if (!boot_cpu_has(X86_FEATURE_VERW_CLEAR))
+ tsa_mitigation = TSA_MITIGATION_UCODE_NEEDED;
+
+ switch (tsa_mitigation) {
+ case TSA_MITIGATION_USER_KERNEL:
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+ break;
+
+ case TSA_MITIGATION_VM:
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+ break;
+
+ case TSA_MITIGATION_UCODE_NEEDED:
+ if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
+ goto out;
+
+ pr_notice("Forcing mitigation on in a VM\n");
+
+ /*
+ * On the off-chance that microcode has been updated
+ * on the host, enable the mitigation in the guest just
+ * in case.
+ */
+ fallthrough;
+ case TSA_MITIGATION_FULL:
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF);
+ setup_force_cpu_cap(X86_FEATURE_CLEAR_CPU_BUF_VM);
+ break;
+ default:
+ break;
+ }
+
+out:
+ pr_info("%s\n", tsa_strings[tsa_mitigation]);
+}
+
void cpu_bugs_smt_update(void)
{
mutex_lock(&spec_ctrl_mutex);
@@ -2092,6 +2182,24 @@ void cpu_bugs_smt_update(void)
break;
}
+ switch (tsa_mitigation) {
+ case TSA_MITIGATION_USER_KERNEL:
+ case TSA_MITIGATION_VM:
+ case TSA_MITIGATION_FULL:
+ case TSA_MITIGATION_UCODE_NEEDED:
+ /*
+ * TSA-SQ can potentially lead to info leakage between
+ * SMT threads.
+ */
+ if (sched_smt_active())
+ static_branch_enable(&cpu_buf_idle_clear);
+ else
+ static_branch_disable(&cpu_buf_idle_clear);
+ break;
+ case TSA_MITIGATION_NONE:
+ break;
+ }
+
mutex_unlock(&spec_ctrl_mutex);
}
@@ -3026,6 +3134,11 @@ static ssize_t srso_show_state(char *buf)
boot_cpu_has(X86_FEATURE_IBPB_BRTYPE) ? "" : ", no microcode");
}
+static ssize_t tsa_show_state(char *buf)
+{
+ return sysfs_emit(buf, "%s\n", tsa_strings[tsa_mitigation]);
+}
+
static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr,
char *buf, unsigned int bug)
{
@@ -3087,6 +3200,9 @@ static ssize_t cpu_show_common(struct device *dev, struct device_attribute *attr
case X86_BUG_ITS:
return its_show_state(buf);
+ case X86_BUG_TSA:
+ return tsa_show_state(buf);
+
default:
break;
}
@@ -3171,4 +3287,9 @@ ssize_t cpu_show_indirect_target_selection(struct device *dev, struct device_att
{
return cpu_show_common(dev, attr, buf, X86_BUG_ITS);
}
+
+ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return cpu_show_common(dev, attr, buf, X86_BUG_TSA);
+}
#endif
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 8db11483e1e1..b16a77386236 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -1146,6 +1146,8 @@ static const __initconst struct x86_cpu_id cpu_vuln_whitelist[] = {
#define ITS BIT(8)
/* CPU is affected by Indirect Target Selection, but guest-host isolation is not affected */
#define ITS_NATIVE_ONLY BIT(9)
+/* CPU is affected by Transient Scheduler Attacks */
+#define TSA BIT(10)
static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
VULNBL_INTEL_STEPPINGS(IVYBRIDGE, X86_STEPPING_ANY, SRBDS),
@@ -1193,7 +1195,7 @@ static const struct x86_cpu_id cpu_vuln_blacklist[] __initconst = {
VULNBL_AMD(0x16, RETBLEED),
VULNBL_AMD(0x17, RETBLEED | SMT_RSB | SRSO),
VULNBL_HYGON(0x18, RETBLEED | SMT_RSB | SRSO),
- VULNBL_AMD(0x19, SRSO),
+ VULNBL_AMD(0x19, SRSO | TSA),
{}
};
@@ -1398,6 +1400,16 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
setup_force_cpu_bug(X86_BUG_ITS_NATIVE_ONLY);
}
+ if (c->x86_vendor == X86_VENDOR_AMD) {
+ if (!cpu_has(c, X86_FEATURE_TSA_SQ_NO) ||
+ !cpu_has(c, X86_FEATURE_TSA_L1_NO)) {
+ if (cpu_matches(cpu_vuln_blacklist, TSA) ||
+ /* Enable bug on Zen guests to allow for live migration. */
+ (cpu_has(c, X86_FEATURE_HYPERVISOR) && cpu_has(c, X86_FEATURE_ZEN)))
+ setup_force_cpu_bug(X86_BUG_TSA);
+ }
+ }
+
if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
return;
diff --git a/arch/x86/kernel/cpu/scattered.c b/arch/x86/kernel/cpu/scattered.c
index 0f5211087810..dfcd3ed94c1c 100644
--- a/arch/x86/kernel/cpu/scattered.c
+++ b/arch/x86/kernel/cpu/scattered.c
@@ -44,6 +44,8 @@ static const struct cpuid_bit cpuid_bits[] = {
{ X86_FEATURE_CPB, CPUID_EDX, 9, 0x80000007, 0 },
{ X86_FEATURE_PROC_FEEDBACK, CPUID_EDX, 11, 0x80000007, 0 },
{ X86_FEATURE_MBA, CPUID_EBX, 6, 0x80000008, 0 },
+ { X86_FEATURE_TSA_SQ_NO, CPUID_ECX, 1, 0x80000021, 0 },
+ { X86_FEATURE_TSA_L1_NO, CPUID_ECX, 2, 0x80000021, 0 },
{ 0, 0, 0, 0, 0 }
};
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 81d82ca6291e..5ce91d5dfab0 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -836,6 +836,11 @@ static int prefer_mwait_c1_over_halt(const struct cpuinfo_x86 *c)
*/
static __cpuidle void mwait_idle(void)
{
+ if (need_resched())
+ return;
+
+ x86_idle_clear_cpu_buffers();
+
if (!current_set_polling_and_test()) {
if (this_cpu_has(X86_BUG_CLFLUSH_MONITOR)) {
mb(); /* quirk */
@@ -844,13 +849,17 @@ static __cpuidle void mwait_idle(void)
}
__monitor((void *)¤t_thread_info()->flags, 0, 0);
- if (!need_resched())
- __sti_mwait(0, 0);
- else
+ if (need_resched()) {
raw_local_irq_enable();
+ goto out;
+ }
+
+ __sti_mwait(0, 0);
} else {
raw_local_irq_enable();
}
+
+out:
__current_clr_polling();
}
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 786584a9904c..3bdb522d48bc 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -553,6 +553,12 @@ void kvm_set_cpu_caps(void)
if (cpu_feature_enabled(X86_FEATURE_SRSO_NO))
kvm_cpu_cap_set(X86_FEATURE_SRSO_NO);
+ kvm_cpu_cap_mask(CPUID_8000_0021_EAX, F(VERW_CLEAR));
+
+ kvm_cpu_cap_init_kvm_defined(CPUID_8000_0021_ECX,
+ F(TSA_SQ_NO) | F(TSA_L1_NO)
+ );
+
/*
* Hide RDTSCP and RDPID if either feature is reported as supported but
* probing MSR_TSC_AUX failed. This is purely a sanity check and
@@ -915,7 +921,7 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->edx = 0;
break;
case 0x80000000:
- entry->eax = min(entry->eax, 0x8000001f);
+ entry->eax = min(entry->eax, 0x80000021);
break;
case 0x80000001:
entry->ebx &= ~GENMASK(27, 16);
@@ -995,6 +1001,23 @@ static inline int __do_cpuid_func(struct kvm_cpuid_array *array, u32 function)
entry->ebx &= ~GENMASK(11, 6);
}
break;
+ case 0x80000020:
+ entry->eax = entry->ebx = entry->ecx = entry->edx = 0;
+ break;
+ case 0x80000021:
+ entry->ebx = entry->ecx = entry->edx = 0;
+ /*
+ * Pass down these bits:
+ * EAX 0 NNDBP, Processor ignores nested data breakpoints
+ * EAX 2 LAS, LFENCE always serializing
+ * EAX 6 NSCB, Null selector clear base
+ *
+ * Other defined bits are for MSRs that KVM does not expose:
+ * EAX 3 SPCL, SMM page configuration lock
+ * EAX 13 PCMSR, Prefetch control MSR
+ */
+ entry->eax &= BIT(0) | BIT(2) | BIT(6);
+ break;
/*Add support for Centaur's CPUID instruction*/
case 0xC0000000:
/*Just support up to 0xC0000004 now*/
diff --git a/arch/x86/kvm/reverse_cpuid.h b/arch/x86/kvm/reverse_cpuid.h
index e43909d6504a..7fbd24fbf363 100644
--- a/arch/x86/kvm/reverse_cpuid.h
+++ b/arch/x86/kvm/reverse_cpuid.h
@@ -14,6 +14,7 @@
enum kvm_only_cpuid_leafs {
CPUID_12_EAX = NCAPINTS,
CPUID_7_2_EDX,
+ CPUID_8000_0021_ECX,
NR_KVM_CPU_CAPS,
NKVMCAPINTS = NR_KVM_CPU_CAPS - NCAPINTS,
@@ -45,6 +46,10 @@ enum kvm_only_cpuid_leafs {
#define KVM_X86_FEATURE_BHI_CTRL KVM_X86_FEATURE(CPUID_7_2_EDX, 4)
#define X86_FEATURE_MCDT_NO KVM_X86_FEATURE(CPUID_7_2_EDX, 5)
+/* CPUID level 0x80000021 (ECX) */
+#define KVM_X86_FEATURE_TSA_SQ_NO KVM_X86_FEATURE(CPUID_8000_0021_ECX, 1)
+#define KVM_X86_FEATURE_TSA_L1_NO KVM_X86_FEATURE(CPUID_8000_0021_ECX, 2)
+
struct cpuid_reg {
u32 function;
u32 index;
@@ -71,6 +76,7 @@ static const struct cpuid_reg reverse_cpuid[] = {
[CPUID_8000_001F_EAX] = {0x8000001f, 0, CPUID_EAX},
[CPUID_8000_0021_EAX] = {0x80000021, 0, CPUID_EAX},
[CPUID_7_2_EDX] = { 7, 2, CPUID_EDX},
+ [CPUID_8000_0021_ECX] = {0x80000021, 0, CPUID_ECX},
};
/*
@@ -107,6 +113,8 @@ static __always_inline u32 __feature_translate(int x86_feature)
KVM_X86_TRANSLATE_FEATURE(SGX2);
KVM_X86_TRANSLATE_FEATURE(RRSBA_CTRL);
KVM_X86_TRANSLATE_FEATURE(BHI_CTRL);
+ KVM_X86_TRANSLATE_FEATURE(TSA_SQ_NO);
+ KVM_X86_TRANSLATE_FEATURE(TSA_L1_NO);
default:
return x86_feature;
}
diff --git a/arch/x86/kvm/svm/vmenter.S b/arch/x86/kvm/svm/vmenter.S
index f96060855522..eeab012e4ee0 100644
--- a/arch/x86/kvm/svm/vmenter.S
+++ b/arch/x86/kvm/svm/vmenter.S
@@ -77,6 +77,9 @@ SYM_FUNC_START(__svm_vcpu_run)
/* "POP" @vmcb to RAX. */
pop %_ASM_AX
+ /* Clobbers EFLAGS.ZF */
+ VM_CLEAR_CPU_BUFFERS
+
/* Enter guest mode */
sti
@@ -190,6 +193,9 @@ SYM_FUNC_START(__svm_sev_es_vcpu_run)
/* Move @vmcb to RAX. */
mov %_ASM_ARG1, %_ASM_AX
+ /* Clobbers EFLAGS.ZF */
+ VM_CLEAR_CPU_BUFFERS
+
/* Enter guest mode */
sti
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 5e3e60bdaa5e..b0553e002e0a 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6771,7 +6771,7 @@ static noinstr void vmx_vcpu_enter_exit(struct kvm_vcpu *vcpu,
vmx_l1d_flush(vcpu);
else if (static_branch_unlikely(&mmio_stale_data_clear) &&
kvm_arch_has_assigned_device(vcpu->kvm))
- mds_clear_cpu_buffers();
+ x86_clear_cpu_buffers();
vmx_disable_fb_clear(vmx);
diff --git a/arch/x86/um/asm/checksum.h b/arch/x86/um/asm/checksum.h
index b07824500363..ddc144657efa 100644
--- a/arch/x86/um/asm/checksum.h
+++ b/arch/x86/um/asm/checksum.h
@@ -20,6 +20,9 @@
*/
extern __wsum csum_partial(const void *buff, int len, __wsum sum);
+/* Do not call this directly. Declared for export type visibility. */
+extern __visible __wsum csum_partial_copy_generic(const void *src, void *dst, int len);
+
/**
* csum_fold - Fold and invert a 32bit checksum.
* sum: 32bit unfolded sum
diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c
index ee1832ba39a2..132ab74935be 100644
--- a/drivers/acpi/acpica/dsmethod.c
+++ b/drivers/acpi/acpica/dsmethod.c
@@ -483,6 +483,13 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread,
return_ACPI_STATUS(AE_NULL_OBJECT);
}
+ if (this_walk_state->num_operands < obj_desc->method.param_count) {
+ ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
+ acpi_ut_get_node_name(method_node)));
+
+ return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
+ }
+
/* Init for new method, possibly wait on method mutex */
status =
diff --git a/drivers/ata/pata_cs5536.c b/drivers/ata/pata_cs5536.c
index 760ac6e65216..3737d1bf1539 100644
--- a/drivers/ata/pata_cs5536.c
+++ b/drivers/ata/pata_cs5536.c
@@ -27,7 +27,7 @@
#include <scsi/scsi_host.h>
#include <linux/dmi.h>
-#ifdef CONFIG_X86_32
+#if defined(CONFIG_X86) && defined(CONFIG_X86_32)
#include <asm/msr.h>
static int use_msr;
module_param_named(msr, use_msr, int, 0644);
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index df196e073097..0e7f7f54665d 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -601,6 +601,11 @@ ssize_t __weak cpu_show_indirect_target_selection(struct device *dev,
return sysfs_emit(buf, "Not affected\n");
}
+ssize_t __weak cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ return sysfs_emit(buf, "Not affected\n");
+}
+
static DEVICE_ATTR(meltdown, 0444, cpu_show_meltdown, NULL);
static DEVICE_ATTR(spectre_v1, 0444, cpu_show_spectre_v1, NULL);
static DEVICE_ATTR(spectre_v2, 0444, cpu_show_spectre_v2, NULL);
@@ -616,6 +621,7 @@ static DEVICE_ATTR(gather_data_sampling, 0444, cpu_show_gds, NULL);
static DEVICE_ATTR(spec_rstack_overflow, 0444, cpu_show_spec_rstack_overflow, NULL);
static DEVICE_ATTR(reg_file_data_sampling, 0444, cpu_show_reg_file_data_sampling, NULL);
static DEVICE_ATTR(indirect_target_selection, 0444, cpu_show_indirect_target_selection, NULL);
+static DEVICE_ATTR(tsa, 0444, cpu_show_tsa, NULL);
static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_meltdown.attr,
@@ -633,6 +639,7 @@ static struct attribute *cpu_root_vulnerabilities_attrs[] = {
&dev_attr_spec_rstack_overflow.attr,
&dev_attr_reg_file_data_sampling.attr,
&dev_attr_indirect_target_selection.attr,
+ &dev_attr_tsa.attr,
NULL
};
diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c
index 46c0add99570..6e97a541cfd3 100644
--- a/drivers/clk/ti/clk-43xx.c
+++ b/drivers/clk/ti/clk-43xx.c
@@ -116,6 +116,7 @@ static const struct omap_clkctrl_reg_data am4_l3s_clkctrl_regs[] __initconst = {
{ AM4_L3S_VPFE0_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" },
{ AM4_L3S_VPFE1_CLKCTRL, NULL, CLKF_SW_SUP, "l3_gclk" },
{ AM4_L3S_GPMC_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk" },
+ { AM4_L3S_ADC1_CLKCTRL, NULL, CLKF_SW_SUP, "l3s_gclk" },
{ AM4_L3S_MCASP0_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp0_fck" },
{ AM4_L3S_MCASP1_CLKCTRL, NULL, CLKF_SW_SUP, "mcasp1_fck" },
{ AM4_L3S_MMC3_CLKCTRL, NULL, CLKF_SW_SUP, "mmc_clk" },
diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index edc2bb8f0523..48ac51447bae 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -2861,6 +2861,8 @@ static int xilinx_dma_chan_probe(struct xilinx_dma_device *xdev,
return -EINVAL;
}
+ xdev->common.directions |= chan->direction;
+
/* Request the interrupt */
chan->irq = irq_of_parse_and_map(node, chan->tdest);
err = request_irq(chan->irq, xdev->dma_config->irq_handler,
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
index 7ea3f671b325..250527075acd 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
@@ -195,7 +195,7 @@ static int pm_map_queues_v9(struct packet_manager *pm, uint32_t *buffer,
packet->bitfields2.engine_sel =
engine_sel__mes_map_queues__compute_vi;
- packet->bitfields2.gws_control_queue = q->gws ? 1 : 0;
+ packet->bitfields2.gws_control_queue = q->properties.is_gws ? 1 : 0;
packet->bitfields2.extended_engine_sel =
extended_engine_sel__mes_map_queues__legacy_engine_sel;
packet->bitfields2.queue_type =
diff --git a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
index 11939be2b46a..b840da3f052a 100644
--- a/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
+++ b/drivers/gpu/drm/amd/display/modules/hdcp/hdcp_psp.c
@@ -364,6 +364,9 @@ enum mod_hdcp_status mod_hdcp_hdcp1_enable_encryption(struct mod_hdcp *hdcp)
struct mod_hdcp_display *display = get_first_active_display(hdcp);
enum mod_hdcp_status status = MOD_HDCP_STATUS_SUCCESS;
+ if (!display)
+ return MOD_HDCP_STATUS_DISPLAY_NOT_FOUND;
+
mutex_lock(&psp->hdcp_context.mutex);
hdcp_cmd = (struct ta_hdcp_shared_memory *)psp->hdcp_context.context.mem_context.shared_buf;
memset(hdcp_cmd, 0, sizeof(struct ta_hdcp_shared_memory));
diff --git a/drivers/gpu/drm/bridge/cdns-dsi.c b/drivers/gpu/drm/bridge/cdns-dsi.c
index dd57b104aec3..3455c690f85a 100644
--- a/drivers/gpu/drm/bridge/cdns-dsi.c
+++ b/drivers/gpu/drm/bridge/cdns-dsi.c
@@ -608,15 +608,18 @@ static int cdns_dsi_check_conf(struct cdns_dsi *dsi,
struct phy_configure_opts_mipi_dphy *phy_cfg = &output->phy_opts.mipi_dphy;
unsigned long dsi_hss_hsa_hse_hbp;
unsigned int nlanes = output->dev->lanes;
+ int mode_clock = (mode_valid_check ? mode->clock : mode->crtc_clock);
int ret;
ret = cdns_dsi_mode2cfg(dsi, mode, dsi_cfg, mode_valid_check);
if (ret)
return ret;
- phy_mipi_dphy_get_default_config(mode->crtc_clock * 1000,
- mipi_dsi_pixel_format_to_bpp(output->dev->format),
- nlanes, phy_cfg);
+ ret = phy_mipi_dphy_get_default_config(mode_clock * 1000,
+ mipi_dsi_pixel_format_to_bpp(output->dev->format),
+ nlanes, phy_cfg);
+ if (ret)
+ return ret;
ret = cdns_dsi_adjust_phy_config(dsi, dsi_cfg, phy_cfg, mode, mode_valid_check);
if (ret)
@@ -786,8 +789,9 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
struct phy_configure_opts_mipi_dphy *phy_cfg = &output->phy_opts.mipi_dphy;
unsigned long tx_byte_period;
struct cdns_dsi_cfg dsi_cfg;
- u32 tmp, reg_wakeup, div;
+ u32 tmp, reg_wakeup, div, status;
int nlanes;
+ int i;
if (WARN_ON(pm_runtime_get_sync(dsi->base.dev) < 0))
return;
@@ -800,6 +804,19 @@ static void cdns_dsi_bridge_enable(struct drm_bridge *bridge)
cdns_dsi_hs_init(dsi);
cdns_dsi_init_link(dsi);
+ /*
+ * Now that the DSI Link and DSI Phy are initialized,
+ * wait for the CLK and Data Lanes to be ready.
+ */
+ tmp = CLK_LANE_RDY;
+ for (i = 0; i < nlanes; i++)
+ tmp |= DATA_LANE_RDY(i);
+
+ if (readl_poll_timeout(dsi->regs + MCTL_MAIN_STS, status,
+ (tmp == (status & tmp)), 100, 500000))
+ dev_err(dsi->base.dev,
+ "Timed Out: DSI-DPhy Clock and Data Lanes not ready.\n");
+
writel(HBP_LEN(dsi_cfg.hbp) | HSA_LEN(dsi_cfg.hsa),
dsi->regs + VID_HSIZE1);
writel(HFP_LEN(dsi_cfg.hfp) | HACT_LEN(dsi_cfg.hact),
@@ -960,7 +977,7 @@ static int cdns_dsi_attach(struct mipi_dsi_host *host,
bridge = drm_panel_bridge_add_typed(panel,
DRM_MODE_CONNECTOR_DSI);
} else {
- bridge = of_drm_find_bridge(dev->dev.of_node);
+ bridge = of_drm_find_bridge(np);
if (!bridge)
bridge = ERR_PTR(-EINVAL);
}
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index f25e112a92ed..2a3152f97c84 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
@@ -182,6 +182,7 @@ struct fimd_context {
u32 i80ifcon;
bool i80_if;
bool suspended;
+ bool dp_clk_enabled;
wait_queue_head_t wait_vsync_queue;
atomic_t wait_vsync_event;
atomic_t win_updated;
@@ -1014,7 +1015,18 @@ static void fimd_dp_clock_enable(struct exynos_drm_clk *clk, bool enable)
struct fimd_context *ctx = container_of(clk, struct fimd_context,
dp_clk);
u32 val = enable ? DP_MIE_CLK_DP_ENABLE : DP_MIE_CLK_DISABLE;
+
+ if (enable == ctx->dp_clk_enabled)
+ return;
+
+ if (enable)
+ pm_runtime_resume_and_get(ctx->dev);
+
+ ctx->dp_clk_enabled = enable;
writel(val, ctx->regs + DP_MIE_CLKCON);
+
+ if (!enable)
+ pm_runtime_put(ctx->dev);
}
static const struct exynos_drm_crtc_ops fimd_crtc_ops = {
diff --git a/drivers/gpu/drm/i915/gt/intel_ring_submission.c b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
index 02e18e70c78e..d85b80156913 100644
--- a/drivers/gpu/drm/i915/gt/intel_ring_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_ring_submission.c
@@ -563,7 +563,6 @@ static int ring_context_alloc(struct intel_context *ce)
/* One ringbuffer to rule them all */
GEM_BUG_ON(!engine->legacy.ring);
ce->ring = engine->legacy.ring;
- ce->timeline = intel_timeline_get(engine->legacy.timeline);
GEM_BUG_ON(ce->state);
if (engine->context_size) {
@@ -576,6 +575,8 @@ static int ring_context_alloc(struct intel_context *ce)
ce->state = vma;
}
+ ce->timeline = intel_timeline_get(engine->legacy.timeline);
+
return 0;
}
diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 0e1a64b179a5..a4f1f5d2d983 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -72,8 +72,8 @@ static int igt_add_request(void *arg)
/* Basic preliminary test to create a request and let it loose! */
request = mock_request(rcs0(i915)->kernel_context, HZ / 10);
- if (!request)
- return -ENOMEM;
+ if (IS_ERR(request))
+ return PTR_ERR(request);
i915_request_add(request);
@@ -90,8 +90,8 @@ static int igt_wait_request(void *arg)
/* Submit a request, then wait upon it */
request = mock_request(rcs0(i915)->kernel_context, T);
- if (!request)
- return -ENOMEM;
+ if (IS_ERR(request))
+ return PTR_ERR(request);
i915_request_get(request);
@@ -159,8 +159,8 @@ static int igt_fence_wait(void *arg)
/* Submit a request, treat it as a fence and wait upon it */
request = mock_request(rcs0(i915)->kernel_context, T);
- if (!request)
- return -ENOMEM;
+ if (IS_ERR(request))
+ return PTR_ERR(request);
if (dma_fence_wait_timeout(&request->fence, false, T) != -ETIME) {
pr_err("fence wait success before submit (expected timeout)!\n");
@@ -214,8 +214,8 @@ static int igt_request_rewind(void *arg)
GEM_BUG_ON(IS_ERR(ce));
request = mock_request(ce, 2 * HZ);
intel_context_put(ce);
- if (!request) {
- err = -ENOMEM;
+ if (IS_ERR(request)) {
+ err = PTR_ERR(request);
goto err_context_0;
}
@@ -228,8 +228,8 @@ static int igt_request_rewind(void *arg)
GEM_BUG_ON(IS_ERR(ce));
vip = mock_request(ce, 0);
intel_context_put(ce);
- if (!vip) {
- err = -ENOMEM;
+ if (IS_ERR(vip)) {
+ err = PTR_ERR(vip);
goto err_context_1;
}
diff --git a/drivers/gpu/drm/i915/selftests/mock_request.c b/drivers/gpu/drm/i915/selftests/mock_request.c
index 09f747228dff..1b0cf073e964 100644
--- a/drivers/gpu/drm/i915/selftests/mock_request.c
+++ b/drivers/gpu/drm/i915/selftests/mock_request.c
@@ -35,7 +35,7 @@ mock_request(struct intel_context *ce, unsigned long delay)
/* NB the i915->requests slab cache is enlarged to fit mock_request */
request = intel_context_create_request(ce);
if (IS_ERR(request))
- return NULL;
+ return request;
request->mock.delay = delay;
return request;
diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
index fc2fb1019ea1..2ffb2ca88ffe 100644
--- a/drivers/gpu/drm/msm/msm_gem_submit.c
+++ b/drivers/gpu/drm/msm/msm_gem_submit.c
@@ -76,6 +76,15 @@ void __msm_gem_submit_destroy(struct kref *kref)
struct dma_fence *fence;
unsigned i;
+ /*
+ * In error paths, we could unref the submit without calling
+ * drm_sched_entity_push_job(), so msm_job_free() will never
+ * get called. Since drm_sched_job_cleanup() will NULL out
+ * s_fence, we can use that to detect this case.
