From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, jslaby@suse.cz,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: Linux 4.19.149
Date: Thu, 1 Oct 2020 17:35:44 +0200 [thread overview]
Message-ID: <1601566543167186@kroah.com> (raw)
In-Reply-To: <160156654325050@kroah.com>
diff --git a/Documentation/devicetree/bindings/sound/wm8994.txt b/Documentation/devicetree/bindings/sound/wm8994.txt
index 68cccc4653ba..367b58ce1bb9 100644
--- a/Documentation/devicetree/bindings/sound/wm8994.txt
+++ b/Documentation/devicetree/bindings/sound/wm8994.txt
@@ -14,9 +14,15 @@ Required properties:
- #gpio-cells : Must be 2. The first cell is the pin number and the
second cell is used to specify optional parameters (currently unused).
- - AVDD2-supply, DBVDD1-supply, DBVDD2-supply, DBVDD3-supply, CPVDD-supply,
- SPKVDD1-supply, SPKVDD2-supply : power supplies for the device, as covered
- in Documentation/devicetree/bindings/regulator/regulator.txt
+ - power supplies for the device, as covered in
+ Documentation/devicetree/bindings/regulator/regulator.txt, depending
+ on compatible:
+ - for wlf,wm1811 and wlf,wm8958:
+ AVDD1-supply, AVDD2-supply, DBVDD1-supply, DBVDD2-supply, DBVDD3-supply,
+ DCVDD-supply, CPVDD-supply, SPKVDD1-supply, SPKVDD2-supply
+ - for wlf,wm8994:
+ AVDD1-supply, AVDD2-supply, DBVDD-supply, DCVDD-supply, CPVDD-supply,
+ SPKVDD1-supply, SPKVDD2-supply
Optional properties:
@@ -73,11 +79,11 @@ wm8994: codec@1a {
lineout1-se;
+ AVDD1-supply = <®ulator>;
AVDD2-supply = <®ulator>;
CPVDD-supply = <®ulator>;
- DBVDD1-supply = <®ulator>;
- DBVDD2-supply = <®ulator>;
- DBVDD3-supply = <®ulator>;
+ DBVDD-supply = <®ulator>;
+ DCVDD-supply = <®ulator>;
SPKVDD1-supply = <®ulator>;
SPKVDD2-supply = <®ulator>;
};
diff --git a/Documentation/driver-api/libata.rst b/Documentation/driver-api/libata.rst
index 70e180e6b93d..9f3e5dc31184 100644
--- a/Documentation/driver-api/libata.rst
+++ b/Documentation/driver-api/libata.rst
@@ -250,7 +250,7 @@ High-level taskfile hooks
::
- void (*qc_prep) (struct ata_queued_cmd *qc);
+ enum ata_completion_errors (*qc_prep) (struct ata_queued_cmd *qc);
int (*qc_issue) (struct ata_queued_cmd *qc);
diff --git a/Makefile b/Makefile
index 3ffd5b03e6dd..3ff5cf33ef55 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 148
+SUBLEVEL = 149
EXTRAVERSION =
NAME = "People's Front"
diff --git a/arch/arm/include/asm/kvm_emulate.h b/arch/arm/include/asm/kvm_emulate.h
index 7d2ca035d6c8..11d4ff9f3e4d 100644
--- a/arch/arm/include/asm/kvm_emulate.h
+++ b/arch/arm/include/asm/kvm_emulate.h
@@ -216,7 +216,7 @@ static inline int kvm_vcpu_dabt_get_rd(struct kvm_vcpu *vcpu)
return (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
}
-static inline bool kvm_vcpu_dabt_iss1tw(struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & HSR_DABT_S1PTW;
}
@@ -248,16 +248,21 @@ static inline bool kvm_vcpu_trap_il_is32bit(struct kvm_vcpu *vcpu)
return kvm_vcpu_get_hsr(vcpu) & HSR_IL;
}
-static inline u8 kvm_vcpu_trap_get_class(struct kvm_vcpu *vcpu)
+static inline u8 kvm_vcpu_trap_get_class(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) >> HSR_EC_SHIFT;
}
-static inline bool kvm_vcpu_trap_is_iabt(struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_trap_get_class(vcpu) == HSR_EC_IABT;
}
+static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);
+}
+
static inline u8 kvm_vcpu_trap_get_fault(struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & HSR_FSC;
diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c
index a4d4a28fe07d..d23ab9ec130a 100644
--- a/arch/arm/kernel/stacktrace.c
+++ b/arch/arm/kernel/stacktrace.c
@@ -115,6 +115,8 @@ static int save_trace(struct stackframe *frame, void *d)
return 0;
regs = (struct pt_regs *)frame->sp;
+ if ((unsigned long)®s[1] > ALIGN(frame->sp, THREAD_SIZE))
+ return 0;
trace->entries[trace->nr_entries++] = regs->ARM_pc;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index badf02ca3693..aec533168f04 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -67,14 +67,16 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long);
void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame)
{
+ unsigned long end = frame + 4 + sizeof(struct pt_regs);
+
#ifdef CONFIG_KALLSYMS
printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from);
#else
printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from);
#endif
- if (in_entry_text(from))
- dump_mem("", "Exception stack", frame + 4, frame + 4 + sizeof(struct pt_regs));
+ if (in_entry_text(from) && end <= ALIGN(frame, THREAD_SIZE))
+ dump_mem("", "Exception stack", frame + 4, end);
}
void dump_backtrace_stm(u32 *stack, u32 instruction)
diff --git a/arch/arm64/include/asm/kvm_emulate.h b/arch/arm64/include/asm/kvm_emulate.h
index 778cb4f868d9..669c960dd069 100644
--- a/arch/arm64/include/asm/kvm_emulate.h
+++ b/arch/arm64/include/asm/kvm_emulate.h
@@ -303,7 +303,7 @@ static inline int kvm_vcpu_dabt_get_rd(const struct kvm_vcpu *vcpu)
return (kvm_vcpu_get_hsr(vcpu) & ESR_ELx_SRT_MASK) >> ESR_ELx_SRT_SHIFT;
}
-static inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu)
+static inline bool kvm_vcpu_abt_iss1tw(const struct kvm_vcpu *vcpu)
{
return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_S1PTW);
}
@@ -311,7 +311,7 @@ static inline bool kvm_vcpu_dabt_iss1tw(const struct kvm_vcpu *vcpu)
static inline bool kvm_vcpu_dabt_iswrite(const struct kvm_vcpu *vcpu)
{
return !!(kvm_vcpu_get_hsr(vcpu) & ESR_ELx_WNR) ||
- kvm_vcpu_dabt_iss1tw(vcpu); /* AF/DBM update */
+ kvm_vcpu_abt_iss1tw(vcpu); /* AF/DBM update */
}
static inline bool kvm_vcpu_dabt_is_cm(const struct kvm_vcpu *vcpu)
@@ -340,6 +340,11 @@ static inline bool kvm_vcpu_trap_is_iabt(const struct kvm_vcpu *vcpu)
return kvm_vcpu_trap_get_class(vcpu) == ESR_ELx_EC_IABT_LOW;
}
+static inline bool kvm_vcpu_trap_is_exec_fault(const struct kvm_vcpu *vcpu)
+{
+ return kvm_vcpu_trap_is_iabt(vcpu) && !kvm_vcpu_abt_iss1tw(vcpu);
+}
+
static inline u8 kvm_vcpu_trap_get_fault(const struct kvm_vcpu *vcpu)
{
return kvm_vcpu_get_hsr(vcpu) & ESR_ELx_FSC;
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index ac3126aba036..de6fa9b4abfa 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -155,11 +155,10 @@ static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = {
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_GIC_SHIFT, 4, 0),
S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_ASIMD_SHIFT, 4, ID_AA64PFR0_ASIMD_NI),
S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_FP_SHIFT, 4, ID_AA64PFR0_FP_NI),
- /* Linux doesn't care about the EL3 */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL3_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY),
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL2_SHIFT, 4, 0),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_SHIFT, 4, ID_AA64PFR0_EL1_64BIT_ONLY),
+ ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL0_SHIFT, 4, ID_AA64PFR0_EL0_64BIT_ONLY),
ARM64_FTR_END,
};
@@ -301,7 +300,7 @@ static const struct arm64_ftr_bits ftr_id_pfr0[] = {
};
static const struct arm64_ftr_bits ftr_id_dfr0[] = {
- ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 28, 4, 0),
+ /* [31:28] TraceFilt */
S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 24, 4, 0xf), /* PerfMon */
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 20, 4, 0),
ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 16, 4, 0),
@@ -671,9 +670,6 @@ void update_cpu_features(int cpu,
taint |= check_update_ftr_reg(SYS_ID_AA64MMFR2_EL1, cpu,
info->reg_id_aa64mmfr2, boot->reg_id_aa64mmfr2);
- /*
- * EL3 is not our concern.
- */
taint |= check_update_ftr_reg(SYS_ID_AA64PFR0_EL1, cpu,
info->reg_id_aa64pfr0, boot->reg_id_aa64pfr0);
taint |= check_update_ftr_reg(SYS_ID_AA64PFR1_EL1, cpu,
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index f146bff53edf..15312e429b7d 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -430,7 +430,7 @@ static bool __hyp_text fixup_guest_exit(struct kvm_vcpu *vcpu, u64 *exit_code)
kvm_vcpu_trap_get_fault_type(vcpu) == FSC_FAULT &&
kvm_vcpu_dabt_isvalid(vcpu) &&
!kvm_vcpu_dabt_isextabt(vcpu) &&
- !kvm_vcpu_dabt_iss1tw(vcpu);
+ !kvm_vcpu_abt_iss1tw(vcpu);
if (valid) {
int ret = __vgic_v2_perform_cpuif_access(vcpu);
diff --git a/arch/m68k/q40/config.c b/arch/m68k/q40/config.c
index 96810d91da2b..4a25ce6a1823 100644
--- a/arch/m68k/q40/config.c
+++ b/arch/m68k/q40/config.c
@@ -273,6 +273,7 @@ static int q40_get_rtc_pll(struct rtc_pll_info *pll)
{
int tmp = Q40_RTC_CTRL;
+ pll->pll_ctrl = 0;
pll->pll_value = tmp & Q40_RTC_PLL_MASK;
if (tmp & Q40_RTC_PLL_SIGN)
pll->pll_value = -pll->pll_value;
diff --git a/arch/mips/include/asm/cpu-type.h b/arch/mips/include/asm/cpu-type.h
index a45af3de075d..d43e4ab20b23 100644
--- a/arch/mips/include/asm/cpu-type.h
+++ b/arch/mips/include/asm/cpu-type.h
@@ -47,6 +47,7 @@ static inline int __pure __get_cpu_type(const int cpu_type)
case CPU_34K:
case CPU_1004K:
case CPU_74K:
+ case CPU_1074K:
case CPU_M14KC:
case CPU_M14KEC:
case CPU_INTERAPTIV:
diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h
index a790d5cf6ea3..684e8ae00d16 100644
--- a/arch/powerpc/include/asm/kvm_asm.h
+++ b/arch/powerpc/include/asm/kvm_asm.h
@@ -163,4 +163,7 @@
#define KVM_INST_FETCH_FAILED -1
+/* Extract PO and XOP opcode fields */
+#define PO_XOP_OPCODE_MASK 0xfc0007fe
+
#endif /* __POWERPC_KVM_ASM_H__ */
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index fe3c6f3bd3b6..d123cba0992d 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -502,7 +502,7 @@ int eeh_dev_check_failure(struct eeh_dev *edev)
rc = 1;
if (pe->state & EEH_PE_ISOLATED) {
pe->check_count++;
- if (pe->check_count % EEH_MAX_FAILS == 0) {
+ if (pe->check_count == EEH_MAX_FAILS) {
dn = pci_device_to_OF_node(dev);
if (dn)
location = of_get_property(dn, "ibm,loc-code",
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index d5f351f02c15..7781f0168ce8 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -430,11 +430,11 @@ void system_reset_exception(struct pt_regs *regs)
#ifdef CONFIG_PPC_BOOK3S_64
BUG_ON(get_paca()->in_nmi == 0);
if (get_paca()->in_nmi > 1)
- nmi_panic(regs, "Unrecoverable nested System Reset");
+ die("Unrecoverable nested System Reset", regs, SIGABRT);
#endif
/* Must die if the interrupt is not recoverable */
if (!(regs->msr & MSR_RI))
- nmi_panic(regs, "Unrecoverable System Reset");
+ die("Unrecoverable System Reset", regs, SIGABRT);
if (!nested)
nmi_exit();
@@ -775,7 +775,7 @@ void machine_check_exception(struct pt_regs *regs)
/* Must die if the interrupt is not recoverable */
if (!(regs->msr & MSR_RI))
- nmi_panic(regs, "Unrecoverable Machine check");
+ die("Unrecoverable Machine check", regs, SIGBUS);
return;
diff --git a/arch/powerpc/kvm/book3s_hv_tm.c b/arch/powerpc/kvm/book3s_hv_tm.c
index 31cd0f327c8a..e7fd60cf9780 100644
--- a/arch/powerpc/kvm/book3s_hv_tm.c
+++ b/arch/powerpc/kvm/book3s_hv_tm.c
@@ -6,6 +6,8 @@
* published by the Free Software Foundation.
*/
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
#include <linux/kvm_host.h>
#include <asm/kvm_ppc.h>
@@ -47,7 +49,18 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu)
u64 newmsr, bescr;
int ra, rs;
- switch (instr & 0xfc0007ff) {
+ /*
+ * rfid, rfebb, and mtmsrd encode bit 31 = 0 since it's a reserved bit
+ * in these instructions, so masking bit 31 out doesn't change these
+ * instructions. For treclaim., tsr., and trechkpt. instructions if bit
+ * 31 = 0 then they are per ISA invalid forms, however P9 UM, in section
+ * 4.6.10 Book II Invalid Forms, informs specifically that ignoring bit
+ * 31 is an acceptable way to handle these invalid forms that have
+ * bit 31 = 0. Moreover, for emulation purposes both forms (w/ and wo/
+ * bit 31 set) can generate a softpatch interrupt. Hence both forms
+ * are handled below for these instructions so they behave the same way.
+ */
+ switch (instr & PO_XOP_OPCODE_MASK) {
case PPC_INST_RFID:
/* XXX do we need to check for PR=0 here? */
newmsr = vcpu->arch.shregs.srr1;
@@ -108,7 +121,8 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu)
vcpu->arch.shregs.msr = newmsr;
return RESUME_GUEST;
- case PPC_INST_TSR:
+ /* ignore bit 31, see comment above */
+ case (PPC_INST_TSR & PO_XOP_OPCODE_MASK):
/* check for PR=1 and arch 2.06 bit set in PCR */
if ((msr & MSR_PR) && (vcpu->arch.vcore->pcr & PCR_ARCH_206)) {
/* generate an illegal instruction interrupt */
@@ -143,7 +157,8 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu)
vcpu->arch.shregs.msr = msr;
return RESUME_GUEST;
- case PPC_INST_TRECLAIM:
+ /* ignore bit 31, see comment above */
+ case (PPC_INST_TRECLAIM & PO_XOP_OPCODE_MASK):
/* check for TM disabled in the HFSCR or MSR */
if (!(vcpu->arch.hfscr & HFSCR_TM)) {
/* generate an illegal instruction interrupt */
@@ -179,7 +194,8 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu)
vcpu->arch.shregs.msr &= ~MSR_TS_MASK;
return RESUME_GUEST;
- case PPC_INST_TRECHKPT:
+ /* ignore bit 31, see comment above */
+ case (PPC_INST_TRECHKPT & PO_XOP_OPCODE_MASK):
/* XXX do we need to check for PR=0 here? */
/* check for TM disabled in the HFSCR or MSR */
if (!(vcpu->arch.hfscr & HFSCR_TM)) {
@@ -211,6 +227,8 @@ int kvmhv_p9_tm_emulation(struct kvm_vcpu *vcpu)
}
/* What should we do here? We didn't recognize the instruction */
- WARN_ON_ONCE(1);
+ kvmppc_core_queue_program(vcpu, SRR1_PROGILL);
+ pr_warn_ratelimited("Unrecognized TM-related instruction %#x for emulation", instr);
+
return RESUME_GUEST;
}
diff --git a/arch/powerpc/kvm/book3s_hv_tm_builtin.c b/arch/powerpc/kvm/book3s_hv_tm_builtin.c
index 3cf5863bc06e..3c7ca2fa1959 100644
--- a/arch/powerpc/kvm/book3s_hv_tm_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_tm_builtin.c
@@ -26,7 +26,18 @@ int kvmhv_p9_tm_emulation_early(struct kvm_vcpu *vcpu)
u64 newmsr, msr, bescr;
int rs;
- switch (instr & 0xfc0007ff) {
+ /*
+ * rfid, rfebb, and mtmsrd encode bit 31 = 0 since it's a reserved bit
+ * in these instructions, so masking bit 31 out doesn't change these
+ * instructions. For the tsr. instruction if bit 31 = 0 then it is per
+ * ISA an invalid form, however P9 UM, in section 4.6.10 Book II Invalid
+ * Forms, informs specifically that ignoring bit 31 is an acceptable way
+ * to handle TM-related invalid forms that have bit 31 = 0. Moreover,
+ * for emulation purposes both forms (w/ and wo/ bit 31 set) can
+ * generate a softpatch interrupt. Hence both forms are handled below
+ * for tsr. to make them behave the same way.
+ */
+ switch (instr & PO_XOP_OPCODE_MASK) {
case PPC_INST_RFID:
/* XXX do we need to check for PR=0 here? */
newmsr = vcpu->arch.shregs.srr1;
@@ -76,7 +87,8 @@ int kvmhv_p9_tm_emulation_early(struct kvm_vcpu *vcpu)
vcpu->arch.shregs.msr = newmsr;
return 1;
- case PPC_INST_TSR:
+ /* ignore bit 31, see comment above */
+ case (PPC_INST_TSR & PO_XOP_OPCODE_MASK):
/* we know the MSR has the TS field = S (0b01) here */
msr = vcpu->arch.shregs.msr;
/* check for PR=1 and arch 2.06 bit set in PCR */
diff --git a/arch/riscv/include/asm/ftrace.h b/arch/riscv/include/asm/ftrace.h
index c6dcc5291f97..02fbc175142e 100644
--- a/arch/riscv/include/asm/ftrace.h
+++ b/arch/riscv/include/asm/ftrace.h
@@ -63,4 +63,11 @@ do { \
* Let auipc+jalr be the basic *mcount unit*, so we make it 8 bytes here.
*/
#define MCOUNT_INSN_SIZE 8
+
+#ifndef __ASSEMBLY__
+struct dyn_ftrace;
+int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec);
+#define ftrace_init_nop ftrace_init_nop
+#endif
+
#endif
diff --git a/arch/riscv/kernel/ftrace.c b/arch/riscv/kernel/ftrace.c
index 6d39f64e4dce..fa8530f05ed4 100644
--- a/arch/riscv/kernel/ftrace.c
+++ b/arch/riscv/kernel/ftrace.c
@@ -88,6 +88,25 @@ int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec,
return __ftrace_modify_call(rec->ip, addr, false);
}
+
+/*
+ * This is called early on, and isn't wrapped by
+ * ftrace_arch_code_modify_{prepare,post_process}() and therefor doesn't hold
+ * text_mutex, which triggers a lockdep failure. SMP isn't running so we could
+ * just directly poke the text, but it's simpler to just take the lock
+ * ourselves.
+ */
+int ftrace_init_nop(struct module *mod, struct dyn_ftrace *rec)
+{
+ int out;
+
+ ftrace_arch_code_modify_prepare();
+ out = ftrace_make_nop(mod, rec, MCOUNT_ADDR);
+ ftrace_arch_code_modify_post_process();
+
+ return out;
+}
+
int ftrace_update_ftrace_func(ftrace_func_t func)
{
int ret = __ftrace_modify_call((unsigned long)&ftrace_call,
diff --git a/arch/s390/kernel/perf_cpum_sf.c b/arch/s390/kernel/perf_cpum_sf.c
index 74a296cea21c..0e6d01225a67 100644
--- a/arch/s390/kernel/perf_cpum_sf.c
+++ b/arch/s390/kernel/perf_cpum_sf.c
@@ -1377,8 +1377,8 @@ static int aux_output_begin(struct perf_output_handle *handle,
idx = aux->empty_mark + 1;
for (i = 0; i < range_scan; i++, idx++) {
te = aux_sdb_trailer(aux, idx);
- te->flags = te->flags & ~SDB_TE_BUFFER_FULL_MASK;
- te->flags = te->flags & ~SDB_TE_ALERT_REQ_MASK;
+ te->flags &= ~(SDB_TE_BUFFER_FULL_MASK |
+ SDB_TE_ALERT_REQ_MASK);
te->overflow = 0;
}
/* Save the position of empty SDBs */
@@ -1425,8 +1425,7 @@ static bool aux_set_alert(struct aux_buffer *aux, unsigned long alert_index,
te = aux_sdb_trailer(aux, alert_index);
do {
orig_flags = te->flags;
- orig_overflow = te->overflow;
- *overflow = orig_overflow;
+ *overflow = orig_overflow = te->overflow;
if (orig_flags & SDB_TE_BUFFER_FULL_MASK) {
/*
* SDB is already set by hardware.
@@ -1660,7 +1659,7 @@ static void *aux_buffer_setup(struct perf_event *event, void **pages,
}
/* Allocate aux_buffer struct for the event */
- aux = kmalloc(sizeof(struct aux_buffer), GFP_KERNEL);
+ aux = kzalloc(sizeof(struct aux_buffer), GFP_KERNEL);
if (!aux)
goto no_aux;
sfb = &aux->sfb;
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5f85e0dfa66d..4bda9055daef 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -537,7 +537,7 @@ static struct notifier_block kdump_mem_nb = {
/*
* Make sure that the area behind memory_end is protected
*/
-static void reserve_memory_end(void)
+static void __init reserve_memory_end(void)
{
#ifdef CONFIG_CRASH_DUMP
if (ipl_info.type == IPL_TYPE_FCP_DUMP &&
@@ -555,7 +555,7 @@ static void reserve_memory_end(void)
/*
* Make sure that oldmem, where the dump is stored, is protected
*/
-static void reserve_oldmem(void)
+static void __init reserve_oldmem(void)
{
#ifdef CONFIG_CRASH_DUMP
if (OLDMEM_BASE)
@@ -567,7 +567,7 @@ static void reserve_oldmem(void)
/*
* Make sure that oldmem, where the dump is stored, is protected
*/
-static void remove_oldmem(void)
+static void __init remove_oldmem(void)
{
#ifdef CONFIG_CRASH_DUMP
if (OLDMEM_BASE)
diff --git a/arch/x86/include/asm/nospec-branch.h b/arch/x86/include/asm/nospec-branch.h
index e3f70c60e8cc..62f9903544b5 100644
--- a/arch/x86/include/asm/nospec-branch.h
+++ b/arch/x86/include/asm/nospec-branch.h
@@ -330,7 +330,7 @@ DECLARE_STATIC_KEY_FALSE(mds_idle_clear);
* combination with microcode which triggers a CPU buffer flush when the
* instruction is executed.
*/
-static inline void mds_clear_cpu_buffers(void)
+static __always_inline void mds_clear_cpu_buffers(void)
{
static const u16 ds = __KERNEL_DS;
@@ -351,7 +351,7 @@ static inline void mds_clear_cpu_buffers(void)
*
* Clear CPU buffers if the corresponding static key is enabled
*/
-static inline void mds_user_clear_cpu_buffers(void)
+static __always_inline void mds_user_clear_cpu_buffers(void)
{
if (static_branch_likely(&mds_user_clear))
mds_clear_cpu_buffers();
diff --git a/arch/x86/include/asm/pkeys.h b/arch/x86/include/asm/pkeys.h
index 19b137f1b3be..2ff9b98812b7 100644
--- a/arch/x86/include/asm/pkeys.h
+++ b/arch/x86/include/asm/pkeys.h
@@ -4,6 +4,11 @@
#define ARCH_DEFAULT_PKEY 0
+/*
+ * If more than 16 keys are ever supported, a thorough audit
+ * will be necessary to ensure that the types that store key
+ * numbers and masks have sufficient capacity.
+ */
#define arch_max_pkey() (boot_cpu_has(X86_FEATURE_OSPKE) ? 16 : 1)
extern int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 95e21c438012..15234885e60b 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -2250,6 +2250,7 @@ static inline void __init check_timer(void)
legacy_pic->init(0);
legacy_pic->make_irq(0);
apic_write(APIC_LVT0, APIC_DM_EXTINT);
+ legacy_pic->unmask(0);
unlock_ExtINT_logic();
diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 4b900035f220..601a5da1d196 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -907,8 +907,6 @@ const void *get_xsave_field_ptr(int xsave_state)
#ifdef CONFIG_ARCH_HAS_PKEYS
-#define NR_VALID_PKRU_BITS (CONFIG_NR_PROTECTION_KEYS * 2)
-#define PKRU_VALID_MASK (NR_VALID_PKRU_BITS - 1)
/*
* This will go out and modify PKRU register to set the access
* rights for @pkey to @init_val.
@@ -927,6 +925,13 @@ int arch_set_user_pkey_access(struct task_struct *tsk, int pkey,
if (!boot_cpu_has(X86_FEATURE_OSPKE))
return -EINVAL;
+ /*
+ * This code should only be called with valid 'pkey'
+ * values originating from in-kernel users. Complain
+ * if a bad value is observed.
+ */
+ WARN_ON_ONCE(pkey >= arch_max_pkey());
+
/* Set the bits we need in PKRU: */
if (init_val & PKEY_DISABLE_ACCESS)
new_pkru_bits |= PKRU_AD_BIT;
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h
index cb41b036eb26..7e0dc8c7da2c 100644
--- a/arch/x86/kvm/mmutrace.h
+++ b/arch/x86/kvm/mmutrace.h
@@ -339,7 +339,7 @@ TRACE_EVENT(
/* These depend on page entry type, so compute them now. */
__field(bool, r)
__field(bool, x)
- __field(u8, u)
+ __field(signed char, u)
),
TP_fast_assign(
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2aafb6c79134..cb09a0ec8750 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3942,6 +3942,12 @@ static int iret_interception(struct vcpu_svm *svm)
return 1;
}
+static int invd_interception(struct vcpu_svm *svm)
+{
+ /* Treat an INVD instruction as a NOP and just skip it. */
+ return kvm_skip_emulated_instruction(&svm->vcpu);
+}
+
static int invlpg_interception(struct vcpu_svm *svm)
{
if (!static_cpu_has(X86_FEATURE_DECODEASSISTS))
@@ -4831,7 +4837,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_RDPMC] = rdpmc_interception,
[SVM_EXIT_CPUID] = cpuid_interception,
[SVM_EXIT_IRET] = iret_interception,
- [SVM_EXIT_INVD] = emulate_on_interception,
+ [SVM_EXIT_INVD] = invd_interception,
[SVM_EXIT_PAUSE] = pause_interception,
[SVM_EXIT_HLT] = halt_interception,
[SVM_EXIT_INVLPG] = invlpg_interception,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 430a4bc66f60..dd182228be71 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -858,6 +858,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
unsigned long old_cr4 = kvm_read_cr4(vcpu);
unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE |
X86_CR4_SMEP;
+ unsigned long mmu_role_bits = pdptr_bits | X86_CR4_SMAP | X86_CR4_PKE;
if (kvm_valid_cr4(vcpu, cr4))
return 1;
@@ -885,7 +886,7 @@ int kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
if (kvm_x86_ops->set_cr4(vcpu, cr4))
return 1;
- if (((cr4 ^ old_cr4) & pdptr_bits) ||
+ if (((cr4 ^ old_cr4) & mmu_role_bits) ||
(!(cr4 & X86_CR4_PCIDE) && (old_cr4 & X86_CR4_PCIDE)))
kvm_mmu_reset_context(vcpu);
@@ -4668,10 +4669,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EFAULT;
if (copy_from_user(&u.ps, argp, sizeof u.ps))
goto out;
+ mutex_lock(&kvm->lock);
r = -ENXIO;
if (!kvm->arch.vpit)
- goto out;
+ goto set_pit_out;
r = kvm_vm_ioctl_set_pit(kvm, &u.ps);
+set_pit_out:
+ mutex_unlock(&kvm->lock);
break;
}
case KVM_GET_PIT2: {
@@ -4691,10 +4695,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
r = -EFAULT;
if (copy_from_user(&u.ps2, argp, sizeof(u.ps2)))
goto out;
+ mutex_lock(&kvm->lock);
r = -ENXIO;
if (!kvm->arch.vpit)
- goto out;
+ goto set_pit2_out;
r = kvm_vm_ioctl_set_pit2(kvm, &u.ps2);
+set_pit2_out:
+ mutex_unlock(&kvm->lock);
break;
}
case KVM_REINJECT_CONTROL: {
diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c
index 7077b3e28241..40dbbd8f1fe4 100644
--- a/arch/x86/lib/usercopy_64.c
+++ b/arch/x86/lib/usercopy_64.c
@@ -139,7 +139,7 @@ long __copy_user_flushcache(void *dst, const void __user *src, unsigned size)
*/
if (size < 8) {
if (!IS_ALIGNED(dest, 4) || size != 4)
- clean_cache_range(dst, 1);
+ clean_cache_range(dst, size);
} else {
if (!IS_ALIGNED(dest, 8)) {
dest = ALIGN(dest, boot_cpu_data.x86_clflush_size);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 49e16f009095..9415a0041aaf 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1080,29 +1080,21 @@ void acpi_ec_dispatch_gpe(void)
/* --------------------------------------------------------------------------
Event Management
-------------------------------------------------------------------------- */
-static struct acpi_ec_query_handler *
-acpi_ec_get_query_handler(struct acpi_ec_query_handler *handler)
-{
- if (handler)
- kref_get(&handler->kref);
- return handler;
-}
-
static struct acpi_ec_query_handler *
acpi_ec_get_query_handler_by_value(struct acpi_ec *ec, u8 value)
{
struct acpi_ec_query_handler *handler;
- bool found = false;
mutex_lock(&ec->mutex);
list_for_each_entry(handler, &ec->list, node) {
if (value == handler->query_bit) {
- found = true;
- break;
+ kref_get(&handler->kref);
+ mutex_unlock(&ec->mutex);
+ return handler;
}
}
mutex_unlock(&ec->mutex);
- return found ? acpi_ec_get_query_handler(handler) : NULL;
+ return NULL;
}
static void acpi_ec_query_handler_release(struct kref *kref)
diff --git a/drivers/ata/acard-ahci.c b/drivers/ata/acard-ahci.c
index 583e366be7e2..505f8c316818 100644
--- a/drivers/ata/acard-ahci.c
+++ b/drivers/ata/acard-ahci.c
@@ -72,7 +72,7 @@ struct acard_sg {
__le32 size; /* bit 31 (EOT) max==0x10000 (64k) */
};
-static void acard_ahci_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc);
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int acard_ahci_port_start(struct ata_port *ap);
static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
@@ -257,7 +257,7 @@ static unsigned int acard_ahci_fill_sg(struct ata_queued_cmd *qc, void *cmd_tbl)
return si;
}
-static void acard_ahci_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors acard_ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
@@ -295,6 +295,8 @@ static void acard_ahci_qc_prep(struct ata_queued_cmd *qc)
opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
ahci_fill_cmd_slot(pp, qc->hw_tag, opts);
+
+ return AC_ERR_OK;
}
static bool acard_ahci_qc_fill_rtf(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 2bdb250a2142..f1153e7ba3b3 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -73,7 +73,7 @@ static int ahci_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static bool ahci_qc_fill_rtf(struct ata_queued_cmd *qc);
static int ahci_port_start(struct ata_port *ap);
static void ahci_port_stop(struct ata_port *ap);
-static void ahci_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc);
static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc);
static void ahci_freeze(struct ata_port *ap);
static void ahci_thaw(struct ata_port *ap);
@@ -1640,7 +1640,7 @@ static int ahci_pmp_qc_defer(struct ata_queued_cmd *qc)
return sata_pmp_qc_defer_cmd_switch(qc);
}
-static void ahci_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors ahci_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct ahci_port_priv *pp = ap->private_data;
@@ -1676,6 +1676,8 @@ static void ahci_qc_prep(struct ata_queued_cmd *qc)
opts |= AHCI_CMD_ATAPI | AHCI_CMD_PREFETCH;
ahci_fill_cmd_slot(pp, qc->hw_tag, opts);
+
+ return AC_ERR_OK;
}
static void ahci_fbs_dec_intr(struct ata_port *ap)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index fead7243930c..db1d86af21b4 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4996,7 +4996,10 @@ int ata_std_qc_defer(struct ata_queued_cmd *qc)
return ATA_DEFER_LINK;
}
-void ata_noop_qc_prep(struct ata_queued_cmd *qc) { }
+enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc)
+{
+ return AC_ERR_OK;
+}
/**
* ata_sg_init - Associate command with scatter-gather table.
@@ -5483,7 +5486,9 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
return;
}
- ap->ops->qc_prep(qc);
+ qc->err_mask |= ap->ops->qc_prep(qc);
+ if (unlikely(qc->err_mask))
+ goto err;
trace_ata_qc_issue(qc);
qc->err_mask |= ap->ops->qc_issue(qc);
if (unlikely(qc->err_mask))
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 873cc0906055..7484ffdabd54 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -2695,12 +2695,14 @@ static void ata_bmdma_fill_sg_dumb(struct ata_queued_cmd *qc)
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-void ata_bmdma_qc_prep(struct ata_queued_cmd *qc)
+enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
ata_bmdma_fill_sg(qc);
+
+ return AC_ERR_OK;
}
EXPORT_SYMBOL_GPL(ata_bmdma_qc_prep);
@@ -2713,12 +2715,14 @@ EXPORT_SYMBOL_GPL(ata_bmdma_qc_prep);
* LOCKING:
* spin_lock_irqsave(host lock)
*/
-void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc)
+enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
ata_bmdma_fill_sg_dumb(qc);
+
+ return AC_ERR_OK;
}
EXPORT_SYMBOL_GPL(ata_bmdma_dumb_qc_prep);
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 9588e685d994..765b99319d3c 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -507,7 +507,7 @@ static int pata_macio_cable_detect(struct ata_port *ap)
return ATA_CBL_PATA40;
}
-static void pata_macio_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pata_macio_qc_prep(struct ata_queued_cmd *qc)
{
unsigned int write = (qc->tf.flags & ATA_TFLAG_WRITE);
struct ata_port *ap = qc->ap;
@@ -520,7 +520,7 @@ static void pata_macio_qc_prep(struct ata_queued_cmd *qc)
__func__, qc, qc->flags, write, qc->dev->devno);
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
table = (struct dbdma_cmd *) priv->dma_table_cpu;
@@ -565,6 +565,8 @@ static void pata_macio_qc_prep(struct ata_queued_cmd *qc)
table->command = cpu_to_le16(DBDMA_STOP);
dev_dbgdma(priv->dev, "%s: %d DMA list entries\n", __func__, pi);
+
+ return AC_ERR_OK;
}
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
index e8b6a2e464c9..5b1458ca986b 100644
--- a/drivers/ata/pata_pxa.c
+++ b/drivers/ata/pata_pxa.c
@@ -58,25 +58,27 @@ static void pxa_ata_dma_irq(void *d)
/*
* Prepare taskfile for submission.
*/
-static void pxa_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pxa_qc_prep(struct ata_queued_cmd *qc)
{
struct pata_pxa_data *pd = qc->ap->private_data;
struct dma_async_tx_descriptor *tx;
enum dma_transfer_direction dir;
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
dir = (qc->dma_dir == DMA_TO_DEVICE ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM);
tx = dmaengine_prep_slave_sg(pd->dma_chan, qc->sg, qc->n_elem, dir,
DMA_PREP_INTERRUPT);
if (!tx) {
ata_dev_err(qc->dev, "prep_slave_sg() failed\n");
- return;
+ return AC_ERR_OK;
}
tx->callback = pxa_ata_dma_irq;
tx->callback_param = pd;
pd->dma_cookie = dmaengine_submit(tx);
+
+ return AC_ERR_OK;
}
/*
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index f1e873a37465..096b4771b19d 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -132,7 +132,7 @@ static int adma_ata_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent);
static int adma_port_start(struct ata_port *ap);
static void adma_port_stop(struct ata_port *ap);
-static void adma_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int adma_qc_issue(struct ata_queued_cmd *qc);
static int adma_check_atapi_dma(struct ata_queued_cmd *qc);
static void adma_freeze(struct ata_port *ap);
@@ -311,7 +311,7 @@ static int adma_fill_sg(struct ata_queued_cmd *qc)
return i;
}
-static void adma_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors adma_qc_prep(struct ata_queued_cmd *qc)
{
struct adma_port_priv *pp = qc->ap->private_data;
u8 *buf = pp->pkt;
@@ -322,7 +322,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc)
adma_enter_reg_mode(qc->ap);
if (qc->tf.protocol != ATA_PROT_DMA)
- return;
+ return AC_ERR_OK;
buf[i++] = 0; /* Response flags */
buf[i++] = 0; /* reserved */
@@ -387,6 +387,7 @@ static void adma_qc_prep(struct ata_queued_cmd *qc)
printk("%s\n", obuf);
}
#endif
+ return AC_ERR_OK;
}
static inline void adma_packet_start(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index ae52a45fab5f..8b3be0ff91cb 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -507,7 +507,7 @@ static unsigned int sata_fsl_fill_sg(struct ata_queued_cmd *qc, void *cmd_desc,
return num_prde;
}
-static void sata_fsl_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sata_fsl_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct sata_fsl_port_priv *pp = ap->private_data;
@@ -553,6 +553,8 @@ static void sata_fsl_qc_prep(struct ata_queued_cmd *qc)
VPRINTK("SATA FSL : xx_qc_prep, di = 0x%x, ttl = %d, num_prde = %d\n",
desc_info, ttl_dwords, num_prde);
+
+ return AC_ERR_OK;
}
static unsigned int sata_fsl_qc_issue(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c
index 9b6d7930d1c7..6c7ddc037fce 100644
--- a/drivers/ata/sata_inic162x.c
+++ b/drivers/ata/sata_inic162x.c
@@ -472,7 +472,7 @@ static void inic_fill_sg(struct inic_prd *prd, struct ata_queued_cmd *qc)
prd[-1].flags |= PRD_END;
}
-static void inic_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors inic_qc_prep(struct ata_queued_cmd *qc)
{
struct inic_port_priv *pp = qc->ap->private_data;
struct inic_pkt *pkt = pp->pkt;
@@ -532,6 +532,8 @@ static void inic_qc_prep(struct ata_queued_cmd *qc)
inic_fill_sg(prd, qc);
pp->cpb_tbl[0] = pp->pkt_dma;
+
+ return AC_ERR_OK;
}
static unsigned int inic_qc_issue(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index ab2e9f62ddc1..2910b22fac11 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -605,8 +605,8 @@ static int mv5_scr_write(struct ata_link *link, unsigned int sc_reg_in, u32 val)
static int mv_port_start(struct ata_port *ap);
static void mv_port_stop(struct ata_port *ap);
static int mv_qc_defer(struct ata_queued_cmd *qc);
-static void mv_qc_prep(struct ata_queued_cmd *qc);
-static void mv_qc_prep_iie(struct ata_queued_cmd *qc);
+static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc);
static unsigned int mv_qc_issue(struct ata_queued_cmd *qc);
static int mv_hardreset(struct ata_link *link, unsigned int *class,
unsigned long deadline);
@@ -2044,7 +2044,7 @@ static void mv_rw_multi_errata_sata24(struct ata_queued_cmd *qc)
* LOCKING:
* Inherited from caller.