+ */
+ if (submit->base.s_fence)
+ drm_sched_job_cleanup(&submit->base);
+
if (submit->fence_id) {
mutex_lock(&submit->queue->lock);
idr_remove(&submit->queue->fence_idr, submit->fence_id);
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index f44a64e89658..2047ab76c0c6 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1221,10 +1221,16 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm,
if (wgrp->dc == dc->pipe) {
for (j = 0; j < wgrp->num_windows; j++) {
unsigned int index = wgrp->windows[j];
+ enum drm_plane_type type;
+
+ if (primary)
+ type = DRM_PLANE_TYPE_OVERLAY;
+ else
+ type = DRM_PLANE_TYPE_PRIMARY;
plane = tegra_shared_plane_create(drm, dc,
wgrp->index,
- index);
+ index, type);
if (IS_ERR(plane))
return plane;
@@ -1232,10 +1238,8 @@ static struct drm_plane *tegra_dc_add_shared_planes(struct drm_device *drm,
* Choose the first shared plane owned by this
* head as the primary plane.
*/
- if (!primary) {
- plane->type = DRM_PLANE_TYPE_PRIMARY;
+ if (!primary)
primary = plane;
- }
}
}
}
@@ -1289,7 +1293,10 @@ static void tegra_crtc_reset(struct drm_crtc *crtc)
if (crtc->state)
tegra_crtc_atomic_destroy_state(crtc, crtc->state);
- __drm_atomic_helper_crtc_reset(crtc, &state->base);
+ if (state)
+ __drm_atomic_helper_crtc_reset(crtc, &state->base);
+ else
+ __drm_atomic_helper_crtc_reset(crtc, NULL);
}
static struct drm_crtc_state *
diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c
index b910155f80c4..930d424a26a0 100644
--- a/drivers/gpu/drm/tegra/hub.c
+++ b/drivers/gpu/drm/tegra/hub.c
@@ -747,9 +747,9 @@ static const struct drm_plane_helper_funcs tegra_shared_plane_helper_funcs = {
struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
struct tegra_dc *dc,
unsigned int wgrp,
- unsigned int index)
+ unsigned int index,
+ enum drm_plane_type type)
{
- enum drm_plane_type type = DRM_PLANE_TYPE_OVERLAY;
struct tegra_drm *tegra = drm->dev_private;
struct tegra_display_hub *hub = tegra->hub;
struct tegra_shared_plane *plane;
diff --git a/drivers/gpu/drm/tegra/hub.h b/drivers/gpu/drm/tegra/hub.h
index 3efa1be07ff8..aa219450413a 100644
--- a/drivers/gpu/drm/tegra/hub.h
+++ b/drivers/gpu/drm/tegra/hub.h
@@ -81,7 +81,8 @@ void tegra_display_hub_cleanup(struct tegra_display_hub *hub);
struct drm_plane *tegra_shared_plane_create(struct drm_device *drm,
struct tegra_dc *dc,
unsigned int wgrp,
- unsigned int index);
+ unsigned int index,
+ enum drm_plane_type type);
int tegra_display_hub_atomic_check(struct drm_device *drm,
struct drm_atomic_state *state);
diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
index 5703277c6f52..60f671cb8148 100644
--- a/drivers/gpu/drm/udl/udl_drv.c
+++ b/drivers/gpu/drm/udl/udl_drv.c
@@ -110,9 +110,9 @@ static void udl_usb_disconnect(struct usb_interface *interface)
{
struct drm_device *dev = usb_get_intfdata(interface);
+ drm_dev_unplug(dev);
drm_kms_helper_poll_fini(dev);
udl_drop_usb(dev);
- drm_dev_unplug(dev);
}
/*
diff --git a/drivers/gpu/drm/v3d/v3d_drv.h b/drivers/gpu/drm/v3d/v3d_drv.h
index 270134779073..0d551b1d9b05 100644
--- a/drivers/gpu/drm/v3d/v3d_drv.h
+++ b/drivers/gpu/drm/v3d/v3d_drv.h
@@ -71,6 +71,12 @@ struct v3d_perfmon {
u64 values[];
};
+enum v3d_irq {
+ V3D_CORE_IRQ,
+ V3D_HUB_IRQ,
+ V3D_MAX_IRQS,
+};
+
struct v3d_dev {
struct drm_device drm;
@@ -80,6 +86,8 @@ struct v3d_dev {
int ver;
bool single_irq_line;
+ int irq[V3D_MAX_IRQS];
+
void __iomem *hub_regs;
void __iomem *core_regs[3];
void __iomem *bridge_regs;
diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 805d6f6cba0e..ecd03ad9699a 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -120,6 +120,8 @@ v3d_reset(struct v3d_dev *v3d)
if (false)
v3d_idle_axi(v3d, 0);
+ v3d_irq_disable(v3d);
+
v3d_idle_gca(v3d);
v3d_reset_v3d(v3d);
diff --git a/drivers/gpu/drm/v3d/v3d_irq.c b/drivers/gpu/drm/v3d/v3d_irq.c
index b2d59a168697..9aba78e6d7a5 100644
--- a/drivers/gpu/drm/v3d/v3d_irq.c
+++ b/drivers/gpu/drm/v3d/v3d_irq.c
@@ -215,7 +215,7 @@ v3d_hub_irq(int irq, void *arg)
int
v3d_irq_init(struct v3d_dev *v3d)
{
- int irq1, ret, core;
+ int irq, ret, core;
INIT_WORK(&v3d->overflow_mem_work, v3d_overflow_mem_work);
@@ -226,17 +226,24 @@ v3d_irq_init(struct v3d_dev *v3d)
V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
V3D_WRITE(V3D_HUB_INT_CLR, V3D_HUB_IRQS);
- irq1 = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
- if (irq1 == -EPROBE_DEFER)
- return irq1;
- if (irq1 > 0) {
- ret = devm_request_irq(v3d->drm.dev, irq1,
+ irq = platform_get_irq_optional(v3d_to_pdev(v3d), 1);
+ if (irq == -EPROBE_DEFER)
+ return irq;
+ if (irq > 0) {
+ v3d->irq[V3D_CORE_IRQ] = irq;
+
+ ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
v3d_irq, IRQF_SHARED,
"v3d_core0", v3d);
if (ret)
goto fail;
- ret = devm_request_irq(v3d->drm.dev,
- platform_get_irq(v3d_to_pdev(v3d), 0),
+
+ irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+ if (irq < 0)
+ return irq;
+ v3d->irq[V3D_HUB_IRQ] = irq;
+
+ ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_HUB_IRQ],
v3d_hub_irq, IRQF_SHARED,
"v3d_hub", v3d);
if (ret)
@@ -244,8 +251,12 @@ v3d_irq_init(struct v3d_dev *v3d)
} else {
v3d->single_irq_line = true;
- ret = devm_request_irq(v3d->drm.dev,
- platform_get_irq(v3d_to_pdev(v3d), 0),
+ irq = platform_get_irq(v3d_to_pdev(v3d), 0);
+ if (irq < 0)
+ return irq;
+ v3d->irq[V3D_CORE_IRQ] = irq;
+
+ ret = devm_request_irq(v3d->drm.dev, v3d->irq[V3D_CORE_IRQ],
v3d_irq, IRQF_SHARED,
"v3d", v3d);
if (ret)
@@ -279,13 +290,19 @@ v3d_irq_enable(struct v3d_dev *v3d)
void
v3d_irq_disable(struct v3d_dev *v3d)
{
- int core;
+ int core, i;
/* Disable all interrupts. */
for (core = 0; core < v3d->cores; core++)
V3D_CORE_WRITE(core, V3D_CTL_INT_MSK_SET, ~0);
V3D_WRITE(V3D_HUB_INT_MSK_SET, ~0);
+ /* Finish any interrupt handler still in flight. */
+ for (i = 0; i < V3D_MAX_IRQS; i++) {
+ if (v3d->irq[i])
+ synchronize_irq(v3d->irq[i]);
+ }
+
/* Clear any pending interrupts we might have left. */
for (core = 0; core < v3d->cores; core++)
V3D_CORE_WRITE(core, V3D_CTL_INT_CLR, V3D_CORE_IRQS);
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 2cfd816a0f67..c8a8daedff3d 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -2020,14 +2020,18 @@ static int wacom_initialize_remotes(struct wacom *wacom)
remote->remote_dir = kobject_create_and_add("wacom_remote",
&wacom->hdev->dev.kobj);
- if (!remote->remote_dir)
+ if (!remote->remote_dir) {
+ kfifo_free(&remote->remote_fifo);
return -ENOMEM;
+ }
error = sysfs_create_files(remote->remote_dir, remote_unpair_attrs);
if (error) {
hid_err(wacom->hdev,
"cannot create sysfs group err: %d\n", error);
+ kfifo_free(&remote->remote_fifo);
+ kobject_put(remote->remote_dir);
return error;
}
diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
index 62c864f8d991..cd9f01b7d37d 100644
--- a/drivers/hv/channel_mgmt.c
+++ b/drivers/hv/channel_mgmt.c
@@ -119,7 +119,9 @@ const struct vmbus_device vmbus_devs[] = {
},
/* File copy */
- { .dev_type = HV_FCOPY,
+ /* fcopy always uses 16KB ring buffer size and is working well for last many years */
+ { .pref_ring_size = 0x4000,
+ .dev_type = HV_FCOPY,
HV_FCOPY_GUID,
.perf_device = false,
.allowed_in_isolated = false,
@@ -139,12 +141,19 @@ const struct vmbus_device vmbus_devs[] = {
.allowed_in_isolated = false,
},
- /* Unknown GUID */
- { .dev_type = HV_UNKNOWN,
+ /*
+ * Unknown GUID
+ * 64 KB ring buffer + 4 KB header should be sufficient size for any Hyper-V device apart
+ * from HV_NIC and HV_SCSI. This case avoid the fallback for unknown devices to allocate
+ * much bigger (2 MB) of ring size.
+ */
+ { .pref_ring_size = 0x11000,
+ .dev_type = HV_UNKNOWN,
.perf_device = false,
.allowed_in_isolated = false,
},
};
+EXPORT_SYMBOL_GPL(vmbus_devs);
static const struct {
guid_t guid;
@@ -459,7 +468,7 @@ void hv_process_channel_removal(struct vmbus_channel *channel)
* init_vp_index() can (re-)use the CPU.
*/
if (hv_is_perf_channel(channel))
- hv_clear_alloced_cpu(channel->target_cpu);
+ hv_clear_allocated_cpu(channel->target_cpu);
/*
* Upon suspend, an in-use hv_sock channel is marked as "rescinded" and
@@ -733,7 +742,7 @@ static void init_vp_index(struct vmbus_channel *channel)
bool perf_chn = hv_is_perf_channel(channel);
u32 i, ncpu = num_online_cpus();
cpumask_var_t available_mask;
- struct cpumask *alloced_mask;
+ struct cpumask *allocated_mask;
u32 target_cpu;
int numa_node;
@@ -750,7 +759,7 @@ static void init_vp_index(struct vmbus_channel *channel)
*/
channel->target_cpu = VMBUS_CONNECT_CPU;
if (perf_chn)
- hv_set_alloced_cpu(VMBUS_CONNECT_CPU);
+ hv_set_allocated_cpu(VMBUS_CONNECT_CPU);
return;
}
@@ -765,22 +774,22 @@ static void init_vp_index(struct vmbus_channel *channel)
continue;
break;
}
- alloced_mask = &hv_context.hv_numa_map[numa_node];
+ allocated_mask = &hv_context.hv_numa_map[numa_node];
- if (cpumask_weight(alloced_mask) ==
+ if (cpumask_weight(allocated_mask) ==
cpumask_weight(cpumask_of_node(numa_node))) {
/*
* We have cycled through all the CPUs in the node;
- * reset the alloced map.
+ * reset the allocated map.
*/
- cpumask_clear(alloced_mask);
+ cpumask_clear(allocated_mask);
}
- cpumask_xor(available_mask, alloced_mask,
+ cpumask_xor(available_mask, allocated_mask,
cpumask_of_node(numa_node));
target_cpu = cpumask_first(available_mask);
- cpumask_set_cpu(target_cpu, alloced_mask);
+ cpumask_set_cpu(target_cpu, allocated_mask);
if (channel->offermsg.offer.sub_channel_index >= ncpu ||
i > ncpu || !hv_cpuself_used(target_cpu, channel))
diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h
index 631f0a138c2b..b87adb3a9821 100644
--- a/drivers/hv/hyperv_vmbus.h
+++ b/drivers/hv/hyperv_vmbus.h
@@ -405,7 +405,12 @@ static inline bool hv_is_perf_channel(struct vmbus_channel *channel)
return vmbus_devs[channel->device_id].perf_device;
}
-static inline bool hv_is_alloced_cpu(unsigned int cpu)
+static inline size_t hv_dev_ring_size(struct vmbus_channel *channel)
+{
+ return vmbus_devs[channel->device_id].pref_ring_size;
+}
+
+static inline bool hv_is_allocated_cpu(unsigned int cpu)
{
struct vmbus_channel *channel, *sc;
@@ -427,23 +432,23 @@ static inline bool hv_is_alloced_cpu(unsigned int cpu)
return false;
}
-static inline void hv_set_alloced_cpu(unsigned int cpu)
+static inline void hv_set_allocated_cpu(unsigned int cpu)
{
cpumask_set_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
}
-static inline void hv_clear_alloced_cpu(unsigned int cpu)
+static inline void hv_clear_allocated_cpu(unsigned int cpu)
{
- if (hv_is_alloced_cpu(cpu))
+ if (hv_is_allocated_cpu(cpu))
return;
cpumask_clear_cpu(cpu, &hv_context.hv_numa_map[cpu_to_node(cpu)]);
}
-static inline void hv_update_alloced_cpus(unsigned int old_cpu,
+static inline void hv_update_allocated_cpus(unsigned int old_cpu,
unsigned int new_cpu)
{
- hv_set_alloced_cpu(new_cpu);
- hv_clear_alloced_cpu(old_cpu);
+ hv_set_allocated_cpu(new_cpu);
+ hv_clear_allocated_cpu(old_cpu);
}
#ifdef CONFIG_HYPERV_TESTING
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index cb3a5b13c3ec..f42c3cb3cc0a 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -1878,7 +1878,7 @@ static ssize_t target_cpu_store(struct vmbus_channel *channel,
/* See init_vp_index(). */
if (hv_is_perf_channel(channel))
- hv_update_alloced_cpus(origin_cpu, target_cpu);
+ hv_update_allocated_cpus(origin_cpu, target_cpu);
/* Currently set only for storvsc channels. */
if (channel->change_target_cpu_callback) {
diff --git a/drivers/hwmon/pmbus/max34440.c b/drivers/hwmon/pmbus/max34440.c
index ea7609058a12..91359647d1e7 100644
--- a/drivers/hwmon/pmbus/max34440.c
+++ b/drivers/hwmon/pmbus/max34440.c
@@ -34,16 +34,21 @@ enum chips { max34440, max34441, max34446, max34451, max34460, max34461 };
/*
* The whole max344* family have IOUT_OC_WARN_LIMIT and IOUT_OC_FAULT_LIMIT
* swapped from the standard pmbus spec addresses.
+ * For max34451, version MAX34451ETNA6+ and later has this issue fixed.
*/
#define MAX34440_IOUT_OC_WARN_LIMIT 0x46
#define MAX34440_IOUT_OC_FAULT_LIMIT 0x4A
+#define MAX34451ETNA6_MFR_REV 0x0012
+
#define MAX34451_MFR_CHANNEL_CONFIG 0xe4
#define MAX34451_MFR_CHANNEL_CONFIG_SEL_MASK 0x3f
struct max34440_data {
int id;
struct pmbus_driver_info info;
+ u8 iout_oc_warn_limit;
+ u8 iout_oc_fault_limit;
};
#define to_max34440_data(x) container_of(x, struct max34440_data, info)
@@ -60,11 +65,11 @@ static int max34440_read_word_data(struct i2c_client *client, int page,
switch (reg) {
case PMBUS_IOUT_OC_FAULT_LIMIT:
ret = pmbus_read_word_data(client, page, phase,
- MAX34440_IOUT_OC_FAULT_LIMIT);
+ data->iout_oc_fault_limit);
break;
case PMBUS_IOUT_OC_WARN_LIMIT:
ret = pmbus_read_word_data(client, page, phase,
- MAX34440_IOUT_OC_WARN_LIMIT);
+ data->iout_oc_warn_limit);
break;
case PMBUS_VIRT_READ_VOUT_MIN:
ret = pmbus_read_word_data(client, page, phase,
@@ -133,11 +138,11 @@ static int max34440_write_word_data(struct i2c_client *client, int page,
switch (reg) {
case PMBUS_IOUT_OC_FAULT_LIMIT:
- ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_FAULT_LIMIT,
+ ret = pmbus_write_word_data(client, page, data->iout_oc_fault_limit,
word);
break;
case PMBUS_IOUT_OC_WARN_LIMIT:
- ret = pmbus_write_word_data(client, page, MAX34440_IOUT_OC_WARN_LIMIT,
+ ret = pmbus_write_word_data(client, page, data->iout_oc_warn_limit,
word);
break;
case PMBUS_VIRT_RESET_POUT_HISTORY:
@@ -235,6 +240,25 @@ static int max34451_set_supported_funcs(struct i2c_client *client,
*/
int page, rv;
+ bool max34451_na6 = false;
+
+ rv = i2c_smbus_read_word_data(client, PMBUS_MFR_REVISION);
+ if (rv < 0)
+ return rv;
+
+ if (rv >= MAX34451ETNA6_MFR_REV) {
+ max34451_na6 = true;
+ data->info.format[PSC_VOLTAGE_IN] = direct;
+ data->info.format[PSC_CURRENT_IN] = direct;
+ data->info.m[PSC_VOLTAGE_IN] = 1;
+ data->info.b[PSC_VOLTAGE_IN] = 0;
+ data->info.R[PSC_VOLTAGE_IN] = 3;
+ data->info.m[PSC_CURRENT_IN] = 1;
+ data->info.b[PSC_CURRENT_IN] = 0;
+ data->info.R[PSC_CURRENT_IN] = 2;
+ data->iout_oc_fault_limit = PMBUS_IOUT_OC_FAULT_LIMIT;
+ data->iout_oc_warn_limit = PMBUS_IOUT_OC_WARN_LIMIT;
+ }
for (page = 0; page < 16; page++) {
rv = i2c_smbus_write_byte_data(client, PMBUS_PAGE, page);
@@ -251,16 +275,30 @@ static int max34451_set_supported_funcs(struct i2c_client *client,
case 0x20:
data->info.func[page] = PMBUS_HAVE_VOUT |
PMBUS_HAVE_STATUS_VOUT;
+
+ if (max34451_na6)
+ data->info.func[page] |= PMBUS_HAVE_VIN |
+ PMBUS_HAVE_STATUS_INPUT;
break;
case 0x21:
data->info.func[page] = PMBUS_HAVE_VOUT;
+
+ if (max34451_na6)
+ data->info.func[page] |= PMBUS_HAVE_VIN;
break;
case 0x22:
data->info.func[page] = PMBUS_HAVE_IOUT |
PMBUS_HAVE_STATUS_IOUT;
+
+ if (max34451_na6)
+ data->info.func[page] |= PMBUS_HAVE_IIN |
+ PMBUS_HAVE_STATUS_INPUT;
break;
case 0x23:
data->info.func[page] = PMBUS_HAVE_IOUT;
+
+ if (max34451_na6)
+ data->info.func[page] |= PMBUS_HAVE_IIN;
break;
default:
break;
@@ -494,6 +532,8 @@ static int max34440_probe(struct i2c_client *client)
return -ENOMEM;
data->id = i2c_match_id(max34440_id, client)->driver_data;
data->info = max34440_info[data->id];
+ data->iout_oc_fault_limit = MAX34440_IOUT_OC_FAULT_LIMIT;
+ data->iout_oc_warn_limit = MAX34440_IOUT_OC_WARN_LIMIT;
if (data->id == max34451) {
rv = max34451_set_supported_funcs(client, data);
diff --git a/drivers/hwtracing/coresight/coresight-core.c b/drivers/hwtracing/coresight/coresight-core.c
index 3ea690054222..f6989a74fec9 100644
--- a/drivers/hwtracing/coresight/coresight-core.c
+++ b/drivers/hwtracing/coresight/coresight-core.c
@@ -161,7 +161,8 @@ static int coresight_find_link_outport(struct coresight_device *csdev,
static inline u32 coresight_read_claim_tags(struct coresight_device *csdev)
{
- return csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR);
+ return FIELD_GET(CORESIGHT_CLAIM_MASK,
+ csdev_access_relaxed_read32(&csdev->access, CORESIGHT_CLAIMCLR));
}
static inline bool coresight_is_claimed_self_hosted(struct coresight_device *csdev)
diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h
index ff1dd2092ac5..b416edcdf797 100644
--- a/drivers/hwtracing/coresight/coresight-priv.h
+++ b/drivers/hwtracing/coresight/coresight-priv.h
@@ -32,6 +32,7 @@
* Coresight device CLAIM protocol.
* See PSCI - ARM DEN 0022D, Section: 6.8.1 Debug and Trace save and restore.
*/
+#define CORESIGHT_CLAIM_MASK GENMASK(1, 0)
#define CORESIGHT_CLAIM_SELF_HOSTED BIT(1)
#define TIMEOUT_US 100
diff --git a/drivers/i2c/busses/i2c-designware-master.c b/drivers/i2c/busses/i2c-designware-master.c
index 5ceb81319634..ff715c0acdb2 100644
--- a/drivers/i2c/busses/i2c-designware-master.c
+++ b/drivers/i2c/busses/i2c-designware-master.c
@@ -298,6 +298,7 @@ static int amd_i2c_dw_xfer_quirk(struct i2c_adapter *adap, struct i2c_msg *msgs,
dev->msgs = msgs;
dev->msgs_num = num_msgs;
+ dev->msg_write_idx = 0;
i2c_dw_xfer_init(dev);
i2c_dw_disable_int(dev);
diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c
index 66dfa211e736..8e4cf9028b23 100644
--- a/drivers/i2c/busses/i2c-robotfuzz-osif.c
+++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c
@@ -111,6 +111,11 @@ static u32 osif_func(struct i2c_adapter *adapter)
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
}
+/* prevent invalid 0-length usb_control_msg */
+static const struct i2c_adapter_quirks osif_quirks = {
+ .flags = I2C_AQ_NO_ZERO_LEN_READ,
+};
+
static const struct i2c_algorithm osif_algorithm = {
.master_xfer = osif_xfer,
.functionality = osif_func,
@@ -143,6 +148,7 @@ static int osif_probe(struct usb_interface *interface,
priv->adapter.owner = THIS_MODULE;
priv->adapter.class = I2C_CLASS_HWMON;
+ priv->adapter.quirks = &osif_quirks;
priv->adapter.algo = &osif_algorithm;
priv->adapter.algo_data = priv;
snprintf(priv->adapter.name, sizeof(priv->adapter.name),
diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c
index d1fa9ff5aeab..204cc0883da6 100644
--- a/drivers/i2c/busses/i2c-tiny-usb.c
+++ b/drivers/i2c/busses/i2c-tiny-usb.c
@@ -140,6 +140,11 @@ static u32 usb_func(struct i2c_adapter *adapter)
return ret;
}
+/* prevent invalid 0-length usb_control_msg */
+static const struct i2c_adapter_quirks usb_quirks = {
+ .flags = I2C_AQ_NO_ZERO_LEN_READ,
+};
+
/* This is the actual algorithm we define */
static const struct i2c_algorithm usb_algorithm = {
.master_xfer = usb_xfer,
@@ -244,6 +249,7 @@ static int i2c_tiny_usb_probe(struct usb_interface *interface,
/* setup i2c adapter description */
dev->adapter.owner = THIS_MODULE;
dev->adapter.class = I2C_CLASS_HWMON;
+ dev->adapter.quirks = &usb_quirks;
dev->adapter.algo = &usb_algorithm;
dev->adapter.algo_data = dev;
snprintf(dev->adapter.name, sizeof(dev->adapter.name),
diff --git a/drivers/iio/pressure/zpa2326.c b/drivers/iio/pressure/zpa2326.c
index 50f3338778da..741c95899e4e 100644
--- a/drivers/iio/pressure/zpa2326.c
+++ b/drivers/iio/pressure/zpa2326.c
@@ -582,7 +582,7 @@ static int zpa2326_fill_sample_buffer(struct iio_dev *indio_dev,
struct {
u32 pressure;
u16 temperature;
- u64 timestamp;
+ aligned_s64 timestamp;
} sample;
int err;
diff --git a/drivers/infiniband/hw/mlx5/counters.c b/drivers/infiniband/hw/mlx5/counters.c
index 870a08919811..79225f21a283 100644
--- a/drivers/infiniband/hw/mlx5/counters.c
+++ b/drivers/infiniband/hw/mlx5/counters.c
@@ -279,7 +279,7 @@ static int mlx5_ib_get_hw_stats(struct ib_device *ibdev,
*/
goto done;
}
- ret = mlx5_lag_query_cong_counters(dev->mdev,
+ ret = mlx5_lag_query_cong_counters(mdev,
stats->value +
cnts->num_q_counters,
cnts->num_cong_counters,
diff --git a/drivers/infiniband/hw/mlx5/devx.c b/drivers/infiniband/hw/mlx5/devx.c
index 55e287335124..cc351390b568 100644
--- a/drivers/infiniband/hw/mlx5/devx.c
+++ b/drivers/infiniband/hw/mlx5/devx.c
@@ -1907,6 +1907,7 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
/* Level1 is valid for future use, no need to free */
return -ENOMEM;
+ INIT_LIST_HEAD(&obj_event->obj_sub_list);
err = xa_insert(&event->object_ids,
key_level2,
obj_event,
@@ -1915,7 +1916,6 @@ subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table,
kfree(obj_event);
return err;
}
- INIT_LIST_HEAD(&obj_event->obj_sub_list);
}
return 0;
diff --git a/drivers/leds/led-class-multicolor.c b/drivers/leds/led-class-multicolor.c
index ec62a4811613..e0785935f4ba 100644
--- a/drivers/leds/led-class-multicolor.c
+++ b/drivers/leds/led-class-multicolor.c
@@ -61,7 +61,8 @@ static ssize_t multi_intensity_store(struct device *dev,
for (i = 0; i < mcled_cdev->num_colors; i++)
mcled_cdev->subled_info[i].intensity = intensity_value[i];
- led_set_brightness(led_cdev, led_cdev->brightness);
+ if (!test_bit(LED_BLINK_SW, &led_cdev->work_flags))
+ led_set_brightness(led_cdev, led_cdev->brightness);
ret = size;
err_out:
mutex_unlock(&led_cdev->led_access);
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index 6f54501dc776..cb31ad917b35 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -459,8 +459,8 @@ void mbox_free_channel(struct mbox_chan *chan)
if (chan->txdone_method == TXDONE_BY_ACK)
chan->txdone_method = TXDONE_BY_POLL;
- module_put(chan->mbox->dev->driver->owner);
spin_unlock_irqrestore(&chan->lock, flags);
+ module_put(chan->mbox->dev->driver->owner);
}
EXPORT_SYMBOL_GPL(mbox_free_channel);
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 4b79b793cb80..7e0176e43ace 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1746,7 +1746,12 @@ static void cache_set_flush(struct closure *cl)
mutex_unlock(&b->write_lock);
}
- if (ca->alloc_thread)
+ /*
+ * If the register_cache_set() call to bch_cache_set_alloc() failed,
+ * ca has not been assigned a value and return error.
+ * So we need check ca is not NULL during bch_cache_set_unregister().
+ */
+ if (ca && ca->alloc_thread)
kthread_stop(ca->alloc_thread);
if (c->journal.cur) {
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c
index 5d1006142aae..8f02fa6d3301 100644
--- a/drivers/md/dm-raid.c
+++ b/drivers/md/dm-raid.c
@@ -2381,7 +2381,7 @@ static int super_init_validation(struct raid_set *rs, struct md_rdev *rdev)
*/
sb_retrieve_failed_devices(sb, failed_devices);
rdev_for_each(r, mddev) {
- if (test_bit(Journal, &rdev->flags) ||
+ if (test_bit(Journal, &r->flags) ||
!r->sb_page)
continue;
sb2 = page_address(r->sb_page);
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index b26e22dd9ba2..cb84a4ab8d70 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -546,7 +546,7 @@ static int md_bitmap_new_disk_sb(struct bitmap *bitmap)
* is a good choice? We choose COUNTER_MAX / 2 arbitrarily.
*/
write_behind = bitmap->mddev->bitmap_info.max_write_behind;
- if (write_behind > COUNTER_MAX)
+ if (write_behind > COUNTER_MAX / 2)
write_behind = COUNTER_MAX / 2;
sb->write_behind = cpu_to_le32(write_behind);
bitmap->mddev->bitmap_info.max_write_behind = write_behind;
diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index 8ffc01c606d0..a59a059008cf 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -503,7 +503,7 @@ static int vpif_probe(struct platform_device *pdev)
pdev_display = kzalloc(sizeof(*pdev_display), GFP_KERNEL);
if (!pdev_display) {
ret = -ENOMEM;
- goto err_put_pdev_capture;
+ goto err_del_pdev_capture;
}
pdev_display->name = "vpif_display";
@@ -526,6 +526,8 @@ static int vpif_probe(struct platform_device *pdev)
err_put_pdev_display:
platform_device_put(pdev_display);
+err_del_pdev_capture:
+ platform_device_del(pdev_capture);
err_put_pdev_capture:
platform_device_put(pdev_capture);
err_put_rpm:
diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
index 059e45aa03b7..2ab03444f742 100644
--- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c
@@ -1450,9 +1450,19 @@ static void mxc_jpeg_buf_queue(struct vb2_buffer *vb)
jpeg_src_buf = vb2_to_mxc_buf(vb);
jpeg_src_buf->jpeg_parse_error = false;
ret = mxc_jpeg_parse(ctx, vb);
- if (ret)
+ if (ret) {
jpeg_src_buf->jpeg_parse_error = true;
+ /*
+ * if the capture queue is not setup, the device_run() won't be scheduled,
+ * need to drop the error buffer, so that the decoding can continue
+ */
+ if (!vb2_is_streaming(v4l2_m2m_get_dst_vq(ctx->fh.m2m_ctx))) {
+ v4l2_m2m_buf_done(vbuf, VB2_BUF_STATE_ERROR);
+ return;
+ }
+ }
+
end:
v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vbuf);
}
diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c
index 108b5e9f82cb..ee966f8ee010 100644
--- a/drivers/media/platform/omap3isp/ispccdc.c
+++ b/drivers/media/platform/omap3isp/ispccdc.c
@@ -446,8 +446,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
if (ret < 0)
goto done;
- dma_sync_sg_for_cpu(isp->dev, req->table.sgt.sgl,
- req->table.sgt.nents, DMA_TO_DEVICE);
+ dma_sync_sgtable_for_cpu(isp->dev, &req->table.sgt,
+ DMA_TO_DEVICE);
if (copy_from_user(req->table.addr, config->lsc,
req->config.size)) {
@@ -455,8 +455,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
goto done;
}
- dma_sync_sg_for_device(isp->dev, req->table.sgt.sgl,
- req->table.sgt.nents, DMA_TO_DEVICE);
+ dma_sync_sgtable_for_device(isp->dev, &req->table.sgt,
+ DMA_TO_DEVICE);
}
spin_lock_irqsave(&ccdc->lsc.req_lock, flags);
diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c
index 68cf68dbcace..dc496ca9748a 100644
--- a/drivers/media/platform/omap3isp/ispstat.c
+++ b/drivers/media/platform/omap3isp/ispstat.c
@@ -161,8 +161,7 @@ static void isp_stat_buf_sync_for_device(struct ispstat *stat,
if (ISP_STAT_USES_DMAENGINE(stat))
return;
- dma_sync_sg_for_device(stat->isp->dev, buf->sgt.sgl,
- buf->sgt.nents, DMA_FROM_DEVICE);
+ dma_sync_sgtable_for_device(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE);
}
static void isp_stat_buf_sync_for_cpu(struct ispstat *stat,
@@ -171,8 +170,7 @@ static void isp_stat_buf_sync_for_cpu(struct ispstat *stat,
if (ISP_STAT_USES_DMAENGINE(stat))
return;
- dma_sync_sg_for_cpu(stat->isp->dev, buf->sgt.sgl,
- buf->sgt.nents, DMA_FROM_DEVICE);
+ dma_sync_sgtable_for_cpu(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE);
}
static void isp_stat_buf_clear(struct ispstat *stat)
diff --git a/drivers/media/usb/uvc/uvc_ctrl.c b/drivers/media/usb/uvc/uvc_ctrl.c
index afd9c2d9596c..f37198839a8a 100644
--- a/drivers/media/usb/uvc/uvc_ctrl.c
+++ b/drivers/media/usb/uvc/uvc_ctrl.c
@@ -1697,7 +1697,7 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
unsigned int processed_ctrls = 0;
struct uvc_control *ctrl;
unsigned int i;
- int ret;
+ int ret = 0;
if (entity == NULL)
return 0;
@@ -1725,8 +1725,6 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
dev->intfnum, ctrl->info.selector,
uvc_ctrl_data(ctrl, UVC_CTRL_DATA_CURRENT),
ctrl->info.size);
- else
- ret = 0;
if (!ret)
processed_ctrls++;
@@ -1738,17 +1736,24 @@ static int uvc_ctrl_commit_entity(struct uvc_device *dev,
ctrl->dirty = 0;
- if (ret < 0) {
+ if (!rollback && handle && !ret &&
+ ctrl->info.flags & UVC_CTRL_FLAG_ASYNCHRONOUS)
+ uvc_ctrl_set_handle(handle, ctrl, handle);
+
+ if (ret < 0 && !rollback) {
if (err_ctrl)
*err_ctrl = ctrl;
- return ret;
+ /*
+ * If we fail to set a control, we need to rollback
+ * the next ones.
+ */
+ rollback = 1;
}
-
- if (!rollback && handle &&
- ctrl->info.flags & UVC_CTRL_FLAG_ASYNCHRONOUS)
- uvc_ctrl_set_handle(handle, ctrl, handle);
}
+ if (ret)
+ return ret;
+
return processed_ctrls;
}
@@ -1779,7 +1784,8 @@ int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback,
struct uvc_video_chain *chain = handle->chain;
struct uvc_control *err_ctrl;
struct uvc_entity *entity;
- int ret = 0;
+ int ret_out = 0;
+ int ret;
/* Find the control. */
list_for_each_entry(entity, &chain->entities, chain) {
@@ -1790,17 +1796,23 @@ int __uvc_ctrl_commit(struct uvc_fh *handle, int rollback,
ctrls->error_idx =
uvc_ctrl_find_ctrl_idx(entity, ctrls,
err_ctrl);
- goto done;
+ /*
+ * When we fail to commit an entity, we need to
+ * restore the UVC_CTRL_DATA_BACKUP for all the
+ * controls in the other entities, otherwise our cache
+ * and the hardware will be out of sync.
+ */
+ rollback = 1;
+
+ ret_out = ret;
} else if (ret > 0 && !rollback) {
uvc_ctrl_send_events(handle, entity,
ctrls->controls, ctrls->count);
}
}
- ret = 0;
-done:
mutex_unlock(&chain->ctrl_mutex);
- return ret;
+ return ret_out;
}
int uvc_ctrl_get(struct uvc_video_chain *chain,
diff --git a/drivers/mfd/max14577.c b/drivers/mfd/max14577.c
index be185e9d5f16..c9e56145b08b 100644
--- a/drivers/mfd/max14577.c
+++ b/drivers/mfd/max14577.c
@@ -467,6 +467,7 @@ static int max14577_i2c_remove(struct i2c_client *i2c)
{
struct max14577 *max14577 = i2c_get_clientdata(i2c);
+ device_init_wakeup(max14577->dev, false);
mfd_remove_devices(max14577->dev);
regmap_del_irq_chip(max14577->irq, max14577->irq_data);
if (max14577->dev_type == MAXIM_DEVICE_TYPE_MAX77836)
diff --git a/drivers/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index afe8d8c5fa8a..2920633e2ae1 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -14,6 +14,15 @@
#include "card.h"
+static const struct mmc_fixup __maybe_unused mmc_sd_fixups[] = {
+ /*
+ * Some SD cards reports discard support while they don't
+ */
+ MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
+ MMC_QUIRK_BROKEN_SD_DISCARD),
+
+ END_FIXUP
+};
static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
#define INAND_CMD38_ARG_EXT_CSD 113
#define INAND_CMD38_ARG_ERASE 0x00
@@ -112,13 +121,6 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
*/
MMC_FIXUP("Q2J54A", CID_MANFID_MICRON, 0x014e, add_quirk_mmc,
MMC_QUIRK_TRIM_BROKEN),
-
- /*
- * Some SD cards reports discard support while they don't
- */
- MMC_FIXUP(CID_NAME_ANY, CID_MANFID_SANDISK_SD, 0x5344, add_quirk_sd,
- MMC_QUIRK_BROKEN_SD_DISCARD),
-
END_FIXUP
};
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 09788cf72086..627159482d12 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -727,12 +727,18 @@ static inline void msdc_dma_setup(struct msdc_host *host, struct msdc_dma *dma,
static void msdc_prepare_data(struct msdc_host *host, struct mmc_data *data)
{
if (!(data->host_cookie & MSDC_PREPARE_FLAG)) {
- data->host_cookie |= MSDC_PREPARE_FLAG;
data->sg_count = dma_map_sg(host->dev, data->sg, data->sg_len,
mmc_get_dma_dir(data));
+ if (data->sg_count)
+ data->host_cookie |= MSDC_PREPARE_FLAG;
}
}
+static bool msdc_data_prepared(struct mmc_data *data)
+{
+ return data->host_cookie & MSDC_PREPARE_FLAG;
+}
+
static void msdc_unprepare_data(struct msdc_host *host, struct mmc_data *data)
{
if (data->host_cookie & MSDC_ASYNC_FLAG)
@@ -1305,8 +1311,19 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
WARN_ON(host->mrq);
host->mrq = mrq;
- if (mrq->data)
+ if (mrq->data) {
msdc_prepare_data(host, mrq->data);
+ if (!msdc_data_prepared(mrq->data)) {
+ host->mrq = NULL;
+ /*
+ * Failed to prepare DMA area, fail fast before
+ * starting any commands.
+ */
+ mrq->cmd->error = -ENOSPC;
+ mmc_request_done(mmc_from_priv(host), mrq);
+ return;
+ }
+ }
/* if SBC is required, we have HW option and SW option.
* if HW option is enabled, and SBC does not have "special" flags,
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 97eeb0c61bae..c0900b2f7b5c 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2009,15 +2009,10 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
host->mmc->actual_clock = 0;
- clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL);
- if (clk & SDHCI_CLOCK_CARD_EN)
- sdhci_writew(host, clk & ~SDHCI_CLOCK_CARD_EN,
- SDHCI_CLOCK_CONTROL);
+ sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
- if (clock == 0) {
- sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+ if (clock == 0)
return;
- }
clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock);
sdhci_enable_clk(host, clk);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 6a5cc05576cd..76b0bd886b11 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -816,4 +816,20 @@ void sdhci_switch_external_dma(struct sdhci_host *host, bool en);
void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable);
void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd);
+#if defined(CONFIG_DYNAMIC_DEBUG) || \
+ (defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE))
+#define SDHCI_DBG_ANYWAY 0
+#elif defined(DEBUG)
+#define SDHCI_DBG_ANYWAY 1
+#else
+#define SDHCI_DBG_ANYWAY 0
+#endif
+
+#define sdhci_dbg_dumpregs(host, fmt) \
+do { \
+ DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \
+ if (DYNAMIC_DEBUG_BRANCH(descriptor) || SDHCI_DBG_ANYWAY) \
+ sdhci_dumpregs(host); \
+} while (0)
+
#endif /* __SDHCI_HW_H */
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 2c8685f1f2fa..80d0112d18fa 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1271,6 +1271,7 @@ static void spinand_cleanup(struct spinand_device *spinand)
{
struct nand_device *nand = spinand_to_nand(spinand);
+ nanddev_ecc_engine_cleanup(nand);
nanddev_cleanup(nand);
spinand_manufacturer_cleanup(spinand);
kfree(spinand->databuf);
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
index 533b8519ec35..c5dc23906a78 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h
@@ -1355,6 +1355,8 @@
#define MDIO_VEND2_CTRL1_SS13 BIT(13)
#endif
+#define XGBE_VEND2_MAC_AUTO_SW BIT(9)
+
/* MDIO mask values */
#define XGBE_AN_CL73_INT_CMPLT BIT(0)
#define XGBE_AN_CL73_INC_LINK BIT(1)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
index 60be836b294b..19fed56b6ee3 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c
@@ -363,6 +363,10 @@ static void xgbe_an37_set(struct xgbe_prv_data *pdata, bool enable,
reg |= MDIO_VEND2_CTRL1_AN_RESTART;
XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_CTRL1, reg);
+
+ reg = XMDIO_READ(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL);
+ reg |= XGBE_VEND2_MAC_AUTO_SW;
+ XMDIO_WRITE(pdata, MDIO_MMD_VEND2, MDIO_PCS_DIG_CTRL, reg);
}
static void xgbe_an37_restart(struct xgbe_prv_data *pdata)
@@ -991,6 +995,11 @@ static void xgbe_an37_init(struct xgbe_prv_data *pdata)
netif_dbg(pdata, link, pdata->netdev, "CL37 AN (%s) initialized\n",
(pdata->an_mode == XGBE_AN_MODE_CL37) ? "BaseX" : "SGMII");
+
+ reg = XMDIO_READ(pdata, MDIO_MMD_AN, MDIO_CTRL1);
+ reg &= ~MDIO_AN_CTRL1_ENABLE;
+ XMDIO_WRITE(pdata, MDIO_MMD_AN, MDIO_CTRL1, reg);
+
}
static void xgbe_an73_init(struct xgbe_prv_data *pdata)
diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h
index bb1254bdd874..27fc9fb00cd7 100644
--- a/drivers/net/ethernet/amd/xgbe/xgbe.h
+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h
@@ -291,11 +291,11 @@
#define XGBE_LINK_TIMEOUT 5
#define XGBE_KR_TRAINING_WAIT_ITER 50
-#define XGBE_SGMII_AN_LINK_STATUS BIT(1)
+#define XGBE_SGMII_AN_LINK_DUPLEX BIT(1)
#define XGBE_SGMII_AN_LINK_SPEED (BIT(2) | BIT(3))
#define XGBE_SGMII_AN_LINK_SPEED_100 0x04
#define XGBE_SGMII_AN_LINK_SPEED_1000 0x08
-#define XGBE_SGMII_AN_LINK_DUPLEX BIT(4)
+#define XGBE_SGMII_AN_LINK_STATUS BIT(4)
/* ECC correctable error notification window (seconds) */
#define XGBE_ECC_LIMIT 60
diff --git a/drivers/net/ethernet/atheros/atlx/atl1.c b/drivers/net/ethernet/atheros/atlx/atl1.c
index 68f6c0bbd945..ca8d7a82407b 100644
--- a/drivers/net/ethernet/atheros/atlx/atl1.c
+++ b/drivers/net/ethernet/atheros/atlx/atl1.c
@@ -1861,14 +1861,21 @@ static u16 atl1_alloc_rx_buffers(struct atl1_adapter *adapter)
break;
}
- buffer_info->alloced = 1;
- buffer_info->skb = skb;
- buffer_info->length = (u16) adapter->rx_buffer_len;
page = virt_to_page(skb->data);
offset = offset_in_page(skb->data);
buffer_info->dma = dma_map_page(&pdev->dev, page, offset,
adapter->rx_buffer_len,
DMA_FROM_DEVICE);
+ if (dma_mapping_error(&pdev->dev, buffer_info->dma)) {
+ kfree_skb(skb);
+ adapter->soft_stats.rx_dropped++;
+ break;
+ }
+
+ buffer_info->alloced = 1;
+ buffer_info->skb = skb;
+ buffer_info->length = (u16)adapter->rx_buffer_len;
+
rfd_desc->buffer_addr = cpu_to_le64(buffer_info->dma);
rfd_desc->buf_len = cpu_to_le16(adapter->rx_buffer_len);
rfd_desc->coalese = 0;
@@ -2180,8 +2187,8 @@ static int atl1_tx_csum(struct atl1_adapter *adapter, struct sk_buff *skb,
return 0;
}
-static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
- struct tx_packet_desc *ptpd)
+static bool atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
+ struct tx_packet_desc *ptpd)
{
struct atl1_tpd_ring *tpd_ring = &adapter->tpd_ring;
struct atl1_buffer *buffer_info;
@@ -2191,6 +2198,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
unsigned int nr_frags;
unsigned int f;
int retval;
+ u16 first_mapped;
u16 next_to_use;
u16 data_len;
u8 hdr_len;
@@ -2198,6 +2206,7 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buf_len -= skb->data_len;
nr_frags = skb_shinfo(skb)->nr_frags;
next_to_use = atomic_read(&tpd_ring->next_to_use);
+ first_mapped = next_to_use;
buffer_info = &tpd_ring->buffer_info[next_to_use];
BUG_ON(buffer_info->skb);
/* put skb in last TPD */
@@ -2213,6 +2222,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
offset, hdr_len,
DMA_TO_DEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+ goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
@@ -2239,6 +2250,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
page, offset,
buffer_info->length,
DMA_TO_DEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev,
+ buffer_info->dma))
+ goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
}
@@ -2251,6 +2265,8 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = dma_map_page(&adapter->pdev->dev, page,
offset, buf_len,
DMA_TO_DEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma))
+ goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
}
@@ -2274,6 +2290,9 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
buffer_info->dma = skb_frag_dma_map(&adapter->pdev->dev,
frag, i * ATL1_MAX_TX_BUF_LEN,
buffer_info->length, DMA_TO_DEVICE);
+ if (dma_mapping_error(&adapter->pdev->dev,
+ buffer_info->dma))
+ goto dma_err;
if (++next_to_use == tpd_ring->count)
next_to_use = 0;
@@ -2282,6 +2301,22 @@ static void atl1_tx_map(struct atl1_adapter *adapter, struct sk_buff *skb,
/* last tpd's buffer-info */
buffer_info->skb = skb;
+
+ return true;
+
+ dma_err:
+ while (first_mapped != next_to_use) {
+ buffer_info = &tpd_ring->buffer_info[first_mapped];
+ dma_unmap_page(&adapter->pdev->dev,
+ buffer_info->dma,
+ buffer_info->length,
+ DMA_TO_DEVICE);
+ buffer_info->dma = 0;
+
+ if (++first_mapped == tpd_ring->count)
+ first_mapped = 0;
+ }
+ return false;
}
static void atl1_tx_queue(struct atl1_adapter *adapter, u16 count,
@@ -2352,10 +2387,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
len = skb_headlen(skb);
- if (unlikely(skb->len <= 0)) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
+ if (unlikely(skb->len <= 0))
+ goto drop_packet;
nr_frags = skb_shinfo(skb)->nr_frags;
for (f = 0; f < nr_frags; f++) {
@@ -2369,10 +2402,8 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
if (skb->protocol == htons(ETH_P_IP)) {
proto_hdr_len = (skb_transport_offset(skb) +
tcp_hdrlen(skb));
- if (unlikely(proto_hdr_len > len)) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
+ if (unlikely(proto_hdr_len > len))
+ goto drop_packet;
/* need additional TPD ? */
if (proto_hdr_len != len)
count += (len - proto_hdr_len +
@@ -2404,23 +2435,26 @@ static netdev_tx_t atl1_xmit_frame(struct sk_buff *skb,
}
tso = atl1_tso(adapter, skb, ptpd);
- if (tso < 0) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
+ if (tso < 0)
+ goto drop_packet;
if (!tso) {
ret_val = atl1_tx_csum(adapter, skb, ptpd);
- if (ret_val < 0) {
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
- }
+ if (ret_val < 0)
+ goto drop_packet;
}
- atl1_tx_map(adapter, skb, ptpd);
+ if (!atl1_tx_map(adapter, skb, ptpd))
+ goto drop_packet;
+
atl1_tx_queue(adapter, count, ptpd);
atl1_update_mailbox(adapter);
return NETDEV_TX_OK;
+
+drop_packet:
+ adapter->soft_stats.tx_errors++;
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
}
static int atl1_rings_clean(struct napi_struct *napi, int budget)
diff --git a/drivers/net/ethernet/cisco/enic/enic_main.c b/drivers/net/ethernet/cisco/enic/enic_main.c
index 52bc164a1cfb..a3f57069e972 100644
--- a/drivers/net/ethernet/cisco/enic/enic_main.c
+++ b/drivers/net/ethernet/cisco/enic/enic_main.c
@@ -2058,10 +2058,10 @@ static int enic_change_mtu(struct net_device *netdev, int new_mtu)
if (enic_is_dynamic(enic) || enic_is_sriov_vf(enic))
return -EOPNOTSUPP;
- if (netdev->mtu > enic->port_mtu)
+ if (new_mtu > enic->port_mtu)
netdev_warn(netdev,
"interface MTU (%d) set higher than port MTU (%d)\n",
- netdev->mtu, enic->port_mtu);
+ new_mtu, enic->port_mtu);
return _enic_change_mtu(netdev, new_mtu);
}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
index fa1b1b7dd8a0..07d8c9e41328 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
@@ -34,6 +34,75 @@ MODULE_DESCRIPTION("Freescale DPAA2 Ethernet Driver");
struct ptp_qoriq *dpaa2_ptp;
EXPORT_SYMBOL(dpaa2_ptp);
+static void dpaa2_eth_detect_features(struct dpaa2_eth_priv *priv)
+{
+ priv->features = 0;
+
+ if (dpaa2_eth_cmp_dpni_ver(priv, DPNI_PTP_ONESTEP_VER_MAJOR,
+ DPNI_PTP_ONESTEP_VER_MINOR) >= 0)
+ priv->features |= DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT;
+}
+
+static void dpaa2_update_ptp_onestep_indirect(struct dpaa2_eth_priv *priv,
+ u32 offset, u8 udp)
+{
+ struct dpni_single_step_cfg cfg;
+
+ cfg.en = 1;
+ cfg.ch_update = udp;
+ cfg.offset = offset;
+ cfg.peer_delay = 0;
+
+ if (dpni_set_single_step_cfg(priv->mc_io, 0, priv->mc_token, &cfg))
+ WARN_ONCE(1, "Failed to set single step register");
+}
+
+static void dpaa2_update_ptp_onestep_direct(struct dpaa2_eth_priv *priv,
+ u32 offset, u8 udp)
+{
+ u32 val = 0;
+
+ val = DPAA2_PTP_SINGLE_STEP_ENABLE |
+ DPAA2_PTP_SINGLE_CORRECTION_OFF(offset);
+
+ if (udp)
+ val |= DPAA2_PTP_SINGLE_STEP_CH;
+
+ if (priv->onestep_reg_base)
+ writel(val, priv->onestep_reg_base);
+}
+
+static void dpaa2_ptp_onestep_reg_update_method(struct dpaa2_eth_priv *priv)
+{
+ struct device *dev = priv->net_dev->dev.parent;
+ struct dpni_single_step_cfg ptp_cfg;
+
+ priv->dpaa2_set_onestep_params_cb = dpaa2_update_ptp_onestep_indirect;
+
+ if (!(priv->features & DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT))
+ return;
+
+ if (dpni_get_single_step_cfg(priv->mc_io, 0,
+ priv->mc_token, &ptp_cfg)) {
+ dev_err(dev, "dpni_get_single_step_cfg cannot retrieve onestep reg, falling back to indirect update\n");
+ return;
+ }
+
+ if (!ptp_cfg.ptp_onestep_reg_base) {
+ dev_err(dev, "1588 onestep reg not available, falling back to indirect update\n");
+ return;
+ }
+
+ priv->onestep_reg_base = ioremap(ptp_cfg.ptp_onestep_reg_base,
+ sizeof(u32));
+ if (!priv->onestep_reg_base) {
+ dev_err(dev, "1588 onestep reg cannot be mapped, falling back to indirect update\n");
+ return;
+ }
+
+ priv->dpaa2_set_onestep_params_cb = dpaa2_update_ptp_onestep_direct;
+}
+
static void *dpaa2_iova_to_virt(struct iommu_domain *domain,
dma_addr_t iova_addr)
{
@@ -693,7 +762,6 @@ static void dpaa2_eth_enable_tx_tstamp(struct dpaa2_eth_priv *priv,
struct sk_buff *skb)
{
struct ptp_tstamp origin_timestamp;
- struct dpni_single_step_cfg cfg;
u8 msgtype, twostep, udp;
struct dpaa2_faead *faead;
struct dpaa2_fas *fas;
@@ -747,14 +815,12 @@ static void dpaa2_eth_enable_tx_tstamp(struct dpaa2_eth_priv *priv,
htonl(origin_timestamp.sec_lsb);
*(__be32 *)(data + offset2 + 6) = htonl(origin_timestamp.nsec);
- cfg.en = 1;
- cfg.ch_update = udp;
- cfg.offset = offset1;
- cfg.peer_delay = 0;
+ if (priv->ptp_correction_off == offset1)
+ return;
+
+ priv->dpaa2_set_onestep_params_cb(priv, offset1, udp);
+ priv->ptp_correction_off = offset1;
- if (dpni_set_single_step_cfg(priv->mc_io, 0, priv->mc_token,
- &cfg))
- WARN_ONCE(1, "Failed to set single step register");
}
}
@@ -2199,6 +2265,9 @@ static int dpaa2_eth_ts_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
config.rx_filter = HWTSTAMP_FILTER_ALL;
}
+ if (priv->tx_tstamp_type == HWTSTAMP_TX_ONESTEP_SYNC)
+ dpaa2_ptp_onestep_reg_update_method(priv);
+
return copy_to_user(rq->ifr_data, &config, sizeof(config)) ?