*/
-static void mv_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors mv_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct mv_port_priv *pp = ap->private_data;
@@ -2056,15 +2056,15 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
switch (tf->protocol) {
case ATA_PROT_DMA:
if (tf->command == ATA_CMD_DSM)
- return;
+ return AC_ERR_OK;
/* fall-thru */
case ATA_PROT_NCQ:
break; /* continue below */
case ATA_PROT_PIO:
mv_rw_multi_errata_sata24(qc);
- return;
+ return AC_ERR_OK;
default:
- return;
+ return AC_ERR_OK;
}
/* Fill in command request block
@@ -2111,12 +2111,10 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
* non-NCQ mode are: [RW] STREAM DMA and W DMA FUA EXT, none
* of which are defined/used by Linux. If we get here, this
* driver needs work.
- *
- * FIXME: modify libata to give qc_prep a return value and
- * return error here.
*/
- BUG_ON(tf->command);
- break;
+ ata_port_err(ap, "%s: unsupported command: %.2x\n", __func__,
+ tf->command);
+ return AC_ERR_INVALID;
}
mv_crqb_pack_cmd(cw++, tf->nsect, ATA_REG_NSECT, 0);
mv_crqb_pack_cmd(cw++, tf->hob_lbal, ATA_REG_LBAL, 0);
@@ -2129,8 +2127,10 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
mv_crqb_pack_cmd(cw++, tf->command, ATA_REG_CMD, 1); /* last */
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
mv_fill_sg(qc);
+
+ return AC_ERR_OK;
}
/**
@@ -2145,7 +2145,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
* LOCKING:
* Inherited from caller.
*/
-static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
+static enum ata_completion_errors mv_qc_prep_iie(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct mv_port_priv *pp = ap->private_data;
@@ -2156,9 +2156,9 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
if ((tf->protocol != ATA_PROT_DMA) &&
(tf->protocol != ATA_PROT_NCQ))
- return;
+ return AC_ERR_OK;
if (tf->command == ATA_CMD_DSM)
- return; /* use bmdma for this */
+ return AC_ERR_OK; /* use bmdma for this */
/* Fill in Gen IIE command request block */
if (!(tf->flags & ATA_TFLAG_WRITE))
@@ -2199,8 +2199,10 @@ static void mv_qc_prep_iie(struct ata_queued_cmd *qc)
);
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
mv_fill_sg(qc);
+
+ return AC_ERR_OK;
}
/**
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 761577d57ff3..798d549435cc 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -313,7 +313,7 @@ static void nv_ck804_freeze(struct ata_port *ap);
static void nv_ck804_thaw(struct ata_port *ap);
static int nv_adma_slave_config(struct scsi_device *sdev);
static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc);
-static void nv_adma_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc);
static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc);
static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance);
static void nv_adma_irq_clear(struct ata_port *ap);
@@ -335,7 +335,7 @@ static void nv_mcp55_freeze(struct ata_port *ap);
static void nv_swncq_error_handler(struct ata_port *ap);
static int nv_swncq_slave_config(struct scsi_device *sdev);
static int nv_swncq_port_start(struct ata_port *ap);
-static void nv_swncq_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc);
static void nv_swncq_fill_sg(struct ata_queued_cmd *qc);
static unsigned int nv_swncq_qc_issue(struct ata_queued_cmd *qc);
static void nv_swncq_irq_clear(struct ata_port *ap, u16 fis);
@@ -1365,7 +1365,7 @@ static int nv_adma_use_reg_mode(struct ata_queued_cmd *qc)
return 1;
}
-static void nv_adma_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors nv_adma_qc_prep(struct ata_queued_cmd *qc)
{
struct nv_adma_port_priv *pp = qc->ap->private_data;
struct nv_adma_cpb *cpb = &pp->cpb[qc->hw_tag];
@@ -1377,7 +1377,7 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc)
(qc->flags & ATA_QCFLAG_DMAMAP));
nv_adma_register_mode(qc->ap);
ata_bmdma_qc_prep(qc);
- return;
+ return AC_ERR_OK;
}
cpb->resp_flags = NV_CPB_RESP_DONE;
@@ -1409,6 +1409,8 @@ static void nv_adma_qc_prep(struct ata_queued_cmd *qc)
cpb->ctl_flags = ctl_flags;
wmb();
cpb->resp_flags = 0;
+
+ return AC_ERR_OK;
}
static unsigned int nv_adma_qc_issue(struct ata_queued_cmd *qc)
@@ -1972,17 +1974,19 @@ static int nv_swncq_port_start(struct ata_port *ap)
return 0;
}
-static void nv_swncq_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors nv_swncq_qc_prep(struct ata_queued_cmd *qc)
{
if (qc->tf.protocol != ATA_PROT_NCQ) {
ata_bmdma_qc_prep(qc);
- return;
+ return AC_ERR_OK;
}
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
nv_swncq_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static void nv_swncq_fill_sg(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index d032bf657f70..29d2bb465f60 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -155,7 +155,7 @@ static int pdc_sata_scr_write(struct ata_link *link, unsigned int sc_reg, u32 va
static int pdc_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int pdc_common_port_start(struct ata_port *ap);
static int pdc_sata_port_start(struct ata_port *ap);
-static void pdc_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
@@ -649,7 +649,7 @@ static void pdc_fill_sg(struct ata_queued_cmd *qc)
prd[idx - 1].flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
-static void pdc_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc)
{
struct pdc_port_priv *pp = qc->ap->private_data;
unsigned int i;
@@ -681,6 +681,8 @@ static void pdc_qc_prep(struct ata_queued_cmd *qc)
default:
break;
}
+
+ return AC_ERR_OK;
}
static int pdc_is_sataii_tx4(unsigned long flags)
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 1fe941688e95..a66d10628c18 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -116,7 +116,7 @@ static int qs_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static int qs_ata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent);
static int qs_port_start(struct ata_port *ap);
static void qs_host_stop(struct ata_host *host);
-static void qs_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc);
static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
static void qs_freeze(struct ata_port *ap);
@@ -276,7 +276,7 @@ static unsigned int qs_fill_sg(struct ata_queued_cmd *qc)
return si;
}
-static void qs_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors qs_qc_prep(struct ata_queued_cmd *qc)
{
struct qs_port_priv *pp = qc->ap->private_data;
u8 dflags = QS_DF_PORD, *buf = pp->pkt;
@@ -288,7 +288,7 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
qs_enter_reg_mode(qc->ap);
if (qc->tf.protocol != ATA_PROT_DMA)
- return;
+ return AC_ERR_OK;
nelem = qs_fill_sg(qc);
@@ -311,6 +311,8 @@ static void qs_qc_prep(struct ata_queued_cmd *qc)
/* frame information structure (FIS) */
ata_tf_to_fis(&qc->tf, 0, 1, &buf[32]);
+
+ return AC_ERR_OK;
}
static inline void qs_packet_start(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_rcar.c b/drivers/ata/sata_rcar.c
index 50ebd779d975..8323f88d17a5 100644
--- a/drivers/ata/sata_rcar.c
+++ b/drivers/ata/sata_rcar.c
@@ -554,12 +554,14 @@ static void sata_rcar_bmdma_fill_sg(struct ata_queued_cmd *qc)
prd[si - 1].addr |= cpu_to_le32(SATA_RCAR_DTEND);
}
-static void sata_rcar_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sata_rcar_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
sata_rcar_bmdma_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static void sata_rcar_bmdma_setup(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index ed76f070d21e..82adaf02887f 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -119,7 +119,7 @@ static void sil_dev_config(struct ata_device *dev);
static int sil_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val);
static int sil_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val);
static int sil_set_mode(struct ata_link *link, struct ata_device **r_failed);
-static void sil_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc);
static void sil_bmdma_setup(struct ata_queued_cmd *qc);
static void sil_bmdma_start(struct ata_queued_cmd *qc);
static void sil_bmdma_stop(struct ata_queued_cmd *qc);
@@ -333,12 +333,14 @@ static void sil_fill_sg(struct ata_queued_cmd *qc)
last_prd->flags_len |= cpu_to_le32(ATA_PRD_EOT);
}
-static void sil_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sil_qc_prep(struct ata_queued_cmd *qc)
{
if (!(qc->flags & ATA_QCFLAG_DMAMAP))
- return;
+ return AC_ERR_OK;
sil_fill_sg(qc);
+
+ return AC_ERR_OK;
}
static unsigned char sil_get_device_cache_line(struct pci_dev *pdev)
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index 319f517137cd..7a8ca81e52bf 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -336,7 +336,7 @@ static void sil24_dev_config(struct ata_device *dev);
static int sil24_scr_read(struct ata_link *link, unsigned sc_reg, u32 *val);
static int sil24_scr_write(struct ata_link *link, unsigned sc_reg, u32 val);
static int sil24_qc_defer(struct ata_queued_cmd *qc);
-static void sil24_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc);
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc);
static bool sil24_qc_fill_rtf(struct ata_queued_cmd *qc);
static void sil24_pmp_attach(struct ata_port *ap);
@@ -840,7 +840,7 @@ static int sil24_qc_defer(struct ata_queued_cmd *qc)
return ata_std_qc_defer(qc);
}
-static void sil24_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors sil24_qc_prep(struct ata_queued_cmd *qc)
{
struct ata_port *ap = qc->ap;
struct sil24_port_priv *pp = ap->private_data;
@@ -884,6 +884,8 @@ static void sil24_qc_prep(struct ata_queued_cmd *qc)
if (qc->flags & ATA_QCFLAG_DMAMAP)
sil24_fill_sg(qc, sge);
+
+ return AC_ERR_OK;
}
static unsigned int sil24_qc_issue(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index 405e606a234d..0d742457925e 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -218,7 +218,7 @@ static void pdc_error_handler(struct ata_port *ap);
static void pdc_freeze(struct ata_port *ap);
static void pdc_thaw(struct ata_port *ap);
static int pdc_port_start(struct ata_port *ap);
-static void pdc20621_qc_prep(struct ata_queued_cmd *qc);
+static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc);
static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
static unsigned int pdc20621_dimm_init(struct ata_host *host);
@@ -546,7 +546,7 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
VPRINTK("ata pkt buf ofs %u, mmio copied\n", i);
}
-static void pdc20621_qc_prep(struct ata_queued_cmd *qc)
+static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc)
{
switch (qc->tf.protocol) {
case ATA_PROT_DMA:
@@ -558,6 +558,8 @@ static void pdc20621_qc_prep(struct ata_queued_cmd *qc)
default:
break;
}
+
+ return AC_ERR_OK;
}
static void __pdc20621_push_hdma(struct ata_queued_cmd *qc,
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 7323e9210f4b..38fec976e62d 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -2243,7 +2243,7 @@ static int eni_init_one(struct pci_dev *pci_dev,
rc = dma_set_mask_and_coherent(&pci_dev->dev, DMA_BIT_MASK(32));
if (rc < 0)
- goto out;
+ goto err_disable;
rc = -ENOMEM;
eni_dev = kmalloc(sizeof(struct eni_dev), GFP_KERNEL);
diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index d26b485ccc7d..e8b3353c18eb 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -2367,7 +2367,7 @@ int regmap_raw_write_async(struct regmap *map, unsigned int reg,
EXPORT_SYMBOL_GPL(regmap_raw_write_async);
static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
- unsigned int val_len)
+ unsigned int val_len, bool noinc)
{
struct regmap_range_node *range;
int ret;
@@ -2380,7 +2380,7 @@ static int _regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
range = _regmap_range_lookup(map, reg);
if (range) {
ret = _regmap_select_page(map, ®, range,
- val_len / map->format.val_bytes);
+ noinc ? 1 : val_len / map->format.val_bytes);
if (ret != 0)
return ret;
}
@@ -2418,7 +2418,7 @@ static int _regmap_bus_read(void *context, unsigned int reg,
if (!map->format.parse_val)
return -EINVAL;
- ret = _regmap_raw_read(map, reg, work_val, map->format.val_bytes);
+ ret = _regmap_raw_read(map, reg, work_val, map->format.val_bytes, false);
if (ret == 0)
*val = map->format.parse_val(work_val);
@@ -2536,7 +2536,7 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
/* Read bytes that fit into whole chunks */
for (i = 0; i < chunk_count; i++) {
- ret = _regmap_raw_read(map, reg, val, chunk_bytes);
+ ret = _regmap_raw_read(map, reg, val, chunk_bytes, false);
if (ret != 0)
goto out;
@@ -2547,7 +2547,7 @@ int regmap_raw_read(struct regmap *map, unsigned int reg, void *val,
/* Read remaining bytes */
if (val_len) {
- ret = _regmap_raw_read(map, reg, val, val_len);
+ ret = _regmap_raw_read(map, reg, val, val_len, false);
if (ret != 0)
goto out;
}
@@ -2622,7 +2622,7 @@ int regmap_noinc_read(struct regmap *map, unsigned int reg,
read_len = map->max_raw_read;
else
read_len = val_len;
- ret = _regmap_raw_read(map, reg, val, read_len);
+ ret = _regmap_raw_read(map, reg, val, read_len, true);
if (ret)
goto out_unlock;
val = ((u8 *)val) + read_len;
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 8d1cd2479e36..cc51395d8b0e 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -343,11 +343,11 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
* the end.
*/
len = patch_length;
- buf = kmemdup(btrtl_dev->fw_data + patch_offset, patch_length,
- GFP_KERNEL);
+ buf = kvmalloc(patch_length, GFP_KERNEL);
if (!buf)
return -ENOMEM;
+ memcpy(buf, btrtl_dev->fw_data + patch_offset, patch_length - 4);
memcpy(buf + patch_length - 4, &epatch_info->fw_version, 4);
*_buf = buf;
@@ -415,8 +415,10 @@ static int rtl_load_file(struct hci_dev *hdev, const char *name, u8 **buff)
if (ret < 0)
return ret;
ret = fw->size;
- *buff = kmemdup(fw->data, ret, GFP_KERNEL);
- if (!*buff)
+ *buff = kvmalloc(fw->size, GFP_KERNEL);
+ if (*buff)
+ memcpy(*buff, fw->data, ret);
+ else
ret = -ENOMEM;
release_firmware(fw);
@@ -454,14 +456,14 @@ static int btrtl_setup_rtl8723b(struct hci_dev *hdev,
goto out;
if (btrtl_dev->cfg_len > 0) {
- tbuff = kzalloc(ret + btrtl_dev->cfg_len, GFP_KERNEL);
+ tbuff = kvzalloc(ret + btrtl_dev->cfg_len, GFP_KERNEL);
if (!tbuff) {
ret = -ENOMEM;
goto out;
}
memcpy(tbuff, fw_data, ret);
- kfree(fw_data);
+ kvfree(fw_data);
memcpy(tbuff + ret, btrtl_dev->cfg_data, btrtl_dev->cfg_len);
ret += btrtl_dev->cfg_len;
@@ -474,7 +476,7 @@ static int btrtl_setup_rtl8723b(struct hci_dev *hdev,
ret = rtl_download_firmware(hdev, fw_data, ret);
out:
- kfree(fw_data);
+ kvfree(fw_data);
return ret;
}
@@ -501,8 +503,8 @@ static struct sk_buff *btrtl_read_local_version(struct hci_dev *hdev)
void btrtl_free(struct btrtl_device_info *btrtl_dev)
{
- kfree(btrtl_dev->fw_data);
- kfree(btrtl_dev->cfg_data);
+ kvfree(btrtl_dev->fw_data);
+ kvfree(btrtl_dev->cfg_data);
kfree(btrtl_dev);
}
EXPORT_SYMBOL_GPL(btrtl_free);
diff --git a/drivers/bus/hisi_lpc.c b/drivers/bus/hisi_lpc.c
index e31c02dc7770..cbd970fb02f1 100644
--- a/drivers/bus/hisi_lpc.c
+++ b/drivers/bus/hisi_lpc.c
@@ -358,6 +358,26 @@ static int hisi_lpc_acpi_xlat_io_res(struct acpi_device *adev,
return 0;
}
+/*
+ * Released firmware describes the IO port max address as 0x3fff, which is
+ * the max host bus address. Fixup to a proper range. This will probably
+ * never be fixed in firmware.
+ */
+static void hisi_lpc_acpi_fixup_child_resource(struct device *hostdev,
+ struct resource *r)
+{
+ if (r->end != 0x3fff)
+ return;
+
+ if (r->start == 0xe4)
+ r->end = 0xe4 + 0x04 - 1;
+ else if (r->start == 0x2f8)
+ r->end = 0x2f8 + 0x08 - 1;
+ else
+ dev_warn(hostdev, "unrecognised resource %pR to fixup, ignoring\n",
+ r);
+}
+
/*
* hisi_lpc_acpi_set_io_res - set the resources for a child
* @child: the device node to be updated the I/O resource
@@ -419,8 +439,11 @@ static int hisi_lpc_acpi_set_io_res(struct device *child,
return -ENOMEM;
}
count = 0;
- list_for_each_entry(rentry, &resource_list, node)
- resources[count++] = *rentry->res;
+ list_for_each_entry(rentry, &resource_list, node) {
+ resources[count] = *rentry->res;
+ hisi_lpc_acpi_fixup_child_resource(hostdev, &resources[count]);
+ count++;
+ }
acpi_dev_free_resource_list(&resource_list);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 6a5d4dfafc47..80dedecfe15c 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1150,14 +1150,14 @@ static void add_timer_randomness(struct timer_rand_state *state, unsigned num)
* We take into account the first, second and third-order deltas
* in order to make our estimate.
*/
- delta = sample.jiffies - state->last_time;
- state->last_time = sample.jiffies;
+ delta = sample.jiffies - READ_ONCE(state->last_time);
+ WRITE_ONCE(state->last_time, sample.jiffies);
- delta2 = delta - state->last_delta;
- state->last_delta = delta;
+ delta2 = delta - READ_ONCE(state->last_delta);
+ WRITE_ONCE(state->last_delta, delta);
- delta3 = delta2 - state->last_delta2;
- state->last_delta2 = delta2;
+ delta3 = delta2 - READ_ONCE(state->last_delta2);
+ WRITE_ONCE(state->last_delta2, delta2);
if (delta < 0)
delta = -delta;
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 8eeb4190207d..dce22b7fc544 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -776,17 +776,21 @@ static int __init tlclk_init(void)
{
int ret;
+ telclk_interrupt = (inb(TLCLK_REG7) & 0x0f);
+
+ alarm_events = kzalloc( sizeof(struct tlclk_alarms), GFP_KERNEL);
+ if (!alarm_events) {
+ ret = -ENOMEM;
+ goto out1;
+ }
+
ret = register_chrdev(tlclk_major, "telco_clock", &tlclk_fops);
if (ret < 0) {
printk(KERN_ERR "tlclk: can't get major %d.\n", tlclk_major);
+ kfree(alarm_events);
return ret;
}
tlclk_major = ret;
- alarm_events = kzalloc( sizeof(struct tlclk_alarms), GFP_KERNEL);
- if (!alarm_events) {
- ret = -ENOMEM;
- goto out1;
- }
/* Read telecom clock IRQ number (Set by BIOS) */
if (!request_region(TLCLK_BASE, 8, "telco_clock")) {
@@ -795,7 +799,6 @@ static int __init tlclk_init(void)
ret = -EBUSY;
goto out2;
}
- telclk_interrupt = (inb(TLCLK_REG7) & 0x0f);
if (0x0F == telclk_interrupt ) { /* not MCPBL0010 ? */
printk(KERN_ERR "telclk_interrupt = 0x%x non-mcpbl0010 hw.\n",
@@ -836,8 +839,8 @@ static int __init tlclk_init(void)
release_region(TLCLK_BASE, 8);
out2:
kfree(alarm_events);
-out1:
unregister_chrdev(tlclk_major, "telco_clock");
+out1:
return ret;
}
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 763fc7e6c005..20f27100708b 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -26,6 +26,7 @@
#include "tpm.h"
#define ACPI_SIG_TPM2 "TPM2"
+#define TPM_CRB_MAX_RESOURCES 3
static const guid_t crb_acpi_start_guid =
GUID_INIT(0x6BBF6CAB, 0x5463, 0x4714,
@@ -95,7 +96,6 @@ enum crb_status {
struct crb_priv {
u32 sm;
const char *hid;
- void __iomem *iobase;
struct crb_regs_head __iomem *regs_h;
struct crb_regs_tail __iomem *regs_t;
u8 __iomem *cmd;
@@ -438,21 +438,27 @@ static const struct tpm_class_ops tpm_crb = {
static int crb_check_resource(struct acpi_resource *ares, void *data)
{
- struct resource *io_res = data;
+ struct resource *iores_array = data;
struct resource_win win;
struct resource *res = &(win.res);
+ int i;
if (acpi_dev_resource_memory(ares, res) ||
acpi_dev_resource_address_space(ares, &win)) {
- *io_res = *res;
- io_res->name = NULL;
+ for (i = 0; i < TPM_CRB_MAX_RESOURCES + 1; ++i) {
+ if (resource_type(iores_array + i) != IORESOURCE_MEM) {
+ iores_array[i] = *res;
+ iores_array[i].name = NULL;
+ break;
+ }
+ }
}
return 1;
}
-static void __iomem *crb_map_res(struct device *dev, struct crb_priv *priv,
- struct resource *io_res, u64 start, u32 size)
+static void __iomem *crb_map_res(struct device *dev, struct resource *iores,
+ void __iomem **iobase_ptr, u64 start, u32 size)
{
struct resource new_res = {
.start = start,
@@ -464,10 +470,16 @@ static void __iomem *crb_map_res(struct device *dev, struct crb_priv *priv,
if (start != new_res.start)
return (void __iomem *) ERR_PTR(-EINVAL);
- if (!resource_contains(io_res, &new_res))
+ if (!iores)
return devm_ioremap_resource(dev, &new_res);
- return priv->iobase + (new_res.start - io_res->start);
+ if (!*iobase_ptr) {
+ *iobase_ptr = devm_ioremap_resource(dev, iores);
+ if (IS_ERR(*iobase_ptr))
+ return *iobase_ptr;
+ }
+
+ return *iobase_ptr + (new_res.start - iores->start);
}
/*
@@ -494,9 +506,13 @@ static u64 crb_fixup_cmd_size(struct device *dev, struct resource *io_res,
static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
struct acpi_table_tpm2 *buf)
{
- struct list_head resources;
- struct resource io_res;
+ struct list_head acpi_resource_list;
+ struct resource iores_array[TPM_CRB_MAX_RESOURCES + 1] = { {0} };
+ void __iomem *iobase_array[TPM_CRB_MAX_RESOURCES] = {NULL};
struct device *dev = &device->dev;
+ struct resource *iores;
+ void __iomem **iobase_ptr;
+ int i;
u32 pa_high, pa_low;
u64 cmd_pa;
u32 cmd_size;
@@ -505,21 +521,41 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
u32 rsp_size;
int ret;
- INIT_LIST_HEAD(&resources);
- ret = acpi_dev_get_resources(device, &resources, crb_check_resource,
- &io_res);
+ INIT_LIST_HEAD(&acpi_resource_list);
+ ret = acpi_dev_get_resources(device, &acpi_resource_list,
+ crb_check_resource, iores_array);
if (ret < 0)
return ret;
- acpi_dev_free_resource_list(&resources);
+ acpi_dev_free_resource_list(&acpi_resource_list);
- if (resource_type(&io_res) != IORESOURCE_MEM) {
+ if (resource_type(iores_array) != IORESOURCE_MEM) {
dev_err(dev, FW_BUG "TPM2 ACPI table does not define a memory resource\n");
return -EINVAL;
+ } else if (resource_type(iores_array + TPM_CRB_MAX_RESOURCES) ==
+ IORESOURCE_MEM) {
+ dev_warn(dev, "TPM2 ACPI table defines too many memory resources\n");
+ memset(iores_array + TPM_CRB_MAX_RESOURCES,
+ 0, sizeof(*iores_array));
+ iores_array[TPM_CRB_MAX_RESOURCES].flags = 0;
}
- priv->iobase = devm_ioremap_resource(dev, &io_res);
- if (IS_ERR(priv->iobase))
- return PTR_ERR(priv->iobase);
+ iores = NULL;
+ iobase_ptr = NULL;
+ for (i = 0; resource_type(iores_array + i) == IORESOURCE_MEM; ++i) {
+ if (buf->control_address >= iores_array[i].start &&
+ buf->control_address + sizeof(struct crb_regs_tail) - 1 <=
+ iores_array[i].end) {
+ iores = iores_array + i;
+ iobase_ptr = iobase_array + i;
+ break;
+ }
+ }
+
+ priv->regs_t = crb_map_res(dev, iores, iobase_ptr, buf->control_address,
+ sizeof(struct crb_regs_tail));
+
+ if (IS_ERR(priv->regs_t))
+ return PTR_ERR(priv->regs_t);
/* The ACPI IO region starts at the head area and continues to include
* the control area, as one nice sane region except for some older
@@ -527,9 +563,10 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
*/
if ((priv->sm == ACPI_TPM2_COMMAND_BUFFER) ||
(priv->sm == ACPI_TPM2_MEMORY_MAPPED)) {
- if (buf->control_address == io_res.start +
+ if (iores &&
+ buf->control_address == iores->start +
sizeof(*priv->regs_h))
- priv->regs_h = priv->iobase;
+ priv->regs_h = *iobase_ptr;
else
dev_warn(dev, FW_BUG "Bad ACPI memory layout");
}
@@ -538,13 +575,6 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
if (ret)
return ret;
- priv->regs_t = crb_map_res(dev, priv, &io_res, buf->control_address,
- sizeof(struct crb_regs_tail));
- if (IS_ERR(priv->regs_t)) {
- ret = PTR_ERR(priv->regs_t);
- goto out_relinquish_locality;
- }
-
/*
* PTT HW bug w/a: wake up the device to access
* possibly not retained registers.