-EFAULT : 0;
}
@@ -3443,6 +3512,7 @@ static int dpaa2_eth_setup_rx_flow(struct dpaa2_eth_priv *priv,
MEM_TYPE_PAGE_ORDER0, NULL);
if (err) {
dev_err(dev, "xdp_rxq_info_reg_mem_model failed\n");
+ xdp_rxq_info_unreg(&fq->channel->xdp_rxq);
return err;
}
@@ -3935,17 +4005,25 @@ static int dpaa2_eth_bind_dpni(struct dpaa2_eth_priv *priv)
return -EINVAL;
}
if (err)
- return err;
+ goto out;
}
err = dpni_get_qdid(priv->mc_io, 0, priv->mc_token,
DPNI_QUEUE_TX, &priv->tx_qdid);
if (err) {
dev_err(dev, "dpni_get_qdid() failed\n");
- return err;
+ goto out;
}
return 0;
+
+out:
+ while (i--) {
+ if (priv->fq[i].type == DPAA2_RX_FQ &&
+ xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+ xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+ }
+ return err;
}
/* Allocate rings for storing incoming frame descriptors */
@@ -4096,6 +4174,8 @@ static int dpaa2_eth_netdev_init(struct net_device *net_dev)
return err;
}
+ dpaa2_eth_detect_features(priv);
+
/* Capabilities listing */
supported |= IFF_LIVE_ADDR_CHANGE;
@@ -4300,6 +4380,17 @@ static void dpaa2_eth_del_ch_napi(struct dpaa2_eth_priv *priv)
}
}
+static void dpaa2_eth_free_rx_xdp_rxq(struct dpaa2_eth_priv *priv)
+{
+ int i;
+
+ for (i = 0; i < priv->num_fqs; i++) {
+ if (priv->fq[i].type == DPAA2_RX_FQ &&
+ xdp_rxq_info_is_reg(&priv->fq[i].channel->xdp_rxq))
+ xdp_rxq_info_unreg(&priv->fq[i].channel->xdp_rxq);
+ }
+}
+
static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
{
struct device *dev;
@@ -4488,6 +4579,7 @@ static int dpaa2_eth_probe(struct fsl_mc_device *dpni_dev)
free_percpu(priv->percpu_stats);
err_alloc_percpu_stats:
dpaa2_eth_del_ch_napi(priv);
+ dpaa2_eth_free_rx_xdp_rxq(priv);
err_bind:
dpaa2_eth_free_dpbp(priv);
err_dpbp_setup:
@@ -4539,9 +4631,12 @@ static int dpaa2_eth_remove(struct fsl_mc_device *ls_dev)
free_percpu(priv->percpu_extras);
dpaa2_eth_del_ch_napi(priv);
+ dpaa2_eth_free_rx_xdp_rxq(priv);
dpaa2_eth_free_dpbp(priv);
dpaa2_eth_free_dpio(priv);
dpaa2_eth_free_dpni(priv);
+ if (priv->onestep_reg_base)
+ iounmap(priv->onestep_reg_base);
fsl_mc_portal_free(priv->mc_io);
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
index 67fd926331fe..805e5619e1e6 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.h
@@ -506,12 +506,15 @@ struct dpaa2_eth_priv {
u8 num_channels;
struct dpaa2_eth_channel *channel[DPAA2_ETH_MAX_DPCONS];
struct dpaa2_eth_sgt_cache __percpu *sgt_cache;
-
+ unsigned long features;
struct dpni_attr dpni_attrs;
u16 dpni_ver_major;
u16 dpni_ver_minor;
u16 tx_data_offset;
-
+ void __iomem *onestep_reg_base;
+ u8 ptp_correction_off;
+ void (*dpaa2_set_onestep_params_cb)(struct dpaa2_eth_priv *priv,
+ u32 offset, u8 udp);
struct fsl_mc_device *dpbp_dev;
u16 rx_buf_size;
u16 bpid;
@@ -651,6 +654,13 @@ enum dpaa2_eth_rx_dist {
#define DPAA2_ETH_DIST_L4DST BIT(8)
#define DPAA2_ETH_DIST_ALL (~0ULL)
+#define DPNI_PTP_ONESTEP_VER_MAJOR 8
+#define DPNI_PTP_ONESTEP_VER_MINOR 2
+#define DPAA2_ETH_FEATURE_ONESTEP_CFG_DIRECT BIT(0)
+#define DPAA2_PTP_SINGLE_STEP_ENABLE BIT(31)
+#define DPAA2_PTP_SINGLE_STEP_CH BIT(7)
+#define DPAA2_PTP_SINGLE_CORRECTION_OFF(v) ((v) << 8)
+
#define DPNI_PAUSE_VER_MAJOR 7
#define DPNI_PAUSE_VER_MINOR 13
#define dpaa2_eth_has_pause_support(priv) \
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
index 2da5f881f630..3a310d92ef2f 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-ethtool.c
@@ -225,17 +225,8 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
struct ethtool_stats *stats,
u64 *data)
{
- int i = 0;
- int j, k, err;
- int num_cnt;
- union dpni_statistics dpni_stats;
- u32 fcnt, bcnt;
- u32 fcnt_rx_total = 0, fcnt_tx_total = 0;
- u32 bcnt_rx_total = 0, bcnt_tx_total = 0;
- u32 buf_cnt;
struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
- struct dpaa2_eth_drv_stats *extras;
- struct dpaa2_eth_ch_stats *ch_stats;
+ union dpni_statistics dpni_stats;
int dpni_stats_page_size[DPNI_STATISTICS_CNT] = {
sizeof(dpni_stats.page_0),
sizeof(dpni_stats.page_1),
@@ -245,6 +236,13 @@ static void dpaa2_eth_get_ethtool_stats(struct net_device *net_dev,
sizeof(dpni_stats.page_5),
sizeof(dpni_stats.page_6),
};
+ u32 fcnt_rx_total = 0, fcnt_tx_total = 0;
+ u32 bcnt_rx_total = 0, bcnt_tx_total = 0;
+ struct dpaa2_eth_ch_stats *ch_stats;
+ struct dpaa2_eth_drv_stats *extras;
+ int j, k, err, num_cnt, i = 0;
+ u32 fcnt, bcnt;
+ u32 buf_cnt;
memset(data, 0,
sizeof(u64) * (DPAA2_ETH_NUM_STATS + DPAA2_ETH_NUM_EXTRA_STATS));
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
index 9f80bdfeedec..828f538097af 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
@@ -98,7 +98,7 @@
#define DPNI_CMDID_GET_LINK_CFG DPNI_CMD(0x278)
#define DPNI_CMDID_SET_SINGLE_STEP_CFG DPNI_CMD(0x279)
-#define DPNI_CMDID_GET_SINGLE_STEP_CFG DPNI_CMD(0x27a)
+#define DPNI_CMDID_GET_SINGLE_STEP_CFG DPNI_CMD_V2(0x27a)
/* Macros for accessing command fields smaller than 1byte */
#define DPNI_MASK(field) \
@@ -658,12 +658,16 @@ struct dpni_cmd_single_step_cfg {
__le16 flags;
__le16 offset;
__le32 peer_delay;
+ __le32 ptp_onestep_reg_base;
+ __le32 pad0;
};
struct dpni_rsp_single_step_cfg {
__le16 flags;
__le16 offset;
__le32 peer_delay;
+ __le32 ptp_onestep_reg_base;
+ __le32 pad0;
};
struct dpni_cmd_enable_vlan_filter {
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.c b/drivers/net/ethernet/freescale/dpaa2/dpni.c
index d6afada99fb6..6c3b36f20fb8 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -2136,6 +2136,8 @@ int dpni_get_single_step_cfg(struct fsl_mc_io *mc_io,
ptp_cfg->ch_update = dpni_get_field(le16_to_cpu(rsp_params->flags),
PTP_CH_UPDATE) ? 1 : 0;
ptp_cfg->peer_delay = le32_to_cpu(rsp_params->peer_delay);
+ ptp_cfg->ptp_onestep_reg_base =
+ le32_to_cpu(rsp_params->ptp_onestep_reg_base);
return err;
}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpni.h b/drivers/net/ethernet/freescale/dpaa2/dpni.h
index 7de0562bbf59..6fffd519aa00 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -1074,12 +1074,18 @@ int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
* @peer_delay: For peer-to-peer transparent clocks add this value to the
* correction field in addition to the transient time update.
* The value expresses nanoseconds.
+ * @ptp_onestep_reg_base: 1588 SINGLE_STEP register base address. This address
+ * is used to update directly the register contents.
+ * User has to create an address mapping for it.
+ *
+ *
*/
struct dpni_single_step_cfg {
u8 en;
u8 ch_update;
u16 offset;
u32 peer_delay;
+ u32 ptp_onestep_reg_base;
};
int dpni_set_single_step_cfg(struct fsl_mc_io *mc_io,
diff --git a/drivers/net/ethernet/freescale/enetc/enetc_hw.h b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
index 0f5f081a5baf..392348e28557 100644
--- a/drivers/net/ethernet/freescale/enetc/enetc_hw.h
+++ b/drivers/net/ethernet/freescale/enetc/enetc_hw.h
@@ -459,7 +459,7 @@ static inline u64 _enetc_rd_reg64(void __iomem *reg)
tmp = ioread32(reg + 4);
} while (high != tmp);
- return le64_to_cpu((__le64)high << 32 | low);
+ return (u64)high << 32 | low;
}
#endif
diff --git a/drivers/net/ethernet/intel/igc/igc_main.c b/drivers/net/ethernet/intel/igc/igc_main.c
index 4186e5732f97..f52c1674d19b 100644
--- a/drivers/net/ethernet/intel/igc/igc_main.c
+++ b/drivers/net/ethernet/intel/igc/igc_main.c
@@ -6549,6 +6549,10 @@ static int igc_probe(struct pci_dev *pdev,
adapter->port_num = hw->bus.func;
adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
+ /* Disable ASPM L1.2 on I226 devices to avoid packet loss */
+ if (igc_is_device_id_i226(hw))
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
err = pci_save_state(pdev);
if (err)
goto err_ioremap;
@@ -6914,6 +6918,9 @@ static int __maybe_unused igc_resume(struct device *dev)
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
+ if (igc_is_device_id_i226(hw))
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+
if (igc_init_interrupt_scheme(adapter, true)) {
netdev_err(netdev, "Unable to allocate memory for queues\n");
return -ENOMEM;
@@ -7029,6 +7036,9 @@ static pci_ers_result_t igc_io_slot_reset(struct pci_dev *pdev)
pci_enable_wake(pdev, PCI_D3hot, 0);
pci_enable_wake(pdev, PCI_D3cold, 0);
+ if (igc_is_device_id_i226(hw))
+ pci_disable_link_state_locked(pdev, PCIE_LINK_STATE_L1_2);
+
/* In case of PCI error, adapter loses its HW address
* so we should re-assign it here.
*/
diff --git a/drivers/net/ethernet/sun/niu.c b/drivers/net/ethernet/sun/niu.c
index 3fdc7c9824a3..879506343283 100644
--- a/drivers/net/ethernet/sun/niu.c
+++ b/drivers/net/ethernet/sun/niu.c
@@ -3317,7 +3317,7 @@ static int niu_rbr_add_page(struct niu *np, struct rx_ring_info *rp,
addr = np->ops->map_page(np->device, page, 0,
PAGE_SIZE, DMA_FROM_DEVICE);
- if (!addr) {
+ if (np->ops->mapping_error(np->device, addr)) {
__free_page(page);
return -ENOMEM;
}
@@ -6654,6 +6654,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
len = skb_headlen(skb);
mapping = np->ops->map_single(np->device, skb->data,
len, DMA_TO_DEVICE);
+ if (np->ops->mapping_error(np->device, mapping))
+ goto out_drop;
prod = rp->prod;
@@ -6695,6 +6697,8 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
mapping = np->ops->map_page(np->device, skb_frag_page(frag),
skb_frag_off(frag), len,
DMA_TO_DEVICE);
+ if (np->ops->mapping_error(np->device, mapping))
+ goto out_unmap;
rp->tx_buffs[prod].skb = NULL;
rp->tx_buffs[prod].mapping = mapping;
@@ -6719,6 +6723,19 @@ static netdev_tx_t niu_start_xmit(struct sk_buff *skb,
out:
return NETDEV_TX_OK;
+out_unmap:
+ while (i--) {
+ const skb_frag_t *frag;
+
+ prod = PREVIOUS_TX(rp, prod);
+ frag = &skb_shinfo(skb)->frags[i];
+ np->ops->unmap_page(np->device, rp->tx_buffs[prod].mapping,
+ skb_frag_size(frag), DMA_TO_DEVICE);
+ }
+
+ np->ops->unmap_single(np->device, rp->tx_buffs[rp->prod].mapping,
+ skb_headlen(skb), DMA_TO_DEVICE);
+
out_drop:
rp->tx_errors++;
kfree_skb(skb);
@@ -9612,6 +9629,11 @@ static void niu_pci_unmap_single(struct device *dev, u64 dma_address,
dma_unmap_single(dev, dma_address, size, direction);
}
+static int niu_pci_mapping_error(struct device *dev, u64 addr)
+{
+ return dma_mapping_error(dev, addr);
+}
+
static const struct niu_ops niu_pci_ops = {
.alloc_coherent = niu_pci_alloc_coherent,
.free_coherent = niu_pci_free_coherent,
@@ -9619,6 +9641,7 @@ static const struct niu_ops niu_pci_ops = {
.unmap_page = niu_pci_unmap_page,
.map_single = niu_pci_map_single,
.unmap_single = niu_pci_unmap_single,
+ .mapping_error = niu_pci_mapping_error,
};
static void niu_driver_version(void)
@@ -9985,6 +10008,11 @@ static void niu_phys_unmap_single(struct device *dev, u64 dma_address,
/* Nothing to do. */
}
+static int niu_phys_mapping_error(struct device *dev, u64 dma_address)
+{
+ return false;
+}
+
static const struct niu_ops niu_phys_ops = {
.alloc_coherent = niu_phys_alloc_coherent,
.free_coherent = niu_phys_free_coherent,
@@ -9992,6 +10020,7 @@ static const struct niu_ops niu_phys_ops = {
.unmap_page = niu_phys_unmap_page,
.map_single = niu_phys_map_single,
.unmap_single = niu_phys_unmap_single,
+ .mapping_error = niu_phys_mapping_error,
};
static int niu_of_probe(struct platform_device *op)
diff --git a/drivers/net/ethernet/sun/niu.h b/drivers/net/ethernet/sun/niu.h
index 04c215f91fc0..0b169c08b0f2 100644
--- a/drivers/net/ethernet/sun/niu.h
+++ b/drivers/net/ethernet/sun/niu.h
@@ -2879,6 +2879,9 @@ struct tx_ring_info {
#define NEXT_TX(tp, index) \
(((index) + 1) < (tp)->pending ? ((index) + 1) : 0)
+#define PREVIOUS_TX(tp, index) \
+ (((index) - 1) >= 0 ? ((index) - 1) : (((tp)->pending) - 1))
+
static inline u32 niu_tx_avail(struct tx_ring_info *tp)
{
return (tp->pending -
@@ -3140,6 +3143,7 @@ struct niu_ops {
enum dma_data_direction direction);
void (*unmap_single)(struct device *dev, u64 dma_address,
size_t size, enum dma_data_direction direction);
+ int (*mapping_error)(struct device *dev, u64 dma_address);
};
struct niu_link_config {
diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c
index af98e871199d..5a9e93fd1ef4 100644
--- a/drivers/net/wireless/ath/ath6kl/bmi.c
+++ b/drivers/net/wireless/ath/ath6kl/bmi.c
@@ -87,7 +87,9 @@ int ath6kl_bmi_get_target_info(struct ath6kl *ar,
* We need to do some backwards compatibility to make this work.
*/
if (le32_to_cpu(targ_info->byte_count) != sizeof(*targ_info)) {
- WARN_ON(1);
+ ath6kl_err("mismatched byte count %d vs. expected %zd\n",
+ le32_to_cpu(targ_info->byte_count),
+ sizeof(*targ_info));
return -EINVAL;
}
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index 4325b98993a4..ac47a6ee2e93 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1882,12 +1882,17 @@ static void prepopulate_bars(struct hv_pcibus_device *hbus)
}
}
if (high_size <= 1 && low_size <= 1) {
- /* Set the memory enable bit. */
- _hv_pcifront_read_config(hpdev, PCI_COMMAND, 2,
- &command);
- command |= PCI_COMMAND_MEMORY;
- _hv_pcifront_write_config(hpdev, PCI_COMMAND, 2,
- command);
+ /*
+ * No need to set the PCI_COMMAND_MEMORY bit as
+ * the core PCI driver doesn't require the bit
+ * to be pre-set. Actually here we intentionally
+ * keep the bit off so that the PCI BAR probing
+ * in the core PCI driver doesn't cause Hyper-V
+ * to unnecessarily unmap/map the virtual BARs
+ * from/to the physical BARs multiple times.
+ * This reduces the VM boot time significantly
+ * if the BAR sizes are huge.
+ */
break;
}
}
diff --git a/drivers/platform/mellanox/mlxbf-tmfifo.c b/drivers/platform/mellanox/mlxbf-tmfifo.c
index 767f4406e55f..1eb7f4eb1156 100644
--- a/drivers/platform/mellanox/mlxbf-tmfifo.c
+++ b/drivers/platform/mellanox/mlxbf-tmfifo.c
@@ -253,7 +253,8 @@ static int mlxbf_tmfifo_alloc_vrings(struct mlxbf_tmfifo *fifo,
vring->align = SMP_CACHE_BYTES;
vring->index = i;
vring->vdev_id = tm_vdev->vdev.id.device;
- vring->drop_desc.len = VRING_DROP_DESC_MAX_LEN;
+ vring->drop_desc.len = cpu_to_virtio32(&tm_vdev->vdev,
+ VRING_DROP_DESC_MAX_LEN);
dev = &tm_vdev->vdev.dev;
size = vring_size(vring->num, vring->align);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h b/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
index 3ad33a094588..817ee7ba07ca 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/dell-wmi-sysman.h
@@ -89,6 +89,11 @@ extern struct wmi_sysman_priv wmi_priv;
enum { ENUM, INT, STR, PO };
+#define ENUM_MIN_ELEMENTS 8
+#define INT_MIN_ELEMENTS 9
+#define STR_MIN_ELEMENTS 8
+#define PO_MIN_ELEMENTS 4
+
enum {
ATTR_NAME,
DISPL_NAME_LANG_CODE,
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
index 8cc212c85266..fc2f58b4cbc6 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
@@ -23,9 +23,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_ENUMERATION_ATTRIBUTE_GUID);
if (!obj)
return -EIO;
- if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < ENUM_MIN_ELEMENTS ||
+ obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
kfree(obj);
- return -EINVAL;
+ return -EIO;
}
ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
index 951e75b538fa..735248064239 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/int-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_INTEGER_ATTRIBUTE_GUID);
if (!obj)
return -EIO;
- if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < INT_MIN_ELEMENTS ||
+ obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_INTEGER) {
kfree(obj);
- return -EINVAL;
+ return -EIO;
}
ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[CURRENT_VAL].integer.value);
kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
index d8f1bf5e58a0..3167e06d416e 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/passobj-attributes.c
@@ -26,9 +26,10 @@ static ssize_t is_enabled_show(struct kobject *kobj, struct kobj_attribute *attr
obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_PASSOBJ_ATTRIBUTE_GUID);
if (!obj)
return -EIO;
- if (obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < PO_MIN_ELEMENTS ||
+ obj->package.elements[IS_PASS_SET].type != ACPI_TYPE_INTEGER) {
kfree(obj);
- return -EINVAL;
+ return -EIO;
}
ret = snprintf(buf, PAGE_SIZE, "%lld\n", obj->package.elements[IS_PASS_SET].integer.value);
kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
index c392f0ecf8b5..0d2c74f8d1aa 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/string-attributes.c
@@ -25,9 +25,10 @@ static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *a
obj = get_wmiobj_pointer(instance_id, DELL_WMI_BIOS_STRING_ATTRIBUTE_GUID);
if (!obj)
return -EIO;
- if (obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
+ if (obj->type != ACPI_TYPE_PACKAGE || obj->package.count < STR_MIN_ELEMENTS ||
+ obj->package.elements[CURRENT_VAL].type != ACPI_TYPE_STRING) {
kfree(obj);
- return -EINVAL;
+ return -EIO;
}
ret = snprintf(buf, PAGE_SIZE, "%s\n", obj->package.elements[CURRENT_VAL].string.pointer);
kfree(obj);
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
index 47f8c5a63343..ddde6e41d8f3 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/sysman.c
@@ -411,10 +411,10 @@ static int init_bios_attributes(int attr_type, const char *guid)
return retval;
switch (attr_type) {
- case ENUM: min_elements = 8; break;
- case INT: min_elements = 9; break;
- case STR: min_elements = 8; break;
- case PO: min_elements = 4; break;
+ case ENUM: min_elements = ENUM_MIN_ELEMENTS; break;
+ case INT: min_elements = INT_MIN_ELEMENTS; break;
+ case STR: min_elements = STR_MIN_ELEMENTS; break;
+ case PO: min_elements = PO_MIN_ELEMENTS; break;
default:
pr_err("Error: Unknown attr_type: %d\n", attr_type);
return -EINVAL;
@@ -605,7 +605,7 @@ static int __init sysman_init(void)
release_attributes_data();
err_destroy_classdev:
- device_destroy(fw_attr_class, MKDEV(0, 0));
+ device_unregister(wmi_priv.class_dev);
err_unregister_class:
fw_attributes_class_put();
@@ -622,7 +622,7 @@ static int __init sysman_init(void)
static void __exit sysman_exit(void)
{
release_attributes_data();
- device_destroy(fw_attr_class, MKDEV(0, 0));
+ device_unregister(wmi_priv.class_dev);
fw_attributes_class_put();
exit_bios_attr_set_interface();
exit_bios_attr_pass_interface();
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index e75b09a144a3..7c655ace4fdc 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -13,6 +13,7 @@
#include <linux/bitops.h>
#include <linux/bug.h>
#include <linux/debugfs.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/dmi.h>
#include <linux/fb.h>
@@ -158,6 +159,20 @@ MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
*/
#define IDEAPAD_EC_TIMEOUT 200 /* in ms */
+/*
+ * Some models (e.g., ThinkBook since 2024) have a low tolerance for being
+ * polled too frequently. Doing so may break the state machine in the EC,
+ * resulting in a hard shutdown.
+ *
+ * It is also observed that frequent polls may disturb the ongoing operation
+ * and notably delay the availability of EC response.
+ *
+ * These values are used as the delay before the first poll and the interval
+ * between subsequent polls to solve the above issues.
+ */
+#define IDEAPAD_EC_POLL_MIN_US 150
+#define IDEAPAD_EC_POLL_MAX_US 300
+
static int eval_int(acpi_handle handle, const char *name, unsigned long *res)
{
unsigned long long result;
@@ -263,7 +278,7 @@ static int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *da
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
- schedule();
+ usleep_range(IDEAPAD_EC_POLL_MIN_US, IDEAPAD_EC_POLL_MAX_US);
err = eval_vpcr(handle, 1, &val);
if (err)
@@ -294,7 +309,7 @@ static int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long dat
end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1;
while (time_before(jiffies, end_jiffies)) {
- schedule();
+ usleep_range(IDEAPAD_EC_POLL_MIN_US, IDEAPAD_EC_POLL_MAX_US);
err = eval_vpcr(handle, 1, &val);
if (err)
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c
index 154b1b26d03f..36ff64a7b684 100644
--- a/drivers/platform/x86/think-lmi.c
+++ b/drivers/platform/x86/think-lmi.c
@@ -827,6 +827,14 @@ static int tlmi_sysfs_init(void)
goto fail_device_created;
}
+ tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
+ &tlmi_priv.class_dev->kobj);
+ if (!tlmi_priv.authentication_kset) {
+ kset_unregister(tlmi_priv.attribute_kset);
+ ret = -ENOMEM;
+ goto fail_device_created;
+ }
+
for (i = 0; i < TLMI_SETTINGS_COUNT; i++) {
/* Check if index is a valid setting - skip if it isn't */
if (!tlmi_priv.setting[i])
@@ -863,12 +871,6 @@ static int tlmi_sysfs_init(void)
goto fail_create_attr;
}
/* Create authentication entries */
- tlmi_priv.authentication_kset = kset_create_and_add("authentication", NULL,
- &tlmi_priv.class_dev->kobj);
- if (!tlmi_priv.authentication_kset) {
- ret = -ENOMEM;
- goto fail_create_attr;
- }
tlmi_priv.pwd_admin->kobj.kset = tlmi_priv.authentication_kset;
ret = kobject_add(&tlmi_priv.pwd_admin->kobj, NULL, "%s", "Admin");
if (ret)
@@ -892,7 +894,7 @@ static int tlmi_sysfs_init(void)
fail_create_attr:
tlmi_release_attr();
fail_device_created:
- device_destroy(fw_attr_class, MKDEV(0, 0));
+ device_unregister(tlmi_priv.class_dev);
fail_class_created:
fw_attributes_class_put();
return ret;
@@ -1055,7 +1057,7 @@ static int tlmi_analyze(void)
static void tlmi_remove(struct wmi_device *wdev)
{
tlmi_release_attr();
- device_destroy(fw_attr_class, MKDEV(0, 0));
+ device_unregister(tlmi_priv.class_dev);
fw_attributes_class_put();
}
diff --git a/drivers/regulator/gpio-regulator.c b/drivers/regulator/gpio-regulator.c
index 5927d4f3eabd..b34671eb49b5 100644
--- a/drivers/regulator/gpio-regulator.c
+++ b/drivers/regulator/gpio-regulator.c
@@ -220,6 +220,9 @@ of_get_gpio_regulator_config(struct device *dev, struct device_node *np,
regtype);
}
+ if (of_find_property(np, "vin-supply", NULL))
+ config->input_supply = "vin";
+
return config;
}
@@ -257,10 +260,22 @@ static int gpio_regulator_probe(struct platform_device *pdev)
return -ENOMEM;
}
- drvdata->gpiods = devm_kzalloc(dev, sizeof(struct gpio_desc *),
- GFP_KERNEL);
+ drvdata->gpiods = devm_kcalloc(dev, config->ngpios,
+ sizeof(struct gpio_desc *), GFP_KERNEL);
if (!drvdata->gpiods)
return -ENOMEM;
+
+ if (config->input_supply) {
+ drvdata->desc.supply_name = devm_kstrdup(&pdev->dev,
+ config->input_supply,
+ GFP_KERNEL);
+ if (!drvdata->desc.supply_name) {
+ dev_err(&pdev->dev,
+ "Failed to allocate input supply\n");
+ return -ENOMEM;
+ }
+ }
+
for (i = 0; i < config->ngpios; i++) {
drvdata->gpiods[i] = devm_gpiod_get_index(dev,
NULL,
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index 9f776c048a83..9f42224aed05 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -698,8 +698,12 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
{
u8 irqstat;
u8 rtc_control;
+ unsigned long flags;
- spin_lock(&rtc_lock);
+ /* We cannot use spin_lock() here, as cmos_interrupt() is also called
+ * in a non-irq context.
+ */
+ spin_lock_irqsave(&rtc_lock, flags);
/* When the HPET interrupt handler calls us, the interrupt
* status is passed as arg1 instead of the irq number. But
@@ -733,7 +737,7 @@ static irqreturn_t cmos_interrupt(int irq, void *p)
hpet_mask_rtc_irq_bit(RTC_AIE);
CMOS_READ(RTC_INTR_FLAGS);
}
- spin_unlock(&rtc_lock);
+ spin_unlock_irqrestore(&rtc_lock, flags);
if (is_intr(irqstat)) {
rtc_update_irq(p, 1, irqstat);
@@ -1284,9 +1288,7 @@ static void cmos_check_wkalrm(struct device *dev)
* ACK the rtc irq here
*/
if (t_now >= cmos->alarm_expires && cmos_use_acpi_alarm()) {
- local_irq_disable();
cmos_interrupt(0, (void *)cmos->rtc);
- local_irq_enable();
return;
}
diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c
index 43dd937cdfba..a9732c3f54b7 100644
--- a/drivers/s390/crypto/pkey_api.c
+++ b/drivers/s390/crypto/pkey_api.c
@@ -1134,7 +1134,7 @@ static void *_copy_apqns_from_user(void __user *uapqns, size_t nr_apqns)
if (!uapqns || nr_apqns == 0)
return NULL;
- return memdup_user(uapqns, nr_apqns * sizeof(struct pkey_apqn));
+ return memdup_array_user(uapqns, nr_apqns, sizeof(struct pkey_apqn));
}
static long pkey_unlocked_ioctl(struct file *filp, unsigned int cmd,
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index d2ff54beb7cd..7a28582b1f73 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -2141,7 +2141,7 @@ qla24xx_get_port_database(scsi_qla_host_t *vha, u16 nport_handle,
pdb_dma = dma_map_single(&vha->hw->pdev->dev, pdb,
sizeof(*pdb), DMA_FROM_DEVICE);
- if (!pdb_dma) {
+ if (dma_mapping_error(&vha->hw->pdev->dev, pdb_dma)) {
ql_log(ql_log_warn, vha, 0x1116, "Failed to map dma buffer.\n");
return QLA_MEMORY_ALLOC_FAILED;
}
diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c
index dc466a364fb1..ab89f3171a09 100644
--- a/drivers/scsi/qla4xxx/ql4_os.c
+++ b/drivers/scsi/qla4xxx/ql4_os.c
@@ -3420,6 +3420,8 @@ static int qla4xxx_alloc_pdu(struct iscsi_task *task, uint8_t opcode)
task_data->data_dma = dma_map_single(&ha->pdev->dev, task->data,
task->data_count,
DMA_TO_DEVICE);
+ if (dma_mapping_error(&ha->pdev->dev, task_data->data_dma))
+ return -ENOMEM;
}
DEBUG2(ql4_printk(KERN_INFO, ha, "%s: MaxRecvLen %u, iscsi hrd %d\n",
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 3bfdcc2f22dc..369595dbb1fc 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -1180,7 +1180,7 @@ UFS_UNIT_DESC_PARAM(logical_block_size, _LOGICAL_BLK_SIZE, 1);
UFS_UNIT_DESC_PARAM(logical_block_count, _LOGICAL_BLK_COUNT, 8);
UFS_UNIT_DESC_PARAM(erase_block_size, _ERASE_BLK_SIZE, 4);
UFS_UNIT_DESC_PARAM(provisioning_type, _PROVISIONING_TYPE, 1);
-UFS_UNIT_DESC_PARAM(physical_memory_resourse_count, _PHY_MEM_RSRC_CNT, 8);
+UFS_UNIT_DESC_PARAM(physical_memory_resource_count, _PHY_MEM_RSRC_CNT, 8);
UFS_UNIT_DESC_PARAM(context_capabilities, _CTX_CAPABILITIES, 2);
UFS_UNIT_DESC_PARAM(large_unit_granularity, _LARGE_UNIT_SIZE_M1, 1);
UFS_UNIT_DESC_PARAM(hpb_lu_max_active_regions, _HPB_LU_MAX_ACTIVE_RGNS, 2);
@@ -1200,7 +1200,7 @@ static struct attribute *ufs_sysfs_unit_descriptor[] = {
&dev_attr_logical_block_count.attr,
&dev_attr_erase_block_size.attr,
&dev_attr_provisioning_type.attr,
- &dev_attr_physical_memory_resourse_count.attr,
+ &dev_attr_physical_memory_resource_count.attr,
&dev_attr_context_capabilities.attr,
&dev_attr_large_unit_granularity.attr,
&dev_attr_hpb_lu_max_active_regions.attr,
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index eda7ed618369..580fdcbcd9b6 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -964,11 +964,20 @@ static int dspi_transfer_one_message(struct spi_controller *ctlr,
if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) {
status = dspi_dma_xfer(dspi);
} else {
+ /*
+ * Reinitialize the completion before transferring data
+ * to avoid the case where it might remain in the done
+ * state due to a spurious interrupt from a previous
+ * transfer. This could falsely signal that the current
+ * transfer has completed.
+ */
+ if (dspi->irq)
+ reinit_completion(&dspi->xfer_done);
+
dspi_fifo_write(dspi);
if (dspi->irq) {
wait_for_completion(&dspi->xfer_done);
- reinit_completion(&dspi->xfer_done);
} else {
do {
status = dspi_poll(dspi);
diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index ac731415f733..904beca2c02d 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -869,29 +869,21 @@ static signed int aes_cipher(u8 *key, uint hdrlen,
num_blocks, payload_index;
u8 pn_vector[6];
- u8 mic_iv[16];
- u8 mic_header1[16];
- u8 mic_header2[16];
- u8 ctr_preload[16];
+ u8 mic_iv[16] = {};
+ u8 mic_header1[16] = {};
+ u8 mic_header2[16] = {};
+ u8 ctr_preload[16] = {};
/* Intermediate Buffers */
- u8 chain_buffer[16];
- u8 aes_out[16];
- u8 padded_buffer[16];
+ u8 chain_buffer[16] = {};
+ u8 aes_out[16] = {};
+ u8 padded_buffer[16] = {};
u8 mic[8];
uint frtype = GetFrameType(pframe);
uint frsubtype = GetFrameSubType(pframe);
frsubtype = frsubtype>>4;
- memset((void *)mic_iv, 0, 16);
- memset((void *)mic_header1, 0, 16);
- memset((void *)mic_header2, 0, 16);
- memset((void *)ctr_preload, 0, 16);
- memset((void *)chain_buffer, 0, 16);
- memset((void *)aes_out, 0, 16);
- memset((void *)padded_buffer, 0, 16);
-
if ((hdrlen == WLAN_HDR_A3_LEN) || (hdrlen == WLAN_HDR_A3_QOS_LEN))
a4_exists = 0;
else
@@ -1081,15 +1073,15 @@ static signed int aes_decipher(u8 *key, uint hdrlen,
num_blocks, payload_index;
signed int res = _SUCCESS;
u8 pn_vector[6];
- u8 mic_iv[16];
- u8 mic_header1[16];
- u8 mic_header2[16];
- u8 ctr_preload[16];
+ u8 mic_iv[16] = {};
+ u8 mic_header1[16] = {};
+ u8 mic_header2[16] = {};
+ u8 ctr_preload[16] = {};
/* Intermediate Buffers */
- u8 chain_buffer[16];
- u8 aes_out[16];
- u8 padded_buffer[16];
+ u8 chain_buffer[16] = {};
+ u8 aes_out[16] = {};
+ u8 padded_buffer[16] = {};
u8 mic[8];
uint frtype = GetFrameType(pframe);
@@ -1097,14 +1089,6 @@ static signed int aes_decipher(u8 *key, uint hdrlen,
frsubtype = frsubtype>>4;
- memset((void *)mic_iv, 0, 16);
- memset((void *)mic_header1, 0, 16);
- memset((void *)mic_header2, 0, 16);
- memset((void *)ctr_preload, 0, 16);
- memset((void *)chain_buffer, 0, 16);
- memset((void *)aes_out, 0, 16);
- memset((void *)padded_buffer, 0, 16);
-
/* start to decrypt the payload */
num_blocks = (plen-8) / 16; /* plen including LLC, payload_length and mic) */
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 3829b61b56c1..f4a797d3c573 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -1852,7 +1852,9 @@ core_scsi3_decode_spec_i_port(
}
kmem_cache_free(t10_pr_reg_cache, dest_pr_reg);
- core_scsi3_lunacl_undepend_item(dest_se_deve);
+
+ if (dest_se_deve)
+ core_scsi3_lunacl_undepend_item(dest_se_deve);
if (is_local)
continue;
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index 36871cebd6a0..0345eaf96963 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -808,16 +808,6 @@ static int ulite_probe(struct platform_device *pdev)
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
- if (!ulite_uart_driver.state) {
- dev_dbg(&pdev->dev, "uartlite: calling uart_register_driver()\n");
- ret = uart_register_driver(&ulite_uart_driver);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to register driver\n");
- clk_disable_unprepare(pdata->clk);
- return ret;
- }
- }
-
ret = ulite_assign(&pdev->dev, id, res->start, irq, pdata);
pm_runtime_mark_last_busy(&pdev->dev);
@@ -859,16 +849,25 @@ static struct platform_driver ulite_platform_driver = {
static int __init ulite_init(void)
{
+ int ret;
+
+ pr_debug("uartlite: calling uart_register_driver()\n");
+ ret = uart_register_driver(&ulite_uart_driver);
+ if (ret)
+ return ret;
pr_debug("uartlite: calling platform_driver_register()\n");
- return platform_driver_register(&ulite_platform_driver);
+ ret = platform_driver_register(&ulite_platform_driver);
+ if (ret)
+ uart_unregister_driver(&ulite_uart_driver);
+
+ return ret;
}
static void __exit ulite_exit(void)
{
platform_driver_unregister(&ulite_platform_driver);
- if (ulite_uart_driver.state)
- uart_unregister_driver(&ulite_uart_driver);
+ uart_unregister_driver(&ulite_uart_driver);
}
module_init(ulite_init);
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index d815ac98b39e..32fa4df121da 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -186,17 +186,26 @@ static unsigned short translations[][256] = {
static int inv_translate[MAX_NR_CONSOLES];
-struct uni_pagedir {
- u16 **uni_pgdir[32];
+/**
+ * struct uni_pagedict -- unicode directory
+ *
+ * @uni_pgdir: 32*32*64 table with glyphs
+ * @refcount: reference count of this structure
+ * @sum: checksum
+ * @inverse_translations: best-effort inverse mapping
+ * @inverse_trans_unicode: best-effort inverse mapping to unicode
+ */
+struct uni_pagedict {
+ u16 **uni_pgdir[32];
unsigned long refcount;
unsigned long sum;
unsigned char *inverse_translations[4];
u16 *inverse_trans_unicode;
};
-static struct uni_pagedir *dflt;
+static struct uni_pagedict *dflt;
-static void set_inverse_transl(struct vc_data *conp, struct uni_pagedir *p, int i)
+static void set_inverse_transl(struct vc_data *conp, struct uni_pagedict *p, int i)
{
int j, glyph;
unsigned short *t = translations[i];
@@ -221,7 +230,7 @@ static void set_inverse_transl(struct vc_data *conp, struct uni_pagedir *p, int
}
static void set_inverse_trans_unicode(struct vc_data *conp,
- struct uni_pagedir *p)
+ struct uni_pagedict *p)
{
int i, j, k, glyph;
u16 **p1, *p2;
@@ -270,7 +279,7 @@ unsigned short *set_translate(int m, struct vc_data *vc)
*/
u16 inverse_translate(const struct vc_data *conp, int glyph, int use_unicode)
{
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
int m;
if (glyph < 0 || glyph >= MAX_GLYPH)
return 0;
@@ -297,7 +306,7 @@ EXPORT_SYMBOL_GPL(inverse_translate);
static void update_user_maps(void)
{
int i;
- struct uni_pagedir *p, *q = NULL;
+ struct uni_pagedict *p, *q = NULL;
for (i = 0; i < MAX_NR_CONSOLES; i++) {
if (!vc_cons_allocated(i))
@@ -393,7 +402,7 @@ int con_get_trans_new(ushort __user * arg)
extern u8 dfont_unicount[]; /* Defined in console_defmap.c */
extern u16 dfont_unitable[];
-static void con_release_unimap(struct uni_pagedir *p)
+static void con_release_unimap(struct uni_pagedict *p)
{
u16 **p1;
int i, j;
@@ -419,7 +428,7 @@ static void con_release_unimap(struct uni_pagedir *p)
/* Caller must hold the console lock */
void con_free_unimap(struct vc_data *vc)
{
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
p = *vc->vc_uni_pagedir_loc;
if (!p)
@@ -431,10 +440,10 @@ void con_free_unimap(struct vc_data *vc)
kfree(p);
}
-static int con_unify_unimap(struct vc_data *conp, struct uni_pagedir *p)
+static int con_unify_unimap(struct vc_data *conp, struct uni_pagedict *p)
{
int i, j, k;
- struct uni_pagedir *q;
+ struct uni_pagedict *q;
for (i = 0; i < MAX_NR_CONSOLES; i++) {
if (!vc_cons_allocated(i))
@@ -472,7 +481,7 @@ static int con_unify_unimap(struct vc_data *conp, struct uni_pagedir *p)
}
static int
-con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
+con_insert_unipair(struct uni_pagedict *p, u_short unicode, u_short fontpos)
{
int i, n;
u16 **p1, *p2;
@@ -503,7 +512,7 @@ con_insert_unipair(struct uni_pagedir *p, u_short unicode, u_short fontpos)
/* Caller must hold the lock */
static int con_do_clear_unimap(struct vc_data *vc)
{
- struct uni_pagedir *p, *q;
+ struct uni_pagedict *p, *q;
p = *vc->vc_uni_pagedir_loc;
if (!p || --p->refcount) {
@@ -536,7 +545,7 @@ int con_clear_unimap(struct vc_data *vc)
int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
{
int err = 0, err1, i;
- struct uni_pagedir *p, *q;
+ struct uni_pagedict *p, *q;
struct unipair *unilist, *plist;
if (!ct)
@@ -569,7 +578,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
/*
* Since refcount was > 1, con_clear_unimap() allocated a
- * a new uni_pagedir for this vc. Re: p != q
+ * a new uni_pagedict for this vc. Re: p != q
*/
q = *vc->vc_uni_pagedir_loc;
@@ -660,7 +669,7 @@ int con_set_default_unimap(struct vc_data *vc)
{
int i, j, err = 0, err1;
u16 *q;
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
if (dflt) {
p = *vc->vc_uni_pagedir_loc;
@@ -714,7 +723,7 @@ EXPORT_SYMBOL(con_set_default_unimap);
*/
int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc)
{
- struct uni_pagedir *q;
+ struct uni_pagedict *q;
if (!*src_vc->vc_uni_pagedir_loc)
return -EINVAL;
@@ -739,7 +748,7 @@ int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct uni
int i, j, k, ret = 0;
ushort ect;
u16 **p1, *p2;
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
struct unipair *unilist;
unilist = kvmalloc_array(ct, sizeof(struct unipair), GFP_KERNEL);
@@ -810,7 +819,7 @@ conv_uni_to_pc(struct vc_data *conp, long ucs)
{
int h;
u16 **p1, *p2;
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
/* Only 16-bit codes supported at this time */
if (ucs > 0xffff)
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bd125ea5c51f..a6e0c803e96e 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1014,7 +1014,7 @@ void redraw_screen(struct vc_data *vc, int is_switch)
}
if (redraw) {
- int update;
+ bool update;
int old_was_color = vc->vc_can_do_color;
set_origin(vc);
@@ -1050,7 +1050,7 @@ int vc_cons_allocated(unsigned int i)
return (i < MAX_NR_CONSOLES && vc_cons[i].d);
}
-static void visual_init(struct vc_data *vc, int num, int init)
+static void visual_init(struct vc_data *vc, int num, bool init)
{
/* ++Geert: vc->vc_sw->con_init determines console size */
if (vc->vc_sw)
@@ -1134,7 +1134,7 @@ int vc_allocate(unsigned int currcons) /* return 0 on success */
vc->port.ops = &vc_port_ops;
INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
- visual_init(vc, currcons, 1);
+ visual_init(vc, currcons, true);
if (!*vc->vc_uni_pagedir_loc)
con_set_default_unimap(vc);
@@ -1628,7 +1628,7 @@ static void csi_X(struct vc_data *vc, unsigned int vpar)
vc_uniscr_clear_line(vc, vc->state.x, count);
scr_memsetw((unsigned short *)vc->vc_pos, vc->vc_video_erase_char, 2 * count);
if (con_should_update(vc))
- vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, 1, count);
+ vc->vc_sw->con_clear(vc, vc->state.y, vc->state.x, count);
vc->vc_need_wrap = 0;
}
@@ -3521,7 +3521,7 @@ static int __init con_init(void)
vc_cons[currcons].d = vc = kzalloc(sizeof(struct vc_data), GFP_NOWAIT);
INIT_WORK(&vc_cons[currcons].SAK_work, vc_SAK);
tty_port_init(&vc->port);
- visual_init(vc, currcons, 1);
+ visual_init(vc, currcons, true);
/* Assuming vc->vc_{cols,rows,screenbuf_size} are sane here. */
vc->vc_screenbuf = kzalloc(vc->vc_screenbuf_size, GFP_NOWAIT);
vc_init(vc, vc->vc_rows, vc->vc_cols,
@@ -3692,7 +3692,7 @@ static int do_bind_con_driver(const struct consw *csw, int first, int last,
old_was_color = vc->vc_can_do_color;
vc->vc_sw->con_deinit(vc);
vc->vc_origin = (unsigned long)vc->vc_screenbuf;
- visual_init(vc, i, 0);
+ visual_init(vc, i, false);
set_origin(vc);
update_attr(vc);
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index 9daa1afbf9db..865a5b289e0a 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -249,6 +249,7 @@ hv_uio_probe(struct hv_device *dev,
struct hv_uio_private_data *pdata;
void *ring_buffer;
int ret;
+ size_t ring_size = hv_dev_ring_size(channel);
/* Communicating with host has to be via shared memory not hypercall */
if (!channel->offermsg.monitor_allocated) {
@@ -256,12 +257,17 @@ hv_uio_probe(struct hv_device *dev,
return -ENOTSUPP;
}
+ if (!ring_size)
+ ring_size = HV_RING_SIZE * PAGE_SIZE;
+
+ /* Adjust ring size if necessary to have it page aligned */
+ ring_size = VMBUS_RING_SIZE(ring_size);
+
pdata = devm_kzalloc(&dev->device, sizeof(*pdata), GFP_KERNEL);
if (!pdata)
return -ENOMEM;
- ret = vmbus_alloc_ring(channel, HV_RING_SIZE * PAGE_SIZE,
- HV_RING_SIZE * PAGE_SIZE);
+ ret = vmbus_alloc_ring(channel, ring_size, ring_size);
if (ret)
return ret;
diff --git a/drivers/usb/cdns3/cdnsp-ring.c b/drivers/usb/cdns3/cdnsp-ring.c
index 6247584cb939..c9ad4280f4ba 100644
--- a/drivers/usb/cdns3/cdnsp-ring.c
+++ b/drivers/usb/cdns3/cdnsp-ring.c
@@ -772,7 +772,9 @@ static int cdnsp_update_port_id(struct cdnsp_device *pdev, u32 port_id)
}
if (port_id != old_port) {
- cdnsp_disable_slot(pdev);
+ if (pdev->slot_id)
+ cdnsp_disable_slot(pdev);
+
pdev->active_port = port;
cdnsp_enable_slot(pdev);
}
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index a4be6dba756b..4b5cf1a5e30d 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -92,7 +92,6 @@ struct wdm_device {
u16 wMaxCommand;
u16 wMaxPacketSize;
__le16 inum;
- int reslength;
int length;
int read;
int count;
@@ -214,6 +213,11 @@ static void wdm_in_callback(struct urb *urb)
if (desc->rerr == 0 && status != -EPIPE)
desc->rerr = status;
+ if (length == 0) {
+ dev_dbg(&desc->intf->dev, "received ZLP\n");
+ goto skip_zlp;
+ }
+
if (length + desc->length > desc->wMaxCommand) {
/* The buffer would overflow */
set_bit(WDM_OVERFLOW, &desc->flags);
@@ -222,18 +226,18 @@ static void wdm_in_callback(struct urb *urb)
if (!test_bit(WDM_OVERFLOW, &desc->flags)) {
memmove(desc->ubuf + desc->length, desc->inbuf, length);
desc->length += length;
- desc->reslength = length;
}
}
skip_error:
if (desc->rerr) {
/*
- * Since there was an error, userspace may decide to not read
- * any data after poll'ing.