@@ -556,13 +586,26 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
pa_high = ioread32(&priv->regs_t->ctrl_cmd_pa_high);
pa_low = ioread32(&priv->regs_t->ctrl_cmd_pa_low);
cmd_pa = ((u64)pa_high << 32) | pa_low;
- cmd_size = crb_fixup_cmd_size(dev, &io_res, cmd_pa,
- ioread32(&priv->regs_t->ctrl_cmd_size));
+ cmd_size = ioread32(&priv->regs_t->ctrl_cmd_size);
+
+ iores = NULL;
+ iobase_ptr = NULL;
+ for (i = 0; iores_array[i].end; ++i) {
+ if (cmd_pa >= iores_array[i].start &&
+ cmd_pa <= iores_array[i].end) {
+ iores = iores_array + i;
+ iobase_ptr = iobase_array + i;
+ break;
+ }
+ }
+
+ if (iores)
+ cmd_size = crb_fixup_cmd_size(dev, iores, cmd_pa, cmd_size);
dev_dbg(dev, "cmd_hi = %X cmd_low = %X cmd_size %X\n",
pa_high, pa_low, cmd_size);
- priv->cmd = crb_map_res(dev, priv, &io_res, cmd_pa, cmd_size);
+ priv->cmd = crb_map_res(dev, iores, iobase_ptr, cmd_pa, cmd_size);
if (IS_ERR(priv->cmd)) {
ret = PTR_ERR(priv->cmd);
goto out;
@@ -570,11 +613,25 @@ static int crb_map_io(struct acpi_device *device, struct crb_priv *priv,
memcpy_fromio(&__rsp_pa, &priv->regs_t->ctrl_rsp_pa, 8);
rsp_pa = le64_to_cpu(__rsp_pa);
- rsp_size = crb_fixup_cmd_size(dev, &io_res, rsp_pa,
- ioread32(&priv->regs_t->ctrl_rsp_size));
+ rsp_size = ioread32(&priv->regs_t->ctrl_rsp_size);
+
+ iores = NULL;
+ iobase_ptr = NULL;
+ for (i = 0; resource_type(iores_array + i) == IORESOURCE_MEM; ++i) {
+ if (rsp_pa >= iores_array[i].start &&
+ rsp_pa <= iores_array[i].end) {
+ iores = iores_array + i;
+ iobase_ptr = iobase_array + i;
+ break;
+ }
+ }
+
+ if (iores)
+ rsp_size = crb_fixup_cmd_size(dev, iores, rsp_pa, rsp_size);
if (cmd_pa != rsp_pa) {
- priv->rsp = crb_map_res(dev, priv, &io_res, rsp_pa, rsp_size);
+ priv->rsp = crb_map_res(dev, iores, iobase_ptr,
+ rsp_pa, rsp_size);
ret = PTR_ERR_OR_ZERO(priv->rsp);
goto out;
}
diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c
index 569e93e1f06c..3ba67bc6baba 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.c
+++ b/drivers/char/tpm/tpm_ibmvtpm.c
@@ -588,6 +588,7 @@ static irqreturn_t ibmvtpm_interrupt(int irq, void *vtpm_instance)
*/
while ((crq = ibmvtpm_crq_get_next(ibmvtpm)) != NULL) {
ibmvtpm_crq_process(crq, ibmvtpm);
+ wake_up_interruptible(&ibmvtpm->crq_queue.wq);
crq->valid = 0;
smp_wmb();
}
@@ -635,6 +636,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
}
crq_q->num_entry = CRQ_RES_BUF_SIZE / sizeof(*crq_q->crq_addr);
+ init_waitqueue_head(&crq_q->wq);
ibmvtpm->crq_dma_handle = dma_map_single(dev, crq_q->crq_addr,
CRQ_RES_BUF_SIZE,
DMA_BIDIRECTIONAL);
@@ -687,6 +689,13 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev,
if (rc)
goto init_irq_cleanup;
+ if (!wait_event_timeout(ibmvtpm->crq_queue.wq,
+ ibmvtpm->rtce_buf != NULL,
+ HZ)) {
+ dev_err(dev, "CRQ response timed out\n");
+ goto init_irq_cleanup;
+ }
+
return tpm_chip_register(chip);
init_irq_cleanup:
do {
diff --git a/drivers/char/tpm/tpm_ibmvtpm.h b/drivers/char/tpm/tpm_ibmvtpm.h
index 91dfe766d080..4f6a124601db 100644
--- a/drivers/char/tpm/tpm_ibmvtpm.h
+++ b/drivers/char/tpm/tpm_ibmvtpm.h
@@ -31,6 +31,7 @@ struct ibmvtpm_crq_queue {
struct ibmvtpm_crq *crq_addr;
u32 index;
u32 num_entry;
+ wait_queue_head_t wq;
};
struct ibmvtpm_dev {
diff --git a/drivers/clk/socfpga/clk-pll-s10.c b/drivers/clk/socfpga/clk-pll-s10.c
index c4d0b6f6abf2..fc2e2839fe57 100644
--- a/drivers/clk/socfpga/clk-pll-s10.c
+++ b/drivers/clk/socfpga/clk-pll-s10.c
@@ -38,7 +38,9 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
/* read VCO1 reg for numerator and denominator */
reg = readl(socfpgaclk->hw.reg);
refdiv = (reg & SOCFPGA_PLL_REFDIV_MASK) >> SOCFPGA_PLL_REFDIV_SHIFT;
- vco_freq = (unsigned long long)parent_rate / refdiv;
+
+ vco_freq = parent_rate;
+ do_div(vco_freq, refdiv);
/* Read mdiv and fdiv from the fdbck register */
reg = readl(socfpgaclk->hw.reg + 0x4);
diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c
index 688e403333b9..14926e07d09a 100644
--- a/drivers/clk/ti/adpll.c
+++ b/drivers/clk/ti/adpll.c
@@ -193,15 +193,8 @@ static const char *ti_adpll_clk_get_name(struct ti_adpll_data *d,
if (err)
return NULL;
} else {
- const char *base_name = "adpll";
- char *buf;
-
- buf = devm_kzalloc(d->dev, 8 + 1 + strlen(base_name) + 1 +
- strlen(postfix), GFP_KERNEL);
- if (!buf)
- return NULL;
- sprintf(buf, "%08lx.%s.%s", d->pa, base_name, postfix);
- name = buf;
+ name = devm_kasprintf(d->dev, GFP_KERNEL, "%08lx.adpll.%s",
+ d->pa, postfix);
}
return name;
diff --git a/drivers/clocksource/h8300_timer8.c b/drivers/clocksource/h8300_timer8.c
index 1d740a8c42ab..47114c2a7cb5 100644
--- a/drivers/clocksource/h8300_timer8.c
+++ b/drivers/clocksource/h8300_timer8.c
@@ -169,7 +169,7 @@ static int __init h8300_8timer_init(struct device_node *node)
return PTR_ERR(clk);
}
- ret = ENXIO;
+ ret = -ENXIO;
base = of_iomap(node, 0);
if (!base) {
pr_err("failed to map registers for clockevent\n");
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index 687c92ef7644..79942f705757 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -903,6 +903,7 @@ static struct notifier_block powernv_cpufreq_reboot_nb = {
void powernv_cpufreq_work_fn(struct work_struct *work)
{
struct chip *chip = container_of(work, struct chip, throttle);
+ struct cpufreq_policy *policy;
unsigned int cpu;
cpumask_t mask;
@@ -917,12 +918,14 @@ void powernv_cpufreq_work_fn(struct work_struct *work)
chip->restore = false;
for_each_cpu(cpu, &mask) {
int index;
- struct cpufreq_policy policy;
- cpufreq_get_policy(&policy, cpu);
- index = cpufreq_table_find_index_c(&policy, policy.cur);
- powernv_cpufreq_target_index(&policy, index);
- cpumask_andnot(&mask, &mask, policy.cpus);
+ policy = cpufreq_cpu_get(cpu);
+ if (!policy)
+ continue;
+ index = cpufreq_table_find_index_c(policy, policy->cur);
+ powernv_cpufreq_target_index(policy, index);
+ cpumask_andnot(&mask, &mask, policy->cpus);
+ cpufreq_cpu_put(policy);
}
out:
put_online_cpus();
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index 9b3c259f081d..ee508bbbb750 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -2418,8 +2418,9 @@ int chcr_aead_dma_map(struct device *dev,
else
reqctx->b0_dma = 0;
if (req->src == req->dst) {
- error = dma_map_sg(dev, req->src, sg_nents(req->src),
- DMA_BIDIRECTIONAL);
+ error = dma_map_sg(dev, req->src,
+ sg_nents_for_len(req->src, dst_size),
+ DMA_BIDIRECTIONAL);
if (!error)
goto err;
} else {
diff --git a/drivers/crypto/chelsio/chtls/chtls_io.c b/drivers/crypto/chelsio/chtls/chtls_io.c
index 1e0cc96306dd..2c1f3ddb0cc7 100644
--- a/drivers/crypto/chelsio/chtls/chtls_io.c
+++ b/drivers/crypto/chelsio/chtls/chtls_io.c
@@ -1449,7 +1449,7 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
csk->wr_max_credits))
sk->sk_write_space(sk);
- if (copied >= target && !sk->sk_backlog.tail)
+ if (copied >= target && !READ_ONCE(sk->sk_backlog.tail))
break;
if (copied) {
@@ -1482,7 +1482,7 @@ static int chtls_pt_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
break;
}
}
- if (sk->sk_backlog.tail) {
+ if (READ_ONCE(sk->sk_backlog.tail)) {
release_sock(sk);
lock_sock(sk);
chtls_cleanup_rbuf(sk, copied);
@@ -1627,7 +1627,7 @@ static int peekmsg(struct sock *sk, struct msghdr *msg,
break;
}
- if (sk->sk_backlog.tail) {
+ if (READ_ONCE(sk->sk_backlog.tail)) {
/* Do not sleep, just process backlog. */
release_sock(sk);
lock_sock(sk);
@@ -1759,7 +1759,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
csk->wr_max_credits))
sk->sk_write_space(sk);
- if (copied >= target && !sk->sk_backlog.tail)
+ if (copied >= target && !READ_ONCE(sk->sk_backlog.tail))
break;
if (copied) {
@@ -1790,7 +1790,7 @@ int chtls_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
}
}
- if (sk->sk_backlog.tail) {
+ if (READ_ONCE(sk->sk_backlog.tail)) {
release_sock(sk);
lock_sock(sk);
chtls_cleanup_rbuf(sk, copied);
diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
index 06768074d2d8..479d9575e124 100644
--- a/drivers/devfreq/tegra-devfreq.c
+++ b/drivers/devfreq/tegra-devfreq.c
@@ -80,6 +80,8 @@
#define KHZ 1000
+#define KHZ_MAX (ULONG_MAX / KHZ)
+
/* Assume that the bus is saturated if the utilization is 25% */
#define BUS_SATURATION_RATIO 25
@@ -180,7 +182,7 @@ struct tegra_actmon_emc_ratio {
};
static struct tegra_actmon_emc_ratio actmon_emc_ratios[] = {
- { 1400000, ULONG_MAX },
+ { 1400000, KHZ_MAX },
{ 1200000, 750000 },
{ 1100000, 600000 },
{ 1000000, 500000 },
diff --git a/drivers/dma-buf/dma-fence.c b/drivers/dma-buf/dma-fence.c
index 1551ca7df394..8586cc05def1 100644
--- a/drivers/dma-buf/dma-fence.c
+++ b/drivers/dma-buf/dma-fence.c
@@ -244,6 +244,30 @@ void dma_fence_free(struct dma_fence *fence)
}
EXPORT_SYMBOL(dma_fence_free);
+static bool __dma_fence_enable_signaling(struct dma_fence *fence)
+{
+ bool was_set;
+
+ lockdep_assert_held(fence->lock);
+
+ was_set = test_and_set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
+ &fence->flags);
+
+ if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
+ return false;
+
+ if (!was_set && fence->ops->enable_signaling) {
+ trace_dma_fence_enable_signal(fence);
+
+ if (!fence->ops->enable_signaling(fence)) {
+ dma_fence_signal_locked(fence);
+ return false;
+ }
+ }
+
+ return true;
+}
+
/**
* dma_fence_enable_sw_signaling - enable signaling on fence
* @fence: the fence to enable
@@ -256,19 +280,12 @@ void dma_fence_enable_sw_signaling(struct dma_fence *fence)
{
unsigned long flags;
- if (!test_and_set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
- &fence->flags) &&
- !test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) &&
- fence->ops->enable_signaling) {
- trace_dma_fence_enable_signal(fence);
-
- spin_lock_irqsave(fence->lock, flags);
-
- if (!fence->ops->enable_signaling(fence))
- dma_fence_signal_locked(fence);
+ if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
+ return;
- spin_unlock_irqrestore(fence->lock, flags);
- }
+ spin_lock_irqsave(fence->lock, flags);
+ __dma_fence_enable_signaling(fence);
+ spin_unlock_irqrestore(fence->lock, flags);
}
EXPORT_SYMBOL(dma_fence_enable_sw_signaling);
@@ -302,7 +319,6 @@ int dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
{
unsigned long flags;
int ret = 0;
- bool was_set;
if (WARN_ON(!fence || !func))
return -EINVAL;
@@ -314,25 +330,14 @@ int dma_fence_add_callback(struct dma_fence *fence, struct dma_fence_cb *cb,
spin_lock_irqsave(fence->lock, flags);
- was_set = test_and_set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
- &fence->flags);
-
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
- ret = -ENOENT;
- else if (!was_set && fence->ops->enable_signaling) {
- trace_dma_fence_enable_signal(fence);
-
- if (!fence->ops->enable_signaling(fence)) {
- dma_fence_signal_locked(fence);
- ret = -ENOENT;
- }
- }
-
- if (!ret) {
+ if (__dma_fence_enable_signaling(fence)) {
cb->func = func;
list_add_tail(&cb->node, &fence->cb_list);
- } else
+ } else {
INIT_LIST_HEAD(&cb->node);
+ ret = -ENOENT;
+ }
+
spin_unlock_irqrestore(fence->lock, flags);
return ret;
@@ -432,7 +437,6 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout)
struct default_wait_cb cb;
unsigned long flags;
signed long ret = timeout ? timeout : 1;
- bool was_set;
if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
return ret;
@@ -444,21 +448,9 @@ dma_fence_default_wait(struct dma_fence *fence, bool intr, signed long timeout)
goto out;
}
- was_set = test_and_set_bit(DMA_FENCE_FLAG_ENABLE_SIGNAL_BIT,
- &fence->flags);
-
- if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags))
+ if (!__dma_fence_enable_signaling(fence))
goto out;
- if (!was_set && fence->ops->enable_signaling) {
- trace_dma_fence_enable_signal(fence);
-
- if (!fence->ops->enable_signaling(fence)) {
- dma_fence_signal_locked(fence);
- goto out;
- }
- }
-
if (!timeout) {
ret = 0;
goto out;
diff --git a/drivers/dma/mediatek/mtk-hsdma.c b/drivers/dma/mediatek/mtk-hsdma.c
index b7ec56ae02a6..fca232b1d4a6 100644
--- a/drivers/dma/mediatek/mtk-hsdma.c
+++ b/drivers/dma/mediatek/mtk-hsdma.c
@@ -997,7 +997,7 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
if (err) {
dev_err(&pdev->dev,
"request_irq failed with err %d\n", err);
- goto err_unregister;
+ goto err_free;
}
platform_set_drvdata(pdev, hsdma);
@@ -1006,6 +1006,8 @@ static int mtk_hsdma_probe(struct platform_device *pdev)
return 0;
+err_free:
+ of_dma_controller_free(pdev->dev.of_node);
err_unregister:
dma_async_device_unregister(dd);
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c
index 4903a408fc14..ac7af440f865 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32-dma.c
@@ -494,8 +494,10 @@ static int stm32_dma_terminate_all(struct dma_chan *c)
spin_lock_irqsave(&chan->vchan.lock, flags);
- if (chan->busy) {
- stm32_dma_stop(chan);
+ if (chan->desc) {
+ vchan_terminate_vdesc(&chan->desc->vdesc);
+ if (chan->busy)
+ stm32_dma_stop(chan);
chan->desc = NULL;
}
@@ -551,6 +553,8 @@ static void stm32_dma_start_transfer(struct stm32_dma_chan *chan)
if (!vdesc)
return;
+ list_del(&vdesc->node);
+
chan->desc = to_stm32_dma_desc(vdesc);
chan->next_sg = 0;
}
@@ -628,7 +632,6 @@ static void stm32_dma_handle_chan_done(struct stm32_dma_chan *chan)
} else {
chan->busy = false;
if (chan->next_sg == chan->desc->num_sgs) {
- list_del(&chan->desc->vdesc.node);
vchan_cookie_complete(&chan->desc->vdesc);
chan->desc = NULL;
}
diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32-mdma.c
index 8c3c3e5b812a..9c6867916e89 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32-mdma.c
@@ -1137,6 +1137,8 @@ static void stm32_mdma_start_transfer(struct stm32_mdma_chan *chan)
return;
}
+ list_del(&vdesc->node);
+
chan->desc = to_stm32_mdma_desc(vdesc);
hwdesc = chan->desc->node[0].hwdesc;
chan->curr_hwdesc = 0;
@@ -1252,8 +1254,10 @@ static int stm32_mdma_terminate_all(struct dma_chan *c)
LIST_HEAD(head);
spin_lock_irqsave(&chan->vchan.lock, flags);
- if (chan->busy) {
- stm32_mdma_stop(chan);
+ if (chan->desc) {
+ vchan_terminate_vdesc(&chan->desc->vdesc);
+ if (chan->busy)
+ stm32_mdma_stop(chan);
chan->desc = NULL;
}
vchan_get_all_descriptors(&chan->vchan, &head);
@@ -1341,7 +1345,6 @@ static enum dma_status stm32_mdma_tx_status(struct dma_chan *c,
static void stm32_mdma_xfer_end(struct stm32_mdma_chan *chan)
{
- list_del(&chan->desc->vdesc.node);
vchan_cookie_complete(&chan->desc->vdesc);
chan->desc = NULL;
chan->busy = false;
diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c
index 15481aeaeecd..5ccd24a46e38 100644
--- a/drivers/dma/tegra20-apb-dma.c
+++ b/drivers/dma/tegra20-apb-dma.c
@@ -1225,8 +1225,7 @@ static void tegra_dma_free_chan_resources(struct dma_chan *dc)
dev_dbg(tdc2dev(tdc), "Freeing channel %d\n", tdc->id);
- if (tdc->busy)
- tegra_dma_terminate_all(dc);
+ tegra_dma_terminate_all(dc);
spin_lock_irqsave(&tdc->lock, flags);
list_splice_init(&tdc->pending_sg_req, &sg_req_list);
diff --git a/drivers/dma/xilinx/zynqmp_dma.c b/drivers/dma/xilinx/zynqmp_dma.c
index 73de6a6179fc..e002ff8413e2 100644
--- a/drivers/dma/xilinx/zynqmp_dma.c
+++ b/drivers/dma/xilinx/zynqmp_dma.c
@@ -127,10 +127,12 @@
/* Max transfer size per descriptor */
#define ZYNQMP_DMA_MAX_TRANS_LEN 0x40000000
+/* Max burst lengths */
+#define ZYNQMP_DMA_MAX_DST_BURST_LEN 32768U
+#define ZYNQMP_DMA_MAX_SRC_BURST_LEN 32768U
+
/* Reset values for data attributes */
#define ZYNQMP_DMA_AXCACHE_VAL 0xF
-#define ZYNQMP_DMA_ARLEN_RST_VAL 0xF
-#define ZYNQMP_DMA_AWLEN_RST_VAL 0xF
#define ZYNQMP_DMA_SRC_ISSUE_RST_VAL 0x1F
@@ -536,17 +538,19 @@ static void zynqmp_dma_handle_ovfl_int(struct zynqmp_dma_chan *chan, u32 status)
static void zynqmp_dma_config(struct zynqmp_dma_chan *chan)
{
- u32 val;
+ u32 val, burst_val;
val = readl(chan->regs + ZYNQMP_DMA_CTRL0);
val |= ZYNQMP_DMA_POINT_TYPE_SG;
writel(val, chan->regs + ZYNQMP_DMA_CTRL0);
val = readl(chan->regs + ZYNQMP_DMA_DATA_ATTR);
+ burst_val = __ilog2_u32(chan->src_burst_len);
val = (val & ~ZYNQMP_DMA_ARLEN) |
- (chan->src_burst_len << ZYNQMP_DMA_ARLEN_OFST);
+ ((burst_val << ZYNQMP_DMA_ARLEN_OFST) & ZYNQMP_DMA_ARLEN);
+ burst_val = __ilog2_u32(chan->dst_burst_len);
val = (val & ~ZYNQMP_DMA_AWLEN) |
- (chan->dst_burst_len << ZYNQMP_DMA_AWLEN_OFST);
+ ((burst_val << ZYNQMP_DMA_AWLEN_OFST) & ZYNQMP_DMA_AWLEN);
writel(val, chan->regs + ZYNQMP_DMA_DATA_ATTR);
}
@@ -562,8 +566,10 @@ static int zynqmp_dma_device_config(struct dma_chan *dchan,
{
struct zynqmp_dma_chan *chan = to_chan(dchan);
- chan->src_burst_len = config->src_maxburst;
- chan->dst_burst_len = config->dst_maxburst;
+ chan->src_burst_len = clamp(config->src_maxburst, 1U,
+ ZYNQMP_DMA_MAX_SRC_BURST_LEN);
+ chan->dst_burst_len = clamp(config->dst_maxburst, 1U,
+ ZYNQMP_DMA_MAX_DST_BURST_LEN);
return 0;
}
@@ -884,8 +890,8 @@ static int zynqmp_dma_chan_probe(struct zynqmp_dma_device *zdev,
return PTR_ERR(chan->regs);
chan->bus_width = ZYNQMP_DMA_BUS_WIDTH_64;
- chan->dst_burst_len = ZYNQMP_DMA_AWLEN_RST_VAL;
- chan->src_burst_len = ZYNQMP_DMA_ARLEN_RST_VAL;
+ chan->dst_burst_len = ZYNQMP_DMA_MAX_DST_BURST_LEN;
+ chan->src_burst_len = ZYNQMP_DMA_MAX_SRC_BURST_LEN;
err = of_property_read_u32(node, "xlnx,bus-width", &chan->bus_width);
if (err < 0) {
dev_err(&pdev->dev, "missing xlnx,bus-width property\n");
diff --git a/drivers/firmware/arm_sdei.c b/drivers/firmware/arm_sdei.c
index 05b528c7ed8f..e809f4d9a9e9 100644
--- a/drivers/firmware/arm_sdei.c
+++ b/drivers/firmware/arm_sdei.c
@@ -410,14 +410,19 @@ int sdei_event_enable(u32 event_num)
return -ENOENT;
}
- spin_lock(&sdei_list_lock);
- event->reenable = true;
- spin_unlock(&sdei_list_lock);
+ cpus_read_lock();
if (event->type == SDEI_EVENT_TYPE_SHARED)
err = sdei_api_event_enable(event->event_num);
else
err = sdei_do_cross_call(_local_event_enable, event);
+
+ if (!err) {
+ spin_lock(&sdei_list_lock);
+ event->reenable = true;
+ spin_unlock(&sdei_list_lock);
+ }
+ cpus_read_unlock();
mutex_unlock(&sdei_events_lock);
return err;
@@ -619,21 +624,18 @@ int sdei_event_register(u32 event_num, sdei_event_callback *cb, void *arg)
break;
}
- spin_lock(&sdei_list_lock);
- event->reregister = true;
- spin_unlock(&sdei_list_lock);
-
+ cpus_read_lock();
err = _sdei_event_register(event);
if (err) {
- spin_lock(&sdei_list_lock);
- event->reregister = false;
- event->reenable = false;
- spin_unlock(&sdei_list_lock);
-
sdei_event_destroy(event);
pr_warn("Failed to register event %u: %d\n", event_num,
err);
+ } else {
+ spin_lock(&sdei_list_lock);
+ event->reregister = true;
+ spin_unlock(&sdei_list_lock);
}
+ cpus_read_unlock();
} while (0);
mutex_unlock(&sdei_events_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
index a5df80d50d44..6cf3dd5edffd 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bios.c
@@ -191,30 +191,35 @@ static bool amdgpu_read_bios_from_rom(struct amdgpu_device *adev)
static bool amdgpu_read_platform_bios(struct amdgpu_device *adev)
{
- uint8_t __iomem *bios;
- size_t size;
+ phys_addr_t rom = adev->pdev->rom;
+ size_t romlen = adev->pdev->romlen;
+ void __iomem *bios;
adev->bios = NULL;
- bios = pci_platform_rom(adev->pdev, &size);
- if (!bios) {
+ if (!rom || romlen == 0)
return false;
- }
- adev->bios = kzalloc(size, GFP_KERNEL);
- if (adev->bios == NULL)
+ adev->bios = kzalloc(romlen, GFP_KERNEL);
+ if (!adev->bios)
return false;
- memcpy_fromio(adev->bios, bios, size);
+ bios = ioremap(rom, romlen);
+ if (!bios)
+ goto free_bios;
- if (!check_atom_bios(adev->bios, size)) {
- kfree(adev->bios);
- return false;
- }
+ memcpy_fromio(adev->bios, bios, romlen);
+ iounmap(bios);
- adev->bios_size = size;
+ if (!check_atom_bios(adev->bios, romlen))
+ goto free_bios;
+
+ adev->bios_size = romlen;
return true;
+free_bios:
+ kfree(adev->bios);
+ return false;
}
#ifdef CONFIG_ACPI
diff --git a/drivers/gpu/drm/amd/amdgpu/atom.c b/drivers/gpu/drm/amd/amdgpu/atom.c
index e9934de1b9cf..0222bb7ea49b 100644
--- a/drivers/gpu/drm/amd/amdgpu/atom.c
+++ b/drivers/gpu/drm/amd/amdgpu/atom.c
@@ -742,8 +742,8 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
cjiffies = jiffies;
if (time_after(cjiffies, ctx->last_jump_jiffies)) {
cjiffies -= ctx->last_jump_jiffies;
- if ((jiffies_to_msecs(cjiffies) > 5000)) {
- DRM_ERROR("atombios stuck in loop for more than 5secs aborting\n");
+ if ((jiffies_to_msecs(cjiffies) > 10000)) {
+ DRM_ERROR("atombios stuck in loop for more than 10secs aborting\n");
ctx->abort = true;
}
} else {
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index 189212cb3547..bff39f561264 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -1101,6 +1101,8 @@ static int stop_cpsch(struct device_queue_manager *dqm)
unmap_queues_cpsch(dqm, KFD_UNMAP_QUEUES_FILTER_ALL_QUEUES, 0);
dqm_unlock(dqm);
+ pm_release_ib(&dqm->packets);
+
kfd_gtt_sa_free(dqm->dev, dqm->fence_mem);
pm_uninit(&dqm->packets);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index 3abc0294c05f..2fb2c683ad54 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1576,8 +1576,7 @@ static void write_i2c_retimer_setting(
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
* needs to be set to 1 on every 0xA-0xC write.
@@ -1595,8 +1594,7 @@ static void write_i2c_retimer_setting(
pipe_ctx->stream->sink->link->ddc,
slave_address, &offset, 1, &value, 1);
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
buffer[0] = offset;
@@ -1605,8 +1603,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
}
}
@@ -1623,8 +1620,7 @@ static void write_i2c_retimer_setting(
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Based on DP159 specs, APPLY_RX_TX_CHANGE bit in 0x0A
* needs to be set to 1 on every 0xA-0xC write.
@@ -1642,8 +1638,7 @@ static void write_i2c_retimer_setting(
pipe_ctx->stream->sink->link->ddc,
slave_address, &offset, 1, &value, 1);
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
buffer[0] = offset;
@@ -1652,8 +1647,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
}
}
@@ -1668,8 +1662,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x00 to 0x23 */
buffer[0] = 0x00;
@@ -1677,8 +1670,7 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0xff to 0x00 */
buffer[0] = 0xff;
@@ -1686,10 +1678,14 @@ static void write_i2c_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
+
+ return;
+
+i2c_write_fail:
+ DC_LOG_DEBUG("Set retimer failed");
}
static void write_i2c_default_retimer_setting(
@@ -1710,8 +1706,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x0A to 0x17 */
buffer[0] = 0x0A;
@@ -1719,8 +1714,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x0B to 0xDA or 0xD8 */
buffer[0] = 0x0B;
@@ -1728,8 +1722,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x0A to 0x17 */
buffer[0] = 0x0A;
@@ -1737,8 +1730,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x0C to 0x1D or 0x91 */
buffer[0] = 0x0C;
@@ -1746,8 +1738,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x0A to 0x17 */
buffer[0] = 0x0A;
@@ -1755,8 +1746,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
if (is_vga_mode) {
@@ -1768,8 +1758,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0x00 to 0x23 */
buffer[0] = 0x00;
@@ -1777,8 +1766,7 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
/* Write offset 0xff to 0x00 */
buffer[0] = 0xff;
@@ -1786,9 +1774,13 @@ static void write_i2c_default_retimer_setting(
i2c_success = i2c_write(pipe_ctx, slave_address,
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ goto i2c_write_fail;
}
+
+ return;
+
+i2c_write_fail:
+ DC_LOG_DEBUG("Set default retimer failed");
}
static void write_i2c_redriver_setting(
@@ -1811,8 +1803,7 @@ static void write_i2c_redriver_setting(
buffer, sizeof(buffer));
if (!i2c_success)
- /* Write failure */
- ASSERT(i2c_success);
+ DC_LOG_DEBUG("Set redriver failed");
}
static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
index 46c9cb47a96e..145af3bb2dfc 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_ddc.c
@@ -127,22 +127,16 @@ struct aux_payloads {
struct vector payloads;
};
-static struct i2c_payloads *dal_ddc_i2c_payloads_create(struct dc_context *ctx, uint32_t count)
+static bool dal_ddc_i2c_payloads_create(
+ struct dc_context *ctx,
+ struct i2c_payloads *payloads,
+ uint32_t count)
{
- struct i2c_payloads *payloads;
-
- payloads = kzalloc(sizeof(struct i2c_payloads), GFP_KERNEL);
-
- if (!payloads)
- return NULL;
-
if (dal_vector_construct(
&payloads->payloads, ctx, count, sizeof(struct i2c_payload)))
- return payloads;
-
- kfree(payloads);
- return NULL;
+ return true;
+ return false;
}
static struct i2c_payload *dal_ddc_i2c_payloads_get(struct i2c_payloads *p)
@@ -155,14 +149,12 @@ static uint32_t dal_ddc_i2c_payloads_get_count(struct i2c_payloads *p)
return p->payloads.count;
}
-static void dal_ddc_i2c_payloads_destroy(struct i2c_payloads **p)
+static void dal_ddc_i2c_payloads_destroy(struct i2c_payloads *p)
{
- if (!p || !*p)
+ if (!p)
return;
- dal_vector_destruct(&(*p)->payloads);
- kfree(*p);
- *p = NULL;
+ dal_vector_destruct(&p->payloads);
}
static struct aux_payloads *dal_ddc_aux_payloads_create(struct dc_context *ctx, uint32_t count)
@@ -580,9 +572,13 @@ bool dal_ddc_service_query_ddc_data(
uint32_t payloads_num = write_payloads + read_payloads;
+
if (write_size > EDID_SEGMENT_SIZE || read_size > EDID_SEGMENT_SIZE)
return false;
+ if (!payloads_num)
+ return false;
+
/*TODO: len of payload data for i2c and aux is uint8!!!!,
* but we want to read 256 over i2c!!!!*/
if (dal_ddc_service_is_in_aux_transaction_mode(ddc)) {
@@ -613,23 +609,25 @@ bool dal_ddc_service_query_ddc_data(
dal_ddc_aux_payloads_destroy(&payloads);
} else {
- struct i2c_payloads *payloads =
- dal_ddc_i2c_payloads_create(ddc->ctx, payloads_num);
+ struct i2c_command command = {0};
+ struct i2c_payloads payloads;
- struct i2c_command command = {
- .payloads = dal_ddc_i2c_payloads_get(payloads),
- .number_of_payloads = 0,
- .engine = DDC_I2C_COMMAND_ENGINE,
- .speed = ddc->ctx->dc->caps.i2c_speed_in_khz };
+ if (!dal_ddc_i2c_payloads_create(ddc->ctx, &payloads, payloads_num))
+ return false;
+
+ command.payloads = dal_ddc_i2c_payloads_get(&payloads);
+ command.number_of_payloads = 0;
+ command.engine = DDC_I2C_COMMAND_ENGINE;
+ command.speed = ddc->ctx->dc->caps.i2c_speed_in_khz;
dal_ddc_i2c_payloads_add(
- payloads, address, write_size, write_buf, true);
+ &payloads, address, write_size, write_buf, true);
dal_ddc_i2c_payloads_add(
- payloads, address, read_size, read_buf, false);
+ &payloads, address, read_size, read_buf, false);
command.number_of_payloads =
- dal_ddc_i2c_payloads_get_count(payloads);
+ dal_ddc_i2c_payloads_get_count(&payloads);
ret = dm_helpers_submit_i2c(
ddc->ctx,
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
index 72c0a2ae2dd4..058898b321b8 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
@@ -3970,6 +3970,13 @@ static int smu7_set_power_state_tasks(struct pp_hwmgr *hwmgr, const void *input)
"Failed to populate and upload SCLK MCLK DPM levels!",
result = tmp_result);
+ /*
+ * If a custom pp table is loaded, set DPMTABLE_OD_UPDATE_VDDC flag.
+ * That effectively disables AVFS feature.
+ */
+ if (hwmgr->hardcode_pp_table != NULL)
+ data->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_VDDC;
+
tmp_result = smu7_update_avfs(hwmgr);
PP_ASSERT_WITH_CODE((0 == tmp_result),
"Failed to update avfs voltages!",
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index ce459ea4ec3a..da9e6923fa65 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -3591,6 +3591,13 @@ static int vega10_set_power_state_tasks(struct pp_hwmgr *hwmgr,
PP_ASSERT_WITH_CODE(!result,
"Failed to upload PPtable!", return result);
+ /*
+ * If a custom pp table is loaded, set DPMTABLE_OD_UPDATE_VDDC flag.
+ * That effectively disables AVFS feature.
+ */
+ if(hwmgr->hardcode_pp_table != NULL)
+ data->need_update_dpm_table |= DPMTABLE_OD_UPDATE_VDDC;
+
vega10_update_avfs(hwmgr);
data->need_update_dpm_table &= DPMTABLE_OD_UPDATE_VDDC;
diff --git a/drivers/gpu/drm/gma500/cdv_intel_display.c b/drivers/gpu/drm/gma500/cdv_intel_display.c
index 17db4b4749d5..2e8479744ca4 100644
--- a/drivers/gpu/drm/gma500/cdv_intel_display.c
+++ b/drivers/gpu/drm/gma500/cdv_intel_display.c
@@ -415,6 +415,8 @@ static bool cdv_intel_find_dp_pll(const struct gma_limit_t *limit,
struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
struct gma_clock_t clock;
+ memset(&clock, 0, sizeof(clock));
+
switch (refclk) {
case 27000:
if (target < 200000) {
diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
index 1fc9a7fa37b4..d29a58bd2f7a 100644
--- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c
@@ -1474,18 +1474,31 @@ static const struct adreno_gpu_funcs funcs = {
static void check_speed_bin(struct device *dev)
{
struct nvmem_cell *cell;
- u32 bin, val;
+ u32 val;
+
+ /*
+ * If the OPP table specifies a opp-supported-hw property then we have
+ * to set something with dev_pm_opp_set_supported_hw() or the table
+ * doesn't get populated so pick an arbitrary value that should
+ * ensure the default frequencies are selected but not conflict with any
+ * actual bins
+ */
+ val = 0x80;
cell = nvmem_cell_get(dev, "speed_bin");
- /* If a nvmem cell isn't defined, nothing to do */
- if (IS_ERR(cell))
- return;
+ if (!IS_ERR(cell)) {
+ void *buf = nvmem_cell_read(cell, NULL);
+
+ if (!IS_ERR(buf)) {
+ u8 bin = *((u8 *) buf);
- bin = *((u32 *) nvmem_cell_read(cell, NULL));
- nvmem_cell_put(cell);
+ val = (1 << bin);
+ kfree(buf);
+ }
- val = (1 << bin);
+ nvmem_cell_put(cell);
+ }
dev_pm_opp_set_supported_hw(dev, &val, 1);
}
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 7f45486b6650..3ba3ae9749be 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -495,8 +495,10 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
if (!dev->dma_parms) {
dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
GFP_KERNEL);
- if (!dev->dma_parms)
- return -ENOMEM;
+ if (!dev->dma_parms) {
+ ret = -ENOMEM;
+ goto err_msm_uninit;
+ }
}
dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index e06ea8c8184c..1bb0a9f6fa73 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -909,8 +909,10 @@ nv50_mstc_detect(struct drm_connector *connector, bool force)
return connector_status_disconnected;
ret = pm_runtime_get_sync(connector->dev->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(connector->dev->dev);
return connector_status_disconnected;
+ }
conn_status = drm_dp_mst_detect_port(connector, mstc->port->mgr,
mstc->port);
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index 9635704a1d86..4561a786fab0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -161,8 +161,11 @@ nouveau_debugfs_pstate_set(struct file *file, const char __user *ubuf,
}
ret = pm_runtime_get_sync(drm->dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(drm->dev);
return ret;
+ }
+
ret = nvif_mthd(ctrl, NVIF_CONTROL_PSTATE_USER, &args, sizeof(args));
pm_runtime_put_autosuspend(drm->dev);
if (ret < 0)
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 791f970714ed..a98fccb0d32f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -82,8 +82,10 @@ nouveau_gem_object_open(struct drm_gem_object *gem, struct drm_file *file_priv)
return ret;
ret = pm_runtime_get_sync(dev);
- if (ret < 0 && ret != -EACCES)
+ if (ret < 0 && ret != -EACCES) {
+ pm_runtime_put_autosuspend(dev);
goto out;
+ }
ret = nouveau_vma_new(nvbo, &cli->vmm, &vma);
pm_runtime_mark_last_busy(dev);
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
index 9b91da09dc5f..8d9812a51ef6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowpci.c
@@ -101,9 +101,13 @@ platform_init(struct nvkm_bios *bios, const char *name)
else
return ERR_PTR(-ENODEV);
+ if (!pdev->rom || pdev->romlen == 0)
+ return ERR_PTR(-ENODEV);
+
if ((priv = kmalloc(sizeof(*priv), GFP_KERNEL))) {
+ priv->size = pdev->romlen;
if (ret = -ENODEV,
- (priv->rom = pci_platform_rom(pdev, &priv->size)))
+ (priv->rom = ioremap(pdev->rom, pdev->romlen)))
return priv;
kfree(priv);
}
@@ -111,11 +115,20 @@ platform_init(struct nvkm_bios *bios, const char *name)
return ERR_PTR(ret);
}
+static void
+platform_fini(void *data)
+{
+ struct priv *priv = data;
+
+ iounmap(priv->rom);
+ kfree(priv);
+}
+
const struct nvbios_source
nvbios_platform = {
.name = "PLATFORM",
.init = platform_init,
- .fini = (void(*)(void *))kfree,
+ .fini = platform_fini,
.read = pcirom_read,
.rw = true,
};
diff --git a/drivers/gpu/drm/omapdrm/dss/omapdss-boot-init.c b/drivers/gpu/drm/omapdrm/dss/omapdss-boot-init.c
index 3bfb95d230e0..d8fb686c1fda 100644
--- a/drivers/gpu/drm/omapdrm/dss/omapdss-boot-init.c
+++ b/drivers/gpu/drm/omapdrm/dss/omapdss-boot-init.c
@@ -193,7 +193,7 @@ static int __init omapdss_boot_init(void)
dss = of_find_matching_node(NULL, omapdss_of_match);
if (dss == NULL || !of_device_is_available(dss))
- return 0;
+ goto put_node;
omapdss_walk_device(dss, true);
@@ -218,6 +218,8 @@ static int __init omapdss_boot_init(void)
kfree(n);
}
+put_node:
+ of_node_put(dss);
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 04c0ed41374f..dd0528cf9818 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -104,25 +104,33 @@ static bool radeon_read_bios(struct radeon_device *rdev)
static bool radeon_read_platform_bios(struct radeon_device *rdev)
{
- uint8_t __iomem *bios;
- size_t size;
+ phys_addr_t rom = rdev->pdev->rom;
+ size_t romlen = rdev->pdev->romlen;
+ void __iomem *bios;
rdev->bios = NULL;
- bios = pci_platform_rom(rdev->pdev, &size);
- if (!bios) {
+ if (!rom || romlen == 0)
return false;
- }
- if (size == 0 || bios[0] != 0x55 || bios[1] != 0xaa) {
+ rdev->bios = kzalloc(romlen, GFP_KERNEL);
+ if (!rdev->bios)
return false;
- }
- rdev->bios = kmemdup(bios, size, GFP_KERNEL);
- if (rdev->bios == NULL) {
- return false;
- }
+
+ bios = ioremap(rom, romlen);
+ if (!bios)
+ goto free_bios;
+
+ memcpy_fromio(rdev->bios, bios, romlen);
+ iounmap(bios);
+
+ if (rdev->bios[0] != 0x55 || rdev->bios[1] != 0xaa)
+ goto free_bios;
return true;
+free_bios:
+ kfree(rdev->bios);
+ return false;
}
#ifdef CONFIG_ACPI
diff --git a/drivers/gpu/drm/sun4i/sun8i_csc.h b/drivers/gpu/drm/sun4i/sun8i_csc.h
index 880e8fbb0855..242752b2d328 100644
--- a/drivers/gpu/drm/sun4i/sun8i_csc.h
+++ b/drivers/gpu/drm/sun4i/sun8i_csc.h
@@ -14,7 +14,7 @@ struct sun8i_mixer;
/* VI channel CSC units offsets */
#define CCSC00_OFFSET 0xAA050
-#define CCSC01_OFFSET 0xFA000
+#define CCSC01_OFFSET 0xFA050
#define CCSC10_OFFSET 0xA0000
#define CCSC11_OFFSET 0xF0000
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 86b98856756d..116166266457 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -1134,6 +1134,7 @@ static int vc4_hdmi_audio_init(struct vc4_hdmi *hdmi)
card->num_links = 1;
card->name = "vc4-hdmi";
card->dev = dev;
+ card->owner = THIS_MODULE;
/*
* Be careful, snd_soc_register_card() calls dev_set_drvdata() and
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c
index f225bef1e043..41dd0a08a625 100644
--- a/drivers/i2c/i2c-core-base.c
+++ b/drivers/i2c/i2c-core-base.c
@@ -1292,8 +1292,8 @@ static int i2c_register_adapter(struct i2c_adapter *adap)
/* create pre-declared device nodes */
of_i2c_register_devices(adap);
- i2c_acpi_register_devices(adap);
i2c_acpi_install_space_handler(adap);
+ i2c_acpi_register_devices(adap);
if (adap->nr < __i2c_first_dynamic_bus_num)
i2c_scan_static_board_info(adap);
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 64f206e11d49..4ebf63360a69 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -1100,14 +1100,22 @@ static void cm_destroy_id(struct ib_cm_id *cm_id, int err)
break;
}
- spin_lock_irq(&cm.lock);
+ spin_lock_irq(&cm_id_priv->lock);
+ spin_lock(&cm.lock);
+ /* Required for cleanup paths related cm_req_handler() */
+ if (cm_id_priv->timewait_info) {
+ cm_cleanup_timewait(cm_id_priv->timewait_info);
+ kfree(cm_id_priv->timewait_info);
+ cm_id_priv->timewait_info = NULL;
+ }
if (!list_empty(&cm_id_priv->altr_list) &&
(!cm_id_priv->altr_send_port_not_ready))
list_del(&cm_id_priv->altr_list);
if (!list_empty(&cm_id_priv->prim_list) &&
(!cm_id_priv->prim_send_port_not_ready))
list_del(&cm_id_priv->prim_list);
- spin_unlock_irq(&cm.lock);
+ spin_unlock(&cm.lock);
+ spin_unlock_irq(&cm_id_priv->lock);
cm_free_id(cm_id->local_id);
cm_deref_id(cm_id_priv);
@@ -1424,7 +1432,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
/* Verify that we're not in timewait. */
cm_id_priv = container_of(cm_id, struct cm_id_private, id);
spin_lock_irqsave(&cm_id_priv->lock, flags);
- if (cm_id->state != IB_CM_IDLE) {
+ if (cm_id->state != IB_CM_IDLE || WARN_ON(cm_id_priv->timewait_info)) {
spin_unlock_irqrestore(&cm_id_priv->lock, flags);
ret = -EINVAL;
goto out;
@@ -1442,12 +1450,12 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
param->ppath_sgid_attr, &cm_id_priv->av,
cm_id_priv);
if (ret)
- goto error1;
+ goto out;
if (param->alternate_path) {
ret = cm_init_av_by_path(param->alternate_path, NULL,
&cm_id_priv->alt_av, cm_id_priv);
if (ret)
- goto error1;
+ goto out;
}
cm_id->service_id = param->service_id;
cm_id->service_mask = ~cpu_to_be64(0);
@@ -1465,7 +1473,7 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
ret = cm_alloc_msg(cm_id_priv, &cm_id_priv->msg);
if (ret)
- goto error1;
+ goto out;
req_msg = (struct cm_req_msg *) cm_id_priv->msg->mad;
cm_format_req(req_msg, cm_id_priv, param);
@@ -1488,7 +1496,6 @@ int ib_send_cm_req(struct ib_cm_id *cm_id,
return 0;
error2: cm_free_msg(cm_id_priv->msg);
-error1: kfree(cm_id_priv->timewait_info);
out: return ret;
}
EXPORT_SYMBOL(ib_send_cm_req);
@@ -1973,7 +1980,7 @@ static int cm_req_handler(struct cm_work *work)
pr_debug("%s: local_id %d, no listen_cm_id_priv\n", __func__,
be32_to_cpu(cm_id->local_id));
ret = -EINVAL;
- goto free_timeinfo;
+ goto destroy;
}
cm_id_priv->id.cm_handler = listen_cm_id_priv->id.cm_handler;
@@ -2057,8 +2064,6 @@ static int cm_req_handler(struct cm_work *work)
rejected:
atomic_dec(&cm_id_priv->refcount);
cm_deref_id(listen_cm_id_priv);
-free_timeinfo:
- kfree(cm_id_priv->timewait_info);
destroy:
ib_destroy_cm_id(cm_id);
return ret;
diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c
index 16145b0a1458..3fd3dfa3478b 100644
--- a/drivers/infiniband/hw/cxgb4/cm.c
+++ b/drivers/infiniband/hw/cxgb4/cm.c
@@ -3293,7 +3293,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
if (raddr->sin_addr.s_addr == htonl(INADDR_ANY)) {
err = pick_local_ipaddrs(dev, cm_id);
if (err)
- goto fail2;
+ goto fail3;
}
/* find a route */
@@ -3315,7 +3315,7 @@ int c4iw_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
if (ipv6_addr_type(&raddr6->sin6_addr) == IPV6_ADDR_ANY) {
err = pick_local_ip6addrs(dev, cm_id);
if (err)
- goto fail2;
+ goto fail3;
}
/* find a route */
diff --git a/drivers/infiniband/hw/i40iw/i40iw_cm.c b/drivers/infiniband/hw/i40iw/i40iw_cm.c
index 4321b9e3dbb4..0273d0404e74 100644
--- a/drivers/infiniband/hw/i40iw/i40iw_cm.c
+++ b/drivers/infiniband/hw/i40iw/i40iw_cm.c
@@ -2071,9 +2071,9 @@ static int i40iw_addr_resolve_neigh_ipv6(struct i40iw_device *iwdev,
dst = i40iw_get_dst_ipv6(&src_addr, &dst_addr);
if (!dst || dst->error) {
if (dst) {
- dst_release(dst);
i40iw_pr_err("ip6_route_output returned dst->error = %d\n",
dst->error);
+ dst_release(dst);
}
return rc;
}
diff --git a/drivers/infiniband/hw/qedr/qedr_iw_cm.c b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
index 256671577367..e908dfbaa137 100644
--- a/drivers/infiniband/hw/qedr/qedr_iw_cm.c
+++ b/drivers/infiniband/hw/qedr/qedr_iw_cm.c
@@ -460,10 +460,10 @@ qedr_addr6_resolve(struct qedr_dev *dev,
if ((!dst) || dst->error) {
if (dst) {
- dst_release(dst);
DP_ERR(dev,
"ip6_route_output returned dst->error = %d\n",
dst->error);
+ dst_release(dst);
}
return -EINVAL;
}
diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c
index 94dedabe648c..6589ff51eaf5 100644
--- a/drivers/infiniband/sw/rxe/rxe.c
+++ b/drivers/infiniband/sw/rxe/rxe.c
@@ -121,6 +121,8 @@ static void rxe_init_device_param(struct rxe_dev *rxe)
rxe->attr.max_fast_reg_page_list_len = RXE_MAX_FMR_PAGE_LIST_LEN;
rxe->attr.max_pkeys = RXE_MAX_PKEYS;
rxe->attr.local_ca_ack_delay = RXE_LOCAL_CA_ACK_DELAY;
+ addrconf_addr_eui48((unsigned char *)&rxe->attr.sys_image_guid,
+ rxe->ndev->dev_addr);
rxe->max_ucontext = RXE_MAX_UCONTEXT;
}
diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c
index 230697fa31fe..8a22ab8b29e9 100644
--- a/drivers/infiniband/sw/rxe/rxe_qp.c
+++ b/drivers/infiniband/sw/rxe/rxe_qp.c
@@ -583,15 +583,16 @@ int rxe_qp_from_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask,
int err;
if (mask & IB_QP_MAX_QP_RD_ATOMIC) {
- int max_rd_atomic = __roundup_pow_of_two(attr->max_rd_atomic);
+ int max_rd_atomic = attr->max_rd_atomic ?
+ roundup_pow_of_two(attr->max_rd_atomic) : 0;
qp->attr.max_rd_atomic = max_rd_atomic;
atomic_set(&qp->req.rd_atomic, max_rd_atomic);
}
if (mask & IB_QP_MAX_DEST_RD_ATOMIC) {
- int max_dest_rd_atomic =
- __roundup_pow_of_two(attr->max_dest_rd_atomic);
+ int max_dest_rd_atomic = attr->max_dest_rd_atomic ?
+ roundup_pow_of_two(attr->max_dest_rd_atomic) : 0;
qp->attr.max_dest_rd_atomic = max_dest_rd_atomic;
diff --git a/drivers/leds/leds-mlxreg.c b/drivers/leds/leds-mlxreg.c
index 1ee48cb21df9..022e973dc7c3 100644
--- a/drivers/leds/leds-mlxreg.c
+++ b/drivers/leds/leds-mlxreg.c
@@ -209,8 +209,8 @@ static int mlxreg_led_config(struct mlxreg_led_priv_data *priv)
brightness = LED_OFF;
led_data->base_color = MLXREG_LED_GREEN_SOLID;
}
- sprintf(led_data->led_cdev_name, "%s:%s", "mlxreg",
- data->label);
+ snprintf(led_data->led_cdev_name, sizeof(led_data->led_cdev_name),
+ "mlxreg:%s", data->label);
led_cdev->name = led_data->led_cdev_name;
led_cdev->brightness = brightness;
led_cdev->max_brightness = LED_ON;
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index 1cc6ae3e058c..6a380ed4919a 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -585,6 +585,7 @@ struct cache_set {
*/
wait_queue_head_t btree_cache_wait;
struct task_struct *btree_cache_alloc_lock;
+ spinlock_t btree_cannibalize_lock;
/*
* When we free a btree node, we increment the gen of the bucket the
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index d320574b9a4c..e388e7bb7b5d 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -876,15 +876,17 @@ static struct btree *mca_find(struct cache_set *c, struct bkey *k)
static int mca_cannibalize_lock(struct cache_set *c, struct btree_op *op)
{
- struct task_struct *old;
-
- old = cmpxchg(&c->btree_cache_alloc_lock, NULL, current);
- if (old && old != current) {
+ spin_lock(&c->btree_cannibalize_lock);
+ if (likely(c->btree_cache_alloc_lock == NULL)) {
+ c->btree_cache_alloc_lock = current;
+ } else if (c->btree_cache_alloc_lock != current) {
if (op)
prepare_to_wait(&c->btree_cache_wait, &op->wait,
TASK_UNINTERRUPTIBLE);
+ spin_unlock(&c->btree_cannibalize_lock);
return -EINTR;
}
+ spin_unlock(&c->btree_cannibalize_lock);
return 0;
}
@@ -919,10 +921,12 @@ static struct btree *mca_cannibalize(struct cache_set *c, struct btree_op *op,
*/
static void bch_cannibalize_unlock(struct cache_set *c)
{
+ spin_lock(&c->btree_cannibalize_lock);
if (c->btree_cache_alloc_lock == current) {
c->btree_cache_alloc_lock = NULL;
wake_up(&c->btree_cache_wait);
}
+ spin_unlock(&c->btree_cannibalize_lock);
}
static struct btree *mca_alloc(struct cache_set *c, struct btree_op *op,
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 825bfde10c69..7787ec42f81e 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1737,6 +1737,7 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
sema_init(&c->sb_write_mutex, 1);
mutex_init(&c->bucket_lock);
init_waitqueue_head(&c->btree_cache_wait);
+ spin_lock_init(&c->btree_cannibalize_lock);
init_waitqueue_head(&c->bucket_wait);
init_waitqueue_head(&c->gc_wait);
sema_init(&c->uuid_write_mutex, 1);
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c
index 097c42d3f8c2..df0c7243eafe 100644
--- a/drivers/media/dvb-frontends/tda10071.c
+++ b/drivers/media/dvb-frontends/tda10071.c
@@ -483,10 +483,11 @@ static int tda10071_read_status(struct dvb_frontend *fe, enum fe_status *status)
goto error;
if (dev->delivery_system == SYS_DVBS) {
- dev->dvbv3_ber = buf[0] << 24 | buf[1] << 16 |
- buf[2] << 8 | buf[3] << 0;
- dev->post_bit_error += buf[0] << 24 | buf[1] << 16 |
- buf[2] << 8 | buf[3] << 0;
+ u32 bit_error = buf[0] << 24 | buf[1] << 16 |
+ buf[2] << 8 | buf[3] << 0;
+
+ dev->dvbv3_ber = bit_error;
+ dev->post_bit_error += bit_error;
c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
c->post_bit_error.stat[0].uvalue = dev->post_bit_error;
dev->block_error += buf[4] << 8 | buf[5] << 0;
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 4731e1c72f96..0a434bdce3b3 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2337,11 +2337,12 @@ smiapp_sysfs_nvm_read(struct device *dev, struct device_attribute *attr,
if (rval < 0) {
if (rval != -EBUSY && rval != -EAGAIN)
pm_runtime_set_active(&client->dev);
- pm_runtime_put(&client->dev);
+ pm_runtime_put_noidle(&client->dev);
return -ENODEV;
}
if (smiapp_read_nvm(sensor, sensor->nvm)) {
+ pm_runtime_put(&client->dev);
dev_err(&client->dev, "nvm read failed\n");
return -ENODEV;
}
diff --git a/drivers/media/media-device.c b/drivers/media/media-device.c
index ed518b1f82e4..d04ed438a45d 100644
--- a/drivers/media/media-device.c
+++ b/drivers/media/media-device.c
@@ -568,6 +568,38 @@ static void media_device_release(struct media_devnode *devnode)
dev_dbg(devnode->parent, "Media device released\n");
}
+static void __media_device_unregister_entity(struct media_entity *entity)
+{
+ struct media_device *mdev = entity->graph_obj.mdev;
+ struct media_link *link, *tmp;
+ struct media_interface *intf;
+ unsigned int i;
+
+ ida_free(&mdev->entity_internal_idx, entity->internal_idx);
+
+ /* Remove all interface links pointing to this entity */
+ list_for_each_entry(intf, &mdev->interfaces, graph_obj.list) {
+ list_for_each_entry_safe(link, tmp, &intf->links, list) {
+ if (link->entity == entity)
+ __media_remove_intf_link(link);
+ }
+ }
+
+ /* Remove all data links that belong to this entity */
+ __media_entity_remove_links(entity);
+
+ /* Remove all pads that belong to this entity */
+ for (i = 0; i < entity->num_pads; i++)
+ media_gobj_destroy(&entity->pads[i].graph_obj);
+
+ /* Remove the entity */
+ media_gobj_destroy(&entity->graph_obj);
+
+ /* invoke entity_notify callbacks to handle entity removal?? */
+
+ entity->graph_obj.mdev = NULL;
+}
+
/**
* media_device_register_entity - Register an entity with a media device
* @mdev: The media device
@@ -625,6 +657,7 @@ int __must_check media_device_register_entity(struct media_device *mdev,
*/
ret = media_graph_walk_init(&new, mdev);
if (ret) {
+ __media_device_unregister_entity(entity);
mutex_unlock(&mdev->graph_mutex);
return ret;
}
@@ -637,38 +670,6 @@ int __must_check media_device_register_entity(struct media_device *mdev,
}
EXPORT_SYMBOL_GPL(media_device_register_entity);
-static void __media_device_unregister_entity(struct media_entity *entity)
-{
- struct media_device *mdev = entity->graph_obj.mdev;
- struct media_link *link, *tmp;
- struct media_interface *intf;
- unsigned int i;
-
- ida_free(&mdev->entity_internal_idx, entity->internal_idx);
-
- /* Remove all interface links pointing to this entity */
- list_for_each_entry(intf, &mdev->interfaces, graph_obj.list) {
- list_for_each_entry_safe(link, tmp, &intf->links, list) {
- if (link->entity == entity)
- __media_remove_intf_link(link);
- }
- }
-
- /* Remove all data links that belong to this entity */
- __media_entity_remove_links(entity);
-
- /* Remove all pads that belong to this entity */
- for (i = 0; i < entity->num_pads; i++)
- media_gobj_destroy(&entity->pads[i].graph_obj);
-
- /* Remove the entity */
- media_gobj_destroy(&entity->graph_obj);
-
- /* invoke entity_notify callbacks to handle entity removal?? */
-
- entity->graph_obj.mdev = NULL;
-}
-
void media_device_unregister_entity(struct media_entity *entity)
{
struct media_device *mdev = entity->graph_obj.mdev;
diff --git a/drivers/media/platform/ti-vpe/cal.c b/drivers/media/platform/ti-vpe/cal.c
index be3155275a6b..d945323fc437 100644
--- a/drivers/media/platform/ti-vpe/cal.c
+++ b/drivers/media/platform/ti-vpe/cal.c
@@ -684,12 +684,13 @@ static void pix_proc_config(struct cal_ctx *ctx)
}
static void cal_wr_dma_config(struct cal_ctx *ctx,
- unsigned int width)
+ unsigned int width, unsigned int height)
{
u32 val;
val = reg_read(ctx->dev, CAL_WR_DMA_CTRL(ctx->csi2_port));
set_field(&val, ctx->csi2_port, CAL_WR_DMA_CTRL_CPORT_MASK);
+ set_field(&val, height, CAL_WR_DMA_CTRL_YSIZE_MASK);
set_field(&val, CAL_WR_DMA_CTRL_DTAG_PIX_DAT,
CAL_WR_DMA_CTRL_DTAG_MASK);
set_field(&val, CAL_WR_DMA_CTRL_MODE_CONST,
@@ -1315,7 +1316,8 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count)
csi2_lane_config(ctx);
csi2_ctx_config(ctx);
pix_proc_config(ctx);
- cal_wr_dma_config(ctx, ctx->v_fmt.fmt.pix.bytesperline);
+ cal_wr_dma_config(ctx, ctx->v_fmt.fmt.pix.bytesperline,
+ ctx->v_fmt.fmt.pix.height);
cal_wr_dma_addr(ctx, addr);
csi2_ppi_enable(ctx);
diff --git a/drivers/media/usb/go7007/go7007-usb.c b/drivers/media/usb/go7007/go7007-usb.c
index 19c6a0354ce0..b84a6f654861 100644
--- a/drivers/media/usb/go7007/go7007-usb.c
+++ b/drivers/media/usb/go7007/go7007-usb.c
@@ -1052,6 +1052,7 @@ static int go7007_usb_probe(struct usb_interface *intf,
struct go7007_usb *usb;
const struct go7007_usb_board *board;
struct usb_device *usbdev = interface_to_usbdev(intf);
+ struct usb_host_endpoint *ep;
unsigned num_i2c_devs;
char *name;
int video_pipe, i, v_urb_len;
@@ -1148,7 +1149,8 @@ static int go7007_usb_probe(struct usb_interface *intf,
if (usb->intr_urb->transfer_buffer == NULL)
goto allocfail;
- if (go->board_id == GO7007_BOARDID_SENSORAY_2250)
+ ep = usb->usbdev->ep_in[4];
+ if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK)
usb_fill_bulk_urb(usb->intr_urb, usb->usbdev,
usb_rcvbulkpipe(usb->usbdev, 4),
usb->intr_urb->transfer_buffer, 2*sizeof(u16),
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index 182973df1aed..77c965c6a65f 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -32,6 +32,11 @@ int mfd_cell_enable(struct platform_device *pdev)
const struct mfd_cell *cell = mfd_get_cell(pdev);
int err = 0;
+ if (!cell->enable) {
+ dev_dbg(&pdev->dev, "No .enable() call-back registered\n");
+ return 0;
+ }
+
/* only call enable hook if the cell wasn't previously enabled */
if (atomic_inc_return(cell->usage_count) == 1)
err = cell->enable(pdev);
@@ -49,6 +54,11 @@ int mfd_cell_disable(struct platform_device *pdev)
const struct mfd_cell *cell = mfd_get_cell(pdev);
int err = 0;
+ if (!cell->disable) {
+ dev_dbg(&pdev->dev, "No .disable() call-back registered\n");
+ return 0;
+ }
+
/* only disable if no other clients are using it */
if (atomic_dec_return(cell->usage_count) == 0)
err = cell->disable(pdev);
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 5ca53e225382..4b18034537f5 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -300,7 +300,7 @@ static void mmc_manage_enhanced_area(struct mmc_card *card, u8 *ext_csd)
}
}
-static void mmc_part_add(struct mmc_card *card, unsigned int size,
+static void mmc_part_add(struct mmc_card *card, u64 size,
unsigned int part_cfg, char *name, int idx, bool ro,
int area_type)
{
@@ -316,7 +316,7 @@ static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd)
{
int idx;
u8 hc_erase_grp_sz, hc_wp_grp_sz;
- unsigned int part_size;
+ u64 part_size;
/*
* General purpose partition feature support --
@@ -346,8 +346,7 @@ static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd)
(ext_csd[EXT_CSD_GP_SIZE_MULT + idx * 3 + 1]
<< 8) +
ext_csd[EXT_CSD_GP_SIZE_MULT + idx * 3];
- part_size *= (size_t)(hc_erase_grp_sz *
- hc_wp_grp_sz);
+ part_size *= (hc_erase_grp_sz * hc_wp_grp_sz);
mmc_part_add(card, part_size << 19,
EXT_CSD_PART_CONFIG_ACC_GP0 + idx,
"gp%d", idx, false,
@@ -365,7 +364,7 @@ static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd)
static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
{
int err = 0, idx;
- unsigned int part_size;
+ u64 part_size;
struct device_node *np;
bool broken_hpi = false;
diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
index 1dbc9554a078..3ab75d3e2ce3 100644
--- a/drivers/mtd/chips/cfi_cmdset_0002.c
+++ b/drivers/mtd/chips/cfi_cmdset_0002.c
@@ -727,7 +727,6 @@ static struct mtd_info *cfi_amdstd_setup(struct mtd_info *mtd)
kfree(mtd->eraseregions);
kfree(mtd);
kfree(cfi->cmdset_priv);
- kfree(cfi->cfiq);
return NULL;
}
diff --git a/drivers/mtd/cmdlinepart.c b/drivers/mtd/cmdlinepart.c
index 3ea44cff9b75..c29205ee82e2 100644
--- a/drivers/mtd/cmdlinepart.c
+++ b/drivers/mtd/cmdlinepart.c
@@ -231,12 +231,29 @@ static int mtdpart_setup_real(char *s)
struct cmdline_mtd_partition *this_mtd;
struct mtd_partition *parts;
int mtd_id_len, num_parts;
- char *p, *mtd_id;
+ char *p, *mtd_id, *semicol;
+
+ /*
+ * Replace the first ';' by a NULL char so strrchr can work
+ * properly.
+ */
+ semicol = strchr(s, ';');
+ if (semicol)
+ *semicol = '\0';
mtd_id = s;
- /* fetch <mtd-id> */
- p = strchr(s, ':');
+ /*
+ * fetch <mtd-id>. We use strrchr to ignore all ':' that could
+ * be present in the MTD name, only the last one is interpreted
+ * as an <mtd-id>/<part-definition> separator.
+ */
+ p = strrchr(s, ':');
+
+ /* Restore the ';' now. */
+ if (semicol)
+ *semicol = ';';
+
if (!p) {
pr_err("no mtd-id\n");
return -EINVAL;
diff --git a/drivers/mtd/nand/raw/omap_elm.c b/drivers/mtd/nand/raw/omap_elm.c
index a3f32f939cc1..6736777a4156 100644
--- a/drivers/mtd/nand/raw/omap_elm.c
+++ b/drivers/mtd/nand/raw/omap_elm.c
@@ -421,6 +421,7 @@ static int elm_probe(struct platform_device *pdev)
pm_runtime_enable(&pdev->dev);
if (pm_runtime_get_sync(&pdev->dev) < 0) {
ret = -EINVAL;
+ pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
dev_err(&pdev->dev, "can't enable clock\n");
return ret;
diff --git a/drivers/mtd/ubi/fastmap-wl.c b/drivers/mtd/ubi/fastmap-wl.c
index 98f7d6be8d1f..e08f6b4637dd 100644
--- a/drivers/mtd/ubi/fastmap-wl.c
+++ b/drivers/mtd/ubi/fastmap-wl.c
@@ -48,6 +48,13 @@ static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root)
return victim;
}
+static inline void return_unused_peb(struct ubi_device *ubi,
+ struct ubi_wl_entry *e)
+{
+ wl_tree_add(e, &ubi->free);
+ ubi->free_count++;
+}
+
/**
* return_unused_pool_pebs - returns unused PEB to the free tree.
* @ubi: UBI device description object
@@ -61,23 +68,10 @@ static void return_unused_pool_pebs(struct ubi_device *ubi,
for (i = pool->used; i < pool->size; i++) {
e = ubi->lookuptbl[pool->pebs[i]];
- wl_tree_add(e, &ubi->free);
- ubi->free_count++;
+ return_unused_peb(ubi, e);
}
}
-static int anchor_pebs_available(struct rb_root *root)
-{
- struct rb_node *p;
- struct ubi_wl_entry *e;
-
- ubi_rb_for_each_entry(p, e, root, u.rb)
- if (e->pnum < UBI_FM_MAX_START)
- return 1;
-
- return 0;
-}
-
/**
* ubi_wl_get_fm_peb - find a physical erase block with a given maximal number.
* @ubi: UBI device description object
@@ -286,8 +280,26 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi)
int ubi_ensure_anchor_pebs(struct ubi_device *ubi)
{
struct ubi_work *wrk;
+ struct ubi_wl_entry *anchor;
spin_lock(&ubi->wl_lock);
+
+ /* Do we already have an anchor? */
+ if (ubi->fm_anchor) {
+ spin_unlock(&ubi->wl_lock);
+ return 0;
+ }
+
+ /* See if we can find an anchor PEB on the list of free PEBs */
+ anchor = ubi_wl_get_fm_peb(ubi, 1);
+ if (anchor) {
+ ubi->fm_anchor = anchor;
+ spin_unlock(&ubi->wl_lock);
+ return 0;
+ }
+
+ /* No luck, trigger wear leveling to produce a new anchor PEB */
+ ubi->fm_do_produce_anchor = 1;
if (ubi->wl_scheduled) {
spin_unlock(&ubi->wl_lock);
return 0;
@@ -303,7 +315,6 @@ int ubi_ensure_anchor_pebs(struct ubi_device *ubi)
return -ENOMEM;
}
- wrk->anchor = 1;
wrk->func = &wear_leveling_worker;
__schedule_ubi_work(ubi, wrk);
return 0;
@@ -365,6 +376,11 @@ static void ubi_fastmap_close(struct ubi_device *ubi)
return_unused_pool_pebs(ubi, &ubi->fm_pool);
return_unused_pool_pebs(ubi, &ubi->fm_wl_pool);
+ if (ubi->fm_anchor) {
+ return_unused_peb(ubi, ubi->fm_anchor);
+ ubi->fm_anchor = NULL;
+ }
+
if (ubi->fm) {
for (i = 0; i < ubi->fm->used_blocks; i++)
kfree(ubi->fm->e[i]);
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 8e292992f84c..b88ef875236c 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -1552,14 +1552,6 @@ int ubi_update_fastmap(struct ubi_device *ubi)
return 0;
}
- ret = ubi_ensure_anchor_pebs(ubi);
- if (ret) {
- up_write(&ubi->fm_eba_sem);
- up_write(&ubi->work_sem);
- up_write(&ubi->fm_protect);
- return ret;
- }
-
new_fm = kzalloc(sizeof(*new_fm), GFP_KERNEL);
if (!new_fm) {
up_write(&ubi->fm_eba_sem);
@@ -1630,7 +1622,8 @@ int ubi_update_fastmap(struct ubi_device *ubi)
}
spin_lock(&ubi->wl_lock);
- tmp_e = ubi_wl_get_fm_peb(ubi, 1);
+ tmp_e = ubi->fm_anchor;
+ ubi->fm_anchor = NULL;
spin_unlock(&ubi->wl_lock);
if (old_fm) {
@@ -1682,6 +1675,9 @@ int ubi_update_fastmap(struct ubi_device *ubi)
up_write(&ubi->work_sem);
up_write(&ubi->fm_protect);
kfree(old_fm);
+
+ ubi_ensure_anchor_pebs(ubi);
+
return ret;
err:
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index d47b9e436e67..d248ec371cc1 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -504,6 +504,8 @@ struct ubi_debug_info {
* @fm_work: fastmap work queue
* @fm_work_scheduled: non-zero if fastmap work was scheduled
* @fast_attach: non-zero if UBI was attached by fastmap
+ * @fm_anchor: The next anchor PEB to use for fastmap
+ * @fm_do_produce_anchor: If true produce an anchor PEB in wl
*
* @used: RB-tree of used physical eraseblocks
* @erroneous: RB-tree of erroneous used physical eraseblocks
@@ -612,6 +614,8 @@ struct ubi_device {
struct work_struct fm_work;
int fm_work_scheduled;
int fast_attach;
+ struct ubi_wl_entry *fm_anchor;
+ int fm_do_produce_anchor;
/* Wear-leveling sub-system's stuff */
struct rb_root used;
@@ -802,7 +806,6 @@ struct ubi_attach_info {
* @vol_id: the volume ID on which this erasure is being performed
* @lnum: the logical eraseblock number
* @torture: if the physical eraseblock has to be tortured
- * @anchor: produce a anchor PEB to by used by fastmap
*
* The @func pointer points to the worker function. If the @shutdown argument is
* not zero, the worker has to free the resources and exit immediately as the
@@ -818,7 +821,6 @@ struct ubi_work {
int vol_id;
int lnum;
int torture;
- int anchor;
};
#include "debug.h"
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 6f2ac865ff05..80d64d7e7a8b 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -331,13 +331,6 @@ static struct ubi_wl_entry *find_wl_entry(struct ubi_device *ubi,
}
}
- /* If no fastmap has been written and this WL entry can be used
- * as anchor PEB, hold it back and return the second best WL entry
- * such that fastmap can use the anchor PEB later. */
- if (prev_e && !ubi->fm_disabled &&
- !ubi->fm && e->pnum < UBI_FM_MAX_START)
- return prev_e;
-
return e;
}
@@ -648,9 +641,6 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
{
int err, scrubbing = 0, torture = 0, protect = 0, erroneous = 0;
int erase = 0, keep = 0, vol_id = -1, lnum = -1;
-#ifdef CONFIG_MTD_UBI_FASTMAP
- int anchor = wrk->anchor;
-#endif
struct ubi_wl_entry *e1, *e2;
struct ubi_vid_io_buf *vidb;
struct ubi_vid_hdr *vid_hdr;
@@ -690,11 +680,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
}
#ifdef CONFIG_MTD_UBI_FASTMAP
- /* Check whether we need to produce an anchor PEB */
- if (!anchor)
- anchor = !anchor_pebs_available(&ubi->free);
-
- if (anchor) {
+ if (ubi->fm_do_produce_anchor) {
e1 = find_anchor_wl_entry(&ubi->used);
if (!e1)
goto out_cancel;
@@ -705,6 +691,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk,
self_check_in_wl_tree(ubi, e1, &ubi->used);
rb_erase(&e1->u.rb, &ubi->used);
dbg_wl("anchor-move PEB %d to PEB %d", e1->pnum, e2->pnum);
+ ubi->fm_do_produce_anchor = 0;
} else if (!ubi->scrub.rb_node) {
#else
if (!ubi->scrub.rb_node) {
@@ -1037,7 +1024,6 @@ static int ensure_wear_leveling(struct ubi_device *ubi, int nested)
goto out_cancel;
}
- wrk->anchor = 0;
wrk->func = &wear_leveling_worker;
if (nested)
__schedule_ubi_work(ubi, wrk);
@@ -1079,8 +1065,15 @@ static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
err = sync_erase(ubi, e, wl_wrk->torture);
if (!err) {
spin_lock(&ubi->wl_lock);
- wl_tree_add(e, &ubi->free);
- ubi->free_count++;
+
+ if (!ubi->fm_anchor && e->pnum < UBI_FM_MAX_START) {
+ ubi->fm_anchor = e;
+ ubi->fm_do_produce_anchor = 0;
+ } else {
+ wl_tree_add(e, &ubi->free);
+ ubi->free_count++;
+ }
+
spin_unlock(&ubi->wl_lock);
/*
@@ -1724,6 +1717,9 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
if (err)
goto out_free;
+#ifdef CONFIG_MTD_UBI_FASTMAP
+ ubi_ensure_anchor_pebs(ubi);
+#endif
return 0;
out_free:
diff --git a/drivers/mtd/ubi/wl.h b/drivers/mtd/ubi/wl.h
index a9e2d669acd8..c93a53293786 100644
--- a/drivers/mtd/ubi/wl.h
+++ b/drivers/mtd/ubi/wl.h
@@ -2,7 +2,6 @@
#ifndef UBI_WL_H
#define UBI_WL_H
#ifdef CONFIG_MTD_UBI_FASTMAP
-static int anchor_pebs_available(struct rb_root *root);
static void update_fastmap_work_fn(struct work_struct *wrk);
static struct ubi_wl_entry *find_anchor_wl_entry(struct rb_root *root);
static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi);
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 47b867c64b14..195108858f38 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -542,8 +542,13 @@ void e1000_reinit_locked(struct e1000_adapter *adapter)
WARN_ON(in_interrupt());
while (test_and_set_bit(__E1000_RESETTING, &adapter->flags))
msleep(1);
- e1000_down(adapter);
- e1000_up(adapter);
+
+ /* only run the task if not already down */
+ if (!test_bit(__E1000_DOWN, &adapter->flags)) {
+ e1000_down(adapter);
+ e1000_up(adapter);
+ }
+
clear_bit(__E1000_RESETTING, &adapter->flags);
}
@@ -1433,10 +1438,15 @@ int e1000_close(struct net_device *netdev)
struct e1000_hw *hw = &adapter->hw;
int count = E1000_CHECK_RESET_COUNT;
- while (test_bit(__E1000_RESETTING, &adapter->flags) && count--)
+ while (test_and_set_bit(__E1000_RESETTING, &adapter->flags) && count--)
usleep_range(10000, 20000);
- WARN_ON(test_bit(__E1000_RESETTING, &adapter->flags));
+ WARN_ON(count < 0);
+
+ /* signal that we're down so that the reset task will no longer run */
+ set_bit(__E1000_DOWN, &adapter->flags);
+ clear_bit(__E1000_RESETTING, &adapter->flags);
+
e1000_down(adapter);
e1000_power_down_phy(adapter);
e1000_free_irq(adapter);
diff --git a/drivers/net/ethernet/qlogic/qed/qed_sriov.c b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
index 71a7af134dd8..886c7aae662f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_sriov.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_sriov.c
@@ -96,6 +96,7 @@ static int qed_sp_vf_start(struct qed_hwfn *p_hwfn, struct qed_vf_info *p_vf)
p_ramrod->personality = PERSONALITY_ETH;
break;
case QED_PCI_ETH_ROCE:
+ case QED_PCI_ETH_IWARP:
p_ramrod->personality = PERSONALITY_RDMA_AND_ETH;
break;
default:
diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c
index 71be8524cca8..a686926bba71 100644
--- a/drivers/net/ieee802154/adf7242.c
+++ b/drivers/net/ieee802154/adf7242.c
@@ -883,7 +883,9 @@ static int adf7242_rx(struct adf7242_local *lp)
int ret;
u8 lqi, len_u8, *data;
- adf7242_read_reg(lp, 0, &len_u8);
+ ret = adf7242_read_reg(lp, 0, &len_u8);
+ if (ret)
+ return ret;
len = len_u8;
diff --git a/drivers/net/ieee802154/ca8210.c b/drivers/net/ieee802154/ca8210.c
index 38a41651e451..deace0aadad2 100644
--- a/drivers/net/ieee802154/ca8210.c
+++ b/drivers/net/ieee802154/ca8210.c
@@ -2923,6 +2923,7 @@ static int ca8210_dev_com_init(struct ca8210_priv *priv)
);
if (!priv->irq_workqueue) {
dev_crit(&priv->spi->dev, "alloc of irq_workqueue failed!\n");
+ destroy_workqueue(priv->mlme_workqueue);
return -ENOMEM;
}
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index da2d179430ca..4c57e79e5779 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -1770,6 +1770,8 @@ static const struct usb_device_id ar5523_id_table[] = {
AR5523_DEVICE_UX(0x0846, 0x4300), /* Netgear / WG111U */
AR5523_DEVICE_UG(0x0846, 0x4250), /* Netgear / WG111T */
AR5523_DEVICE_UG(0x0846, 0x5f00), /* Netgear / WPN111 */
+ AR5523_DEVICE_UG(0x083a, 0x4506), /* SMC / EZ Connect
+ SMCWUSBT-G2 */
AR5523_DEVICE_UG(0x157e, 0x3006), /* Umedia / AR5523_1 */
AR5523_DEVICE_UX(0x157e, 0x3205), /* Umedia / AR5523_2 */
AR5523_DEVICE_UG(0x157e, 0x3006), /* Umedia / TEW444UBEU */
diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 0baaad90b8d1..4e980e78ba95 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -1521,7 +1521,7 @@ static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats,
*len += scnprintf(buf + *len, buf_len - *len,
"No. Preamble Rate_code ");
- for (i = 0; i < WMI_TPC_TX_N_CHAIN; i++)
+ for (i = 0; i < tpc_stats->num_tx_chain; i++)
*len += scnprintf(buf + *len, buf_len - *len,
"tpc_value%d ", i);
@@ -2365,6 +2365,7 @@ void ath10k_debug_destroy(struct ath10k *ar)
ath10k_debug_fw_stats_reset(ar);
kfree(ar->debug.tpc_stats);
+ kfree(ar->debug.tpc_stats_final);
}
int ath10k_debug_register(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c
index 0ecaba824fb2..0cdaecb0e28a 100644
--- a/drivers/net/wireless/ath/ath10k/sdio.c
+++ b/drivers/net/wireless/ath/ath10k/sdio.c
@@ -1567,23 +1567,33 @@ static int ath10k_sdio_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
size_t buf_len)
{
int ret;
+ void *mem;
+
+ mem = kzalloc(buf_len, GFP_KERNEL);
+ if (!mem)
+ return -ENOMEM;
/* set window register to start read cycle */
ret = ath10k_sdio_write32(ar, MBOX_WINDOW_READ_ADDR_ADDRESS, address);
if (ret) {
ath10k_warn(ar, "failed to set mbox window read address: %d", ret);
- return ret;
+ goto out;
}
/* read the data */
- ret = ath10k_sdio_read(ar, MBOX_WINDOW_DATA_ADDRESS, buf, buf_len);
+ ret = ath10k_sdio_read(ar, MBOX_WINDOW_DATA_ADDRESS, mem, buf_len);
if (ret) {
ath10k_warn(ar, "failed to read from mbox window data address: %d\n",
ret);
- return ret;
+ goto out;
}
- return 0;
+ memcpy(buf, mem, buf_len);
+
+out:
+ kfree(mem);
+
+ return ret;
}
static int ath10k_sdio_hif_diag_read32(struct ath10k *ar, u32 address,
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 3372dfa0decc..3f3fbee631c3 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -4550,16 +4550,13 @@ static void ath10k_tpc_config_disp_tables(struct ath10k *ar,
}
pream_idx = 0;
- for (i = 0; i < __le32_to_cpu(ev->rate_max); i++) {
+ for (i = 0; i < tpc_stats->rate_max; i++) {
memset(tpc_value, 0, sizeof(tpc_value));
memset(buff, 0, sizeof(buff));
if (i == pream_table[pream_idx])
pream_idx++;
- for (j = 0; j < WMI_TPC_TX_N_CHAIN; j++) {
- if (j >= __le32_to_cpu(ev->num_tx_chain))
- break;
-
+ for (j = 0; j < tpc_stats->num_tx_chain; j++) {
tpc[j] = ath10k_tpc_config_get_rate(ar, ev, i, j + 1,
rate_code[i],
type);
@@ -4672,7 +4669,7 @@ void ath10k_wmi_tpc_config_get_rate_code(u8 *rate_code, u16 *pream_table,
void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
{
- u32 num_tx_chain;
+ u32 num_tx_chain, rate_max;
u8 rate_code[WMI_TPC_RATE_MAX];
u16 pream_table[WMI_TPC_PREAM_TABLE_MAX];
struct wmi_pdev_tpc_config_event *ev;
@@ -4688,6 +4685,13 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
return;
}
+ rate_max = __le32_to_cpu(ev->rate_max);
+ if (rate_max > WMI_TPC_RATE_MAX) {
+ ath10k_warn(ar, "number of rate is %d greater than TPC configured rate %d\n",
+ rate_max, WMI_TPC_RATE_MAX);
+ rate_max = WMI_TPC_RATE_MAX;
+ }
+
tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC);
if (!tpc_stats)
return;
@@ -4704,8 +4708,8 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
__le32_to_cpu(ev->twice_antenna_reduction);
tpc_stats->power_limit = __le32_to_cpu(ev->power_limit);
tpc_stats->twice_max_rd_power = __le32_to_cpu(ev->twice_max_rd_power);
- tpc_stats->num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
- tpc_stats->rate_max = __le32_to_cpu(ev->rate_max);
+ tpc_stats->num_tx_chain = num_tx_chain;
+ tpc_stats->rate_max = rate_max;
ath10k_tpc_config_disp_tables(ar, ev, tpc_stats,
rate_code, pream_table,
@@ -4900,16 +4904,13 @@ ath10k_wmi_tpc_stats_final_disp_tables(struct ath10k *ar,
}
pream_idx = 0;
- for (i = 0; i < __le32_to_cpu(ev->rate_max); i++) {
+ for (i = 0; i < tpc_stats->rate_max; i++) {
memset(tpc_value, 0, sizeof(tpc_value));
memset(buff, 0, sizeof(buff));
if (i == pream_table[pream_idx])
pream_idx++;
- for (j = 0; j < WMI_TPC_TX_N_CHAIN; j++) {
- if (j >= __le32_to_cpu(ev->num_tx_chain))
- break;
-
+ for (j = 0; j < tpc_stats->num_tx_chain; j++) {
tpc[j] = ath10k_wmi_tpc_final_get_rate(ar, ev, i, j + 1,
rate_code[i],
type, pream_idx);
@@ -4925,7 +4926,7 @@ ath10k_wmi_tpc_stats_final_disp_tables(struct ath10k *ar,
void ath10k_wmi_event_tpc_final_table(struct ath10k *ar, struct sk_buff *skb)
{
- u32 num_tx_chain;
+ u32 num_tx_chain, rate_max;
u8 rate_code[WMI_TPC_FINAL_RATE_MAX];
u16 pream_table[WMI_TPC_PREAM_TABLE_MAX];
struct wmi_pdev_tpc_final_table_event *ev;
@@ -4933,12 +4934,24 @@ void ath10k_wmi_event_tpc_final_table(struct ath10k *ar, struct sk_buff *skb)
ev = (struct wmi_pdev_tpc_final_table_event *)skb->data;
+ num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
+ if (num_tx_chain > WMI_TPC_TX_N_CHAIN) {
+ ath10k_warn(ar, "number of tx chain is %d greater than TPC final configured tx chain %d\n",
+ num_tx_chain, WMI_TPC_TX_N_CHAIN);
+ return;
+ }
+
+ rate_max = __le32_to_cpu(ev->rate_max);
+ if (rate_max > WMI_TPC_FINAL_RATE_MAX) {
+ ath10k_warn(ar, "number of rate is %d greater than TPC final configured rate %d\n",
+ rate_max, WMI_TPC_FINAL_RATE_MAX);
+ rate_max = WMI_TPC_FINAL_RATE_MAX;
+ }
+
tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC);
if (!tpc_stats)
return;
- num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
-
ath10k_wmi_tpc_config_get_rate_code(rate_code, pream_table,
num_tx_chain);
@@ -4951,8 +4964,8 @@ void ath10k_wmi_event_tpc_final_table(struct ath10k *ar, struct sk_buff *skb)
__le32_to_cpu(ev->twice_antenna_reduction);
tpc_stats->power_limit = __le32_to_cpu(ev->power_limit);
tpc_stats->twice_max_rd_power = __le32_to_cpu(ev->twice_max_rd_power);
- tpc_stats->num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
- tpc_stats->rate_max = __le32_to_cpu(ev->rate_max);
+ tpc_stats->num_tx_chain = num_tx_chain;
+ tpc_stats->rate_max = rate_max;
ath10k_wmi_tpc_stats_final_disp_tables(ar, ev, tpc_stats,
rate_code, pream_table,
diff --git a/drivers/net/wireless/marvell/mwifiex/fw.h b/drivers/net/wireless/marvell/mwifiex/fw.h
index 1fb76d2f5d3f..8b9d0809daf6 100644
--- a/drivers/net/wireless/marvell/mwifiex/fw.h
+++ b/drivers/net/wireless/marvell/mwifiex/fw.h
@@ -953,7 +953,7 @@ struct mwifiex_tkip_param {
struct mwifiex_aes_param {
u8 pn[WPA_PN_SIZE];
__le16 key_len;
- u8 key[WLAN_KEY_LEN_CCMP];
+ u8 key[WLAN_KEY_LEN_CCMP_256];
} __packed;
struct mwifiex_wapi_param {
diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
index 797c2e978394..7003767eef42 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c
@@ -620,7 +620,7 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
key_v2 = &resp->params.key_material_v2;
len = le16_to_cpu(key_v2->key_param_set.key_params.aes.key_len);
- if (len > WLAN_KEY_LEN_CCMP)
+ if (len > sizeof(key_v2->key_param_set.key_params.aes.key))
return -EINVAL;
if (le16_to_cpu(key_v2->action) == HostCmd_ACT_GEN_SET) {
@@ -636,7 +636,7 @@ static int mwifiex_ret_802_11_key_material_v2(struct mwifiex_private *priv,
return 0;
memset(priv->aes_key_v2.key_param_set.key_params.aes.key, 0,
- WLAN_KEY_LEN_CCMP);
+ sizeof(key_v2->key_param_set.key_params.aes.key));
priv->aes_key_v2.key_param_set.key_params.aes.key_len =
cpu_to_le16(len);
memcpy(priv->aes_key_v2.key_param_set.key_params.aes.key,
diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c
index d44d57e6eb27..97df6b3a472b 100644
--- a/drivers/net/wireless/mediatek/mt76/agg-rx.c
+++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c
@@ -278,6 +278,7 @@ static void mt76_rx_aggr_shutdown(struct mt76_dev *dev, struct mt76_rx_tid *tid)
if (!skb)
continue;
+ tid->reorder_buf[i] = NULL;
tid->nframes--;
dev_kfree_skb(skb);
}
diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 2ca5658bbc2a..43c7b37dec0c 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -3671,8 +3671,10 @@ void wlcore_regdomain_config(struct wl1271 *wl)
goto out;
ret = pm_runtime_get_sync(wl->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(wl->dev);
goto out;
+ }
ret = wlcore_cmd_regdomain_config_locked(wl);
if (ret < 0) {
diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c
index b6e19c2d66b0..250bcbf4ea2f 100644
--- a/drivers/net/wireless/ti/wlcore/tx.c
+++ b/drivers/net/wireless/ti/wlcore/tx.c
@@ -877,6 +877,7 @@ void wl1271_tx_work(struct work_struct *work)
ret = wlcore_tx_work_locked(wl);
if (ret < 0) {
+ pm_runtime_put_noidle(wl->dev);
wl12xx_queue_recovery_work(wl);
goto out;
}
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 0d60f2f8f3ee..33dad9774da0 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -255,11 +255,8 @@ void nvme_complete_rq(struct request *req)
trace_nvme_complete_rq(req);
if (unlikely(status != BLK_STS_OK && nvme_req_needs_retry(req))) {
- if ((req->cmd_flags & REQ_NVME_MPATH) &&
- blk_path_error(status)) {
- nvme_failover_req(req);
+ if ((req->cmd_flags & REQ_NVME_MPATH) && nvme_failover_req(req))
return;
- }
if (!blk_queue_dying(req->q)) {
nvme_req(req)->retries++;
@@ -1602,7 +1599,7 @@ static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id)
if (ns->head->disk) {
nvme_update_disk_info(ns->head->disk, ns, id);
blk_queue_stack_limits(ns->head->disk->queue, ns->queue);
- revalidate_disk(ns->head->disk);
+ nvme_mpath_update_disk_size(ns->head->disk);
}
#endif
}
@@ -2859,6 +2856,10 @@ static ssize_t nvme_sysfs_delete(struct device *dev,
{
struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
+ /* Can't delete non-created controllers */
+ if (!ctrl->created)
+ return -EBUSY;
+
if (device_remove_file_self(dev, attr))
nvme_delete_ctrl_sync(ctrl);
return count;
@@ -3579,6 +3580,7 @@ void nvme_start_ctrl(struct nvme_ctrl *ctrl)
queue_work(nvme_wq, &ctrl->async_event_work);
nvme_start_queues(ctrl);
}
+ ctrl->created = true;
}
EXPORT_SYMBOL_GPL(nvme_start_ctrl);
diff --git a/drivers/nvme/host/multipath.c b/drivers/nvme/host/multipath.c
index 2e63c1106030..e71075338ff5 100644
--- a/drivers/nvme/host/multipath.c
+++ b/drivers/nvme/host/multipath.c
@@ -73,17 +73,12 @@ void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
}
}
-void nvme_failover_req(struct request *req)
+bool nvme_failover_req(struct request *req)
{
struct nvme_ns *ns = req->q->queuedata;
u16 status = nvme_req(req)->status;
unsigned long flags;
- spin_lock_irqsave(&ns->head->requeue_lock, flags);
- blk_steal_bios(&ns->head->requeue_list, req);
- spin_unlock_irqrestore(&ns->head->requeue_lock, flags);
- blk_mq_end_request(req, 0);
-
switch (status & 0x7ff) {
case NVME_SC_ANA_TRANSITION:
case NVME_SC_ANA_INACCESSIBLE:
@@ -111,15 +106,17 @@ void nvme_failover_req(struct request *req)
nvme_mpath_clear_current_path(ns);
break;
default:
- /*
- * Reset the controller for any non-ANA error as we don't know
- * what caused the error.