+ * If there was a ZLP or an error, userspace may decide to not
+ * read any data after poll'ing.
* We should respond to further attempts from the device to send
* data, so that we can get unstuck.
*/
+skip_zlp:
schedule_work(&desc->service_outs_intr);
} else {
set_bit(WDM_READ, &desc->flags);
@@ -585,15 +589,6 @@ static ssize_t wdm_read
goto retry;
}
- if (!desc->reslength) { /* zero length read */
- dev_dbg(&desc->intf->dev, "zero length - clearing WDM_READ\n");
- clear_bit(WDM_READ, &desc->flags);
- rv = service_outstanding_interrupt(desc);
- spin_unlock_irq(&desc->iuspin);
- if (rv < 0)
- goto err;
- goto retry;
- }
cntr = desc->length;
spin_unlock_irq(&desc->iuspin);
}
@@ -1015,7 +1010,7 @@ static void service_interrupt_work(struct work_struct *work)
spin_lock_irq(&desc->iuspin);
service_outstanding_interrupt(desc);
- if (!desc->resp_count) {
+ if (!desc->resp_count && (desc->length || desc->rerr)) {
set_bit(WDM_READ, &desc->flags);
wake_up(&desc->wait);
}
diff --git a/drivers/usb/common/usb-conn-gpio.c b/drivers/usb/common/usb-conn-gpio.c
index 521c95935d4c..9691a1c8d8b0 100644
--- a/drivers/usb/common/usb-conn-gpio.c
+++ b/drivers/usb/common/usb-conn-gpio.c
@@ -20,6 +20,9 @@
#include <linux/power_supply.h>
#include <linux/regulator/consumer.h>
#include <linux/usb/role.h>
+#include <linux/idr.h>
+
+static DEFINE_IDA(usb_conn_ida);
#define USB_GPIO_DEB_MS 20 /* ms */
#define USB_GPIO_DEB_US ((USB_GPIO_DEB_MS) * 1000) /* us */
@@ -29,6 +32,7 @@
struct usb_conn_info {
struct device *dev;
+ int conn_id; /* store the IDA-allocated ID */
struct usb_role_switch *role_sw;
enum usb_role last_role;
struct regulator *vbus;
@@ -160,7 +164,17 @@ static int usb_conn_psy_register(struct usb_conn_info *info)
.of_node = dev->of_node,
};
- desc->name = "usb-charger";
+ info->conn_id = ida_alloc(&usb_conn_ida, GFP_KERNEL);
+ if (info->conn_id < 0)
+ return info->conn_id;
+
+ desc->name = devm_kasprintf(dev, GFP_KERNEL, "usb-charger-%d",
+ info->conn_id);
+ if (!desc->name) {
+ ida_free(&usb_conn_ida, info->conn_id);
+ return -ENOMEM;
+ }
+
desc->properties = usb_charger_properties;
desc->num_properties = ARRAY_SIZE(usb_charger_properties);
desc->get_property = usb_charger_get_property;
@@ -168,8 +182,10 @@ static int usb_conn_psy_register(struct usb_conn_info *info)
cfg.drv_data = info;
info->charger = devm_power_supply_register(dev, desc, &cfg);
- if (IS_ERR(info->charger))
- dev_err(dev, "Unable to register charger\n");
+ if (IS_ERR(info->charger)) {
+ dev_err(dev, "Unable to register charger %d\n", info->conn_id);
+ ida_free(&usb_conn_ida, info->conn_id);
+ }
return PTR_ERR_OR_ZERO(info->charger);
}
@@ -292,6 +308,9 @@ static int usb_conn_remove(struct platform_device *pdev)
cancel_delayed_work_sync(&info->dw_det);
+ if (info->charger)
+ ida_free(&usb_conn_ida, info->conn_id);
+
if (info->last_role == USB_ROLE_HOST && info->vbus)
regulator_disable(info->vbus);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 0ca390e2a8a7..25d3d7afffc4 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -224,7 +224,8 @@ static const struct usb_device_id usb_quirk_list[] = {
{ USB_DEVICE(0x046a, 0x0023), .driver_info = USB_QUIRK_RESET_RESUME },
/* Logitech HD Webcam C270 */
- { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME },
+ { USB_DEVICE(0x046d, 0x0825), .driver_info = USB_QUIRK_RESET_RESUME |
+ USB_QUIRK_NO_LPM},
/* Logitech HD Pro Webcams C920, C920-C, C922, C925e and C930e */
{ USB_DEVICE(0x046d, 0x082d), .driver_info = USB_QUIRK_DELAY_INIT },
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index ec8e003f5941..a16e7ebb7f95 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -750,15 +750,16 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
dev_set_name(&dev->dev, "usb%d", bus->busnum);
root_hub = 1;
} else {
+ int n;
+
/* match any labeling on the hubs; it's one-based */
if (parent->devpath[0] == '0') {
- snprintf(dev->devpath, sizeof dev->devpath,
- "%d", port1);
+ n = snprintf(dev->devpath, sizeof(dev->devpath), "%d", port1);
/* Root ports are not counted in route string */
dev->route = 0;
} else {
- snprintf(dev->devpath, sizeof dev->devpath,
- "%s.%d", parent->devpath, port1);
+ n = snprintf(dev->devpath, sizeof(dev->devpath), "%s.%d",
+ parent->devpath, port1);
/* Route string assumes hubs have less than 16 ports */
if (port1 < 15)
dev->route = parent->route +
@@ -767,6 +768,11 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
dev->route = parent->route +
(15 << ((parent->level - 1)*4));
}
+ if (n >= sizeof(dev->devpath)) {
+ usb_put_hcd(bus_to_hcd(bus));
+ usb_put_dev(dev);
+ return NULL;
+ }
dev->dev.parent = &parent->dev;
dev_set_name(&dev->dev, "%d-%s", bus->busnum, dev->devpath);
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 7d8523398e19..525d1d0cfc24 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -4602,6 +4602,12 @@ static int dwc2_hsotg_udc_stop(struct usb_gadget *gadget)
if (!hsotg)
return -ENODEV;
+ /* Exit clock gating when driver is stopped. */
+ if (hsotg->params.power_down == DWC2_POWER_DOWN_PARAM_NONE &&
+ hsotg->bus_suspended && !hsotg->params.no_clock_gating) {
+ dwc2_gadget_exit_clock_gating(hsotg, 0);
+ }
+
/* all endpoints should be shutdown */
for (ep = 1; ep < hsotg->num_of_eps; ep++) {
if (hsotg->eps_in[ep])
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 934e4b2a049f..de54b0143894 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1321,14 +1321,14 @@ static struct se_portal_group *usbg_make_tpg(struct se_wwn *wwn,
struct usbg_tport *tport = container_of(wwn, struct usbg_tport,
tport_wwn);
struct usbg_tpg *tpg;
- unsigned long tpgt;
+ u16 tpgt;
int ret;
struct f_tcm_opts *opts;
unsigned i;
if (strstr(name, "tpgt_") != name)
return ERR_PTR(-EINVAL);
- if (kstrtoul(name + 5, 0, &tpgt) || tpgt > UINT_MAX)
+ if (kstrtou16(name + 5, 0, &tpgt))
return ERR_PTR(-EINVAL);
ret = -ENODEV;
mutex_lock(&tpg_instances_lock);
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index c88293f55c4d..1091f6fd14c9 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -639,6 +639,10 @@ static void xhci_dbc_stop(struct xhci_dbc *dbc)
case DS_DISABLED:
return;
case DS_CONFIGURED:
+ spin_lock(&dbc->lock);
+ xhci_dbc_flush_requests(dbc);
+ spin_unlock(&dbc->lock);
+
if (dbc->driver->disconnect)
dbc->driver->disconnect(dbc);
break;
diff --git a/drivers/usb/host/xhci-dbgtty.c b/drivers/usb/host/xhci-dbgtty.c
index 18bcc96853ae..68c01a3f999a 100644
--- a/drivers/usb/host/xhci-dbgtty.c
+++ b/drivers/usb/host/xhci-dbgtty.c
@@ -537,6 +537,7 @@ static int dbc_tty_init(void)
dbc_tty_driver->type = TTY_DRIVER_TYPE_SERIAL;
dbc_tty_driver->subtype = SERIAL_TYPE_NORMAL;
dbc_tty_driver->init_termios = tty_std_termios;
+ dbc_tty_driver->init_termios.c_lflag &= ~ECHO;
dbc_tty_driver->init_termios.c_cflag =
B9600 | CS8 | CREAD | HUPCL | CLOCAL;
dbc_tty_driver->init_termios.c_ispeed = 9600;
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 97a912f0c4ee..d6725bfde016 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -298,6 +298,9 @@ static int dp_altmode_vdm(struct typec_altmode *alt,
break;
case CMDT_RSP_NAK:
switch (cmd) {
+ case DP_CMD_STATUS_UPDATE:
+ dp->state = DP_STATE_EXIT;
+ break;
case DP_CMD_CONFIGURE:
dp->data.conf = 0;
ret = dp_altmode_configured(dp);
@@ -499,7 +502,7 @@ static ssize_t pin_assignment_show(struct device *dev,
assignments = get_current_pin_assignments(dp);
- for (i = 0; assignments; assignments >>= 1, i++) {
+ for (i = 0; assignments && i < DP_PIN_ASSIGN_MAX; assignments >>= 1, i++) {
if (assignments & 1) {
if (i == cur)
len += sprintf(buf + len, "[%s] ",
diff --git a/drivers/video/console/dummycon.c b/drivers/video/console/dummycon.c
index f1711b2f9ff0..d99e1b3e4e5c 100644
--- a/drivers/video/console/dummycon.c
+++ b/drivers/video/console/dummycon.c
@@ -82,6 +82,15 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
/* Redraw, so that we get putc(s) for output done while blanked */
return 1;
}
+
+static bool dummycon_switch(struct vc_data *vc)
+{
+ /*
+ * Redraw, so that we get putc(s) for output done while switched
+ * away. Informs deferred consoles to take over the display.
+ */
+ return true;
+}
#else
static void dummycon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
static void dummycon_putcs(struct vc_data *vc, const unsigned short *s,
@@ -90,6 +99,10 @@ static int dummycon_blank(struct vc_data *vc, int blank, int mode_switch)
{
return 0;
}
+static bool dummycon_switch(struct vc_data *vc)
+{
+ return false;
+}
#endif
static const char *dummycon_startup(void)
@@ -97,7 +110,7 @@ static const char *dummycon_startup(void)
return "dummy device";
}
-static void dummycon_init(struct vc_data *vc, int init)
+static void dummycon_init(struct vc_data *vc, bool init)
{
vc->vc_can_do_color = 1;
if (init) {
@@ -108,8 +121,8 @@ static void dummycon_init(struct vc_data *vc, int init)
}
static void dummycon_deinit(struct vc_data *vc) { }
-static void dummycon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width) { }
+static void dummycon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width) { }
static void dummycon_cursor(struct vc_data *vc, int mode) { }
static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
@@ -119,11 +132,6 @@ static bool dummycon_scroll(struct vc_data *vc, unsigned int top,
return false;
}
-static int dummycon_switch(struct vc_data *vc)
-{
- return 0;
-}
-
/*
* The console `switch' structure for the dummy console
*
diff --git a/drivers/video/console/mdacon.c b/drivers/video/console/mdacon.c
index ef29b321967f..26b41a8f36c8 100644
--- a/drivers/video/console/mdacon.c
+++ b/drivers/video/console/mdacon.c
@@ -352,7 +352,7 @@ static const char *mdacon_startup(void)
return "MDA-2";
}
-static void mdacon_init(struct vc_data *c, int init)
+static void mdacon_init(struct vc_data *c, bool init)
{
c->vc_complement_mask = 0x0800; /* reverse video */
c->vc_display_fg = &mda_display_fg;
@@ -442,26 +442,21 @@ static void mdacon_putcs(struct vc_data *c, const unsigned short *s,
}
}
-static void mdacon_clear(struct vc_data *c, int y, int x,
- int height, int width)
+static void mdacon_clear(struct vc_data *c, unsigned int y, unsigned int x,
+ unsigned int width)
{
u16 *dest = mda_addr(x, y);
u16 eattr = mda_convert_attr(c->vc_video_erase_char);
- if (width <= 0 || height <= 0)
+ if (width <= 0)
return;
- if (x==0 && width==mda_num_columns) {
- scr_memsetw(dest, eattr, height*width*2);
- } else {
- for (; height > 0; height--, dest+=mda_num_columns)
- scr_memsetw(dest, eattr, width*2);
- }
+ scr_memsetw(dest, eattr, width * 2);
}
-
-static int mdacon_switch(struct vc_data *c)
+
+static bool mdacon_switch(struct vc_data *c)
{
- return 1; /* redrawing needed */
+ return true; /* redrawing needed */
}
static int mdacon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/newport_con.c b/drivers/video/console/newport_con.c
index d9c682ae0392..1ebb18bf1098 100644
--- a/drivers/video/console/newport_con.c
+++ b/drivers/video/console/newport_con.c
@@ -324,7 +324,7 @@ static const char *newport_startup(void)
return NULL;
}
-static void newport_init(struct vc_data *vc, int init)
+static void newport_init(struct vc_data *vc, bool init)
{
int cols, rows;
@@ -346,12 +346,12 @@ static void newport_deinit(struct vc_data *c)
}
}
-static void newport_clear(struct vc_data *vc, int sy, int sx, int height,
- int width)
+static void newport_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width)
{
int xend = ((sx + width) << 3) - 1;
int ystart = ((sy << 4) + topscan) & 0x3ff;
- int yend = (((sy + height) << 4) + topscan - 1) & 0x3ff;
+ int yend = (((sy + 1) << 4) + topscan - 1) & 0x3ff;
if (logo_active)
return;
@@ -462,7 +462,7 @@ static void newport_cursor(struct vc_data *vc, int mode)
}
}
-static int newport_switch(struct vc_data *vc)
+static bool newport_switch(struct vc_data *vc)
{
static int logo_drawn = 0;
@@ -476,7 +476,7 @@ static int newport_switch(struct vc_data *vc)
}
}
- return 1;
+ return true;
}
static int newport_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c
index f304163e87e9..6b82194a8ef3 100644
--- a/drivers/video/console/sticon.c
+++ b/drivers/video/console/sticon.c
@@ -272,7 +272,7 @@ static int sticon_font_set(struct vc_data *vc, struct console_font *font,
return sticon_set_font(vc, font);
}
-static void sticon_init(struct vc_data *c, int init)
+static void sticon_init(struct vc_data *c, bool init)
{
struct sti_struct *sti = sticon_sti;
int vc_cols, vc_rows;
@@ -299,19 +299,19 @@ static void sticon_deinit(struct vc_data *c)
sticon_set_def_font(i, NULL);
}
-static void sticon_clear(struct vc_data *conp, int sy, int sx, int height,
- int width)
+static void sticon_clear(struct vc_data *conp, unsigned int sy, unsigned int sx,
+ unsigned int width)
{
- if (!height || !width)
+ if (!width)
return;
- sti_clear(sticon_sti, sy, sx, height, width,
+ sti_clear(sticon_sti, sy, sx, 1, width,
conp->vc_video_erase_char, font_data[conp->vc_num]);
}
-static int sticon_switch(struct vc_data *conp)
+static bool sticon_switch(struct vc_data *conp)
{
- return 1; /* needs refreshing */
+ return true; /* needs refreshing */
}
static int sticon_blank(struct vc_data *c, int blank, int mode_switch)
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index 63a6944ebb19..448aede31b94 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -65,17 +65,9 @@ static struct vgastate vgastate;
* Interface used by the world
*/
-static const char *vgacon_startup(void);
-static void vgacon_init(struct vc_data *c, int init);
-static void vgacon_deinit(struct vc_data *c);
-static void vgacon_cursor(struct vc_data *c, int mode);
-static int vgacon_switch(struct vc_data *c);
-static int vgacon_blank(struct vc_data *c, int blank, int mode_switch);
-static void vgacon_scrolldelta(struct vc_data *c, int lines);
static int vgacon_set_origin(struct vc_data *c);
-static void vgacon_save_screen(struct vc_data *c);
-static void vgacon_invert_region(struct vc_data *c, u16 * p, int count);
-static struct uni_pagedir *vgacon_uni_pagedir;
+
+static struct uni_pagedict *vgacon_uni_pagedir;
static int vgacon_refcount;
/* Description of the hardware situation */
@@ -163,12 +155,6 @@ static inline void vga_set_mem_top(struct vc_data *c)
write_vga(12, (c->vc_visible_origin - vga_vram_base) / 2);
}
-static void vgacon_restore_screen(struct vc_data *c)
-{
- if (c->vc_origin != c->vc_visible_origin)
- vgacon_scrolldelta(c, 0);
-}
-
static void vgacon_scrolldelta(struct vc_data *c, int lines)
{
vc_scrolldelta_helper(c, lines, vga_rolled_over, (void *)vga_vram_base,
@@ -176,6 +162,12 @@ static void vgacon_scrolldelta(struct vc_data *c, int lines)
vga_set_mem_top(c);
}
+static void vgacon_restore_screen(struct vc_data *c)
+{
+ if (c->vc_origin != c->vc_visible_origin)
+ vgacon_scrolldelta(c, 0);
+}
+
static const char *vgacon_startup(void)
{
const char *display_desc = NULL;
@@ -361,9 +353,9 @@ static const char *vgacon_startup(void)
return display_desc;
}
-static void vgacon_init(struct vc_data *c, int init)
+static void vgacon_init(struct vc_data *c, bool init)
{
- struct uni_pagedir *p;
+ struct uni_pagedict *p;
/*
* We cannot be loaded as a module, therefore init will be 1
@@ -378,7 +370,7 @@ static void vgacon_init(struct vc_data *c, int init)
c->vc_scan_lines = vga_scan_lines;
c->vc_font.height = c->vc_cell_height = vga_video_font_height;
- /* set dimensions manually if init != 0 since vc_resize() will fail */
+ /* set dimensions manually if init is true since vc_resize() will fail */
if (init) {
c->vc_cols = vga_video_num_columns;
c->vc_rows = vga_video_num_lines;
@@ -624,7 +616,7 @@ static int vgacon_doresize(struct vc_data *c,
return 0;
}
-static int vgacon_switch(struct vc_data *c)
+static bool vgacon_switch(struct vc_data *c)
{
int x = c->vc_cols * VGA_FONTWIDTH;
int y = c->vc_rows * c->vc_cell_height;
@@ -653,7 +645,7 @@ static int vgacon_switch(struct vc_data *c)
vgacon_doresize(c, c->vc_cols, c->vc_rows);
}
- return 0; /* Redrawing not needed */
+ return false; /* Redrawing not needed */
}
static void vga_set_palette(struct vc_data *vc, const unsigned char *table)
@@ -1195,8 +1187,8 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
* The console `switch' structure for the VGA based console
*/
-static void vgacon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width) { }
+static void vgacon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width) { }
static void vgacon_putc(struct vc_data *vc, int c, int ypos, int xpos) { }
static void vgacon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos) { }
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 805a4745abd8..0e68fc85ea63 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -163,29 +163,14 @@ static int fbcon_cursor_noblink;
* Interface used by the world
*/
-static const char *fbcon_startup(void);
-static void fbcon_init(struct vc_data *vc, int init);
-static void fbcon_deinit(struct vc_data *vc);
-static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width);
-static void fbcon_putc(struct vc_data *vc, int c, int ypos, int xpos);
-static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
- int count, int ypos, int xpos);
static void fbcon_clear_margins(struct vc_data *vc, int bottom_only);
-static void fbcon_cursor(struct vc_data *vc, int mode);
static void fbcon_bmove(struct vc_data *vc, int sy, int sx, int dy, int dx,
int height, int width);
-static int fbcon_switch(struct vc_data *vc);
-static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch);
static void fbcon_set_palette(struct vc_data *vc, const unsigned char *table);
/*
* Internal routines
*/
-static __inline__ void ywrap_up(struct vc_data *vc, int count);
-static __inline__ void ywrap_down(struct vc_data *vc, int count);
-static __inline__ void ypan_up(struct vc_data *vc, int count);
-static __inline__ void ypan_down(struct vc_data *vc, int count);
static void fbcon_bmove_rec(struct vc_data *vc, struct fbcon_display *p, int sy, int sx,
int dy, int dx, int height, int width, u_int y_break);
static void fbcon_set_disp(struct fb_info *info, struct fb_var_screeninfo *var,
@@ -194,8 +179,8 @@ static void fbcon_redraw_move(struct vc_data *vc, struct fbcon_display *p,
int line, int count, int dy);
static void fbcon_modechanged(struct fb_info *info);
static void fbcon_set_all_vcs(struct fb_info *info);
-static void fbcon_start(void);
static void fbcon_exit(void);
+
static struct device *fbcon_device;
#ifdef CONFIG_FRAMEBUFFER_CONSOLE_ROTATION
@@ -1017,7 +1002,7 @@ static const char *fbcon_startup(void)
return display_desc;
}
-static void fbcon_init(struct vc_data *vc, int init)
+static void fbcon_init(struct vc_data *vc, bool init)
{
struct fb_info *info;
struct fbcon_ops *ops;
@@ -1244,8 +1229,8 @@ static void fbcon_deinit(struct vc_data *vc)
* restriction is simplicity & efficiency at the moment.