- */
- nvme_reset_ctrl(ns->ctrl);
- break;
+ /* This was a non-ANA error so follow the normal error path. */
+ return false;
}
+ spin_lock_irqsave(&ns->head->requeue_lock, flags);
+ blk_steal_bios(&ns->head->requeue_list, req);
+ spin_unlock_irqrestore(&ns->head->requeue_lock, flags);
+ blk_mq_end_request(req, 0);
+
kblockd_schedule_work(&ns->head->requeue_work);
+ return true;
}
void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index cc4273f11989..9c2e7a151e40 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -206,6 +206,7 @@ struct nvme_ctrl {
struct nvme_command ka_cmd;
struct work_struct fw_act_work;
unsigned long events;
+ bool created;
#ifdef CONFIG_NVME_MULTIPATH
/* asymmetric namespace access: */
@@ -477,7 +478,7 @@ void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys);
void nvme_mpath_start_freeze(struct nvme_subsystem *subsys);
void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
struct nvme_ctrl *ctrl, int *flags);
-void nvme_failover_req(struct request *req);
+bool nvme_failover_req(struct request *req);
void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl);
int nvme_mpath_alloc_disk(struct nvme_ctrl *ctrl,struct nvme_ns_head *head);
void nvme_mpath_add_disk(struct nvme_ns *ns, struct nvme_id_ns *id);
@@ -503,6 +504,16 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns)
kblockd_schedule_work(&head->requeue_work);
}
+static inline void nvme_mpath_update_disk_size(struct gendisk *disk)
+{
+ struct block_device *bdev = bdget_disk(disk, 0);
+
+ if (bdev) {
+ bd_set_size(bdev, get_capacity(disk) << SECTOR_SHIFT);
+ bdput(bdev);
+ }
+}
+
extern struct device_attribute dev_attr_ana_grpid;
extern struct device_attribute dev_attr_ana_state;
@@ -521,8 +532,9 @@ static inline void nvme_set_disk_name(char *disk_name, struct nvme_ns *ns,
sprintf(disk_name, "nvme%dn%d", ctrl->instance, ns->head->instance);
}
-static inline void nvme_failover_req(struct request *req)
+static inline bool nvme_failover_req(struct request *req)
{
+ return false;
}
static inline void nvme_kick_requeue_lists(struct nvme_ctrl *ctrl)
{
@@ -568,6 +580,9 @@ static inline void nvme_mpath_wait_freeze(struct nvme_subsystem *subsys)
static inline void nvme_mpath_start_freeze(struct nvme_subsystem *subsys)
{
}
+static inline void nvme_mpath_update_disk_size(struct gendisk *disk)
+{
+}
#endif /* CONFIG_NVME_MULTIPATH */
#ifdef CONFIG_NVM
diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c
index 08f997a390d5..cfd26437aeae 100644
--- a/drivers/nvme/target/rdma.c
+++ b/drivers/nvme/target/rdma.c
@@ -83,6 +83,7 @@ enum nvmet_rdma_queue_state {
struct nvmet_rdma_queue {
struct rdma_cm_id *cm_id;
+ struct ib_qp *qp;
struct nvmet_port *port;
struct ib_cq *cq;
atomic_t sq_wr_avail;
@@ -471,7 +472,7 @@ static int nvmet_rdma_post_recv(struct nvmet_rdma_device *ndev,
if (ndev->srq)
ret = ib_post_srq_recv(ndev->srq, &cmd->wr, NULL);
else
- ret = ib_post_recv(cmd->queue->cm_id->qp, &cmd->wr, NULL);
+ ret = ib_post_recv(cmd->queue->qp, &cmd->wr, NULL);
if (unlikely(ret))
pr_err("post_recv cmd failed\n");
@@ -510,7 +511,7 @@ static void nvmet_rdma_release_rsp(struct nvmet_rdma_rsp *rsp)
atomic_add(1 + rsp->n_rdma, &queue->sq_wr_avail);
if (rsp->n_rdma) {
- rdma_rw_ctx_destroy(&rsp->rw, queue->cm_id->qp,
+ rdma_rw_ctx_destroy(&rsp->rw, queue->qp,
queue->cm_id->port_num, rsp->req.sg,
rsp->req.sg_cnt, nvmet_data_dir(&rsp->req));
}
@@ -594,7 +595,7 @@ static void nvmet_rdma_read_data_done(struct ib_cq *cq, struct ib_wc *wc)
WARN_ON(rsp->n_rdma <= 0);
atomic_add(rsp->n_rdma, &queue->sq_wr_avail);
- rdma_rw_ctx_destroy(&rsp->rw, queue->cm_id->qp,
+ rdma_rw_ctx_destroy(&rsp->rw, queue->qp,
queue->cm_id->port_num, rsp->req.sg,
rsp->req.sg_cnt, nvmet_data_dir(&rsp->req));
rsp->n_rdma = 0;
@@ -737,7 +738,7 @@ static bool nvmet_rdma_execute_command(struct nvmet_rdma_rsp *rsp)
}
if (nvmet_rdma_need_data_in(rsp)) {
- if (rdma_rw_ctx_post(&rsp->rw, queue->cm_id->qp,
+ if (rdma_rw_ctx_post(&rsp->rw, queue->qp,
queue->cm_id->port_num, &rsp->read_cqe, NULL))
nvmet_req_complete(&rsp->req, NVME_SC_DATA_XFER_ERROR);
} else {
@@ -1020,6 +1021,7 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
pr_err("failed to create_qp ret= %d\n", ret);
goto err_destroy_cq;
}
+ queue->qp = queue->cm_id->qp;
atomic_set(&queue->sq_wr_avail, qp_attr.cap.max_send_wr);
@@ -1048,11 +1050,10 @@ static int nvmet_rdma_create_queue_ib(struct nvmet_rdma_queue *queue)
static void nvmet_rdma_destroy_queue_ib(struct nvmet_rdma_queue *queue)
{
- struct ib_qp *qp = queue->cm_id->qp;
-
- ib_drain_qp(qp);
- rdma_destroy_id(queue->cm_id);
- ib_destroy_qp(qp);
+ ib_drain_qp(queue->qp);
+ if (queue->cm_id)
+ rdma_destroy_id(queue->cm_id);
+ ib_destroy_qp(queue->qp);
ib_free_cq(queue->cq);
}
@@ -1286,9 +1287,12 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
ret = nvmet_rdma_cm_accept(cm_id, queue, &event->param.conn);
if (ret) {
- schedule_work(&queue->release_work);
- /* Destroying rdma_cm id is not needed here */
- return 0;
+ /*
+ * Don't destroy the cm_id in free path, as we implicitly
+ * destroy the cm_id here with non-zero ret code.
+ */
+ queue->cm_id = NULL;
+ goto free_queue;
}
mutex_lock(&nvmet_rdma_queue_mutex);
@@ -1297,6 +1301,8 @@ static int nvmet_rdma_queue_connect(struct rdma_cm_id *cm_id,
return 0;
+free_queue:
+ nvmet_rdma_free_queue(queue);
put_device:
kref_put(&ndev->ref, nvmet_rdma_free_dev);
diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 6f86583605a4..097c02197ec8 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2400,7 +2400,7 @@ static int tegra_pcie_probe(struct platform_device *pdev)
err = pm_runtime_get_sync(pcie->dev);
if (err < 0) {
dev_err(dev, "fail to enable pcie controller: %d\n", err);
- goto teardown_msi;
+ goto pm_runtime_put;
}
err = tegra_pcie_request_resources(pcie);
@@ -2440,7 +2440,6 @@ static int tegra_pcie_probe(struct platform_device *pdev)
pm_runtime_put:
pm_runtime_put_sync(pcie->dev);
pm_runtime_disable(pcie->dev);
-teardown_msi:
tegra_pcie_msi_teardown(pcie);
put_resources:
tegra_pcie_put_resources(pcie);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 07940d1d83b7..005817e40ad3 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -530,7 +530,7 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
struct controller *ctrl = (struct controller *)dev_id;
struct pci_dev *pdev = ctrl_dev(ctrl);
struct device *parent = pdev->dev.parent;
- u16 status, events;
+ u16 status, events = 0;
/*
* Interrupts only occur in D3hot or shallower (PCIe r4.0, sec 6.7.3.4).
@@ -553,6 +553,7 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
}
}
+read_status:
pcie_capability_read_word(pdev, PCI_EXP_SLTSTA, &status);
if (status == (u16) ~0) {
ctrl_info(ctrl, "%s: no response from device\n", __func__);
@@ -565,24 +566,37 @@ static irqreturn_t pciehp_isr(int irq, void *dev_id)
* Slot Status contains plain status bits as well as event
* notification bits; right now we only want the event bits.
*/
- events = status & (PCI_EXP_SLTSTA_ABP | PCI_EXP_SLTSTA_PFD |
- PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_CC |
- PCI_EXP_SLTSTA_DLLSC);
+ status &= PCI_EXP_SLTSTA_ABP | PCI_EXP_SLTSTA_PFD |
+ PCI_EXP_SLTSTA_PDC | PCI_EXP_SLTSTA_CC |
+ PCI_EXP_SLTSTA_DLLSC;
/*
* If we've already reported a power fault, don't report it again
* until we've done something to handle it.
*/
if (ctrl->power_fault_detected)
- events &= ~PCI_EXP_SLTSTA_PFD;
+ status &= ~PCI_EXP_SLTSTA_PFD;
+ events |= status;
if (!events) {
if (parent)
pm_runtime_put(parent);
return IRQ_NONE;
}
- pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, events);
+ if (status) {
+ pcie_capability_write_word(pdev, PCI_EXP_SLTSTA, events);
+
+ /*
+ * In MSI mode, all event bits must be zero before the port
+ * will send a new interrupt (PCIe Base Spec r5.0 sec 6.7.3.4).
+ * So re-read the Slot Status register in case a bit was set
+ * between read and write.
+ */
+ if (pci_dev_msi_enabled(pdev) && !pciehp_poll_mode)
+ goto read_status;
+ }
+
ctrl_dbg(ctrl, "pending interrupts %#06x from Slot Status\n", events);
if (parent)
pm_runtime_put(parent);
diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c
index 137bf0cee897..8fc9a4e911e3 100644
--- a/drivers/pci/rom.c
+++ b/drivers/pci/rom.c
@@ -195,20 +195,3 @@ void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom)
pci_disable_rom(pdev);
}
EXPORT_SYMBOL(pci_unmap_rom);
-
-/**
- * pci_platform_rom - provides a pointer to any ROM image provided by the
- * platform
- * @pdev: pointer to pci device struct
- * @size: pointer to receive size of pci window over ROM
- */
-void __iomem *pci_platform_rom(struct pci_dev *pdev, size_t *size)
-{
- if (pdev->rom && pdev->romlen) {
- *size = pdev->romlen;
- return phys_to_virt((phys_addr_t)pdev->rom);
- }
-
- return NULL;
-}
-EXPORT_SYMBOL(pci_platform_rom);
diff --git a/drivers/phy/samsung/phy-s5pv210-usb2.c b/drivers/phy/samsung/phy-s5pv210-usb2.c
index f6f72339bbc3..bb7fdf491c1c 100644
--- a/drivers/phy/samsung/phy-s5pv210-usb2.c
+++ b/drivers/phy/samsung/phy-s5pv210-usb2.c
@@ -142,6 +142,10 @@ static void s5pv210_phy_pwr(struct samsung_usb2_phy_instance *inst, bool on)
udelay(10);
rst &= ~rstbits;
writel(rst, drv->reg_phy + S5PV210_UPHYRST);
+ /* The following delay is necessary for the reset sequence to be
+ * completed
+ */
+ udelay(80);
} else {
pwr = readl(drv->reg_phy + S5PV210_UPHYPWR);
pwr |= phypwr;
diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c
index 33c40f79d23d..2c35c13ad546 100644
--- a/drivers/power/supply/max17040_battery.c
+++ b/drivers/power/supply/max17040_battery.c
@@ -109,7 +109,7 @@ static void max17040_get_vcell(struct i2c_client *client)
vcell = max17040_read_reg(client, MAX17040_VCELL);
- chip->vcell = vcell;
+ chip->vcell = (vcell >> 4) * 1250;
}
static void max17040_get_soc(struct i2c_client *client)
diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/devices/rio_mport_cdev.c
index 5940780648e0..f36a8a5261a1 100644
--- a/drivers/rapidio/devices/rio_mport_cdev.c
+++ b/drivers/rapidio/devices/rio_mport_cdev.c
@@ -2385,13 +2385,6 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport)
cdev_init(&md->cdev, &mport_fops);
md->cdev.owner = THIS_MODULE;
- ret = cdev_device_add(&md->cdev, &md->dev);
- if (ret) {
- rmcd_error("Failed to register mport %d (err=%d)",
- mport->id, ret);
- goto err_cdev;
- }
-
INIT_LIST_HEAD(&md->doorbells);
spin_lock_init(&md->db_lock);
INIT_LIST_HEAD(&md->portwrites);
@@ -2411,6 +2404,13 @@ static struct mport_dev *mport_cdev_add(struct rio_mport *mport)
#else
md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER;
#endif
+
+ ret = cdev_device_add(&md->cdev, &md->dev);
+ if (ret) {
+ rmcd_error("Failed to register mport %d (err=%d)",
+ mport->id, ret);
+ goto err_cdev;
+ }
ret = rio_query_mport(mport, &attr);
if (!ret) {
md->properties.flags = attr.flags;
diff --git a/drivers/rtc/rtc-ds1374.c b/drivers/rtc/rtc-ds1374.c
index 38a2e9e684df..77a106e90124 100644
--- a/drivers/rtc/rtc-ds1374.c
+++ b/drivers/rtc/rtc-ds1374.c
@@ -620,6 +620,10 @@ static int ds1374_probe(struct i2c_client *client,
if (!ds1374)
return -ENOMEM;
+ ds1374->rtc = devm_rtc_allocate_device(&client->dev);
+ if (IS_ERR(ds1374->rtc))
+ return PTR_ERR(ds1374->rtc);
+
ds1374->client = client;
i2c_set_clientdata(client, ds1374);
@@ -641,12 +645,11 @@ static int ds1374_probe(struct i2c_client *client,
device_set_wakeup_capable(&client->dev, 1);
}
- ds1374->rtc = devm_rtc_device_register(&client->dev, client->name,
- &ds1374_rtc_ops, THIS_MODULE);
- if (IS_ERR(ds1374->rtc)) {
- dev_err(&client->dev, "unable to register the class device\n");
- return PTR_ERR(ds1374->rtc);
- }
+ ds1374->rtc->ops = &ds1374_rtc_ops;
+
+ ret = rtc_register_device(ds1374->rtc);
+ if (ret)
+ return ret;
#ifdef CONFIG_RTC_DRV_DS1374_WDT
save_client = client;
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 304d905cb23f..56f625371735 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -186,7 +186,6 @@ static const struct rtc_class_ops sa1100_rtc_ops = {
int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)
{
- struct rtc_device *rtc;
int ret;
spin_lock_init(&info->lock);
@@ -215,15 +214,14 @@ int sa1100_rtc_init(struct platform_device *pdev, struct sa1100_rtc *info)
writel_relaxed(0, info->rcnr);
}
- rtc = devm_rtc_device_register(&pdev->dev, pdev->name, &sa1100_rtc_ops,
- THIS_MODULE);
- if (IS_ERR(rtc)) {
+ info->rtc->ops = &sa1100_rtc_ops;
+ info->rtc->max_user_freq = RTC_FREQ;
+
+ ret = rtc_register_device(info->rtc);
+ if (ret) {
clk_disable_unprepare(info->clk);
- return PTR_ERR(rtc);
+ return ret;
}
- info->rtc = rtc;
-
- rtc->max_user_freq = RTC_FREQ;
/* Fix for a nasty initialization problem the in SA11xx RTSR register.
* See also the comments in sa1100_rtc_interrupt().
@@ -272,6 +270,10 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
info->irq_1hz = irq_1hz;
info->irq_alarm = irq_alarm;
+ info->rtc = devm_rtc_allocate_device(&pdev->dev);
+ if (IS_ERR(info->rtc))
+ return PTR_ERR(info->rtc);
+
ret = devm_request_irq(&pdev->dev, irq_1hz, sa1100_rtc_interrupt, 0,
"rtc 1Hz", &pdev->dev);
if (ret) {
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 56007a3e7f11..fab09455ba94 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -40,6 +40,7 @@
MODULE_LICENSE("GPL");
static struct dasd_discipline dasd_fba_discipline;
+static void *dasd_fba_zero_page;
struct dasd_fba_private {
struct dasd_fba_characteristics rdc_data;
@@ -270,7 +271,7 @@ static void ccw_write_zero(struct ccw1 *ccw, int count)
ccw->cmd_code = DASD_FBA_CCW_WRITE;
ccw->flags |= CCW_FLAG_SLI;
ccw->count = count;
- ccw->cda = (__u32) (addr_t) page_to_phys(ZERO_PAGE(0));
+ ccw->cda = (__u32) (addr_t) dasd_fba_zero_page;
}
/*
@@ -811,6 +812,11 @@ dasd_fba_init(void)
int ret;
ASCEBC(dasd_fba_discipline.ebcname, 4);
+
+ dasd_fba_zero_page = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA);
+ if (!dasd_fba_zero_page)
+ return -ENOMEM;
+
ret = ccw_driver_register(&dasd_fba_driver);
if (!ret)
wait_for_device_probe();
@@ -822,6 +828,7 @@ static void __exit
dasd_fba_cleanup(void)
{
ccw_driver_unregister(&dasd_fba_driver);
+ free_page((unsigned long)dasd_fba_zero_page);
}
module_init(dasd_fba_init);
diff --git a/drivers/s390/crypto/zcrypt_api.c b/drivers/s390/crypto/zcrypt_api.c
index 23c24a699cef..b7cb897cd83e 100644
--- a/drivers/s390/crypto/zcrypt_api.c
+++ b/drivers/s390/crypto/zcrypt_api.c
@@ -915,7 +915,8 @@ static long zcrypt_unlocked_ioctl(struct file *filp, unsigned int cmd,
if (!reqcnt)
return -ENOMEM;
zcrypt_perdev_reqcnt(reqcnt, AP_DEVICES);
- if (copy_to_user((int __user *) arg, reqcnt, sizeof(reqcnt)))
+ if (copy_to_user((int __user *) arg, reqcnt,
+ sizeof(u32) * AP_DEVICES))
rc = -EFAULT;
kfree(reqcnt);
return rc;
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 6e356325d8d9..54717fb84a54 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -2481,13 +2481,13 @@ static int aac_read(struct scsi_cmnd * scsicmd)
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
SAM_STAT_CHECK_CONDITION;
set_sense(&dev->fsa_dev[cid].sense_data,
- HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
SCSI_SENSE_BUFFERSIZE));
scsicmd->scsi_done(scsicmd);
- return 1;
+ return 0;
}
dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
@@ -2573,13 +2573,13 @@ static int aac_write(struct scsi_cmnd * scsicmd)
scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
SAM_STAT_CHECK_CONDITION;
set_sense(&dev->fsa_dev[cid].sense_data,
- HARDWARE_ERROR, SENCODE_INTERNAL_TARGET_FAILURE,
+ ILLEGAL_REQUEST, SENCODE_LBA_OUT_OF_RANGE,
ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0);
memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data),
SCSI_SENSE_BUFFERSIZE));
scsicmd->scsi_done(scsicmd);
- return 1;
+ return 0;
}
dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index b7588de4484e..4cb6ee6e1212 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -743,7 +743,7 @@ int aac_hba_send(u8 command, struct fib *fibptr, fib_callback callback,
hbacmd->request_id =
cpu_to_le32((((u32)(fibptr - dev->fibs)) << 2) + 1);
fibptr->flags |= FIB_CONTEXT_FLAG_SCSI_CMD;
- } else if (command != HBA_IU_TYPE_SCSI_TM_REQ)
+ } else
return -EINVAL;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 1046947064a0..eecffc03084c 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -736,7 +736,11 @@ static int aac_eh_abort(struct scsi_cmnd* cmd)
status = aac_hba_send(HBA_IU_TYPE_SCSI_TM_REQ, fib,
(fib_callback) aac_hba_callback,
(void *) cmd);
-
+ if (status != -EINPROGRESS) {
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
/* Wait up to 15 secs for completion */
for (count = 0; count < 15; ++count) {
if (cmd->SCp.sent_command) {
@@ -915,11 +919,11 @@ static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
info = &aac->hba_map[bus][cid];
- if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
- info->reset_state > 0)
+ if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
+ !(info->reset_state > 0)))
return FAILED;
- pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ pr_err("%s: Host device reset request. SCSI hang ?\n",
AAC_DRIVERNAME);
fib = aac_fib_alloc(aac);
@@ -934,7 +938,12 @@ static int aac_eh_dev_reset(struct scsi_cmnd *cmd)
status = aac_hba_send(command, fib,
(fib_callback) aac_tmf_callback,
(void *) info);
-
+ if (status != -EINPROGRESS) {
+ info->reset_state = 0;
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
/* Wait up to 15 seconds for completion */
for (count = 0; count < 15; ++count) {
if (info->reset_state == 0) {
@@ -973,11 +982,11 @@ static int aac_eh_target_reset(struct scsi_cmnd *cmd)
info = &aac->hba_map[bus][cid];
- if (info->devtype != AAC_DEVTYPE_NATIVE_RAW &&
- info->reset_state > 0)
+ if (!(info->devtype == AAC_DEVTYPE_NATIVE_RAW &&
+ !(info->reset_state > 0)))
return FAILED;
- pr_err("%s: Host adapter reset request. SCSI hang ?\n",
+ pr_err("%s: Host target reset request. SCSI hang ?\n",
AAC_DRIVERNAME);
fib = aac_fib_alloc(aac);
@@ -994,6 +1003,13 @@ static int aac_eh_target_reset(struct scsi_cmnd *cmd)
(fib_callback) aac_tmf_callback,
(void *) info);
+ if (status != -EINPROGRESS) {
+ info->reset_state = 0;
+ aac_fib_complete(fib);
+ aac_fib_free(fib);
+ return ret;
+ }
+
/* Wait up to 15 seconds for completion */
for (count = 0; count < 15; ++count) {
if (info->reset_state <= 0) {
@@ -1046,7 +1062,7 @@ static int aac_eh_bus_reset(struct scsi_cmnd* cmd)
}
}
- pr_err("%s: Host adapter reset request. SCSI hang ?\n", AAC_DRIVERNAME);
+ pr_err("%s: Host bus reset request. SCSI hang ?\n", AAC_DRIVERNAME);
/*
* Check the health of the controller
@@ -1604,7 +1620,7 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
struct Scsi_Host *shost;
struct aac_dev *aac;
struct list_head *insert = &aac_devices;
- int error = -ENODEV;
+ int error;
int unique_id = 0;
u64 dmamask;
int mask_bits = 0;
@@ -1629,7 +1645,6 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
error = pci_enable_device(pdev);
if (error)
goto out;
- error = -ENODEV;
if (!(aac_drivers[index].quirks & AAC_QUIRK_SRC)) {
error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
@@ -1661,8 +1676,10 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_master(pdev);
shost = scsi_host_alloc(&aac_driver_template, sizeof(struct aac_dev));
- if (!shost)
+ if (!shost) {
+ error = -ENOMEM;
goto out_disable_pdev;
+ }
shost->irq = pdev->irq;
shost->unique_id = unique_id;
@@ -1687,8 +1704,11 @@ static int aac_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
aac->fibs = kcalloc(shost->can_queue + AAC_NUM_MGT_FIB,
sizeof(struct fib),
GFP_KERNEL);
- if (!aac->fibs)
+ if (!aac->fibs) {
+ error = -ENOMEM;
goto out_free_host;
+ }
+
spin_lock_init(&aac->fib_lock);
mutex_init(&aac->ioctl_mutex);
diff --git a/drivers/scsi/cxlflash/main.c b/drivers/scsi/cxlflash/main.c
index f987c40c47a1..443813feaef4 100644
--- a/drivers/scsi/cxlflash/main.c
+++ b/drivers/scsi/cxlflash/main.c
@@ -3749,6 +3749,7 @@ static int cxlflash_probe(struct pci_dev *pdev,
cfg->afu_cookie = cfg->ops->create_afu(pdev);
if (unlikely(!cfg->afu_cookie)) {
dev_err(dev, "%s: create_afu failed\n", __func__);
+ rc = -ENOMEM;
goto out_remove;
}
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 73ffc16ec022..b521fc7650cb 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -1034,7 +1034,8 @@ static void fnic_fcpio_icmnd_cmpl_handler(struct fnic *fnic,
atomic64_inc(&fnic_stats->io_stats.io_completions);
- io_duration_time = jiffies_to_msecs(jiffies) - jiffies_to_msecs(io_req->start_time);
+ io_duration_time = jiffies_to_msecs(jiffies) -
+ jiffies_to_msecs(start_time);
if(io_duration_time <= 10)
atomic64_inc(&fnic_stats->io_stats.io_btw_0_to_10_msec);
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index f570b8c5d857..11de2198bb87 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -507,6 +507,12 @@ static ssize_t host_store_rescan(struct device *dev,
return count;
}
+static void hpsa_turn_off_ioaccel_for_device(struct hpsa_scsi_dev_t *device)
+{
+ device->offload_enabled = 0;
+ device->offload_to_be_enabled = 0;
+}
+
static ssize_t host_show_firmware_revision(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1743,8 +1749,7 @@ static void hpsa_figure_phys_disk_ptrs(struct ctlr_info *h,
__func__,
h->scsi_host->host_no, logical_drive->bus,
logical_drive->target, logical_drive->lun);
- logical_drive->offload_enabled = 0;
- logical_drive->offload_to_be_enabled = 0;
+ hpsa_turn_off_ioaccel_for_device(logical_drive);
logical_drive->queue_depth = 8;
}
}
@@ -2496,8 +2501,7 @@ static void process_ioaccel2_completion(struct ctlr_info *h,
IOACCEL2_SERV_RESPONSE_FAILURE) {
if (c2->error_data.status ==
IOACCEL2_STATUS_SR_IOACCEL_DISABLED) {
- dev->offload_enabled = 0;
- dev->offload_to_be_enabled = 0;
+ hpsa_turn_off_ioaccel_for_device(dev);
}
return hpsa_retry_cmd(h, c);
@@ -3676,10 +3680,17 @@ static void hpsa_get_ioaccel_status(struct ctlr_info *h,
this_device->offload_config =
!!(ioaccel_status & OFFLOAD_CONFIGURED_BIT);
if (this_device->offload_config) {
- this_device->offload_to_be_enabled =
+ bool offload_enabled =
!!(ioaccel_status & OFFLOAD_ENABLED_BIT);
- if (hpsa_get_raid_map(h, scsi3addr, this_device))
- this_device->offload_to_be_enabled = 0;
+ /*
+ * Check to see if offload can be enabled.
+ */
+ if (offload_enabled) {
+ rc = hpsa_get_raid_map(h, scsi3addr, this_device);
+ if (rc) /* could not load raid_map */
+ goto out;
+ this_device->offload_to_be_enabled = 1;
+ }
}
out:
@@ -3998,8 +4009,7 @@ static int hpsa_update_device_info(struct ctlr_info *h,
} else {
this_device->raid_level = RAID_UNKNOWN;
this_device->offload_config = 0;
- this_device->offload_enabled = 0;
- this_device->offload_to_be_enabled = 0;
+ hpsa_turn_off_ioaccel_for_device(this_device);
this_device->hba_ioaccel_enabled = 0;
this_device->volume_offline = 0;
this_device->queue_depth = h->nr_cmds;
@@ -5213,8 +5223,12 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h,
/* Handles load balance across RAID 1 members.
* (2-drive R1 and R10 with even # of drives.)
* Appropriate for SSDs, not optimal for HDDs
+ * Ensure we have the correct raid_map.
*/
- BUG_ON(le16_to_cpu(map->layout_map_count) != 2);
+ if (le16_to_cpu(map->layout_map_count) != 2) {
+ hpsa_turn_off_ioaccel_for_device(dev);
+ return IO_ACCEL_INELIGIBLE;
+ }
if (dev->offload_to_mirror)
map_index += le16_to_cpu(map->data_disks_per_row);
dev->offload_to_mirror = !dev->offload_to_mirror;
@@ -5222,8 +5236,12 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h,
case HPSA_RAID_ADM:
/* Handles N-way mirrors (R1-ADM)
* and R10 with # of drives divisible by 3.)
+ * Ensure we have the correct raid_map.
*/
- BUG_ON(le16_to_cpu(map->layout_map_count) != 3);
+ if (le16_to_cpu(map->layout_map_count) != 3) {
+ hpsa_turn_off_ioaccel_for_device(dev);
+ return IO_ACCEL_INELIGIBLE;
+ }
offload_to_mirror = dev->offload_to_mirror;
raid_map_helper(map, offload_to_mirror,
@@ -5248,7 +5266,10 @@ static int hpsa_scsi_ioaccel_raid_map(struct ctlr_info *h,
r5or6_blocks_per_row =
le16_to_cpu(map->strip_size) *
le16_to_cpu(map->data_disks_per_row);
- BUG_ON(r5or6_blocks_per_row == 0);
+ if (r5or6_blocks_per_row == 0) {
+ hpsa_turn_off_ioaccel_for_device(dev);
+ return IO_ACCEL_INELIGIBLE;
+ }
stripesize = r5or6_blocks_per_row *
le16_to_cpu(map->layout_map_count);
#if BITS_PER_LONG == 32
@@ -8218,7 +8239,7 @@ static int detect_controller_lockup(struct ctlr_info *h)
*
* Called from monitor controller worker (hpsa_event_monitor_worker)
*
- * A Volume (or Volumes that comprise an Array set may be undergoing a
+ * A Volume (or Volumes that comprise an Array set) may be undergoing a
* transformation, so we will be turning off ioaccel for all volumes that
* make up the Array.
*/
@@ -8241,6 +8262,9 @@ static void hpsa_set_ioaccel_status(struct ctlr_info *h)
* Run through current device list used during I/O requests.
*/
for (i = 0; i < h->ndevices; i++) {
+ int offload_to_be_enabled = 0;
+ int offload_config = 0;
+
device = h->dev[i];
if (!device)
@@ -8258,25 +8282,35 @@ static void hpsa_set_ioaccel_status(struct ctlr_info *h)
continue;
ioaccel_status = buf[IOACCEL_STATUS_BYTE];
- device->offload_config =
+
+ /*
+ * Check if offload is still configured on
+ */
+ offload_config =
!!(ioaccel_status & OFFLOAD_CONFIGURED_BIT);
- if (device->offload_config)
- device->offload_to_be_enabled =
+ /*
+ * If offload is configured on, check to see if ioaccel
+ * needs to be enabled.
+ */
+ if (offload_config)
+ offload_to_be_enabled =
!!(ioaccel_status & OFFLOAD_ENABLED_BIT);
+ /*
+ * If ioaccel is to be re-enabled, re-enable later during the
+ * scan operation so the driver can get a fresh raidmap
+ * before turning ioaccel back on.
+ */
+ if (offload_to_be_enabled)
+ continue;
+
/*
* Immediately turn off ioaccel for any volume the
* controller tells us to. Some of the reasons could be:
* transformation - change to the LVs of an Array.
* degraded volume - component failure
- *
- * If ioaccel is to be re-enabled, re-enable later during the
- * scan operation so the driver can get a fresh raidmap
- * before turning ioaccel back on.
- *
*/
- if (!device->offload_to_be_enabled)
- device->offload_enabled = 0;
+ hpsa_turn_off_ioaccel_for_device(device);
}
kfree(buf);
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 90a748551ede..2b3239765c24 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -145,8 +145,10 @@ struct fc_rport_priv *fc_rport_create(struct fc_lport *lport, u32 port_id)
lockdep_assert_held(&lport->disc.disc_mutex);
rdata = fc_rport_lookup(lport, port_id);
- if (rdata)
+ if (rdata) {
+ kref_put(&rdata->kref, fc_rport_destroy);
return rdata;
+ }
if (lport->rport_priv_size > 0)
rport_priv_size = lport->rport_priv_size;
@@ -493,10 +495,11 @@ static void fc_rport_enter_delete(struct fc_rport_priv *rdata,
fc_rport_state_enter(rdata, RPORT_ST_DELETE);
- kref_get(&rdata->kref);
- if (rdata->event == RPORT_EV_NONE &&
- !queue_work(rport_event_queue, &rdata->event_work))
- kref_put(&rdata->kref, fc_rport_destroy);
+ if (rdata->event == RPORT_EV_NONE) {
+ kref_get(&rdata->kref);
+ if (!queue_work(rport_event_queue, &rdata->event_work))
+ kref_put(&rdata->kref, fc_rport_destroy);
+ }
rdata->event = event;
}
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index fe084d47ed9e..3447d19d4147 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -332,7 +332,6 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
if (strlcat(buf, "\nNVME Initiator Enabled\n", PAGE_SIZE) >= PAGE_SIZE)
goto buffer_done;
- rcu_read_lock();
scnprintf(tmp, sizeof(tmp),
"XRI Dist lpfc%d Total %d NVME %d SCSI %d ELS %d\n",
phba->brd_no,
@@ -341,7 +340,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
phba->sli4_hba.scsi_xri_max,
lpfc_sli4_get_els_iocb_cnt(phba));
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto buffer_done;
/* Port state is only one of two values for now. */
if (localport->port_id)
@@ -357,7 +356,9 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
wwn_to_u64(vport->fc_nodename.u.wwn),
localport->port_id, statep);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto buffer_done;
+
+ spin_lock_irq(shost->host_lock);
list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
nrport = NULL;
@@ -384,39 +385,39 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
/* Tab in to show lport ownership. */
if (strlcat(buf, "NVME RPORT ", PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
if (phba->brd_no >= 10) {
if (strlcat(buf, " ", PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
scnprintf(tmp, sizeof(tmp), "WWPN x%llx ",
nrport->port_name);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
scnprintf(tmp, sizeof(tmp), "WWNN x%llx ",
nrport->node_name);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
scnprintf(tmp, sizeof(tmp), "DID x%06x ",
nrport->port_id);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
/* An NVME rport can have multiple roles. */
if (nrport->port_role & FC_PORT_ROLE_NVME_INITIATOR) {
if (strlcat(buf, "INITIATOR ", PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
if (nrport->port_role & FC_PORT_ROLE_NVME_TARGET) {
if (strlcat(buf, "TARGET ", PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
if (nrport->port_role & FC_PORT_ROLE_NVME_DISCOVERY) {
if (strlcat(buf, "DISCSRVC ", PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
if (nrport->port_role & ~(FC_PORT_ROLE_NVME_INITIATOR |
FC_PORT_ROLE_NVME_TARGET |
@@ -424,14 +425,14 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
scnprintf(tmp, sizeof(tmp), "UNKNOWN ROLE x%x",
nrport->port_role);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
scnprintf(tmp, sizeof(tmp), "%s\n", statep);
if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
- goto rcu_unlock_buf_done;
+ goto unlock_buf_done;
}
- rcu_read_unlock();
+ spin_unlock_irq(shost->host_lock);
if (!lport)
goto buffer_done;
@@ -491,11 +492,11 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
atomic_read(&lport->cmpl_fcp_err));
strlcat(buf, tmp, PAGE_SIZE);
- /* RCU is already unlocked. */
+ /* host_lock is already unlocked. */
goto buffer_done;
- rcu_unlock_buf_done:
- rcu_read_unlock();
+ unlock_buf_done:
+ spin_unlock_irq(shost->host_lock);
buffer_done:
len = strnlen(buf, PAGE_SIZE);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 384f5cd7c3c8..99b4ff78f9dc 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -1737,8 +1737,8 @@ lpfc_fdmi_hba_attr_wwnn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, sizeof(struct lpfc_name));
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
sizeof(struct lpfc_name));
@@ -1754,8 +1754,8 @@ lpfc_fdmi_hba_attr_manufacturer(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
/* This string MUST be consistent with other FC platforms
* supported by Broadcom.
@@ -1779,8 +1779,8 @@ lpfc_fdmi_hba_attr_sn(struct lpfc_vport *vport, struct lpfc_fdmi_attr_def *ad)
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, phba->SerialNumber,
sizeof(ae->un.AttrString));
@@ -1801,8 +1801,8 @@ lpfc_fdmi_hba_attr_model(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, phba->ModelName,
sizeof(ae->un.AttrString));
@@ -1822,8 +1822,8 @@ lpfc_fdmi_hba_attr_description(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, phba->ModelDesc,
sizeof(ae->un.AttrString));
@@ -1845,8 +1845,8 @@ lpfc_fdmi_hba_attr_hdw_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t i, j, incr, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
/* Convert JEDEC ID to ascii for hardware version */
incr = vp->rev.biuRev;
@@ -1875,8 +1875,8 @@ lpfc_fdmi_hba_attr_drvr_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, lpfc_release_version,
sizeof(ae->un.AttrString));
@@ -1897,8 +1897,8 @@ lpfc_fdmi_hba_attr_rom_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
if (phba->sli_rev == LPFC_SLI_REV4)
lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
@@ -1922,8 +1922,8 @@ lpfc_fdmi_hba_attr_fmw_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
len = strnlen(ae->un.AttrString,
@@ -1942,8 +1942,8 @@ lpfc_fdmi_hba_attr_os_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s %s %s",
init_utsname()->sysname,
@@ -1965,7 +1965,7 @@ lpfc_fdmi_hba_attr_ct_len(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = cpu_to_be32(LPFC_MAX_CT_SIZE);
size = FOURBYTES + sizeof(uint32_t);
@@ -1981,8 +1981,8 @@ lpfc_fdmi_hba_attr_symbolic_name(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
len = lpfc_vport_symbolic_node_name(vport,
ae->un.AttrString, 256);
@@ -2000,7 +2000,7 @@ lpfc_fdmi_hba_attr_vendor_info(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
/* Nothing is defined for this currently */
ae->un.AttrInt = cpu_to_be32(0);
@@ -2017,7 +2017,7 @@ lpfc_fdmi_hba_attr_num_ports(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
/* Each driver instance corresponds to a single port */
ae->un.AttrInt = cpu_to_be32(1);
@@ -2034,8 +2034,8 @@ lpfc_fdmi_hba_attr_fabric_wwnn(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, sizeof(struct lpfc_name));
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrWWN, &vport->fabric_nodename,
sizeof(struct lpfc_name));
@@ -2053,8 +2053,8 @@ lpfc_fdmi_hba_attr_bios_ver(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
lpfc_decode_firmware_rev(phba, ae->un.AttrString, 1);
len = strnlen(ae->un.AttrString,
@@ -2073,7 +2073,7 @@ lpfc_fdmi_hba_attr_bios_state(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
/* Driver doesn't have access to this information */
ae->un.AttrInt = cpu_to_be32(0);
@@ -2090,8 +2090,8 @@ lpfc_fdmi_hba_attr_vendor_id(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, "EMULEX",
sizeof(ae->un.AttrString));
@@ -2112,8 +2112,8 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 32);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
@@ -2134,7 +2134,7 @@ lpfc_fdmi_port_attr_support_speed(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = 0;
if (!(phba->hba_flag & HBA_FCOE_MODE)) {
@@ -2186,7 +2186,7 @@ lpfc_fdmi_port_attr_speed(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
if (!(phba->hba_flag & HBA_FCOE_MODE)) {
switch (phba->fc_linkspeed) {
@@ -2253,7 +2253,7 @@ lpfc_fdmi_port_attr_max_frame(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
hsp = (struct serv_parm *)&vport->fc_sparam;
ae->un.AttrInt = (((uint32_t) hsp->cmn.bbRcvSizeMsb) << 8) |
@@ -2273,8 +2273,8 @@ lpfc_fdmi_port_attr_os_devname(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
snprintf(ae->un.AttrString, sizeof(ae->un.AttrString),
"/sys/class/scsi_host/host%d", shost->host_no);
@@ -2294,8 +2294,8 @@ lpfc_fdmi_port_attr_host_name(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
snprintf(ae->un.AttrString, sizeof(ae->un.AttrString), "%s",
init_utsname()->nodename);
@@ -2315,8 +2315,8 @@ lpfc_fdmi_port_attr_wwnn(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, sizeof(struct lpfc_name));
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrWWN, &vport->fc_sparam.nodeName,
sizeof(struct lpfc_name));
@@ -2333,8 +2333,8 @@ lpfc_fdmi_port_attr_wwpn(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, sizeof(struct lpfc_name));
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrWWN, &vport->fc_sparam.portName,
sizeof(struct lpfc_name));
@@ -2351,8 +2351,8 @@ lpfc_fdmi_port_attr_symbolic_name(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
len = lpfc_vport_symbolic_port_name(vport, ae->un.AttrString, 256);
len += (len & 3) ? (4 - (len & 3)) : 4;
@@ -2370,7 +2370,7 @@ lpfc_fdmi_port_attr_port_type(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
if (phba->fc_topology == LPFC_TOPOLOGY_LOOP)
ae->un.AttrInt = cpu_to_be32(LPFC_FDMI_PORTTYPE_NLPORT);
else
@@ -2388,7 +2388,7 @@ lpfc_fdmi_port_attr_class(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = cpu_to_be32(FC_COS_CLASS2 | FC_COS_CLASS3);
size = FOURBYTES + sizeof(uint32_t);
ad->AttrLen = cpu_to_be16(size);
@@ -2403,8 +2403,8 @@ lpfc_fdmi_port_attr_fabric_wwpn(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, sizeof(struct lpfc_name));
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrWWN, &vport->fabric_portname,
sizeof(struct lpfc_name));
@@ -2421,8 +2421,8 @@ lpfc_fdmi_port_attr_active_fc4type(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 32);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
ae->un.AttrTypes[3] = 0x02; /* Type 0x1 - ELS */
ae->un.AttrTypes[2] = 0x01; /* Type 0x8 - FCP */
@@ -2442,7 +2442,7 @@ lpfc_fdmi_port_attr_port_state(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
/* Link Up - operational */
ae->un.AttrInt = cpu_to_be32(LPFC_FDMI_PORTSTATE_ONLINE);
size = FOURBYTES + sizeof(uint32_t);
@@ -2458,7 +2458,7 @@ lpfc_fdmi_port_attr_num_disc(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
vport->fdmi_num_disc = lpfc_find_map_node(vport);
ae->un.AttrInt = cpu_to_be32(vport->fdmi_num_disc);
size = FOURBYTES + sizeof(uint32_t);
@@ -2474,7 +2474,7 @@ lpfc_fdmi_port_attr_nportid(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = cpu_to_be32(vport->fc_myDID);
size = FOURBYTES + sizeof(uint32_t);
ad->AttrLen = cpu_to_be16(size);
@@ -2489,8 +2489,8 @@ lpfc_fdmi_smart_attr_service(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, "Smart SAN Initiator",
sizeof(ae->un.AttrString));
@@ -2510,8 +2510,8 @@ lpfc_fdmi_smart_attr_guid(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
memcpy(&ae->un.AttrString, &vport->fc_sparam.nodeName,
sizeof(struct lpfc_name));
@@ -2531,8 +2531,8 @@ lpfc_fdmi_smart_attr_version(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, "Smart SAN Version 2.0",
sizeof(ae->un.AttrString));
@@ -2553,8 +2553,8 @@ lpfc_fdmi_smart_attr_model(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t len, size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
- memset(ae, 0, 256);
+ ae = &ad->AttrValue;
+ memset(ae, 0, sizeof(*ae));
strncpy(ae->un.AttrString, phba->ModelName,
sizeof(ae->un.AttrString));
@@ -2573,7 +2573,7 @@ lpfc_fdmi_smart_attr_port_info(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
/* SRIOV (type 3) is not supported */
if (vport->vpi)
@@ -2593,7 +2593,7 @@ lpfc_fdmi_smart_attr_qos(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = cpu_to_be32(0);
size = FOURBYTES + sizeof(uint32_t);
ad->AttrLen = cpu_to_be16(size);
@@ -2608,7 +2608,7 @@ lpfc_fdmi_smart_attr_security(struct lpfc_vport *vport,
struct lpfc_fdmi_attr_entry *ae;
uint32_t size;
- ae = (struct lpfc_fdmi_attr_entry *)&ad->AttrValue;
+ ae = &ad->AttrValue;
ae->un.AttrInt = cpu_to_be32(1);
size = FOURBYTES + sizeof(uint32_t);
ad->AttrLen = cpu_to_be16(size);
@@ -2756,7 +2756,8 @@ lpfc_fdmi_cmd(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Registered Port List */
/* One entry (port) per adapter */
rh->rpl.EntryCnt = cpu_to_be32(1);
- memcpy(&rh->rpl.pe, &phba->pport->fc_sparam.portName,
+ memcpy(&rh->rpl.pe.PortName,
+ &phba->pport->fc_sparam.portName,
sizeof(struct lpfc_name));
/* point to the HBA attribute block */
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 009aa0eee040..48d4d576d588 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1333,25 +1333,8 @@ struct fc_rdp_res_frame {
/* lpfc_sli_ct_request defines the CT_IU preamble for FDMI commands */
#define SLI_CT_FDMI_Subtypes 0x10 /* Management Service Subtype */
-/*
- * Registered Port List Format
- */
-struct lpfc_fdmi_reg_port_list {
- uint32_t EntryCnt;
- uint32_t pe; /* Variable-length array */
-};
-
-
/* Definitions for HBA / Port attribute entries */
-struct lpfc_fdmi_attr_def { /* Defined in TLV format */
- /* Structure is in Big Endian format */
- uint32_t AttrType:16;
- uint32_t AttrLen:16;
- uint32_t AttrValue; /* Marks start of Value (ATTRIBUTE_ENTRY) */
-};
-
-
/* Attribute Entry */
struct lpfc_fdmi_attr_entry {
union {
@@ -1362,7 +1345,13 @@ struct lpfc_fdmi_attr_entry {
} un;
};
-#define LPFC_FDMI_MAX_AE_SIZE sizeof(struct lpfc_fdmi_attr_entry)
+struct lpfc_fdmi_attr_def { /* Defined in TLV format */
+ /* Structure is in Big Endian format */
+ uint32_t AttrType:16;
+ uint32_t AttrLen:16;
+ /* Marks start of Value (ATTRIBUTE_ENTRY) */
+ struct lpfc_fdmi_attr_entry AttrValue;
+} __packed;
/*
* HBA Attribute Block
@@ -1386,13 +1375,20 @@ struct lpfc_fdmi_hba_ident {
struct lpfc_name PortName;
};
+/*
+ * Registered Port List Format
+ */
+struct lpfc_fdmi_reg_port_list {
+ uint32_t EntryCnt;
+ struct lpfc_fdmi_port_entry pe;
+} __packed;
+
/*
* Register HBA(RHBA)
*/
struct lpfc_fdmi_reg_hba {
struct lpfc_fdmi_hba_ident hi;
- struct lpfc_fdmi_reg_port_list rpl; /* variable-length array */
-/* struct lpfc_fdmi_attr_block ab; */
+ struct lpfc_fdmi_reg_port_list rpl;
};
/*
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index a56a939792ac..2ab351260e81 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -17413,6 +17413,10 @@ lpfc_prep_seq(struct lpfc_vport *vport, struct hbq_dmabuf *seq_dmabuf)
list_add_tail(&iocbq->list, &first_iocbq->list);
}
}
+ /* Free the sequence's header buffer */
+ if (!first_iocbq)
+ lpfc_in_buf_free(vport->phba, &seq_dmabuf->dbuf);
+
return first_iocbq;
}
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index ba79b37d8cf7..5becdde3ea32 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -1184,8 +1184,8 @@ int pm8001_abort_task(struct sas_task *task)
pm8001_ha = pm8001_find_ha_by_dev(dev);
device_id = pm8001_dev->device_id;
phy_id = pm8001_dev->attached_phy;
- rc = pm8001_find_tag(task, &tag);
- if (rc == 0) {
+ ret = pm8001_find_tag(task, &tag);
+ if (ret == 0) {
pm8001_printk("no tag for task:%p\n", task);
return TMF_RESP_FUNC_FAILED;
}
@@ -1223,26 +1223,50 @@ int pm8001_abort_task(struct sas_task *task)
/* 2. Send Phy Control Hard Reset */
reinit_completion(&completion);
+ phy->port_reset_status = PORT_RESET_TMO;
phy->reset_success = false;
phy->enable_completion = &completion;
phy->reset_completion = &completion_reset;
ret = PM8001_CHIP_DISP->phy_ctl_req(pm8001_ha, phy_id,
PHY_HARD_RESET);
- if (ret)
- goto out;
- PM8001_MSG_DBG(pm8001_ha,
- pm8001_printk("Waiting for local phy ctl\n"));
- wait_for_completion(&completion);
- if (!phy->reset_success)
+ if (ret) {
+ phy->enable_completion = NULL;
+ phy->reset_completion = NULL;
goto out;
+ }
- /* 3. Wait for Port Reset complete / Port reset TMO */
+ /* In the case of the reset timeout/fail we still
+ * abort the command at the firmware. The assumption
+ * here is that the drive is off doing something so
+ * that it's not processing requests, and we want to
+ * avoid getting a completion for this and either
+ * leaking the task in libsas or losing the race and
+ * getting a double free.
+ */
PM8001_MSG_DBG(pm8001_ha,
+ pm8001_printk("Waiting for local phy ctl\n"));
+ ret = wait_for_completion_timeout(&completion,
+ PM8001_TASK_TIMEOUT * HZ);
+ if (!ret || !phy->reset_success) {
+ phy->enable_completion = NULL;
+ phy->reset_completion = NULL;
+ } else {
+ /* 3. Wait for Port Reset complete or
+ * Port reset TMO
+ */
+ PM8001_MSG_DBG(pm8001_ha,
pm8001_printk("Waiting for Port reset\n"));
- wait_for_completion(&completion_reset);
- if (phy->port_reset_status) {
- pm8001_dev_gone_notify(dev);
- goto out;
+ ret = wait_for_completion_timeout(
+ &completion_reset,
+ PM8001_TASK_TIMEOUT * HZ);
+ if (!ret)
+ phy->reset_completion = NULL;
+ WARN_ON(phy->port_reset_status ==
+ PORT_RESET_TMO);
+ if (phy->port_reset_status == PORT_RESET_TMO) {
+ pm8001_dev_gone_notify(dev);
+ goto out;
+ }
}
/*
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 751941a3ed30..aa451c8b49e5 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -1065,6 +1065,9 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
break;
}
+ if (!abrt_conn)
+ wait_delay += qedi->pf_params.iscsi_pf_params.two_msl_timer;
+
qedi_ep->state = EP_STATE_DISCONN_START;
ret = qedi_ops->destroy_conn(qedi->cdev, qedi_ep->handle, abrt_conn);
if (ret) {
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index eb10a5cacd90..b2cbdd01ab10 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -353,27 +353,27 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba,
u8 opcode = 0;
u32 intr, doorbell;
struct ufshcd_lrb *lrbp = &hba->lrb[tag];
+ struct scsi_cmnd *cmd = lrbp->cmd;
int transfer_len = -1;
if (!trace_ufshcd_command_enabled()) {
/* trace UPIU W/O tracing command */
- if (lrbp->cmd)
+ if (cmd)
ufshcd_add_cmd_upiu_trace(hba, tag, str);
return;
}
- if (lrbp->cmd) { /* data phase exists */
+ if (cmd) { /* data phase exists */
/* trace UPIU also */
ufshcd_add_cmd_upiu_trace(hba, tag, str);
- opcode = (u8)(*lrbp->cmd->cmnd);
+ opcode = cmd->cmnd[0];
if ((opcode == READ_10) || (opcode == WRITE_10)) {
/*
* Currently we only fully trace read(10) and write(10)
* commands
*/
- if (lrbp->cmd->request && lrbp->cmd->request->bio)
- lba =
- lrbp->cmd->request->bio->bi_iter.bi_sector;
+ if (cmd->request && cmd->request->bio)
+ lba = cmd->request->bio->bi_iter.bi_sector;
transfer_len = be32_to_cpu(
lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
}
@@ -1910,12 +1910,12 @@ void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)
{
hba->lrb[task_tag].issue_time_stamp = ktime_get();
hba->lrb[task_tag].compl_time_stamp = ktime_set(0, 0);
+ ufshcd_add_command_trace(hba, task_tag, "send");
ufshcd_clk_scaling_start_busy(hba);
__set_bit(task_tag, &hba->outstanding_reqs);
ufshcd_writel(hba, 1 << task_tag, REG_UTP_TRANSFER_REQ_DOOR_BELL);
/* Make sure that doorbell is committed immediately */
wmb();
- ufshcd_add_command_trace(hba, task_tag, "send");
}
/**
diff --git a/drivers/staging/media/imx/imx-media-capture.c b/drivers/staging/media/imx/imx-media-capture.c
index 256039ce561e..81a3370551db 100644
--- a/drivers/staging/media/imx/imx-media-capture.c
+++ b/drivers/staging/media/imx/imx-media-capture.c
@@ -678,7 +678,7 @@ int imx_media_capture_device_register(struct imx_media_video_dev *vdev)
/* setup default format */
fmt_src.pad = priv->src_sd_pad;
fmt_src.which = V4L2_SUBDEV_FORMAT_ACTIVE;
- v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
+ ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &fmt_src);
if (ret) {
v4l2_err(sd, "failed to get src_sd format\n");
goto unreg;
diff --git a/drivers/staging/rtl8188eu/core/rtw_recv.c b/drivers/staging/rtl8188eu/core/rtw_recv.c
index 17b4b9257b49..0ddf41b5a734 100644
--- a/drivers/staging/rtl8188eu/core/rtw_recv.c
+++ b/drivers/staging/rtl8188eu/core/rtw_recv.c
@@ -1535,21 +1535,14 @@ static int amsdu_to_msdu(struct adapter *padapter, struct recv_frame *prframe)
/* Allocate new skb for releasing to upper layer */
sub_skb = dev_alloc_skb(nSubframe_Length + 12);
- if (sub_skb) {
- skb_reserve(sub_skb, 12);
- skb_put_data(sub_skb, pdata, nSubframe_Length);
- } else {
- sub_skb = skb_clone(prframe->pkt, GFP_ATOMIC);
- if (sub_skb) {
- sub_skb->data = pdata;
- sub_skb->len = nSubframe_Length;
- skb_set_tail_pointer(sub_skb, nSubframe_Length);
- } else {
- DBG_88E("skb_clone() Fail!!! , nr_subframes=%d\n", nr_subframes);
- break;
- }
+ if (!sub_skb) {
+ DBG_88E("dev_alloc_skb() Fail!!! , nr_subframes=%d\n", nr_subframes);
+ break;
}
+ skb_reserve(sub_skb, 12);
+ skb_put_data(sub_skb, pdata, nSubframe_Length);
+
subframes[nr_subframes++] = sub_skb;
if (nr_subframes >= MAX_SUBFRAME_COUNT) {
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c
index 4dc30e7890f6..140386d7c75a 100644
--- a/drivers/thermal/rcar_thermal.c
+++ b/drivers/thermal/rcar_thermal.c
@@ -505,8 +505,10 @@ static int rcar_thermal_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM,
mres++);
common->base = devm_ioremap_resource(dev, res);
- if (IS_ERR(common->base))
- return PTR_ERR(common->base);
+ if (IS_ERR(common->base)) {
+ ret = PTR_ERR(common->base);
+ goto error_unregister;
+ }
idle = 0; /* polling delay is not needed */
}
diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c
index a019286f8bb6..cbd006fb7fbb 100644
--- a/drivers/tty/serial/8250/8250_omap.c
+++ b/drivers/tty/serial/8250/8250_omap.c
@@ -781,7 +781,10 @@ static void __dma_rx_do_complete(struct uart_8250_port *p)
dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
count = dma->rx_size - state.residue;
-
+ if (count < dma->rx_size)
+ dmaengine_terminate_async(dma->rxchan);
+ if (!count)
+ goto unlock;
ret = tty_insert_flip_string(tty_port, dma->rx_buf, count);
p->port.icount.rx += ret;
@@ -843,7 +846,6 @@ static void omap_8250_rx_dma_flush(struct uart_8250_port *p)
spin_unlock_irqrestore(&priv->rx_dma_lock, flags);
__dma_rx_do_complete(p);
- dmaengine_terminate_all(dma->rxchan);
}
static int omap_8250_rx_dma(struct uart_8250_port *p)
@@ -1227,11 +1229,11 @@ static int omap8250_probe(struct platform_device *pdev)
spin_lock_init(&priv->rx_dma_lock);
device_init_wakeup(&pdev->dev, true);
+ pm_runtime_enable(&pdev->dev);
pm_runtime_use_autosuspend(&pdev->dev);
pm_runtime_set_autosuspend_delay(&pdev->dev, -1);
pm_runtime_irq_safe(&pdev->dev);
- pm_runtime_enable(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 09f0dc3b967b..60ca19eca1f6 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -1861,6 +1861,7 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
unsigned char status;
unsigned long flags;
struct uart_8250_port *up = up_to_u8250p(port);
+ bool skip_rx = false;
if (iir & UART_IIR_NO_INT)
return 0;
@@ -1869,7 +1870,20 @@ int serial8250_handle_irq(struct uart_port *port, unsigned int iir)
status = serial_port_in(port, UART_LSR);
- if (status & (UART_LSR_DR | UART_LSR_BI)) {
+ /*
+ * If port is stopped and there are no error conditions in the
+ * FIFO, then don't drain the FIFO, as this may lead to TTY buffer
+ * overflow. Not servicing, RX FIFO would trigger auto HW flow
+ * control when FIFO occupancy reaches preset threshold, thus
+ * halting RX. This only works when auto HW flow control is
+ * available.
+ */
+ if (!(status & (UART_LSR_FIFOE | UART_LSR_BRK_ERROR_BITS)) &&
+ (port->status & (UPSTAT_AUTOCTS | UPSTAT_AUTORTS)) &&
+ !(port->read_status_mask & UART_LSR_DR))
+ skip_rx = true;
+
+ if (status & (UART_LSR_DR | UART_LSR_BI) && !skip_rx) {
if (!up->dma || handle_rx_dma(up, iir))
status = serial8250_rx_chars(up, status);
}
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index fcb89bf2524d..1528a7ba2bf4 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1187,14 +1187,14 @@ static unsigned int s3c24xx_serial_getclk(struct s3c24xx_uart_port *ourport,
struct s3c24xx_uart_info *info = ourport->info;
struct clk *clk;
unsigned long rate;
- unsigned int cnt, baud, quot, clk_sel, best_quot = 0;
+ unsigned int cnt, baud, quot, best_quot = 0;
char clkname[MAX_CLK_NAME_LENGTH];
int calc_deviation, deviation = (1 << 30) - 1;
- clk_sel = (ourport->cfg->clk_sel) ? ourport->cfg->clk_sel :
- ourport->info->def_clk_sel;
for (cnt = 0; cnt < info->num_clks; cnt++) {
- if (!(clk_sel & (1 << cnt)))
+ /* Keep selected clock if provided */
+ if (ourport->cfg->clk_sel &&
+ !(ourport->cfg->clk_sel & (1 << cnt)))
continue;
sprintf(clkname, "clk_uart_baud%d", cnt);
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 31950a38f0fb..23f9b0cdff08 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1236,6 +1236,7 @@ static int cdns_uart_console_setup(struct console *co, char *options)
int bits = 8;
int parity = 'n';
int flow = 'n';
+ unsigned long time_out;
if (!port->membase) {
pr_debug("console on " CDNS_UART_TTY_NAME "%i not present\n",
@@ -1246,6 +1247,13 @@ static int cdns_uart_console_setup(struct console *co, char *options)
if (options)
uart_parse_options(options, &baud, &parity, &bits, &flow);
+ /* Wait for tx_empty before setting up the console */
+ time_out = jiffies + usecs_to_jiffies(TX_TIMEOUT);
+
+ while (time_before(jiffies, time_out) &&
+ cdns_uart_tx_empty(port) != TIOCSER_TEMT)
+ cpu_relax();
+
return uart_set_options(port, co, baud, parity, bits, flow);
}
diff --git a/drivers/tty/vcc.c b/drivers/tty/vcc.c
index 58b454c34560..10a832a2135e 100644
--- a/drivers/tty/vcc.c
+++ b/drivers/tty/vcc.c
@@ -604,6 +604,7 @@ static int vcc_probe(struct vio_dev *vdev, const struct vio_device_id *id)
port->index = vcc_table_add(port);
if (port->index == -1) {
pr_err("VCC: no more TTY indices left for allocation\n");
+ rv = -ENOMEM;
goto free_ldc;
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 7bf2573dd459..37cc3fd7c3ca 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -270,7 +270,7 @@ int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned cmd,
{
const struct usb_endpoint_descriptor *desc = dep->endpoint.desc;
struct dwc3 *dwc = dep->dwc;
- u32 timeout = 1000;
+ u32 timeout = 5000;
u32 saved_config = 0;
u32 reg;
diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c
index de764459e05a..9d93e7441bbc 100644
--- a/drivers/usb/host/ehci-mv.c
+++ b/drivers/usb/host/ehci-mv.c
@@ -192,12 +192,10 @@ static int mv_ehci_probe(struct platform_device *pdev)
hcd->rsrc_len = resource_size(r);
hcd->regs = ehci_mv->op_regs;
- hcd->irq = platform_get_irq(pdev, 0);
- if (!hcd->irq) {
- dev_err(&pdev->dev, "Cannot get irq.");
- retval = -ENODEV;
+ retval = platform_get_irq(pdev, 0);
+ if (retval < 0)
goto err_disable_clk;
- }
+ hcd->irq = retval;
ehci = hcd_to_ehci(hcd);
ehci->caps = (struct ehci_caps *) ehci_mv->cap_regs;
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 9f72a6ee13b5..58e7336b2748 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -409,6 +409,19 @@ static void vfio_pci_release(void *device_data)
if (!(--vdev->refcnt)) {
vfio_spapr_pci_eeh_release(vdev->pdev);
vfio_pci_disable(vdev);
+ mutex_lock(&vdev->igate);
+ if (vdev->err_trigger) {
+ eventfd_ctx_put(vdev->err_trigger);
+ vdev->err_trigger = NULL;
+ }
+ mutex_unlock(&vdev->igate);
+
+ mutex_lock(&vdev->igate);
+ if (vdev->req_trigger) {
+ eventfd_ctx_put(vdev->req_trigger);
+ vdev->req_trigger = NULL;
+ }
+ mutex_unlock(&vdev->igate);
}
mutex_unlock(&driver_lock);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 8ac8f7469354..9f3faac49025 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1793,6 +1793,16 @@ static void __blkdev_put(struct block_device *bdev, fmode_t mode, int for_part)
struct gendisk *disk = bdev->bd_disk;
struct block_device *victim = NULL;
+ /*
+ * Sync early if it looks like we're the last one. If someone else
+ * opens the block device between now and the decrement of bd_openers
+ * then we did a sync that we didn't need to, but that's not the end
+ * of the world and we want to avoid long (could be several minute)
+ * syncs while holding the mutex.
+ */
+ if (bdev->bd_openers == 1)
+ sync_blockdev(bdev);
+
mutex_lock_nested(&bdev->bd_mutex, for_part);
if (for_part)
bdev->bd_part_count--;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 319a89d4d073..ce5e0f6c6af4 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -9098,8 +9098,6 @@ int btrfs_drop_snapshot(struct btrfs_root *root,
*/
if (!for_reloc && !root_dropped)
btrfs_add_dead_root(root);
- if (err && err != -EAGAIN)
- btrfs_handle_fs_error(fs_info, err, NULL);
return err;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index bdfe159a60da..64d459ca76d0 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -8913,20 +8913,17 @@ static void btrfs_invalidatepage(struct page *page, unsigned int offset,
/*
* Qgroup reserved space handler
* Page here will be either
- * 1) Already written to disk
- * In this case, its reserved space is released from data rsv map
- * and will be freed by delayed_ref handler finally.
- * So even we call qgroup_free_data(), it won't decrease reserved
- * space.
- * 2) Not written to disk
- * This means the reserved space should be freed here. However,
- * if a truncate invalidates the page (by clearing PageDirty)
- * and the page is accounted for while allocating extent
- * in btrfs_check_data_free_space() we let delayed_ref to
- * free the entire extent.
+ * 1) Already written to disk or ordered extent already submitted
+ * Then its QGROUP_RESERVED bit in io_tree is already cleaned.
+ * Qgroup will be handled by its qgroup_record then.
+ * btrfs_qgroup_free_data() call will do nothing here.
+ *
+ * 2) Not written to disk yet
+ * Then btrfs_qgroup_free_data() call will clear the QGROUP_RESERVED
+ * bit of its io_tree, and free the qgroup reserved data space.
+ * Since the IO will never happen for this page.
*/
- if (PageDirty(page))
- btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);
+ btrfs_qgroup_free_data(inode, NULL, page_start, PAGE_SIZE);
if (!inode_evicting) {
clear_extent_bit(tree, page_start, page_end,
EXTENT_LOCKED | EXTENT_DIRTY |
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index a2d4eed27f80..c0dbf8b7762b 100644
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -2015,12 +2015,24 @@ void ceph_check_caps(struct ceph_inode_info *ci, int flags,
if (mutex_trylock(&session->s_mutex) == 0) {
dout("inverting session/ino locks on %p\n",
session);
+ session = ceph_get_mds_session(session);
spin_unlock(&ci->i_ceph_lock);
if (took_snap_rwsem) {
up_read(&mdsc->snap_rwsem);
took_snap_rwsem = 0;
}
- mutex_lock(&session->s_mutex);
+ if (session) {
+ mutex_lock(&session->s_mutex);
+ ceph_put_mds_session(session);
+ } else {
+ /*
+ * Because we take the reference while
+ * holding the i_ceph_lock, it should
+ * never be NULL. Throw a warning if it
+ * ever is.
+ */
+ WARN_ON_ONCE(true);
+ }
goto retry;
}
}
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 1e438e0faf77..3c24fb77ef32 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -764,8 +764,11 @@ static int fill_inode(struct inode *inode, struct page *locked_page,
info_caps = le32_to_cpu(info->cap.caps);
/* prealloc new cap struct */
- if (info_caps && ceph_snap(inode) == CEPH_NOSNAP)
+ if (info_caps && ceph_snap(inode) == CEPH_NOSNAP) {
new_cap = ceph_get_cap(mdsc, caps_reservation);
+ if (!new_cap)
+ return -ENOMEM;
+ }
/*
* prealloc xattr data, if it looks like we'll need it. only
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 71c2dd0c7f03..2c632793c88c 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -259,8 +259,9 @@ struct smb_version_operations {
int (*check_message)(char *, unsigned int, struct TCP_Server_Info *);
bool (*is_oplock_break)(char *, struct TCP_Server_Info *);
int (*handle_cancelled_mid)(char *, struct TCP_Server_Info *);
- void (*downgrade_oplock)(struct TCP_Server_Info *,
- struct cifsInodeInfo *, bool);
+ void (*downgrade_oplock)(struct TCP_Server_Info *server,
+ struct cifsInodeInfo *cinode, __u32 oplock,
+ unsigned int epoch, bool *purge_cache);
/* process transaction2 response */
bool (*check_trans2)(struct mid_q_entry *, struct TCP_Server_Info *,
char *, int);
@@ -1160,6 +1161,8 @@ struct cifsFileInfo {
unsigned int f_flags;
bool invalidHandle:1; /* file closed via session abend */
bool oplock_break_cancelled:1;
+ unsigned int oplock_epoch; /* epoch from the lease break */
+ __u32 oplock_level; /* oplock/lease level from the lease break */
int count;
spinlock_t file_info_lock; /* protects four flag/count fields above */
struct mutex fh_mutex; /* prevents reopen race after dead ses*/
@@ -1300,7 +1303,7 @@ struct cifsInodeInfo {
unsigned int epoch; /* used to track lease state changes */
#define CIFS_INODE_PENDING_OPLOCK_BREAK (0) /* oplock break in progress */
#define CIFS_INODE_PENDING_WRITERS (1) /* Writes in progress */
-#define CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2 (2) /* Downgrade oplock to L2 */
+#define CIFS_INODE_FLAG_UNUSED (2) /* Unused flag */
#define CIFS_INO_DELETE_PENDING (3) /* delete pending on server */
#define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */
#define CIFS_INO_LOCK (5) /* lock bit for synchronization */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 128cbd69911b..5cb15649adb0 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -3804,7 +3804,8 @@ readpages_get_pages(struct address_space *mapping, struct list_head *page_list,
break;
__SetPageLocked(page);
- if (add_to_page_cache_locked(page, mapping, page->index, gfp)) {
+ rc = add_to_page_cache_locked(page, mapping, page->index, gfp);
+ if (rc) {
__ClearPageLocked(page);
break;
}
@@ -3820,6 +3821,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
struct list_head *page_list, unsigned num_pages)
{
int rc;
+ int err = 0;
struct list_head tmplist;
struct cifsFileInfo *open_file = file->private_data;
struct cifs_sb_info *cifs_sb = CIFS_FILE_SB(file);
@@ -3860,7 +3862,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
* the order of declining indexes. When we put the pages in
* the rdata->pages, then we want them in increasing order.