*/
-static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
- int width)
+static void __fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int height, unsigned int width)
{
struct fb_info *info = registered_fb[con2fb_map[vc->vc_num]];
struct fbcon_ops *ops = info->fbcon_par;
@@ -1284,6 +1269,12 @@ static void fbcon_clear(struct vc_data *vc, int sy, int sx, int height,
ops->clear(vc, info, real_y(p, sy), sx, height, width, fg, bg);
}
+static void fbcon_clear(struct vc_data *vc, unsigned int sy, unsigned int sx,
+ unsigned int width)
+{
+ __fbcon_clear(vc, sy, sx, 1, width);
+}
+
static void fbcon_putcs(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos)
{
@@ -1707,7 +1698,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, t, b - t - count,
count);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
@@ -1730,7 +1721,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_up;
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_REDRAW:
@@ -1748,7 +1739,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
vc->vc_rows - b, b);
} else
fbcon_redraw_move(vc, p, t + count, b - t - count, t);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_MOVE:
@@ -1771,14 +1762,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_up;
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
break;
case SCROLL_REDRAW:
redraw_up:
fbcon_redraw(vc, p, t, b - t - count,
count * vc->vc_cols);
- fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, b - count, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
(b - count)),
@@ -1795,7 +1786,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
case SCROLL_MOVE:
fbcon_redraw_blit(vc, info, p, b - 1, b - t - count,
-count);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
@@ -1818,7 +1809,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_down;
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_MOVE:
@@ -1840,7 +1831,7 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
b - t - count, vc->vc_cols);
else
goto redraw_down;
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_PAN_REDRAW:
@@ -1857,14 +1848,14 @@ static bool fbcon_scroll(struct vc_data *vc, unsigned int t, unsigned int b,
fbcon_redraw_move(vc, p, count, t, 0);
} else
fbcon_redraw_move(vc, p, t, b - t - count, t + count);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
break;
case SCROLL_REDRAW:
redraw_down:
fbcon_redraw(vc, p, b - 1, b - t - count,
-count * vc->vc_cols);
- fbcon_clear(vc, t, 0, count, vc->vc_cols);
+ __fbcon_clear(vc, t, 0, count, vc->vc_cols);
scr_memsetw((unsigned short *) (vc->vc_origin +
vc->vc_size_row *
t),
@@ -2071,7 +2062,7 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
return 0;
}
-static int fbcon_switch(struct vc_data *vc)
+static bool fbcon_switch(struct vc_data *vc)
{
struct fb_info *info, *old_info = NULL;
struct fbcon_ops *ops;
@@ -2194,9 +2185,9 @@ static int fbcon_switch(struct vc_data *vc)
vc->vc_origin + vc->vc_size_row * vc->vc_top,
vc->vc_size_row * (vc->vc_bottom -
vc->vc_top) / 2);
- return 0;
+ return false;
}
- return 1;
+ return true;
}
static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
@@ -2209,7 +2200,7 @@ static void fbcon_generic_blank(struct vc_data *vc, struct fb_info *info,
oldc = vc->vc_video_erase_char;
vc->vc_video_erase_char &= charmask;
- fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
+ __fbcon_clear(vc, 0, 0, vc->vc_rows, vc->vc_cols);
vc->vc_video_erase_char = oldc;
}
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d6e43c94436d..e3e5bd4fb477 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -3197,8 +3197,23 @@ static int btrfs_finish_ordered_io(struct btrfs_ordered_extent *ordered_extent)
unwritten_start += logical_len;
clear_extent_uptodate(io_tree, unwritten_start, end, NULL);
- /* Drop the cache for the part of the extent we didn't write. */
- btrfs_drop_extent_cache(inode, unwritten_start, end, 0);
+ /*
+ * Drop extent maps for the part of the extent we didn't write.
+ *
+ * We have an exception here for the free_space_inode, this is
+ * because when we do btrfs_get_extent() on the free space inode
+ * we will search the commit root. If this is a new block group
+ * we won't find anything, and we will trip over the assert in
+ * writepage where we do ASSERT(em->block_start !=
+ * EXTENT_MAP_HOLE).
+ *
+ * Theoretically we could also skip this for any NOCOW extent as
+ * we don't mess with the extent map tree in the NOCOW case, but
+ * for now simply skip this if we are the free space inode.
+ */
+ if (!btrfs_is_free_space_inode(inode))
+ btrfs_drop_extent_cache(inode, unwritten_start,
+ end, 0);
/*
* If the ordered extent had an IOERR or something else went
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index dcf0dd2093f5..7049a19e07ba 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1066,7 +1066,9 @@ static inline int __add_inode_ref(struct btrfs_trans_handle *trans,
search_key.type = BTRFS_INODE_REF_KEY;
search_key.offset = parent_objectid;
ret = btrfs_search_slot(NULL, root, &search_key, path, 0, 0);
- if (ret == 0) {
+ if (ret < 0) {
+ return ret;
+ } else if (ret == 0) {
struct btrfs_inode_ref *victim_ref;
unsigned long ptr;
unsigned long ptr_end;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index c0fcac0a1b8e..316f099a0bcf 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3197,6 +3197,12 @@ int btrfs_remove_chunk(struct btrfs_trans_handle *trans, u64 chunk_offset)
device->bytes_used - dev_extent_len);
atomic64_add(dev_extent_len, &fs_info->free_chunk_space);
btrfs_clear_space_info_full(fs_info);
+
+ if (list_empty(&device->post_commit_list)) {
+ list_add_tail(&device->post_commit_list,
+ &trans->transaction->dev_update_list);
+ }
+
mutex_unlock(&fs_info->chunk_mutex);
}
}
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
index f3fba3d27efa..e92a10ba58b3 100644
--- a/fs/ceph/file.c
+++ b/fs/ceph/file.c
@@ -2032,7 +2032,7 @@ static int ceph_zero_objects(struct inode *inode, loff_t offset, loff_t length)
s32 stripe_unit = ci->i_layout.stripe_unit;
s32 stripe_count = ci->i_layout.stripe_count;
s32 object_size = ci->i_layout.object_size;
- u64 object_set_size = object_size * stripe_count;
+ u64 object_set_size = (u64) object_size * stripe_count;
u64 nearly, t;
/* round offset up to next period boundary */
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 33328eae03d7..a3d37e7769e6 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -297,6 +297,14 @@ check_smb_hdr(struct smb_hdr *smb)
if (smb->Command == SMB_COM_LOCKING_ANDX)
return 0;
+ /*
+ * Windows NT server returns error resposne (e.g. STATUS_DELETE_PENDING
+ * or STATUS_OBJECT_NAME_NOT_FOUND or ERRDOS/ERRbadfile or any other)
+ * for some TRANS2 requests without the RESPONSE flag set in header.
+ */
+ if (smb->Command == SMB_COM_TRANSACTION2 && smb->Status.CifsError != 0)
+ return 0;
+
cifs_dbg(VFS, "Server sent request, not response. mid=%u\n",
get_mid(smb));
return 1;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 194d3f93ac5f..b9da3074a1af 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1737,26 +1737,32 @@ static int f2fs_statfs_project(struct super_block *sb,
limit = min_not_zero(dquot->dq_dqb.dqb_bsoftlimit,
dquot->dq_dqb.dqb_bhardlimit);
- if (limit)
- limit >>= sb->s_blocksize_bits;
+ limit >>= sb->s_blocksize_bits;
+
+ if (limit) {
+ uint64_t remaining = 0;
- if (limit && buf->f_blocks > limit) {
curblock = (dquot->dq_dqb.dqb_curspace +
dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
- buf->f_blocks = limit;
- buf->f_bfree = buf->f_bavail =
- (buf->f_blocks > curblock) ?
- (buf->f_blocks - curblock) : 0;
+ if (limit > curblock)
+ remaining = limit - curblock;
+
+ buf->f_blocks = min(buf->f_blocks, limit);
+ buf->f_bfree = min(buf->f_bfree, remaining);
+ buf->f_bavail = min(buf->f_bavail, remaining);
}
limit = min_not_zero(dquot->dq_dqb.dqb_isoftlimit,
dquot->dq_dqb.dqb_ihardlimit);
- if (limit && buf->f_files > limit) {
- buf->f_files = limit;
- buf->f_ffree =
- (buf->f_files > dquot->dq_dqb.dqb_curinodes) ?
- (buf->f_files - dquot->dq_dqb.dqb_curinodes) : 0;
+ if (limit) {
+ uint64_t remaining = 0;
+
+ if (limit > dquot->dq_dqb.dqb_curinodes)
+ remaining = limit - dquot->dq_dqb.dqb_curinodes;
+
+ buf->f_files = min(buf->f_files, limit);
+ buf->f_ffree = min(buf->f_ffree, remaining);
}
spin_unlock(&dquot->dq_dqb_lock);
diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c
index 65a94b012174..cfb81bf5881e 100644
--- a/fs/jfs/jfs_dmap.c
+++ b/fs/jfs/jfs_dmap.c
@@ -178,45 +178,30 @@ int dbMount(struct inode *ipbmap)
dbmp_le = (struct dbmap_disk *) mp->data;
bmp->db_mapsize = le64_to_cpu(dbmp_le->dn_mapsize);
bmp->db_nfree = le64_to_cpu(dbmp_le->dn_nfree);
-
bmp->db_l2nbperpage = le32_to_cpu(dbmp_le->dn_l2nbperpage);
- if (bmp->db_l2nbperpage > L2PSIZE - L2MINBLOCKSIZE ||
- bmp->db_l2nbperpage < 0) {
- err = -EINVAL;
- goto err_release_metapage;
- }
-
bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag);
- if (!bmp->db_numag || bmp->db_numag > MAXAG) {
- err = -EINVAL;
- goto err_release_metapage;
- }
-
bmp->db_maxlevel = le32_to_cpu(dbmp_le->dn_maxlevel);
bmp->db_maxag = le32_to_cpu(dbmp_le->dn_maxag);
bmp->db_agpref = le32_to_cpu(dbmp_le->dn_agpref);
- if (bmp->db_maxag >= MAXAG || bmp->db_maxag < 0 ||
- bmp->db_agpref >= MAXAG || bmp->db_agpref < 0) {
- err = -EINVAL;
- goto err_release_metapage;
- }
-
bmp->db_aglevel = le32_to_cpu(dbmp_le->dn_aglevel);
bmp->db_agheight = le32_to_cpu(dbmp_le->dn_agheight);
bmp->db_agwidth = le32_to_cpu(dbmp_le->dn_agwidth);
- if (!bmp->db_agwidth) {
- err = -EINVAL;
- goto err_release_metapage;
- }
bmp->db_agstart = le32_to_cpu(dbmp_le->dn_agstart);
bmp->db_agl2size = le32_to_cpu(dbmp_le->dn_agl2size);
- if (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG ||
- bmp->db_agl2size < 0) {
- err = -EINVAL;
- goto err_release_metapage;
- }
- if (((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {
+ if ((bmp->db_l2nbperpage > L2PSIZE - L2MINBLOCKSIZE) ||
+ (bmp->db_l2nbperpage < 0) ||
+ !bmp->db_numag || (bmp->db_numag > MAXAG) ||
+ (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) ||
+ (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) ||
+ (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) ||
+ (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) ||
+ (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) ||
+ (bmp->db_agstart < 0) ||
+ (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) ||
+ (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) ||
+ (bmp->db_agl2size < 0) ||
+ ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {
err = -EINVAL;
goto err_release_metapage;
}
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index b21601c0a457..76334a983cd2 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -2679,7 +2679,7 @@ int smb2_open(struct ksmbd_work *work)
int req_op_level = 0, open_flags = 0, may_flags = 0, file_info = 0;
int rc = 0;
int contxt_cnt = 0, query_disk_id = 0;
- int maximal_access_ctxt = 0, posix_ctxt = 0;
+ bool maximal_access_ctxt = false, posix_ctxt = false;
int s_type = 0;
int next_off = 0;
char *name = NULL;
@@ -2706,6 +2706,27 @@ int smb2_open(struct ksmbd_work *work)
return create_smb2_pipe(work);
}
+ if (req->CreateContextsOffset && tcon->posix_extensions) {
+ context = smb2_find_context_vals(req, SMB2_CREATE_TAG_POSIX, 16);
+ if (IS_ERR(context)) {
+ rc = PTR_ERR(context);
+ goto err_out2;
+ } else if (context) {
+ struct create_posix *posix = (struct create_posix *)context;
+
+ if (le16_to_cpu(context->DataOffset) +
+ le32_to_cpu(context->DataLength) <
+ sizeof(struct create_posix) - 4) {
+ rc = -EINVAL;
+ goto err_out2;
+ }
+ ksmbd_debug(SMB, "get posix context\n");
+
+ posix_mode = le32_to_cpu(posix->Mode);
+ posix_ctxt = true;
+ }
+ }
+
if (req->NameLength) {
if ((req->CreateOptions & FILE_DIRECTORY_FILE_LE) &&
*(char *)req->Buffer == '\\') {
@@ -2737,9 +2758,11 @@ int smb2_open(struct ksmbd_work *work)
goto err_out2;
}
- rc = ksmbd_validate_filename(name);
- if (rc < 0)
- goto err_out2;
+ if (posix_ctxt == false) {
+ rc = ksmbd_validate_filename(name);
+ if (rc < 0)
+ goto err_out2;
+ }
if (ksmbd_share_veto_filename(share, name)) {
rc = -ENOENT;
@@ -2854,28 +2877,6 @@ int smb2_open(struct ksmbd_work *work)
rc = -EBADF;
goto err_out2;
}
-
- if (tcon->posix_extensions) {
- context = smb2_find_context_vals(req,
- SMB2_CREATE_TAG_POSIX, 16);
- if (IS_ERR(context)) {
- rc = PTR_ERR(context);
- goto err_out2;
- } else if (context) {
- struct create_posix *posix =
- (struct create_posix *)context;
- if (le16_to_cpu(context->DataOffset) +
- le32_to_cpu(context->DataLength) <
- sizeof(struct create_posix) - 4) {
- rc = -EINVAL;
- goto err_out2;
- }
- ksmbd_debug(SMB, "get posix context\n");
-
- posix_mode = le32_to_cpu(posix->Mode);
- posix_ctxt = 1;
- }
- }
}
if (ksmbd_override_fsids(work)) {
diff --git a/fs/namespace.c b/fs/namespace.c
index 900738eab33f..adb966833a4b 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2205,14 +2205,14 @@ static int attach_recursive_mnt(struct mount *source_mnt,
hlist_for_each_entry_safe(child, n, &tree_list, mnt_hash) {
struct mount *q;
hlist_del_init(&child->mnt_hash);
- q = __lookup_mnt(&child->mnt_parent->mnt,
- child->mnt_mountpoint);
- if (q)
- mnt_change_mountpoint(child, smp, q);
/* Notice when we are propagating across user namespaces */
if (child->mnt_parent->mnt_ns->user_ns != user_ns)
lock_mnt_tree(child);
child->mnt.mnt_flags &= ~MNT_LOCKED;
+ q = __lookup_mnt(&child->mnt_parent->mnt,
+ child->mnt_mountpoint);
+ if (q)
+ mnt_change_mountpoint(child, smp, q);
commit_tree(child);
}
put_mountpoint(smp);
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index a55eec241657..7a568d2de472 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1099,6 +1099,7 @@ static void ff_layout_reset_read(struct nfs_pgio_header *hdr)
}
static int ff_layout_async_handle_error_v4(struct rpc_task *task,
+ u32 op_status,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
@@ -1109,32 +1110,42 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;
- switch (task->tk_status) {
- case -NFS4ERR_BADSESSION:
- case -NFS4ERR_BADSLOT:
- case -NFS4ERR_BAD_HIGH_SLOT:
- case -NFS4ERR_DEADSESSION:
- case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
- case -NFS4ERR_SEQ_FALSE_RETRY:
- case -NFS4ERR_SEQ_MISORDERED:
+ switch (op_status) {
+ case NFS4_OK:
+ case NFS4ERR_NXIO:
+ break;
+ case NFSERR_PERM:
+ if (!task->tk_xprt)
+ break;
+ xprt_force_disconnect(task->tk_xprt);
+ goto out_retry;
+ case NFS4ERR_BADSESSION:
+ case NFS4ERR_BADSLOT:
+ case NFS4ERR_BAD_HIGH_SLOT:
+ case NFS4ERR_DEADSESSION:
+ case NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
+ case NFS4ERR_SEQ_FALSE_RETRY:
+ case NFS4ERR_SEQ_MISORDERED:
dprintk("%s ERROR %d, Reset session. Exchangeid "
"flags 0x%x\n", __func__, task->tk_status,
clp->cl_exchange_flags);
nfs4_schedule_session_recovery(clp->cl_session, task->tk_status);
- break;
- case -NFS4ERR_DELAY:
- case -NFS4ERR_GRACE:
+ goto out_retry;
+ case NFS4ERR_DELAY:
+ nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+ fallthrough;
+ case NFS4ERR_GRACE:
rpc_delay(task, FF_LAYOUT_POLL_RETRY_MAX);
- break;
- case -NFS4ERR_RETRY_UNCACHED_REP:
- break;
+ goto out_retry;
+ case NFS4ERR_RETRY_UNCACHED_REP:
+ goto out_retry;
/* Invalidate Layout errors */
- case -NFS4ERR_PNFS_NO_LAYOUT:
- case -ESTALE: /* mapped NFS4ERR_STALE */
- case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */
- case -EISDIR: /* mapped NFS4ERR_ISDIR */
- case -NFS4ERR_FHEXPIRED:
- case -NFS4ERR_WRONG_TYPE:
+ case NFS4ERR_PNFS_NO_LAYOUT:
+ case NFS4ERR_STALE:
+ case NFS4ERR_BADHANDLE:
+ case NFS4ERR_ISDIR:
+ case NFS4ERR_FHEXPIRED:
+ case NFS4ERR_WRONG_TYPE:
dprintk("%s Invalid layout error %d\n", __func__,
task->tk_status);
/*
@@ -1147,6 +1158,11 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
pnfs_destroy_layout(NFS_I(inode));
rpc_wake_up(&tbl->slot_tbl_waitq);
goto reset;
+ default:
+ break;
+ }
+
+ switch (task->tk_status) {
/* RPC connection errors */
case -ECONNREFUSED:
case -EHOSTDOWN:
@@ -1162,26 +1178,56 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task,
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
rpc_wake_up(&tbl->slot_tbl_waitq);
- fallthrough;
+ break;
default:
- if (ff_layout_avoid_mds_available_ds(lseg))
- return -NFS4ERR_RESET_TO_PNFS;
-reset:
- dprintk("%s Retry through MDS. Error %d\n", __func__,
- task->tk_status);
- return -NFS4ERR_RESET_TO_MDS;
+ break;
}
+
+ if (ff_layout_avoid_mds_available_ds(lseg))
+ return -NFS4ERR_RESET_TO_PNFS;
+reset:
+ dprintk("%s Retry through MDS. Error %d\n", __func__,
+ task->tk_status);
+ return -NFS4ERR_RESET_TO_MDS;
+
+out_retry:
task->tk_status = 0;
return -EAGAIN;
}
/* Retry all errors through either pNFS or MDS except for -EJUKEBOX */
static int ff_layout_async_handle_error_v3(struct rpc_task *task,
+ u32 op_status,
+ struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
u32 idx)
{
struct nfs4_deviceid_node *devid = FF_LAYOUT_DEVID_NODE(lseg, idx);
+ switch (op_status) {
+ case NFS_OK:
+ case NFSERR_NXIO:
+ break;
+ case NFSERR_PERM:
+ if (!task->tk_xprt)
+ break;
+ xprt_force_disconnect(task->tk_xprt);
+ goto out_retry;
+ case NFSERR_ACCES:
+ case NFSERR_BADHANDLE:
+ case NFSERR_FBIG:
+ case NFSERR_IO:
+ case NFSERR_NOSPC:
+ case NFSERR_ROFS:
+ case NFSERR_STALE:
+ goto out_reset_to_pnfs;
+ case NFSERR_JUKEBOX:
+ nfs_inc_stats(lseg->pls_layout->plh_inode, NFSIOS_DELAY);
+ goto out_retry;
+ default:
+ break;
+ }
+
switch (task->tk_status) {
/* File access problems. Don't mark the device as unavailable */
case -EACCES:
@@ -1200,6 +1246,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
nfs4_delete_deviceid(devid->ld, devid->nfs_client,
&devid->deviceid);
}
+out_reset_to_pnfs:
/* FIXME: Need to prevent infinite looping here. */
return -NFS4ERR_RESET_TO_PNFS;
out_retry:
@@ -1210,6 +1257,7 @@ static int ff_layout_async_handle_error_v3(struct rpc_task *task,
}
static int ff_layout_async_handle_error(struct rpc_task *task,
+ u32 op_status,
struct nfs4_state *state,
struct nfs_client *clp,
struct pnfs_layout_segment *lseg,
@@ -1228,10 +1276,11 @@ static int ff_layout_async_handle_error(struct rpc_task *task,
switch (vers) {
case 3:
- return ff_layout_async_handle_error_v3(task, lseg, idx);
- case 4:
- return ff_layout_async_handle_error_v4(task, state, clp,
+ return ff_layout_async_handle_error_v3(task, op_status, clp,
lseg, idx);
+ case 4:
+ return ff_layout_async_handle_error_v4(task, op_status, state,
+ clp, lseg, idx);
default:
/* should never happen */
WARN_ON_ONCE(1);
@@ -1284,6 +1333,7 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg,
switch (status) {
case NFS4ERR_DELAY:
case NFS4ERR_GRACE:
+ case NFS4ERR_PERM:
break;
case NFS4ERR_NXIO:
ff_layout_mark_ds_unreachable(lseg, idx);
@@ -1316,7 +1366,8 @@ static int ff_layout_read_done_cb(struct rpc_task *task,
trace_ff_layout_read_error(hdr);
}
- err = ff_layout_async_handle_error(task, hdr->args.context->state,
+ err = ff_layout_async_handle_error(task, hdr->res.op_status,
+ hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1483,7 +1534,8 @@ static int ff_layout_write_done_cb(struct rpc_task *task,
trace_ff_layout_write_error(hdr);
}
- err = ff_layout_async_handle_error(task, hdr->args.context->state,
+ err = ff_layout_async_handle_error(task, hdr->res.op_status,
+ hdr->args.context->state,
hdr->ds_clp, hdr->lseg,
hdr->pgio_mirror_idx);
@@ -1529,8 +1581,9 @@ static int ff_layout_commit_done_cb(struct rpc_task *task,
trace_ff_layout_commit_error(data);
}
- err = ff_layout_async_handle_error(task, NULL, data->ds_clp,
- data->lseg, data->ds_commit_index);
+ err = ff_layout_async_handle_error(task, data->res.op_status,
+ NULL, data->ds_clp, data->lseg,
+ data->ds_commit_index);
trace_nfs4_pnfs_commit_ds(data, err);
switch (err) {
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 09922258f5a1..a8ac939edcf7 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -567,6 +567,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr, st
set_nlink(inode, fattr->nlink);
else if (fattr_supported & NFS_ATTR_FATTR_NLINK)
nfs_set_cache_invalid(inode, NFS_INO_INVALID_NLINK);
+ else
+ set_nlink(inode, 1);
if (fattr->valid & NFS_ATTR_FATTR_OWNER)
inode->i_uid = fattr->uid;
else if (fattr_supported & NFS_ATTR_FATTR_OWNER)
@@ -2455,15 +2457,26 @@ EXPORT_SYMBOL_GPL(nfs_net_id);
static int nfs_net_init(struct net *net)
{
struct nfs_net *nn = net_generic(net, nfs_net_id);
+ int err;
nfs_clients_init(net);
if (!rpc_proc_register(net, &nn->rpcstats)) {
- nfs_clients_exit(net);
- return -ENOMEM;
+ err = -ENOMEM;
+ goto err_proc_rpc;
}
- return nfs_fs_proc_net_init(net);
+ err = nfs_fs_proc_net_init(net);
+ if (err)
+ goto err_proc_nfs;
+
+ return 0;
+
+err_proc_nfs:
+ rpc_proc_unregister(net, "nfs");
+err_proc_rpc:
+ nfs_clients_exit(net);
+ return err;
}
static void nfs_net_exit(struct net *net)
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e4b3f25bb8e4..9d4e4146efef 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -10528,7 +10528,7 @@ const struct nfs4_minor_version_ops *nfs_v4_minor_ops[] = {
static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
{
- ssize_t error, error2, error3;
+ ssize_t error, error2, error3, error4;
size_t left = size;
error = generic_listxattr(dentry, list, left);
@@ -10551,8 +10551,16 @@ static ssize_t nfs4_listxattr(struct dentry *dentry, char *list, size_t size)
error3 = nfs4_listxattr_nfs4_user(d_inode(dentry), list, left);
if (error3 < 0)
return error3;
+ if (list) {
+ list += error3;
+ left -= error3;
+ }
+
+ error4 = security_inode_listsecurity(d_inode(dentry), list, left);
+ if (error4 < 0)
+ return error4;
- error += error2 + error3;
+ error += error2 + error3 + error4;
if (size && error > size)
return -ERANGE;
return error;
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 83935bb1719a..b41c6fced75a 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1927,8 +1927,10 @@ static void nfs_layoutget_begin(struct pnfs_layout_hdr *lo)
static void nfs_layoutget_end(struct pnfs_layout_hdr *lo)
{
if (atomic_dec_and_test(&lo->plh_outstanding) &&
- test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags))
+ test_and_clear_bit(NFS_LAYOUT_DRAIN, &lo->plh_flags)) {
+ smp_mb__after_atomic();
wake_up_bit(&lo->plh_flags, NFS_LAYOUT_DRAIN);
+ }
}
static bool pnfs_is_first_layoutget(struct pnfs_layout_hdr *lo)
diff --git a/fs/overlayfs/util.c b/fs/overlayfs/util.c
index 8a9980ab2ad8..74abba466f19 100644
--- a/fs/overlayfs/util.c
+++ b/fs/overlayfs/util.c
@@ -215,7 +215,9 @@ enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path)
struct dentry *ovl_dentry_upper(struct dentry *dentry)
{
- return ovl_upperdentry_dereference(OVL_I(d_inode(dentry)));
+ struct inode *inode = d_inode(dentry);
+
+ return inode ? ovl_upperdentry_dereference(OVL_I(inode)) : NULL;
}
struct dentry *ovl_dentry_lower(struct dentry *dentry)
diff --git a/include/dt-bindings/clock/am4.h b/include/dt-bindings/clock/am4.h
index d961e7cb3682..4be6c5961f34 100644
--- a/include/dt-bindings/clock/am4.h
+++ b/include/dt-bindings/clock/am4.h
@@ -158,6 +158,7 @@
#define AM4_L3S_VPFE0_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x68)
#define AM4_L3S_VPFE1_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x70)
#define AM4_L3S_GPMC_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x220)
+#define AM4_L3S_ADC1_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x230)
#define AM4_L3S_MCASP0_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x238)
#define AM4_L3S_MCASP1_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x240)
#define AM4_L3S_MMC3_CLKCTRL AM4_L3S_CLKCTRL_INDEX(0x248)
diff --git a/include/linux/console.h b/include/linux/console.h
index a97f277cfdfa..e2862542a162 100644
--- a/include/linux/console.h
+++ b/include/linux/console.h
@@ -34,9 +34,14 @@ enum vc_intensity;
/**
* struct consw - callbacks for consoles
*
+ * @con_init: initialize the console on @vc. @init is true for the very first
+ * call on this @vc.