*/
- while (!list_empty(page_list)) {
+ while (!list_empty(page_list) && !err) {
unsigned int i, nr_pages, bytes, rsize;
loff_t offset;
struct page *page, *tpage;
@@ -3883,9 +3885,10 @@ static int cifs_readpages(struct file *file, struct address_space *mapping,
return 0;
}
- rc = readpages_get_pages(mapping, page_list, rsize, &tmplist,
+ nr_pages = 0;
+ err = readpages_get_pages(mapping, page_list, rsize, &tmplist,
&nr_pages, &offset, &bytes);
- if (rc) {
+ if (!nr_pages) {
add_credits_and_wake_if(server, credits, 0);
break;
}
@@ -4185,12 +4188,13 @@ void cifs_oplock_break(struct work_struct *work)
struct cifs_tcon *tcon = tlink_tcon(cfile->tlink);
struct TCP_Server_Info *server = tcon->ses->server;
int rc = 0;
+ bool purge_cache = false;
wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS,
TASK_UNINTERRUPTIBLE);
- server->ops->downgrade_oplock(server, cinode,
- test_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2, &cinode->flags));
+ server->ops->downgrade_oplock(server, cinode, cfile->oplock_level,
+ cfile->oplock_epoch, &purge_cache);
if (!CIFS_CACHE_WRITE(cinode) && CIFS_CACHE_READ(cinode) &&
cifs_has_mand_locks(cinode)) {
@@ -4205,18 +4209,21 @@ void cifs_oplock_break(struct work_struct *work)
else
break_lease(inode, O_WRONLY);
rc = filemap_fdatawrite(inode->i_mapping);
- if (!CIFS_CACHE_READ(cinode)) {
+ if (!CIFS_CACHE_READ(cinode) || purge_cache) {
rc = filemap_fdatawait(inode->i_mapping);
mapping_set_error(inode->i_mapping, rc);
cifs_zap_mapping(inode);
}
cifs_dbg(FYI, "Oplock flush inode %p rc %d\n", inode, rc);
+ if (CIFS_CACHE_WRITE(cinode))
+ goto oplock_break_ack;
}
rc = cifs_push_locks(cfile);
if (rc)
cifs_dbg(VFS, "Push locks rc = %d\n", rc);
+oplock_break_ack:
/*
* releasing stale oplock after recent reconnect of smb session using
* a now incorrect file handle is not a data integrity issue but do
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index e45f8e321371..dd67f56ea61e 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -477,21 +477,10 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
set_bit(CIFS_INODE_PENDING_OPLOCK_BREAK,
&pCifsInode->flags);
- /*
- * Set flag if the server downgrades the oplock
- * to L2 else clear.
- */
- if (pSMB->OplockLevel)
- set_bit(
- CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &pCifsInode->flags);
- else
- clear_bit(
- CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &pCifsInode->flags);
-
- cifs_queue_oplock_break(netfile);
+ netfile->oplock_epoch = 0;
+ netfile->oplock_level = pSMB->OplockLevel;
netfile->oplock_break_cancelled = false;
+ cifs_queue_oplock_break(netfile);
spin_unlock(&tcon->open_file_lock);
spin_unlock(&cifs_tcp_ses_lock);
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index c7f0c8566442..0b7f92451284 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -381,12 +381,10 @@ coalesce_t2(char *second_buf, struct smb_hdr *target_hdr)
static void
cifs_downgrade_oplock(struct TCP_Server_Info *server,
- struct cifsInodeInfo *cinode, bool set_level2)
+ struct cifsInodeInfo *cinode, __u32 oplock,
+ unsigned int epoch, bool *purge_cache)
{
- if (set_level2)
- cifs_set_oplock_level(cinode, OPLOCK_READ);
- else
- cifs_set_oplock_level(cinode, 0);
+ cifs_set_oplock_level(cinode, oplock);
}
static bool
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 2fc96f7923ee..7d875a47d022 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -550,7 +550,7 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp)
cifs_dbg(FYI, "found in the open list\n");
cifs_dbg(FYI, "lease key match, lease break 0x%x\n",
- le32_to_cpu(rsp->NewLeaseState));
+ lease_state);
if (ack_req)
cfile->oplock_break_cancelled = false;
@@ -559,17 +559,8 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp)
set_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
- /*
- * Set or clear flags depending on the lease state being READ.
- * HANDLE caching flag should be added when the client starts
- * to defer closing remote file handles with HANDLE leases.
- */
- if (lease_state & SMB2_LEASE_READ_CACHING_HE)
- set_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &cinode->flags);
- else
- clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &cinode->flags);
+ cfile->oplock_epoch = le16_to_cpu(rsp->Epoch);
+ cfile->oplock_level = lease_state;
cifs_queue_oplock_break(cfile);
return true;
@@ -599,7 +590,7 @@ smb2_tcon_find_pending_open_lease(struct cifs_tcon *tcon,
cifs_dbg(FYI, "found in the pending open list\n");
cifs_dbg(FYI, "lease key match, lease break 0x%x\n",
- le32_to_cpu(rsp->NewLeaseState));
+ lease_state);
open->oplock = lease_state;
}
@@ -732,18 +723,9 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
set_bit(CIFS_INODE_PENDING_OPLOCK_BREAK,
&cinode->flags);
- /*
- * Set flag if the server downgrades the oplock
- * to L2 else clear.
- */
- if (rsp->OplockLevel)
- set_bit(
- CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &cinode->flags);
- else
- clear_bit(
- CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
- &cinode->flags);
+ cfile->oplock_epoch = 0;
+ cfile->oplock_level = rsp->OplockLevel;
+
spin_unlock(&cfile->file_info_lock);
cifs_queue_oplock_break(cfile);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index 2a523139a05f..947a40069d24 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -2358,22 +2358,38 @@ static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode,
static void
smb2_downgrade_oplock(struct TCP_Server_Info *server,
- struct cifsInodeInfo *cinode, bool set_level2)
+ struct cifsInodeInfo *cinode, __u32 oplock,
+ unsigned int epoch, bool *purge_cache)
{
- if (set_level2)
- server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II,
- 0, NULL);
- else
- server->ops->set_oplock_level(cinode, 0, 0, NULL);
+ server->ops->set_oplock_level(cinode, oplock, 0, NULL);
}
static void
-smb21_downgrade_oplock(struct TCP_Server_Info *server,
- struct cifsInodeInfo *cinode, bool set_level2)
+smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
+ unsigned int epoch, bool *purge_cache);
+
+static void
+smb3_downgrade_oplock(struct TCP_Server_Info *server,
+ struct cifsInodeInfo *cinode, __u32 oplock,
+ unsigned int epoch, bool *purge_cache)
{
- server->ops->set_oplock_level(cinode,
- set_level2 ? SMB2_LEASE_READ_CACHING_HE :
- 0, 0, NULL);
+ unsigned int old_state = cinode->oplock;
+ unsigned int old_epoch = cinode->epoch;
+ unsigned int new_state;
+
+ if (epoch > old_epoch) {
+ smb21_set_oplock_level(cinode, oplock, 0, NULL);
+ cinode->epoch = epoch;
+ }
+
+ new_state = cinode->oplock;
+ *purge_cache = false;
+
+ if ((old_state & CIFS_CACHE_READ_FLG) != 0 &&
+ (new_state & CIFS_CACHE_READ_FLG) == 0)
+ *purge_cache = true;
+ else if (old_state == new_state && (epoch - old_epoch > 1))
+ *purge_cache = true;
}
static void
@@ -3449,7 +3465,7 @@ struct smb_version_operations smb21_operations = {
.print_stats = smb2_print_stats,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb21_downgrade_oplock,
+ .downgrade_oplock = smb2_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
@@ -3546,7 +3562,7 @@ struct smb_version_operations smb30_operations = {
.dump_share_caps = smb2_dump_share_caps,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb21_downgrade_oplock,
+ .downgrade_oplock = smb3_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
@@ -3651,7 +3667,7 @@ struct smb_version_operations smb311_operations = {
.dump_share_caps = smb2_dump_share_caps,
.is_oplock_break = smb2_is_valid_oplock_break,
.handle_cancelled_mid = smb2_handle_cancelled_mid,
- .downgrade_oplock = smb21_downgrade_oplock,
+ .downgrade_oplock = smb3_downgrade_oplock,
.need_neg = smb2_need_neg,
.negotiate = smb2_negotiate,
.negotiate_wsize = smb2_negotiate_wsize,
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 308c682fa4d3..44501f8cbd75 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -1209,7 +1209,7 @@ struct smb2_oplock_break {
struct smb2_lease_break {
struct smb2_sync_hdr sync_hdr;
__le16 StructureSize; /* Must be 44 */
- __le16 Reserved;
+ __le16 Epoch;
__le32 Flags;
__u8 LeaseKey[16];
__le32 CurrentLeaseState;
diff --git a/fs/dcache.c b/fs/dcache.c
index 6e0022326afe..20370a0997bf 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -864,17 +864,19 @@ struct dentry *dget_parent(struct dentry *dentry)
{
int gotref;
struct dentry *ret;
+ unsigned seq;
/*
* Do optimistic parent lookup without any
* locking.
*/
rcu_read_lock();
+ seq = raw_seqcount_begin(&dentry->d_seq);
ret = READ_ONCE(dentry->d_parent);
gotref = lockref_get_not_zero(&ret->d_lockref);
rcu_read_unlock();
if (likely(gotref)) {
- if (likely(ret == READ_ONCE(dentry->d_parent)))
+ if (!read_seqcount_retry(&dentry->d_seq, seq))
return ret;
dput(ret);
}
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index cd833f4e64ef..52be4c965024 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5315,7 +5315,7 @@ static int ext4_do_update_inode(handle_t *handle,
raw_inode->i_file_acl_high =
cpu_to_le16(ei->i_file_acl >> 32);
raw_inode->i_file_acl_lo = cpu_to_le32(ei->i_file_acl);
- if (ei->i_disksize != ext4_isize(inode->i_sb, raw_inode)) {
+ if (READ_ONCE(ei->i_disksize) != ext4_isize(inode->i_sb, raw_inode)) {
ext4_isize_set(raw_inode, ei->i_disksize);
need_datasync = 1;
}
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 8dd54a8a0361..054cfdd007d6 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1901,8 +1901,15 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac,
BUG_ON(buddy == NULL);
k = mb_find_next_zero_bit(buddy, max, 0);
- BUG_ON(k >= max);
-
+ if (k >= max) {
+ ext4_grp_locked_error(ac->ac_sb, e4b->bd_group, 0, 0,
+ "%d free clusters of order %d. But found 0",
+ grp->bb_counters[i], i);
+ ext4_mark_group_bitmap_corrupted(ac->ac_sb,
+ e4b->bd_group,
+ EXT4_GROUP_INFO_BBITMAP_CORRUPT);
+ break;
+ }
ac->ac_found++;
ac->ac_b_ex.fe_len = 1 << i;
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 01e6ea11822b..c51c9a6881e4 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -831,7 +831,6 @@ static int fuse_check_page(struct page *page)
{
if (page_mapcount(page) ||
page->mapping != NULL ||
- page_count(page) != 1 ||
(page->flags & PAGE_FLAGS_CHECK_AT_PREP &
~(1 << PG_locked |
1 << PG_referenced |
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index d968b5c5df21..a52b8b0dceeb 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -715,7 +715,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = gfs2_trans_begin(sdp, blocks, 0);
if (error)
- goto fail_gunlock2;
+ goto fail_free_inode;
if (blocks > 1) {
ip->i_eattr = ip->i_no_addr + 1;
@@ -726,7 +726,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
error = gfs2_glock_get(sdp, ip->i_no_addr, &gfs2_iopen_glops, CREATE, &io_gl);
if (error)
- goto fail_gunlock2;
+ goto fail_free_inode;
BUG_ON(test_and_set_bit(GLF_INODE_CREATING, &io_gl->gl_flags));
@@ -735,7 +735,6 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
goto fail_gunlock2;
glock_set_object(ip->i_iopen_gh.gh_gl, ip);
- gfs2_glock_put(io_gl);
gfs2_set_iop(inode);
insert_inode_hash(inode);
@@ -768,6 +767,8 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
mark_inode_dirty(inode);
d_instantiate(dentry, inode);
+ /* After instantiate, errors should result in evict which will destroy
+ * both inode and iopen glocks properly. */
if (file) {
file->f_mode |= FMODE_CREATED;
error = finish_open(file, dentry, gfs2_open_common);
@@ -775,15 +776,15 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
gfs2_glock_dq_uninit(ghs);
gfs2_glock_dq_uninit(ghs + 1);
clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ gfs2_glock_put(io_gl);
return error;
fail_gunlock3:
glock_clear_object(io_gl, ip);
gfs2_glock_dq_uninit(&ip->i_iopen_gh);
- gfs2_glock_put(io_gl);
fail_gunlock2:
- if (io_gl)
- clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ clear_bit(GLF_INODE_CREATING, &io_gl->gl_flags);
+ gfs2_glock_put(io_gl);
fail_free_inode:
if (ip->i_gl) {
glock_clear_object(ip->i_gl, ip);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 5dae7c85d9b6..2c7d76b4c5e1 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -132,47 +132,70 @@ nfs_async_iocounter_wait(struct rpc_task *task, struct nfs_lock_context *l_ctx)
EXPORT_SYMBOL_GPL(nfs_async_iocounter_wait);
/*
- * nfs_page_group_lock - lock the head of the page group
- * @req - request in group that is to be locked
+ * nfs_page_set_headlock - set the request PG_HEADLOCK
+ * @req: request that is to be locked
*
- * this lock must be held when traversing or modifying the page
- * group list
+ * this lock must be held when modifying req->wb_head
*
* return 0 on success, < 0 on error
*/
int
-nfs_page_group_lock(struct nfs_page *req)
+nfs_page_set_headlock(struct nfs_page *req)
{
- struct nfs_page *head = req->wb_head;
-
- WARN_ON_ONCE(head != head->wb_head);
-
- if (!test_and_set_bit(PG_HEADLOCK, &head->wb_flags))
+ if (!test_and_set_bit(PG_HEADLOCK, &req->wb_flags))
return 0;
- set_bit(PG_CONTENDED1, &head->wb_flags);
+ set_bit(PG_CONTENDED1, &req->wb_flags);
smp_mb__after_atomic();
- return wait_on_bit_lock(&head->wb_flags, PG_HEADLOCK,
+ return wait_on_bit_lock(&req->wb_flags, PG_HEADLOCK,
TASK_UNINTERRUPTIBLE);
}
/*
- * nfs_page_group_unlock - unlock the head of the page group
- * @req - request in group that is to be unlocked
+ * nfs_page_clear_headlock - clear the request PG_HEADLOCK
+ * @req: request that is to be locked
*/
void
-nfs_page_group_unlock(struct nfs_page *req)
+nfs_page_clear_headlock(struct nfs_page *req)
{
- struct nfs_page *head = req->wb_head;
-
- WARN_ON_ONCE(head != head->wb_head);
-
smp_mb__before_atomic();
- clear_bit(PG_HEADLOCK, &head->wb_flags);
+ clear_bit(PG_HEADLOCK, &req->wb_flags);
smp_mb__after_atomic();
- if (!test_bit(PG_CONTENDED1, &head->wb_flags))
+ if (!test_bit(PG_CONTENDED1, &req->wb_flags))
return;
- wake_up_bit(&head->wb_flags, PG_HEADLOCK);
+ wake_up_bit(&req->wb_flags, PG_HEADLOCK);
+}
+
+/*
+ * nfs_page_group_lock - lock the head of the page group
+ * @req: request in group that is to be locked
+ *
+ * this lock must be held when traversing or modifying the page
+ * group list
+ *
+ * return 0 on success, < 0 on error
+ */
+int
+nfs_page_group_lock(struct nfs_page *req)
+{
+ int ret;
+
+ ret = nfs_page_set_headlock(req);
+ if (ret || req->wb_head == req)
+ return ret;
+ return nfs_page_set_headlock(req->wb_head);
+}
+
+/*
+ * nfs_page_group_unlock - unlock the head of the page group
+ * @req: request in group that is to be unlocked
+ */
+void
+nfs_page_group_unlock(struct nfs_page *req)
+{
+ if (req != req->wb_head)
+ nfs_page_clear_headlock(req->wb_head);
+ nfs_page_clear_headlock(req);
}
/*
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 63d20308a9bb..d419d89b91f7 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -416,22 +416,28 @@ nfs_destroy_unlinked_subrequests(struct nfs_page *destroy_list,
destroy_list = (subreq->wb_this_page == old_head) ?
NULL : subreq->wb_this_page;
+ /* Note: lock subreq in order to change subreq->wb_head */
+ nfs_page_set_headlock(subreq);
WARN_ON_ONCE(old_head != subreq->wb_head);
/* make sure old group is not used */
subreq->wb_this_page = subreq;
+ subreq->wb_head = subreq;
clear_bit(PG_REMOVE, &subreq->wb_flags);
/* Note: races with nfs_page_group_destroy() */
if (!kref_read(&subreq->wb_kref)) {
/* Check if we raced with nfs_page_group_destroy() */
- if (test_and_clear_bit(PG_TEARDOWN, &subreq->wb_flags))
+ if (test_and_clear_bit(PG_TEARDOWN, &subreq->wb_flags)) {
+ nfs_page_clear_headlock(subreq);
nfs_free_request(subreq);
+ } else
+ nfs_page_clear_headlock(subreq);
continue;
}
+ nfs_page_clear_headlock(subreq);
- subreq->wb_head = subreq;
nfs_release_request(old_head);
if (test_and_clear_bit(PG_INODE_REF, &subreq->wb_flags)) {
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index c24306af9758..655079ae1dd1 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -471,6 +471,8 @@ find_any_file(struct nfs4_file *f)
{
struct file *ret;
+ if (!f)
+ return NULL;
spin_lock(&f->fi_lock);
ret = __nfs4_get_fd(f, O_RDWR);
if (!ret) {
@@ -1207,6 +1209,12 @@ static void nfs4_put_stateowner(struct nfs4_stateowner *sop)
nfs4_free_stateowner(sop);
}
+static bool
+nfs4_ol_stateid_unhashed(const struct nfs4_ol_stateid *stp)
+{
+ return list_empty(&stp->st_perfile);
+}
+
static bool unhash_ol_stateid(struct nfs4_ol_stateid *stp)
{
struct nfs4_file *fp = stp->st_stid.sc_file;
@@ -1274,9 +1282,11 @@ static bool unhash_lock_stateid(struct nfs4_ol_stateid *stp)
{
lockdep_assert_held(&stp->st_stid.sc_client->cl_lock);
+ if (!unhash_ol_stateid(stp))
+ return false;
list_del_init(&stp->st_locks);
nfs4_unhash_stid(&stp->st_stid);
- return unhash_ol_stateid(stp);
+ return true;
}
static void release_lock_stateid(struct nfs4_ol_stateid *stp)
@@ -1341,13 +1351,12 @@ static void release_open_stateid_locks(struct nfs4_ol_stateid *open_stp,
static bool unhash_open_stateid(struct nfs4_ol_stateid *stp,
struct list_head *reaplist)
{
- bool unhashed;
-
lockdep_assert_held(&stp->st_stid.sc_client->cl_lock);
- unhashed = unhash_ol_stateid(stp);
+ if (!unhash_ol_stateid(stp))
+ return false;
release_open_stateid_locks(stp, reaplist);
- return unhashed;
+ return true;
}
static void release_open_stateid(struct nfs4_ol_stateid *stp)
@@ -5774,21 +5783,21 @@ alloc_init_lock_stateowner(unsigned int strhashval, struct nfs4_client *clp,
}
static struct nfs4_ol_stateid *
-find_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fp)
+find_lock_stateid(const struct nfs4_lockowner *lo,
+ const struct nfs4_ol_stateid *ost)
{
struct nfs4_ol_stateid *lst;
- struct nfs4_client *clp = lo->lo_owner.so_client;
- lockdep_assert_held(&clp->cl_lock);
+ lockdep_assert_held(&ost->st_stid.sc_client->cl_lock);
- list_for_each_entry(lst, &lo->lo_owner.so_stateids, st_perstateowner) {
- if (lst->st_stid.sc_type != NFS4_LOCK_STID)
- continue;
- if (lst->st_stid.sc_file == fp) {
- refcount_inc(&lst->st_stid.sc_count);
- return lst;
+ /* If ost is not hashed, ost->st_locks will not be valid */
+ if (!nfs4_ol_stateid_unhashed(ost))
+ list_for_each_entry(lst, &ost->st_locks, st_locks) {
+ if (lst->st_stateowner == &lo->lo_owner) {
+ refcount_inc(&lst->st_stid.sc_count);
+ return lst;
+ }
}
- }
return NULL;
}
@@ -5804,11 +5813,11 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
mutex_lock_nested(&stp->st_mutex, OPEN_STATEID_MUTEX);
retry:
spin_lock(&clp->cl_lock);
- spin_lock(&fp->fi_lock);
- retstp = find_lock_stateid(lo, fp);
+ if (nfs4_ol_stateid_unhashed(open_stp))
+ goto out_close;
+ retstp = find_lock_stateid(lo, open_stp);
if (retstp)
- goto out_unlock;
-
+ goto out_found;
refcount_inc(&stp->st_stid.sc_count);
stp->st_stid.sc_type = NFS4_LOCK_STID;
stp->st_stateowner = nfs4_get_stateowner(&lo->lo_owner);
@@ -5817,22 +5826,26 @@ init_lock_stateid(struct nfs4_ol_stateid *stp, struct nfs4_lockowner *lo,
stp->st_access_bmap = 0;
stp->st_deny_bmap = open_stp->st_deny_bmap;
stp->st_openstp = open_stp;
+ spin_lock(&fp->fi_lock);
list_add(&stp->st_locks, &open_stp->st_locks);
list_add(&stp->st_perstateowner, &lo->lo_owner.so_stateids);
list_add(&stp->st_perfile, &fp->fi_stateids);
-out_unlock:
spin_unlock(&fp->fi_lock);
spin_unlock(&clp->cl_lock);
- if (retstp) {
- if (nfsd4_lock_ol_stateid(retstp) != nfs_ok) {
- nfs4_put_stid(&retstp->st_stid);
- goto retry;
- }
- /* To keep mutex tracking happy */
- mutex_unlock(&stp->st_mutex);
- stp = retstp;
- }
return stp;
+out_found:
+ spin_unlock(&clp->cl_lock);
+ if (nfsd4_lock_ol_stateid(retstp) != nfs_ok) {
+ nfs4_put_stid(&retstp->st_stid);
+ goto retry;
+ }
+ /* To keep mutex tracking happy */
+ mutex_unlock(&stp->st_mutex);
+ return retstp;
+out_close:
+ spin_unlock(&clp->cl_lock);
+ mutex_unlock(&stp->st_mutex);
+ return NULL;
}
static struct nfs4_ol_stateid *
@@ -5847,7 +5860,7 @@ find_or_create_lock_stateid(struct nfs4_lockowner *lo, struct nfs4_file *fi,
*new = false;
spin_lock(&clp->cl_lock);
- lst = find_lock_stateid(lo, fi);
+ lst = find_lock_stateid(lo, ost);
spin_unlock(&clp->cl_lock);
if (lst != NULL) {
if (nfsd4_lock_ol_stateid(lst) == nfs_ok)
diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c
index 099bec94b820..fab29f899f91 100644
--- a/fs/ubifs/io.c
+++ b/fs/ubifs/io.c
@@ -237,7 +237,7 @@ int ubifs_is_mapped(const struct ubifs_info *c, int lnum)
int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
int offs, int quiet, int must_chk_crc)
{
- int err = -EINVAL, type, node_len;
+ int err = -EINVAL, type, node_len, dump_node = 1;
uint32_t crc, node_crc, magic;
const struct ubifs_ch *ch = buf;
@@ -290,10 +290,22 @@ int ubifs_check_node(const struct ubifs_info *c, const void *buf, int lnum,
out_len:
if (!quiet)
ubifs_err(c, "bad node length %d", node_len);
+ if (type == UBIFS_DATA_NODE && node_len > UBIFS_DATA_NODE_SZ)
+ dump_node = 0;
out:
if (!quiet) {
ubifs_err(c, "bad node at LEB %d:%d", lnum, offs);
- ubifs_dump_node(c, buf);
+ if (dump_node) {
+ ubifs_dump_node(c, buf);
+ } else {
+ int safe_len = min3(node_len, c->leb_size - offs,
+ (int)UBIFS_MAX_DATA_NODE_SZ);
+ pr_err("\tprevent out-of-bounds memory access\n");
+ pr_err("\ttruncated data node length %d\n", safe_len);
+ pr_err("\tcorrupted data node:\n");
+ print_hex_dump(KERN_ERR, "\t", DUMP_PREFIX_OFFSET, 32, 1,
+ buf, safe_len, 0);
+ }
dump_stack();
}
return err;
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index bd37f4a292c3..efb586ea508b 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -1438,7 +1438,9 @@ xfs_attr3_leaf_add_work(
for (i = 0; i < XFS_ATTR_LEAF_MAPSIZE; i++) {
if (ichdr->freemap[i].base == tmp) {
ichdr->freemap[i].base += sizeof(xfs_attr_leaf_entry_t);
- ichdr->freemap[i].size -= sizeof(xfs_attr_leaf_entry_t);
+ ichdr->freemap[i].size -=
+ min_t(uint16_t, ichdr->freemap[i].size,
+ sizeof(xfs_attr_leaf_entry_t));
}
}
ichdr->usedbytes += xfs_attr_leaf_entsize(leaf, args->index);
diff --git a/fs/xfs/libxfs/xfs_dir2_node.c b/fs/xfs/libxfs/xfs_dir2_node.c
index f1bb3434f51c..01e99806b941 100644
--- a/fs/xfs/libxfs/xfs_dir2_node.c
+++ b/fs/xfs/libxfs/xfs_dir2_node.c
@@ -214,6 +214,7 @@ __xfs_dir3_free_read(
if (fa) {
xfs_verifier_error(*bpp, -EFSCORRUPTED, fa);
xfs_trans_brelse(tp, *bpp);
+ *bpp = NULL;
return -EFSCORRUPTED;
}
diff --git a/fs/xfs/libxfs/xfs_trans_resv.c b/fs/xfs/libxfs/xfs_trans_resv.c
index f99a7aefe418..2b3cc5a8ced1 100644
--- a/fs/xfs/libxfs/xfs_trans_resv.c
+++ b/fs/xfs/libxfs/xfs_trans_resv.c
@@ -197,6 +197,24 @@ xfs_calc_inode_chunk_res(
return res;
}
+/*
+ * Per-extent log reservation for the btree changes involved in freeing or
+ * allocating a realtime extent. We have to be able to log as many rtbitmap
+ * blocks as needed to mark inuse MAXEXTLEN blocks' worth of realtime extents,
+ * as well as the realtime summary block.
+ */
+unsigned int
+xfs_rtalloc_log_count(
+ struct xfs_mount *mp,
+ unsigned int num_ops)
+{
+ unsigned int blksz = XFS_FSB_TO_B(mp, 1);
+ unsigned int rtbmp_bytes;
+
+ rtbmp_bytes = (MAXEXTLEN / mp->m_sb.sb_rextsize) / NBBY;
+ return (howmany(rtbmp_bytes, blksz) + 1) * num_ops;
+}
+
/*
* Various log reservation values.
*
@@ -219,13 +237,21 @@ xfs_calc_inode_chunk_res(
/*
* In a write transaction we can allocate a maximum of 2
- * extents. This gives:
+ * extents. This gives (t1):
* the inode getting the new extents: inode size
* the inode's bmap btree: max depth * block size
* the agfs of the ags from which the extents are allocated: 2 * sector
* the superblock free block counter: sector size
* the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
- * And the bmap_finish transaction can free bmap blocks in a join:
+ * Or, if we're writing to a realtime file (t2):
+ * the inode getting the new extents: inode size
+ * the inode's bmap btree: max depth * block size
+ * the agfs of the ags from which the extents are allocated: 2 * sector
+ * the superblock free block counter: sector size
+ * the realtime bitmap: ((MAXEXTLEN / rtextsize) / NBBY) bytes
+ * the realtime summary: 1 block
+ * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
+ * And the bmap_finish transaction can free bmap blocks in a join (t3):
* the agfs of the ags containing the blocks: 2 * sector size
* the agfls of the ags containing the blocks: 2 * sector size
* the super block free block counter: sector size
@@ -235,40 +261,72 @@ STATIC uint
xfs_calc_write_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
- max((xfs_calc_inode_res(mp, 1) +
+ unsigned int t1, t2, t3;
+ unsigned int blksz = XFS_FSB_TO_B(mp, 1);
+
+ t1 = xfs_calc_inode_res(mp, 1) +
+ xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK), blksz) +
+ xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) +
+ xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), blksz);
+
+ if (xfs_sb_version_hasrealtime(&mp->m_sb)) {
+ t2 = xfs_calc_inode_res(mp, 1) +
xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK),
- XFS_FSB_TO_B(mp, 1)) +
+ blksz) +
xfs_calc_buf_res(3, mp->m_sb.sb_sectsize) +
- xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2),
- XFS_FSB_TO_B(mp, 1))),
- (xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) +
- xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2),
- XFS_FSB_TO_B(mp, 1))));
+ xfs_calc_buf_res(xfs_rtalloc_log_count(mp, 1), blksz) +
+ xfs_calc_buf_res(xfs_allocfree_log_count(mp, 1), blksz);
+ } else {
+ t2 = 0;
+ }
+
+ t3 = xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) +
+ xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), blksz);
+
+ return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
}
/*
- * In truncating a file we free up to two extents at once. We can modify:
+ * In truncating a file we free up to two extents at once. We can modify (t1):
* the inode being truncated: inode size
* the inode's bmap btree: (max depth + 1) * block size
- * And the bmap_finish transaction can free the blocks and bmap blocks:
+ * And the bmap_finish transaction can free the blocks and bmap blocks (t2):
* the agf for each of the ags: 4 * sector size
* the agfl for each of the ags: 4 * sector size
* the super block to reflect the freed blocks: sector size
* worst case split in allocation btrees per extent assuming 4 extents:
* 4 exts * 2 trees * (2 * max depth - 1) * block size
+ * Or, if it's a realtime file (t3):
+ * the agf for each of the ags: 2 * sector size
+ * the agfl for each of the ags: 2 * sector size
+ * the super block to reflect the freed blocks: sector size
+ * the realtime bitmap: 2 exts * ((MAXEXTLEN / rtextsize) / NBBY) bytes
+ * the realtime summary: 2 exts * 1 block
+ * worst case split in allocation btrees per extent assuming 2 extents:
+ * 2 exts * 2 trees * (2 * max depth - 1) * block size
*/
STATIC uint
xfs_calc_itruncate_reservation(
struct xfs_mount *mp)
{
- return XFS_DQUOT_LOGRES(mp) +
- max((xfs_calc_inode_res(mp, 1) +
- xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1,
- XFS_FSB_TO_B(mp, 1))),
- (xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) +
- xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4),
- XFS_FSB_TO_B(mp, 1))));
+ unsigned int t1, t2, t3;
+ unsigned int blksz = XFS_FSB_TO_B(mp, 1);
+
+ t1 = xfs_calc_inode_res(mp, 1) +
+ xfs_calc_buf_res(XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1, blksz);
+
+ t2 = xfs_calc_buf_res(9, mp->m_sb.sb_sectsize) +
+ xfs_calc_buf_res(xfs_allocfree_log_count(mp, 4), blksz);
+
+ if (xfs_sb_version_hasrealtime(&mp->m_sb)) {
+ t3 = xfs_calc_buf_res(5, mp->m_sb.sb_sectsize) +
+ xfs_calc_buf_res(xfs_rtalloc_log_count(mp, 2), blksz) +
+ xfs_calc_buf_res(xfs_allocfree_log_count(mp, 2), blksz);
+ } else {
+ t3 = 0;
+ }
+
+ return XFS_DQUOT_LOGRES(mp) + max3(t1, t2, t3);
}
/*
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index cd3e4d768a18..33dfcba72c7a 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -156,6 +156,9 @@ xchk_dir_actor(
xname.type = XFS_DIR3_FT_UNKNOWN;
error = xfs_dir_lookup(sdc->sc->tp, ip, &xname, &lookup_ino, NULL);
+ /* ENOENT means the hash lookup failed and the dir is corrupt */
+ if (error == -ENOENT)
+ error = -EFSCORRUPTED;
if (!xchk_fblock_process_error(sdc->sc, XFS_DATA_FORK, offset,
&error))
goto out;
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 3b0ba54cc4d5..3bc1034c57e6 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -54,6 +54,8 @@ static const struct file_operations __fops = { \
.llseek = no_llseek, \
}
+typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *);
+
#if defined(CONFIG_DEBUG_FS)
struct dentry *debugfs_lookup(const char *name, struct dentry *parent);
@@ -75,7 +77,6 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
struct dentry *debugfs_create_symlink(const char *name, struct dentry *parent,
const char *dest);
-typedef struct vfsmount *(*debugfs_automount_t)(struct dentry *, void *);
struct dentry *debugfs_create_automount(const char *name,
struct dentry *parent,
debugfs_automount_t f,
@@ -204,7 +205,7 @@ static inline struct dentry *debugfs_create_symlink(const char *name,
static inline struct dentry *debugfs_create_automount(const char *name,
struct dentry *parent,
- struct vfsmount *(*f)(void *),
+ debugfs_automount_t f,
void *data)
{
return ERR_PTR(-ENODEV);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index afc1d72161ba..3d076aca7ac2 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -503,6 +503,7 @@ enum hsm_task_states {
};
enum ata_completion_errors {
+ AC_ERR_OK = 0, /* no error */
AC_ERR_DEV = (1 << 0), /* device reported error */
AC_ERR_HSM = (1 << 1), /* host state machine violation */
AC_ERR_TIMEOUT = (1 << 2), /* timeout */
@@ -912,9 +913,9 @@ struct ata_port_operations {
/*
* Command execution
*/
- int (*qc_defer)(struct ata_queued_cmd *qc);
- int (*check_atapi_dma)(struct ata_queued_cmd *qc);
- void (*qc_prep)(struct ata_queued_cmd *qc);
+ int (*qc_defer)(struct ata_queued_cmd *qc);
+ int (*check_atapi_dma)(struct ata_queued_cmd *qc);
+ enum ata_completion_errors (*qc_prep)(struct ata_queued_cmd *qc);
unsigned int (*qc_issue)(struct ata_queued_cmd *qc);
bool (*qc_fill_rtf)(struct ata_queued_cmd *qc);
@@ -1181,7 +1182,7 @@ extern int ata_xfer_mode2shift(unsigned long xfer_mode);
extern const char *ata_mode_string(unsigned long xfer_mask);
extern unsigned long ata_id_xfermask(const u16 *id);
extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
-extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
@@ -1916,9 +1917,9 @@ extern const struct ata_port_operations ata_bmdma_port_ops;
.sg_tablesize = LIBATA_MAX_PRD, \
.dma_boundary = ATA_DMA_BOUNDARY
-extern void ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_bmdma_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_bmdma_qc_issue(struct ata_queued_cmd *qc);
-extern void ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
+extern enum ata_completion_errors ata_bmdma_dumb_qc_prep(struct ata_queued_cmd *qc);
extern unsigned int ata_bmdma_port_intr(struct ata_port *ap,
struct ata_queued_cmd *qc);
extern irqreturn_t ata_bmdma_interrupt(int irq, void *dev_instance);
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 8ef330027b13..3f8e84a80b4a 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -227,7 +227,7 @@ struct mmc_queue_req;
* MMC Physical partitions
*/
struct mmc_part {
- unsigned int size; /* partition size (in bytes) */
+ u64 size; /* partition size (in bytes) */
unsigned int part_cfg; /* partition type */
char name[MAX_MMC_PART_NAME_LEN];
bool force_ro; /* to make boot parts RO by default */
diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h
index ad69430fd0eb..5162fc1533c2 100644
--- a/include/linux/nfs_page.h
+++ b/include/linux/nfs_page.h
@@ -142,6 +142,8 @@ extern void nfs_unlock_and_release_request(struct nfs_page *);
extern int nfs_page_group_lock(struct nfs_page *);
extern void nfs_page_group_unlock(struct nfs_page *);
extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int);
+extern int nfs_page_set_headlock(struct nfs_page *req);
+extern void nfs_page_clear_headlock(struct nfs_page *req);
extern bool nfs_async_iocounter_wait(struct rpc_task *, struct nfs_lock_context *);
/*
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 2517492dd185..2fda9893962d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1144,7 +1144,6 @@ int pci_enable_rom(struct pci_dev *pdev);
void pci_disable_rom(struct pci_dev *pdev);
void __iomem __must_check *pci_map_rom(struct pci_dev *pdev, size_t *size);
void pci_unmap_rom(struct pci_dev *pdev, void __iomem *rom);
-void __iomem __must_check *pci_platform_rom(struct pci_dev *pdev, size_t *size);
/* Power management related routines */
int pci_save_state(struct pci_dev *dev);
diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index bcf4cf26b8c8..a42a29952889 100644
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -243,6 +243,13 @@ static inline void raw_write_seqcount_end(seqcount_t *s)
* usual consistency guarantee. It is one wmb cheaper, because we can
* collapse the two back-to-back wmb()s.