+ * @con_clear: erase @count characters at [@x, @y] on @vc. @count >= 1.
* @con_scroll: move lines from @top to @bottom in direction @dir by @lines.
* Return true if no generic handling should be done.
* Invoked by csi_M and printing to the console.
+ * @con_switch: notifier about the console switch; it is supposed to return
+ * true if a redraw is needed.
* @con_set_palette: sets the palette of the console to @table (optional)
* @con_scrolldelta: the contents of the console should be scrolled by @lines.
* Invoked by user. (optional)
@@ -44,10 +49,10 @@ enum vc_intensity;
struct consw {
struct module *owner;
const char *(*con_startup)(void);
- void (*con_init)(struct vc_data *vc, int init);
+ void (*con_init)(struct vc_data *vc, bool init);
void (*con_deinit)(struct vc_data *vc);
- void (*con_clear)(struct vc_data *vc, int sy, int sx, int height,
- int width);
+ void (*con_clear)(struct vc_data *vc, unsigned int y,
+ unsigned int x, unsigned int count);
void (*con_putc)(struct vc_data *vc, int c, int ypos, int xpos);
void (*con_putcs)(struct vc_data *vc, const unsigned short *s,
int count, int ypos, int xpos);
@@ -55,7 +60,7 @@ struct consw {
bool (*con_scroll)(struct vc_data *vc, unsigned int top,
unsigned int bottom, enum con_scroll dir,
unsigned int lines);
- int (*con_switch)(struct vc_data *vc);
+ bool (*con_switch)(struct vc_data *vc);
int (*con_blank)(struct vc_data *vc, int blank, int mode_switch);
int (*con_font_set)(struct vc_data *vc, struct console_font *font,
unsigned int flags);
diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h
index d5b9c8d40c18..f75033f0277f 100644
--- a/include/linux/console_struct.h
+++ b/include/linux/console_struct.h
@@ -17,7 +17,7 @@
#include <linux/vt.h>
#include <linux/workqueue.h>
-struct uni_pagedir;
+struct uni_pagedict;
struct uni_screen;
#define NPAR 16
@@ -157,8 +157,8 @@ struct vc_data {
unsigned int vc_bell_duration; /* Console bell duration */
unsigned short vc_cur_blink_ms; /* Cursor blink duration */
struct vc_data **vc_display_fg; /* [!] Ptr to var holding fg console for this display */
- struct uni_pagedir *vc_uni_pagedir;
- struct uni_pagedir **vc_uni_pagedir_loc; /* [!] Location of uni_pagedir variable for this console */
+ struct uni_pagedict *vc_uni_pagedir;
+ struct uni_pagedict **vc_uni_pagedir_loc; /* [!] Location of uni_pagedict variable for this console */
struct uni_screen *vc_uni_screen; /* unicode screen content */
/* additional information is in vt_kern.h */
};
diff --git a/include/linux/cpu.h b/include/linux/cpu.h
index 87b5a176e848..ab1b88b16982 100644
--- a/include/linux/cpu.h
+++ b/include/linux/cpu.h
@@ -78,6 +78,7 @@ extern ssize_t cpu_show_reg_file_data_sampling(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t cpu_show_indirect_target_selection(struct device *dev,
struct device_attribute *attr, char *buf);
+extern ssize_t cpu_show_tsa(struct device *dev, struct device_attribute *attr, char *buf);
extern __printf(4, 5)
struct device *cpu_device_create(struct device *parent, void *drvdata,
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index aff435a42ead..62d5bb1f726f 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -815,6 +815,8 @@ struct vmbus_requestor {
#define VMBUS_RQST_RESET (U64_MAX - 3)
struct vmbus_device {
+ /* preferred ring buffer size in KB, 0 means no preferred size for this device */
+ size_t pref_ring_size;
u16 dev_type;
guid_t guid;
bool perf_device;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 5dfd663b70a2..b6fb76568b01 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -195,7 +195,6 @@ struct inet6_cork {
struct ipv6_txoptions *opt;
u8 hop_limit;
u8 tclass;
- u8 dontfrag:1;
};
/**
diff --git a/include/linux/regulator/gpio-regulator.h b/include/linux/regulator/gpio-regulator.h
index fdeb312cdabd..c223e50ff9f7 100644
--- a/include/linux/regulator/gpio-regulator.h
+++ b/include/linux/regulator/gpio-regulator.h
@@ -42,6 +42,7 @@ struct gpio_regulator_state {
/**
* struct gpio_regulator_config - config structure
* @supply_name: Name of the regulator supply
+ * @input_supply: Name of the input regulator supply
* @enabled_at_boot: Whether regulator has been enabled at
* boot or not. 1 = Yes, 0 = No
* This is used to keep the regulator at
@@ -62,6 +63,7 @@ struct gpio_regulator_state {
*/
struct gpio_regulator_config {
const char *supply_name;
+ const char *input_supply;
unsigned enabled_at_boot:1;
unsigned startup_delay;
diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h
index 8d09c2f0a9b8..c3f08af20295 100644
--- a/include/linux/usb/typec_dp.h
+++ b/include/linux/usb/typec_dp.h
@@ -56,6 +56,7 @@ enum {
DP_PIN_ASSIGN_D,
DP_PIN_ASSIGN_E,
DP_PIN_ASSIGN_F, /* Not supported after v1.0b */
+ DP_PIN_ASSIGN_MAX,
};
/* DisplayPort alt mode specific commands */
diff --git a/include/uapi/linux/vm_sockets.h b/include/uapi/linux/vm_sockets.h
index 46918a1852d7..4263c85593fa 100644
--- a/include/uapi/linux/vm_sockets.h
+++ b/include/uapi/linux/vm_sockets.h
@@ -17,6 +17,10 @@
#ifndef _UAPI_VM_SOCKETS_H
#define _UAPI_VM_SOCKETS_H
+#ifndef __KERNEL__
+#include <sys/socket.h> /* for struct sockaddr and sa_family_t */
+#endif
+
#include <linux/socket.h>
#include <linux/types.h>
diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
index 66c1ca01dd0e..185d37b02dc9 100644
--- a/kernel/rcu/tree.c
+++ b/kernel/rcu/tree.c
@@ -2988,6 +2988,10 @@ __call_rcu(struct rcu_head *head, rcu_callback_t func)
/* Misaligned rcu_head! */
WARN_ON_ONCE((unsigned long)head & (sizeof(void *) - 1));
+ /* Avoid NULL dereference if callback is NULL. */
+ if (WARN_ON_ONCE(!func))
+ return;
+
if (debug_rcu_head_queue(head)) {
/*
* Probable double call_rcu(), so leak the callback.
diff --git a/lib/test_objagg.c b/lib/test_objagg.c
index da137939a410..78d25ab19a96 100644
--- a/lib/test_objagg.c
+++ b/lib/test_objagg.c
@@ -899,8 +899,10 @@ static int check_expect_hints_stats(struct objagg_hints *objagg_hints,
int err;
stats = objagg_hints_stats_get(objagg_hints);
- if (IS_ERR(stats))
+ if (IS_ERR(stats)) {
+ *errmsg = "objagg_hints_stats_get() failed.";
return PTR_ERR(stats);
+ }
err = __check_expect_stats(stats, expect_stats, errmsg);
objagg_stats_put(stats);
return err;
diff --git a/net/atm/clip.c b/net/atm/clip.c
index 294cb9efe3d3..511467bb7fe4 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -193,12 +193,6 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
pr_debug("\n");
- if (!clip_devs) {
- atm_return(vcc, skb->truesize);
- kfree_skb(skb);
- return;
- }
-
if (!skb) {
pr_debug("removing VCC %p\n", clip_vcc);
if (clip_vcc->entry)
@@ -208,6 +202,11 @@ static void clip_push(struct atm_vcc *vcc, struct sk_buff *skb)
return;
}
atm_return(vcc, skb->truesize);
+ if (!clip_devs) {
+ kfree_skb(skb);
+ return;
+ }
+
skb->dev = clip_vcc->entry ? clip_vcc->entry->neigh->dev : clip_devs;
/* clip_vcc->entry == NULL if we don't have an IP address yet */
if (!skb->dev) {
diff --git a/net/atm/resources.c b/net/atm/resources.c
index 995d29e7fb13..b19d851e1f44 100644
--- a/net/atm/resources.c
+++ b/net/atm/resources.c
@@ -146,11 +146,10 @@ void atm_dev_deregister(struct atm_dev *dev)
*/
mutex_lock(&atm_dev_mutex);
list_del(&dev->dev_list);
- mutex_unlock(&atm_dev_mutex);
-
atm_dev_release_vccs(dev);
atm_unregister_sysfs(dev);
atm_proc_dev_deregister(dev);
+ mutex_unlock(&atm_dev_mutex);
atm_dev_put(dev);
}
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 89021b3b8f44..089fca4f7812 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -3576,7 +3576,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC };
struct l2cap_conf_efs efs;
u8 remote_efs = 0;
- u16 mtu = L2CAP_DEFAULT_MTU;
+ u16 mtu = 0;
u16 result = L2CAP_CONF_SUCCESS;
u16 size;
@@ -3687,6 +3687,13 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data, size_t data
/* Configure output options and let the other side know
* which ones we don't like. */
+ /* If MTU is not provided in configure request, use the most recently
+ * explicitly or implicitly accepted value for the other direction,
+ * or the default value.
+ */
+ if (mtu == 0)
+ mtu = chan->imtu ? chan->imtu : L2CAP_DEFAULT_MTU;
+
if (mtu < L2CAP_DEFAULT_MIN_MTU)
result = L2CAP_CONF_UNACCEPT;
else {
diff --git a/net/core/selftests.c b/net/core/selftests.c
index 29ca19ec82bb..63938efd5b55 100644
--- a/net/core/selftests.c
+++ b/net/core/selftests.c
@@ -160,8 +160,9 @@ static struct sk_buff *net_test_get_skb(struct net_device *ndev,
skb->csum = 0;
skb->ip_summed = CHECKSUM_PARTIAL;
if (attr->tcp) {
- thdr->check = ~tcp_v4_check(skb->len, ihdr->saddr,
- ihdr->daddr, 0);
+ int l4len = skb->len - skb_transport_offset(skb);
+
+ thdr->check = ~tcp_v4_check(l4len, ihdr->saddr, ihdr->daddr, 0);
skb->csum_start = skb_transport_header(skb) - skb->head;
skb->csum_offset = offsetof(struct tcphdr, check);
} else {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index a71b7a106995..4fcff4fe5a98 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1428,7 +1428,6 @@ static int ip6_setup_cork(struct sock *sk, struct inet_cork_full *cork,
cork->fl.u.ip6 = *fl6;
v6_cork->hop_limit = ipc6->hlimit;
v6_cork->tclass = ipc6->tclass;
- v6_cork->dontfrag = ipc6->dontfrag;
if (rt->dst.flags & DST_XFRM_TUNNEL)
mtu = np->pmtudisc >= IPV6_PMTUDISC_PROBE ?
READ_ONCE(rt->dst.dev->mtu) : dst_mtu(&rt->dst);
@@ -1463,7 +1462,7 @@ static int __ip6_append_data(struct sock *sk,
int getfrag(void *from, char *to, int offset,
int len, int odd, struct sk_buff *skb),
void *from, size_t length, int transhdrlen,
- unsigned int flags)
+ unsigned int flags, struct ipcm6_cookie *ipc6)
{
struct sk_buff *skb, *skb_prev = NULL;
unsigned int maxfraglen, fragheaderlen, mtu, orig_mtu, pmtu;
@@ -1520,7 +1519,7 @@ static int __ip6_append_data(struct sock *sk,
if (headersize + transhdrlen > mtu)
goto emsgsize;
- if (cork->length + length > mtu - headersize && v6_cork->dontfrag &&
+ if (cork->length + length > mtu - headersize && ipc6->dontfrag &&
(sk->sk_protocol == IPPROTO_UDP ||
sk->sk_protocol == IPPROTO_RAW)) {
ipv6_local_rxpmtu(sk, fl6, mtu - headersize +
@@ -1837,7 +1836,7 @@ int ip6_append_data(struct sock *sk,
return __ip6_append_data(sk, fl6, &sk->sk_write_queue, &inet->cork.base,
&np->cork, sk_page_frag(sk), getfrag,
- from, length, transhdrlen, flags);
+ from, length, transhdrlen, flags, ipc6);
}
EXPORT_SYMBOL_GPL(ip6_append_data);
@@ -2032,7 +2031,7 @@ struct sk_buff *ip6_make_skb(struct sock *sk,
err = __ip6_append_data(sk, fl6, &queue, &cork->base, &v6_cork,
¤t->task_frag, getfrag, from,
length + exthdrlen, transhdrlen + exthdrlen,
- flags);
+ flags, ipc6);
if (err) {
__ip6_flush_pending_frames(sk, &queue, cork, &v6_cork);
return ERR_PTR(err);
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 26943c93f14c..6c160ff2aab9 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4168,6 +4168,10 @@ static bool ieee80211_accept_frame(struct ieee80211_rx_data *rx)
if (!multicast &&
!ether_addr_equal(sdata->dev->dev_addr, hdr->addr1))
return false;
+ /* reject invalid/our STA address */
+ if (!is_valid_ether_addr(hdr->addr2) ||
+ ether_addr_equal(sdata->dev->dev_addr, hdr->addr2))
+ return false;
if (!rx->sta) {
int rate_idx;
if (status->encoding != RX_ENC_LEGACY)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index cc78d3cba45e..07512f0d5576 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -4350,7 +4350,7 @@ void ieee80211_recalc_dtim(struct ieee80211_local *local,
{
u64 tsf = drv_get_tsf(local, sdata);
u64 dtim_count = 0;
- u16 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
+ u32 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
u8 dtim_period = sdata->vif.bss_conf.dtim_period;
struct ps_data *ps;
u8 bcns_from_dtim;
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
index 66aa05db5390..d0112f186385 100644
--- a/net/rose/rose_route.c
+++ b/net/rose/rose_route.c
@@ -497,22 +497,15 @@ void rose_rt_device_down(struct net_device *dev)
t = rose_node;
rose_node = rose_node->next;
- for (i = 0; i < t->count; i++) {
+ for (i = t->count - 1; i >= 0; i--) {
if (t->neighbour[i] != s)
continue;
t->count--;
- switch (i) {
- case 0:
- t->neighbour[0] = t->neighbour[1];
- fallthrough;
- case 1:
- t->neighbour[1] = t->neighbour[2];
- break;
- case 2:
- break;
- }
+ memmove(&t->neighbour[i], &t->neighbour[i + 1],
+ sizeof(t->neighbour[0]) *
+ (t->count - i));
}
if (t->count <= 0)
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index d9ce273ba43d..222921b4751f 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -768,15 +768,12 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
{
- bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
const struct Qdisc_class_ops *cops;
unsigned long cl;
u32 parentid;
bool notify;
int drops;
- if (n == 0 && len == 0)
- return;
drops = max_t(int, n, 0);
rcu_read_lock();
while ((parentid = sch->parent)) {
@@ -785,17 +782,8 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
if (sch->flags & TCQ_F_NOPARENT)
break;
- /* Notify parent qdisc only if child qdisc becomes empty.
- *
- * If child was empty even before update then backlog
- * counter is screwed and we skip notification because
- * parent class is already passive.
- *
- * If the original child was offloaded then it is allowed
- * to be seem as empty, so the parent is notified anyway.
- */
- notify = !sch->q.qlen && !WARN_ON_ONCE(!n &&
- !qdisc_is_offloaded);
+ /* Notify parent qdisc only if child qdisc becomes empty. */
+ notify = !sch->q.qlen;
/* TODO: perform the search on a per txq basis */
sch = qdisc_lookup(qdisc_dev(sch), TC_H_MAJ(parentid));
if (sch == NULL) {
@@ -804,6 +792,9 @@ void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
}
cops = sch->ops->cl_ops;
if (notify && cops->qlen_notify) {
+ /* Note that qlen_notify must be idempotent as it may get called
+ * multiple times.
+ */
cl = cops->find(sch, parentid);
cops->qlen_notify(sch, cl);
}
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index eb916b2eb673..12c4a27e1655 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -516,6 +516,11 @@ static void unix_sock_destructor(struct sock *sk)
#endif
}
+static unsigned int unix_skb_len(const struct sk_buff *skb)
+{
+ return skb->len - UNIXCB(skb).consumed;
+}
+
static void unix_release_sock(struct sock *sk, int embrion)
{
struct unix_sock *u = unix_sk(sk);
@@ -552,10 +557,16 @@ static void unix_release_sock(struct sock *sk, int embrion)
if (skpair != NULL) {
if (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) {
+ struct sk_buff *skb = skb_peek(&sk->sk_receive_queue);
+
+#if IS_ENABLED(CONFIG_AF_UNIX_OOB)
+ if (skb && !unix_skb_len(skb))
+ skb = skb_peek_next(skb, &sk->sk_receive_queue);
+#endif
unix_state_lock(skpair);
/* No more writes */
WRITE_ONCE(skpair->sk_shutdown, SHUTDOWN_MASK);
- if (!skb_queue_empty_lockless(&sk->sk_receive_queue) || embrion)
+ if (skb || embrion)
WRITE_ONCE(skpair->sk_err, ECONNRESET);
unix_state_unlock(skpair);
skpair->sk_state_change(skpair);
@@ -2479,11 +2490,6 @@ static long unix_stream_data_wait(struct sock *sk, long timeo,
return timeo;
}
-static unsigned int unix_skb_len(const struct sk_buff *skb)
-{
- return skb->len - UNIXCB(skb).consumed;
-}
-
struct unix_stream_read_state {
int (*recv_actor)(struct sk_buff *, int, int,
struct unix_stream_read_state *);
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 94c1112f1c8c..6910b5ce9a18 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -119,6 +119,8 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
u16 proto,
struct vmci_handle handle)
{
+ memset(pkt, 0, sizeof(*pkt));
+
/* We register the stream control handler as an any cid handle so we
* must always send from a source address of VMADDR_CID_ANY
*/
@@ -131,8 +133,6 @@ vmci_transport_packet_init(struct vmci_transport_packet *pkt,
pkt->type = type;
pkt->src_port = src->svm_port;
pkt->dst_port = dst->svm_port;
- memset(&pkt->proto, 0, sizeof(pkt->proto));
- memset(&pkt->_reserved2, 0, sizeof(pkt->_reserved2));
switch (pkt->type) {
case VMCI_TRANSPORT_PACKET_TYPE_INVALID:
diff --git a/sound/isa/sb/sb16_main.c b/sound/isa/sb/sb16_main.c
index a9b87e159b2d..1497a7822eee 100644
--- a/sound/isa/sb/sb16_main.c
+++ b/sound/isa/sb/sb16_main.c
@@ -703,6 +703,9 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
unsigned char nval, oval;
int change;
+ if (chip->mode & (SB_MODE_PLAYBACK | SB_MODE_CAPTURE))
+ return -EBUSY;
+
nval = ucontrol->value.enumerated.item[0];
if (nval > 2)
return -EINVAL;
@@ -711,6 +714,10 @@ static int snd_sb16_dma_control_put(struct snd_kcontrol *kcontrol, struct snd_ct
change = nval != oval;
snd_sb16_set_dma_mode(chip, nval);
spin_unlock_irqrestore(&chip->reg_lock, flags);
+ if (change) {
+ snd_dma_disable(chip->dma8);
+ snd_dma_disable(chip->dma16);
+ }
return change;
}
diff --git a/sound/pci/hda/hda_bind.c b/sound/pci/hda/hda_bind.c
index 8e35009ec25c..a22f723ab3ab 100644
--- a/sound/pci/hda/hda_bind.c
+++ b/sound/pci/hda/hda_bind.c
@@ -45,7 +45,7 @@ static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev)
struct hda_codec *codec = container_of(dev, struct hda_codec, core);
/* ignore unsol events during shutdown */
- if (codec->bus->shutdown)
+ if (codec->card->shutdown || codec->bus->shutdown)
return;
/* ignore unsol events during system suspend/resume */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index cc8c066327b6..c69f4e5989d4 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2731,6 +2731,9 @@ static const struct pci_device_id azx_ids[] = {
{ PCI_DEVICE(0x1002, 0xab38),
.driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
AZX_DCAPS_PM_RUNTIME },
+ { PCI_VDEVICE(ATI, 0xab40),
+ .driver_data = AZX_DRIVER_ATIHDMI_NS | AZX_DCAPS_PRESET_ATI_HDMI_NS |
+ AZX_DCAPS_PM_RUNTIME },
/* GLENFLY */
{ PCI_DEVICE(PCI_VENDOR_ID_GLENFLY, PCI_ANY_ID),
.class = PCI_CLASS_MULTIMEDIA_HD_AUDIO << 8,
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 488fcdbb6a2d..f24a334316a2 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1877,6 +1877,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_DISABLE_AUTOSUSPEND),
DEVICE_FLG(0x17aa, 0x104d, /* Lenovo ThinkStation P620 Internal Speaker + Front Headset */
QUIRK_FLAG_DISABLE_AUTOSUSPEND),
+ DEVICE_FLG(0x17ef, 0x3083, /* Lenovo TBT3 dock */
+ QUIRK_FLAG_GET_SAMPLE_RATE),
DEVICE_FLG(0x1852, 0x5062, /* Luxman D-08u */
QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
DEVICE_FLG(0x1852, 0x5065, /* Luxman DA-06 */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index e14c725acebf..0f1558ef8555 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -982,6 +982,8 @@ snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip,
* and request Cluster Descriptor
*/
wLength = le16_to_cpu(hc_header.wLength);
+ if (wLength < sizeof(cluster))
+ return NULL;
cluster = kzalloc(wLength, GFP_KERNEL);
if (!cluster)
return ERR_PTR(-ENOMEM);
diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index c2bf996fcba8..d62b2d2e8aac 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -220,6 +220,9 @@ static void btf_dump_free_names(struct hashmap *map)
size_t bkt;
struct hashmap_entry *cur;
+ if (!map)
+ return;
+
hashmap__for_each_entry(map, cur, bkt)
free((void *)cur->key);
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