*
+ * Note that, writes surrounding the barrier should be declared atomic (e.g.
+ * via WRITE_ONCE): a) to ensure the writes become visible to other threads
+ * atomically, avoiding compiler optimizations; b) to document which writes are
+ * meant to propagate to the reader critical section. This is necessary because
+ * neither writes before and after the barrier are enclosed in a seq-writer
+ * critical section that would ensure readers are aware of ongoing writes.
+ *
* seqcount_t seq;
* bool X = true, Y = false;
*
@@ -262,11 +269,11 @@ static inline void raw_write_seqcount_end(seqcount_t *s)
*
* void write(void)
* {
- * Y = true;
+ * WRITE_ONCE(Y, true);
*
* raw_write_seqcount_barrier(seq);
*
- * X = false;
+ * WRITE_ONCE(X, false);
* }
*/
static inline void raw_write_seqcount_barrier(seqcount_t *s)
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index cbc0294f3989..703ce71caeac 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1688,6 +1688,18 @@ static inline __u32 skb_queue_len(const struct sk_buff_head *list_)
return list_->qlen;
}
+/**
+ * skb_queue_len_lockless - get queue length
+ * @list_: list to measure
+ *
+ * Return the length of an &sk_buff queue.
+ * This variant can be used in lockless contexts.
+ */
+static inline __u32 skb_queue_len_lockless(const struct sk_buff_head *list_)
+{
+ return READ_ONCE(list_->qlen);
+}
+
/**
* __skb_queue_head_init - initialize non-spinlock portions of sk_buff_head
* @list: queue to initialize
@@ -1895,7 +1907,7 @@ static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list)
{
struct sk_buff *next, *prev;
- list->qlen--;
+ WRITE_ONCE(list->qlen, list->qlen - 1);
next = skb->next;
prev = skb->prev;
skb->next = skb->prev = NULL;
diff --git a/include/net/sock.h b/include/net/sock.h
index 77f36257cac9..bc752237dff3 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -900,11 +900,11 @@ static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
skb_dst_force(skb);
if (!sk->sk_backlog.tail)
- sk->sk_backlog.head = skb;
+ WRITE_ONCE(sk->sk_backlog.head, skb);
else
sk->sk_backlog.tail->next = skb;
- sk->sk_backlog.tail = skb;
+ WRITE_ONCE(sk->sk_backlog.tail, skb);
skb->next = NULL;
}
diff --git a/include/trace/events/sctp.h b/include/trace/events/sctp.h
index 7475c7be165a..d4aac3436595 100644
--- a/include/trace/events/sctp.h
+++ b/include/trace/events/sctp.h
@@ -75,15 +75,6 @@ TRACE_EVENT(sctp_probe,
__entry->pathmtu = asoc->pathmtu;
__entry->rwnd = asoc->peer.rwnd;
__entry->unack_data = asoc->unack_data;
-
- if (trace_sctp_probe_path_enabled()) {
- struct sctp_transport *sp;
-
- list_for_each_entry(sp, &asoc->peer.transport_addr_list,
- transports) {
- trace_sctp_probe_path(sp, asoc);
- }
- }
),
TP_printk("asoc=%#llx mark=%#x bind_port=%d peer_port=%d pathmtu=%d "
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 4f7262eba73d..50952d6d8120 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -317,8 +317,6 @@ static void audit_update_watch(struct audit_parent *parent,
if (oentry->rule.exe)
audit_remove_mark(oentry->rule.exe);
- audit_watch_log_rule_change(r, owatch, "updated_rules");
-
call_rcu(&oentry->rcu, audit_free_rule_rcu);
}
diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c
index 1b28fb006763..3f3ed33bd2fd 100644
--- a/kernel/bpf/hashtab.c
+++ b/kernel/bpf/hashtab.c
@@ -667,15 +667,7 @@ static void htab_elem_free_rcu(struct rcu_head *head)
struct htab_elem *l = container_of(head, struct htab_elem, rcu);
struct bpf_htab *htab = l->htab;
- /* must increment bpf_prog_active to avoid kprobe+bpf triggering while
- * we're calling kfree, otherwise deadlock is possible if kprobes
- * are placed somewhere inside of slub
- */
- preempt_disable();
- __this_cpu_inc(bpf_prog_active);
htab_elem_free(htab, l);
- __this_cpu_dec(bpf_prog_active);
- preempt_enable();
}
static void htab_put_fd_value(struct bpf_htab *htab, struct htab_elem *l)
diff --git a/kernel/bpf/inode.c b/kernel/bpf/inode.c
index c04815bb15cc..11fade89c1f3 100644
--- a/kernel/bpf/inode.c
+++ b/kernel/bpf/inode.c
@@ -207,10 +207,12 @@ static void *map_seq_next(struct seq_file *m, void *v, loff_t *pos)
else
prev_key = key;
+ rcu_read_lock();
if (map->ops->map_get_next_key(map, prev_key, key)) {
map_iter(m)->done = true;
- return NULL;
+ key = NULL;
}
+ rcu_read_unlock();
return key;
}
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 230d9d599b5a..2161f519d481 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -1065,9 +1065,20 @@ static int disarm_kprobe_ftrace(struct kprobe *p)
return ret;
}
#else /* !CONFIG_KPROBES_ON_FTRACE */
-#define prepare_kprobe(p) arch_prepare_kprobe(p)
-#define arm_kprobe_ftrace(p) (-ENODEV)
-#define disarm_kprobe_ftrace(p) (-ENODEV)
+static inline int prepare_kprobe(struct kprobe *p)
+{
+ return arch_prepare_kprobe(p);
+}
+
+static inline int arm_kprobe_ftrace(struct kprobe *p)
+{
+ return -ENODEV;
+}
+
+static inline int disarm_kprobe_ftrace(struct kprobe *p)
+{
+ return -ENODEV;
+}
#endif
/* Arm a kprobe with text_mutex */
@@ -2083,9 +2094,10 @@ static void kill_kprobe(struct kprobe *p)
/*
* The module is going away. We should disarm the kprobe which
- * is using ftrace.
+ * is using ftrace, because ftrace framework is still available at
+ * MODULE_STATE_GOING notification.
*/
- if (kprobe_ftrace(p))
+ if (kprobe_ftrace(p) && !kprobe_disabled(p) && !kprobes_all_disarmed)
disarm_kprobe_ftrace(p);
}
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 3cb0e5b479ff..cf272aba362b 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2148,6 +2148,9 @@ static int __init console_setup(char *str)
char *s, *options, *brl_options = NULL;
int idx;
+ if (str[0] == 0)
+ return 1;
+
if (_braille_console_setup(&str, &brl_options))
return 1;
diff --git a/kernel/sys.c b/kernel/sys.c
index 096932a45046..baf60a3aa34b 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1275,11 +1275,13 @@ SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
{
- struct oldold_utsname tmp = {};
+ struct oldold_utsname tmp;
if (!name)
return -EFAULT;
+ memset(&tmp, 0, sizeof(tmp));
+
down_read(&uts_sem);
memcpy(&tmp.sysname, &utsname()->sysname, __OLD_UTS_LEN);
memcpy(&tmp.nodename, &utsname()->nodename, __OLD_UTS_LEN);
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 81ee5b83c920..c66fd11d94bc 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -1004,9 +1004,8 @@ static int scale64_check_overflow(u64 mult, u64 div, u64 *base)
((int)sizeof(u64)*8 - fls64(mult) < fls64(rem)))
return -EOVERFLOW;
tmp *= mult;
- rem *= mult;
- do_div(rem, div);
+ rem = div64_u64(rem * mult, div);
*base = tmp + rem;
return 0;
}
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 4966410bb0f4..6bf617ff0369 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -3037,6 +3037,9 @@ int trace_array_printk(struct trace_array *tr,
if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))
return 0;
+ if (!tr)
+ return -ENOENT;
+
va_start(ap, fmt);
ret = trace_array_vprintk(tr, ip, fmt, ap);
va_end(ap);
@@ -8526,7 +8529,7 @@ __init static int tracer_alloc_buffers(void)
goto out_free_buffer_mask;
/* Only allocate trace_printk buffers if a trace_printk exists */
- if (__stop___trace_bprintk_fmt != __start___trace_bprintk_fmt)
+ if (&__stop___trace_bprintk_fmt != &__start___trace_bprintk_fmt)
/* Must be called before global_trace.buffer is allocated */
trace_printk_init_buffers();
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index 06bb2fd9a56c..a97aad105d36 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -179,7 +179,7 @@ FTRACE_ENTRY(kernel_stack, stack_entry,
F_STRUCT(
__field( int, size )
- __dynamic_array(unsigned long, caller )
+ __array( unsigned long, caller, FTRACE_STACK_ENTRIES )
),
F_printk("\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n\t=> (" IP_FMT ")\n"
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 27726121d332..0fc06a7da87f 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -800,6 +800,8 @@ static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set)
char *event = NULL, *sub = NULL, *match;
int ret;
+ if (!tr)
+ return -ENOENT;
/*
* The buf format can be <subsystem>:<event-name>
* *:<event-name> means any event by that name.
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index dbd3c97d1501..3ed2d7f7e571 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -4225,7 +4225,6 @@ static int parse_var_defs(struct hist_trigger_data *hist_data)
s = kstrdup(field_str, GFP_KERNEL);
if (!s) {
- kfree(hist_data->attrs->var_defs.name[n_vars]);
ret = -ENOMEM;
goto free;
}
diff --git a/kernel/trace/trace_preemptirq.c b/kernel/trace/trace_preemptirq.c
index 71f553cceb3c..0e373cb0106b 100644
--- a/kernel/trace/trace_preemptirq.c
+++ b/kernel/trace/trace_preemptirq.c
@@ -59,14 +59,14 @@ EXPORT_SYMBOL(trace_hardirqs_on_caller);
__visible void trace_hardirqs_off_caller(unsigned long caller_addr)
{
+ lockdep_hardirqs_off(CALLER_ADDR0);
+
if (!this_cpu_read(tracing_irq_cpu)) {
this_cpu_write(tracing_irq_cpu, 1);
tracer_hardirqs_off(CALLER_ADDR0, caller_addr);
if (!in_nmi())
trace_irq_disable_rcuidle(CALLER_ADDR0, caller_addr);
}
-
- lockdep_hardirqs_off(CALLER_ADDR0);
}
EXPORT_SYMBOL(trace_hardirqs_off_caller);
#endif /* CONFIG_TRACE_IRQFLAGS */
diff --git a/lib/string.c b/lib/string.c
index 72125fd5b4a6..edf4907ec946 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -236,6 +236,30 @@ ssize_t strscpy(char *dest, const char *src, size_t count)
EXPORT_SYMBOL(strscpy);
#endif
+/**
+ * stpcpy - copy a string from src to dest returning a pointer to the new end
+ * of dest, including src's %NUL-terminator. May overrun dest.
+ * @dest: pointer to end of string being copied into. Must be large enough
+ * to receive copy.
+ * @src: pointer to the beginning of string being copied from. Must not overlap
+ * dest.
+ *
+ * stpcpy differs from strcpy in a key way: the return value is a pointer
+ * to the new %NUL-terminating character in @dest. (For strcpy, the return
+ * value is a pointer to the start of @dest). This interface is considered
+ * unsafe as it doesn't perform bounds checking of the inputs. As such it's
+ * not recommended for usage. Instead, its definition is provided in case
+ * the compiler lowers other libcalls to stpcpy.
+ */
+char *stpcpy(char *__restrict__ dest, const char *__restrict__ src);
+char *stpcpy(char *__restrict__ dest, const char *__restrict__ src)
+{
+ while ((*dest++ = *src++) != '\0')
+ /* nothing */;
+ return --dest;
+}
+EXPORT_SYMBOL(stpcpy);
+
#ifndef __HAVE_ARCH_STRCAT
/**
* strcat - Append one %NUL-terminated string to another
diff --git a/mm/filemap.c b/mm/filemap.c
index 45f1c6d73b5b..f2e777003b90 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2889,6 +2889,14 @@ static struct page *do_read_cache_page(struct address_space *mapping,
unlock_page(page);
goto out;
}
+
+ /*
+ * A previous I/O error may have been due to temporary
+ * failures.
+ * Clear page error before actual read, PG_error will be
+ * set again if read page fails.
+ */
+ ClearPageError(page);
goto filler;
out:
diff --git a/mm/kmemleak.c b/mm/kmemleak.c
index 5eeabece0c17..f54734abf946 100644
--- a/mm/kmemleak.c
+++ b/mm/kmemleak.c
@@ -2039,7 +2039,7 @@ void __init kmemleak_init(void)
create_object((unsigned long)__bss_start, __bss_stop - __bss_start,
KMEMLEAK_GREY, GFP_ATOMIC);
/* only register .data..ro_after_init if not within .data */
- if (__start_ro_after_init < _sdata || __end_ro_after_init > _edata)
+ if (&__start_ro_after_init < &_sdata || &__end_ro_after_init > &_edata)
create_object((unsigned long)__start_ro_after_init,
__end_ro_after_init - __start_ro_after_init,
KMEMLEAK_GREY, GFP_ATOMIC);
diff --git a/mm/memory.c b/mm/memory.c
index bbf0cc4066c8..eeae63bd9502 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -116,6 +116,18 @@ int randomize_va_space __read_mostly =
2;
#endif
+#ifndef arch_faults_on_old_pte
+static inline bool arch_faults_on_old_pte(void)
+{
+ /*
+ * Those arches which don't have hw access flag feature need to
+ * implement their own helper. By default, "true" means pagefault
+ * will be hit on old pte.
+ */
+ return true;
+}
+#endif
+
static int __init disable_randmaps(char *s)
{
randomize_va_space = 0;
@@ -2335,32 +2347,101 @@ static inline int pte_unmap_same(struct mm_struct *mm, pmd_t *pmd,
return same;
}
-static inline void cow_user_page(struct page *dst, struct page *src, unsigned long va, struct vm_area_struct *vma)
+static inline bool cow_user_page(struct page *dst, struct page *src,
+ struct vm_fault *vmf)
{
+ bool ret;
+ void *kaddr;
+ void __user *uaddr;
+ bool locked = false;
+ struct vm_area_struct *vma = vmf->vma;
+ struct mm_struct *mm = vma->vm_mm;
+ unsigned long addr = vmf->address;
+
debug_dma_assert_idle(src);
+ if (likely(src)) {
+ copy_user_highpage(dst, src, addr, vma);
+ return true;
+ }
+
/*
* If the source page was a PFN mapping, we don't have
* a "struct page" for it. We do a best-effort copy by
* just copying from the original user address. If that
* fails, we just zero-fill it. Live with it.
*/
- if (unlikely(!src)) {
- void *kaddr = kmap_atomic(dst);
- void __user *uaddr = (void __user *)(va & PAGE_MASK);
+ kaddr = kmap_atomic(dst);
+ uaddr = (void __user *)(addr & PAGE_MASK);
+
+ /*
+ * On architectures with software "accessed" bits, we would
+ * take a double page fault, so mark it accessed here.
+ */
+ if (arch_faults_on_old_pte() && !pte_young(vmf->orig_pte)) {
+ pte_t entry;
+
+ vmf->pte = pte_offset_map_lock(mm, vmf->pmd, addr, &vmf->ptl);
+ locked = true;
+ if (!likely(pte_same(*vmf->pte, vmf->orig_pte))) {
+ /*
+ * Other thread has already handled the fault
+ * and we don't need to do anything. If it's
+ * not the case, the fault will be triggered
+ * again on the same address.
+ */
+ ret = false;
+ goto pte_unlock;
+ }
+
+ entry = pte_mkyoung(vmf->orig_pte);
+ if (ptep_set_access_flags(vma, addr, vmf->pte, entry, 0))
+ update_mmu_cache(vma, addr, vmf->pte);
+ }
+
+ /*
+ * This really shouldn't fail, because the page is there
+ * in the page tables. But it might just be unreadable,
+ * in which case we just give up and fill the result with
+ * zeroes.
+ */
+ if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE)) {
+ if (locked)
+ goto warn;
+
+ /* Re-validate under PTL if the page is still mapped */
+ vmf->pte = pte_offset_map_lock(mm, vmf->pmd, addr, &vmf->ptl);
+ locked = true;
+ if (!likely(pte_same(*vmf->pte, vmf->orig_pte))) {
+ /* The PTE changed under us. Retry page fault. */
+ ret = false;
+ goto pte_unlock;
+ }
/*
- * This really shouldn't fail, because the page is there
- * in the page tables. But it might just be unreadable,
- * in which case we just give up and fill the result with
- * zeroes.
+ * The same page can be mapped back since last copy attampt.
+ * Try to copy again under PTL.
*/
- if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE))
+ if (__copy_from_user_inatomic(kaddr, uaddr, PAGE_SIZE)) {
+ /*
+ * Give a warn in case there can be some obscure
+ * use-case
+ */
+warn:
+ WARN_ON_ONCE(1);
clear_page(kaddr);
- kunmap_atomic(kaddr);
- flush_dcache_page(dst);
- } else
- copy_user_highpage(dst, src, va, vma);
+ }
+ }
+
+ ret = true;
+
+pte_unlock:
+ if (locked)
+ pte_unmap_unlock(vmf->pte, vmf->ptl);
+ kunmap_atomic(kaddr);
+ flush_dcache_page(dst);
+
+ return ret;
}
static gfp_t __get_fault_gfp_mask(struct vm_area_struct *vma)
@@ -2514,7 +2595,19 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
vmf->address);
if (!new_page)
goto oom;
- cow_user_page(new_page, old_page, vmf->address, vma);
+
+ if (!cow_user_page(new_page, old_page, vmf)) {
+ /*
+ * COW failed, if the fault was solved by other,
+ * it's fine. If not, userspace would re-fault on
+ * the same address and we will handle the fault
+ * from the second attempt.
+ */
+ put_page(new_page);
+ if (old_page)
+ put_page(old_page);
+ return 0;
+ }
}
if (mem_cgroup_try_charge_delay(new_page, mm, GFP_KERNEL, &memcg, false))
diff --git a/mm/mmap.c b/mm/mmap.c
index e84fd3347a51..f875386e7acd 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2077,6 +2077,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
info.low_limit = mm->mmap_base;
info.high_limit = TASK_SIZE;
info.align_mask = 0;
+ info.align_offset = 0;
return vm_unmapped_area(&info);
}
#endif
@@ -2118,6 +2119,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
info.low_limit = max(PAGE_SIZE, mmap_min_addr);
info.high_limit = mm->mmap_base;
info.align_mask = 0;
+ info.align_offset = 0;
addr = vm_unmapped_area(&info);
/*
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index c3084ff2569d..3c0930d94a29 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -15,9 +15,9 @@ static int walk_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
err = walk->pte_entry(pte, addr, addr + PAGE_SIZE, walk);
if (err)
break;
- addr += PAGE_SIZE;
- if (addr == end)
+ if (addr >= end - PAGE_SIZE)
break;
+ addr += PAGE_SIZE;
pte++;
}
diff --git a/mm/swap_state.c b/mm/swap_state.c
index 09731f4174c7..3febffe0fca4 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -537,10 +537,11 @@ static unsigned long swapin_nr_pages(unsigned long offset)
return 1;
hits = atomic_xchg(&swapin_readahead_hits, 0);
- pages = __swapin_nr_pages(prev_offset, offset, hits, max_pages,
+ pages = __swapin_nr_pages(READ_ONCE(prev_offset), offset, hits,
+ max_pages,
atomic_read(&last_readahead_pages));
if (!hits)
- prev_offset = offset;
+ WRITE_ONCE(prev_offset, offset);
atomic_set(&last_readahead_pages, pages);
return pages;
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 0047dcaf9369..adeb49fcad23 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -998,7 +998,7 @@ int get_swap_pages(int n_goal, swp_entry_t swp_entries[], int entry_size)
goto nextsi;
}
if (size == SWAPFILE_CLUSTER) {
- if (!(si->flags & SWP_FILE))
+ if (si->flags & SWP_BLKDEV)
n_ret = swap_alloc_cluster(si, swp_entries);
} else
n_ret = scan_swap_map_slots(si, SWAP_HAS_CACHE,
@@ -2738,10 +2738,10 @@ static void *swap_next(struct seq_file *swap, void *v, loff_t *pos)
else
type = si->type + 1;
+ ++(*pos);
for (; (si = swap_type_to_swap_info(type)); type++) {
if (!(si->flags & SWP_USED) || !si->swap_map)
continue;
- ++*pos;
return si;
}
diff --git a/mm/vmscan.c b/mm/vmscan.c
index b93dc8fc6007..b7d7f6d65bd5 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3109,8 +3109,9 @@ static bool allow_direct_reclaim(pg_data_t *pgdat)
/* kswapd must be awake if processes are being throttled */
if (!wmark_ok && waitqueue_active(&pgdat->kswapd_wait)) {
- pgdat->kswapd_classzone_idx = min(pgdat->kswapd_classzone_idx,
- (enum zone_type)ZONE_NORMAL);
+ if (READ_ONCE(pgdat->kswapd_classzone_idx) > ZONE_NORMAL)
+ WRITE_ONCE(pgdat->kswapd_classzone_idx, ZONE_NORMAL);
+
wake_up_interruptible(&pgdat->kswapd_wait);
}
@@ -3626,9 +3627,9 @@ static int balance_pgdat(pg_data_t *pgdat, int order, int classzone_idx)
static enum zone_type kswapd_classzone_idx(pg_data_t *pgdat,
enum zone_type prev_classzone_idx)
{
- if (pgdat->kswapd_classzone_idx == MAX_NR_ZONES)
- return prev_classzone_idx;
- return pgdat->kswapd_classzone_idx;
+ enum zone_type curr_idx = READ_ONCE(pgdat->kswapd_classzone_idx);
+
+ return curr_idx == MAX_NR_ZONES ? prev_classzone_idx : curr_idx;
}
static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_order,
@@ -3672,8 +3673,11 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int alloc_order, int reclaim_o
* the previous request that slept prematurely.
*/
if (remaining) {
- pgdat->kswapd_classzone_idx = kswapd_classzone_idx(pgdat, classzone_idx);
- pgdat->kswapd_order = max(pgdat->kswapd_order, reclaim_order);
+ WRITE_ONCE(pgdat->kswapd_classzone_idx,
+ kswapd_classzone_idx(pgdat, classzone_idx));
+
+ if (READ_ONCE(pgdat->kswapd_order) < reclaim_order)
+ WRITE_ONCE(pgdat->kswapd_order, reclaim_order);
}
finish_wait(&pgdat->kswapd_wait, &wait);
@@ -3755,12 +3759,12 @@ static int kswapd(void *p)
tsk->flags |= PF_MEMALLOC | PF_SWAPWRITE | PF_KSWAPD;
set_freezable();
- pgdat->kswapd_order = 0;
- pgdat->kswapd_classzone_idx = MAX_NR_ZONES;
+ WRITE_ONCE(pgdat->kswapd_order, 0);
+ WRITE_ONCE(pgdat->kswapd_classzone_idx, MAX_NR_ZONES);
for ( ; ; ) {
bool ret;
- alloc_order = reclaim_order = pgdat->kswapd_order;
+ alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order);
classzone_idx = kswapd_classzone_idx(pgdat, classzone_idx);
kswapd_try_sleep:
@@ -3768,10 +3772,10 @@ static int kswapd(void *p)
classzone_idx);
/* Read the new order and classzone_idx */
- alloc_order = reclaim_order = pgdat->kswapd_order;
+ alloc_order = reclaim_order = READ_ONCE(pgdat->kswapd_order);
classzone_idx = kswapd_classzone_idx(pgdat, classzone_idx);
- pgdat->kswapd_order = 0;
- pgdat->kswapd_classzone_idx = MAX_NR_ZONES;
+ WRITE_ONCE(pgdat->kswapd_order, 0);
+ WRITE_ONCE(pgdat->kswapd_classzone_idx, MAX_NR_ZONES);
ret = try_to_freeze();
if (kthread_should_stop())
@@ -3816,20 +3820,23 @@ void wakeup_kswapd(struct zone *zone, gfp_t gfp_flags, int order,
enum zone_type classzone_idx)
{
pg_data_t *pgdat;
+ enum zone_type curr_idx;
if (!managed_zone(zone))
return;
if (!cpuset_zone_allowed(zone, gfp_flags))
return;
+
pgdat = zone->zone_pgdat;
+ curr_idx = READ_ONCE(pgdat->kswapd_classzone_idx);
+
+ if (curr_idx == MAX_NR_ZONES || curr_idx < classzone_idx)
+ WRITE_ONCE(pgdat->kswapd_classzone_idx, classzone_idx);
+
+ if (READ_ONCE(pgdat->kswapd_order) < order)
+ WRITE_ONCE(pgdat->kswapd_order, order);
- if (pgdat->kswapd_classzone_idx == MAX_NR_ZONES)
- pgdat->kswapd_classzone_idx = classzone_idx;
- else
- pgdat->kswapd_classzone_idx = max(pgdat->kswapd_classzone_idx,
- classzone_idx);
- pgdat->kswapd_order = max(pgdat->kswapd_order, order);
if (!waitqueue_active(&pgdat->kswapd_wait))
return;
diff --git a/net/atm/lec.c b/net/atm/lec.c
index ad4f829193f0..5a6186b80987 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -1270,6 +1270,12 @@ static void lec_arp_clear_vccs(struct lec_arp_table *entry)
entry->vcc = NULL;
}
if (entry->recv_vcc) {
+ struct atm_vcc *vcc = entry->recv_vcc;
+ struct lec_vcc_priv *vpriv = LEC_VCC_PRIV(vcc);
+
+ kfree(vpriv);
+ vcc->user_back = NULL;
+
entry->recv_vcc->push = entry->old_recv_push;
vcc_release_async(entry->recv_vcc, -EPIPE);
entry->recv_vcc = NULL;
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 9b8bf06ccb61..1401031f4bb4 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -37,6 +37,7 @@
#include <linux/lockdep.h>
#include <linux/netdevice.h>
#include <linux/netlink.h>
+#include <linux/preempt.h>
#include <linux/rculist.h>
#include <linux/rcupdate.h>
#include <linux/seq_file.h>
@@ -96,11 +97,12 @@ static inline u32 batadv_choose_claim(const void *data, u32 size)
*/
static inline u32 batadv_choose_backbone_gw(const void *data, u32 size)
{
- const struct batadv_bla_claim *claim = (struct batadv_bla_claim *)data;
+ const struct batadv_bla_backbone_gw *gw;
u32 hash = 0;
- hash = jhash(&claim->addr, sizeof(claim->addr), hash);
- hash = jhash(&claim->vid, sizeof(claim->vid), hash);
+ gw = (struct batadv_bla_backbone_gw *)data;
+ hash = jhash(&gw->orig, sizeof(gw->orig), hash);
+ hash = jhash(&gw->vid, sizeof(gw->vid), hash);
return hash % size;
}
@@ -1592,13 +1594,16 @@ int batadv_bla_init(struct batadv_priv *bat_priv)
}
/**
- * batadv_bla_check_bcast_duplist() - Check if a frame is in the broadcast dup.
+ * batadv_bla_check_duplist() - Check if a frame is in the broadcast dup.
* @bat_priv: the bat priv with all the soft interface information
- * @skb: contains the bcast_packet to be checked
+ * @skb: contains the multicast packet to be checked
+ * @payload_ptr: pointer to position inside the head buffer of the skb
+ * marking the start of the data to be CRC'ed
+ * @orig: originator mac address, NULL if unknown
*
- * check if it is on our broadcast list. Another gateway might
- * have sent the same packet because it is connected to the same backbone,
- * so we have to remove this duplicate.
+ * Check if it is on our broadcast list. Another gateway might have sent the
+ * same packet because it is connected to the same backbone, so we have to
+ * remove this duplicate.
*
* This is performed by checking the CRC, which will tell us
* with a good chance that it is the same packet. If it is furthermore
@@ -1607,19 +1612,17 @@ int batadv_bla_init(struct batadv_priv *bat_priv)
*
* Return: true if a packet is in the duplicate list, false otherwise.
*/
-bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
- struct sk_buff *skb)
+static bool batadv_bla_check_duplist(struct batadv_priv *bat_priv,
+ struct sk_buff *skb, u8 *payload_ptr,
+ const u8 *orig)
{
- int i, curr;
- __be32 crc;
- struct batadv_bcast_packet *bcast_packet;
struct batadv_bcast_duplist_entry *entry;
bool ret = false;
-
- bcast_packet = (struct batadv_bcast_packet *)skb->data;
+ int i, curr;
+ __be32 crc;
/* calculate the crc ... */
- crc = batadv_skb_crc32(skb, (u8 *)(bcast_packet + 1));
+ crc = batadv_skb_crc32(skb, payload_ptr);
spin_lock_bh(&bat_priv->bla.bcast_duplist_lock);
@@ -1638,8 +1641,21 @@ bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
if (entry->crc != crc)
continue;
- if (batadv_compare_eth(entry->orig, bcast_packet->orig))
- continue;
+ /* are the originators both known and not anonymous? */
+ if (orig && !is_zero_ether_addr(orig) &&
+ !is_zero_ether_addr(entry->orig)) {
+ /* If known, check if the new frame came from
+ * the same originator:
+ * We are safe to take identical frames from the
+ * same orig, if known, as multiplications in
+ * the mesh are detected via the (orig, seqno) pair.
+ * So we can be a bit more liberal here and allow
+ * identical frames from the same orig which the source
+ * host might have sent multiple times on purpose.
+ */
+ if (batadv_compare_eth(entry->orig, orig))
+ continue;
+ }
/* this entry seems to match: same crc, not too old,
* and from another gw. therefore return true to forbid it.
@@ -1655,7 +1671,14 @@ bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
entry = &bat_priv->bla.bcast_duplist[curr];
entry->crc = crc;
entry->entrytime = jiffies;
- ether_addr_copy(entry->orig, bcast_packet->orig);
+
+ /* known originator */
+ if (orig)
+ ether_addr_copy(entry->orig, orig);
+ /* anonymous originator */
+ else
+ eth_zero_addr(entry->orig);
+
bat_priv->bla.bcast_duplist_curr = curr;
out:
@@ -1664,6 +1687,48 @@ bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
return ret;
}
+/**
+ * batadv_bla_check_ucast_duplist() - Check if a frame is in the broadcast dup.
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: contains the multicast packet to be checked, decapsulated from a
+ * unicast_packet
+ *
+ * Check if it is on our broadcast list. Another gateway might have sent the
+ * same packet because it is connected to the same backbone, so we have to
+ * remove this duplicate.
+ *
+ * Return: true if a packet is in the duplicate list, false otherwise.
+ */
+static bool batadv_bla_check_ucast_duplist(struct batadv_priv *bat_priv,
+ struct sk_buff *skb)
+{
+ return batadv_bla_check_duplist(bat_priv, skb, (u8 *)skb->data, NULL);
+}
+
+/**
+ * batadv_bla_check_bcast_duplist() - Check if a frame is in the broadcast dup.
+ * @bat_priv: the bat priv with all the soft interface information
+ * @skb: contains the bcast_packet to be checked
+ *
+ * Check if it is on our broadcast list. Another gateway might have sent the
+ * same packet because it is connected to the same backbone, so we have to
+ * remove this duplicate.
+ *
+ * Return: true if a packet is in the duplicate list, false otherwise.
+ */
+bool batadv_bla_check_bcast_duplist(struct batadv_priv *bat_priv,
+ struct sk_buff *skb)
+{
+ struct batadv_bcast_packet *bcast_packet;
+ u8 *payload_ptr;
+
+ bcast_packet = (struct batadv_bcast_packet *)skb->data;
+ payload_ptr = (u8 *)(bcast_packet + 1);
+
+ return batadv_bla_check_duplist(bat_priv, skb, payload_ptr,
+ bcast_packet->orig);
+}
+
/**
* batadv_bla_is_backbone_gw_orig() - Check if the originator is a gateway for
* the VLAN identified by vid.
@@ -1825,7 +1890,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,
* @bat_priv: the bat priv with all the soft interface information
* @skb: the frame to be checked
* @vid: the VLAN ID of the frame
- * @is_bcast: the packet came in a broadcast packet type.
+ * @packet_type: the batman packet type this frame came in
*
* batadv_bla_rx avoidance checks if:
* * we have to race for a claim
@@ -1837,7 +1902,7 @@ batadv_bla_loopdetect_check(struct batadv_priv *bat_priv, struct sk_buff *skb,
* further process the skb.
*/
bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
- unsigned short vid, bool is_bcast)
+ unsigned short vid, int packet_type)
{
struct batadv_bla_backbone_gw *backbone_gw;
struct ethhdr *ethhdr;
@@ -1859,9 +1924,32 @@ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
goto handled;
if (unlikely(atomic_read(&bat_priv->bla.num_requests)))
- /* don't allow broadcasts while requests are in flight */
- if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast)
- goto handled;
+ /* don't allow multicast packets while requests are in flight */
+ if (is_multicast_ether_addr(ethhdr->h_dest))
+ /* Both broadcast flooding or multicast-via-unicasts
+ * delivery might send to multiple backbone gateways
+ * sharing the same LAN and therefore need to coordinate
+ * which backbone gateway forwards into the LAN,
+ * by claiming the payload source address.
+ *
+ * Broadcast flooding and multicast-via-unicasts
+ * delivery use the following two batman packet types.
+ * Note: explicitly exclude BATADV_UNICAST_4ADDR,
+ * as the DHCP gateway feature will send explicitly
+ * to only one BLA gateway, so the claiming process
+ * should be avoided there.
+ */
+ if (packet_type == BATADV_BCAST ||
+ packet_type == BATADV_UNICAST)
+ goto handled;
+
+ /* potential duplicates from foreign BLA backbone gateways via
+ * multicast-in-unicast packets
+ */
+ if (is_multicast_ether_addr(ethhdr->h_dest) &&
+ packet_type == BATADV_UNICAST &&
+ batadv_bla_check_ucast_duplist(bat_priv, skb))
+ goto handled;
ether_addr_copy(search_claim.addr, ethhdr->h_source);
search_claim.vid = vid;
@@ -1896,13 +1984,14 @@ bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
goto allow;
}
- /* if it is a broadcast ... */
- if (is_multicast_ether_addr(ethhdr->h_dest) && is_bcast) {
+ /* if it is a multicast ... */
+ if (is_multicast_ether_addr(ethhdr->h_dest) &&
+ (packet_type == BATADV_BCAST || packet_type == BATADV_UNICAST)) {
/* ... drop it. the responsible gateway is in charge.
*
- * We need to check is_bcast because with the gateway
+ * We need to check packet type because with the gateway
* feature, broadcasts (like DHCP requests) may be sent
- * using a unicast packet type.
+ * using a unicast 4 address packet type. See comment above.
*/
goto handled;
} else {
diff --git a/net/batman-adv/bridge_loop_avoidance.h b/net/batman-adv/bridge_loop_avoidance.h
index 71f95a3e4d3f..af28fdb01467 100644
--- a/net/batman-adv/bridge_loop_avoidance.h
+++ b/net/batman-adv/bridge_loop_avoidance.h
@@ -48,7 +48,7 @@ static inline bool batadv_bla_is_loopdetect_mac(const uint8_t *mac)
#ifdef CONFIG_BATMAN_ADV_BLA
bool batadv_bla_rx(struct batadv_priv *bat_priv, struct sk_buff *skb,
- unsigned short vid, bool is_bcast);
+ unsigned short vid, int packet_type);
bool batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb,
unsigned short vid);
bool batadv_bla_is_backbone_gw(struct sk_buff *skb,
@@ -79,7 +79,7 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv, u8 *addr,
static inline bool batadv_bla_rx(struct batadv_priv *bat_priv,
struct sk_buff *skb, unsigned short vid,
- bool is_bcast)
+ int packet_type)
{
return false;
}
diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index cc3ed93a6d51..98af41e3810d 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -838,6 +838,10 @@ static bool batadv_check_unicast_ttvn(struct batadv_priv *bat_priv,
vid = batadv_get_vid(skb, hdr_len);
ethhdr = (struct ethhdr *)(skb->data + hdr_len);
+ /* do not reroute multicast frames in a unicast header */
+ if (is_multicast_ether_addr(ethhdr->h_dest))
+ return true;
+
/* check if the destination client was served by this node and it is now
* roaming. In this case, it means that the node has got a ROAM_ADV
* message and that it knows the new destination in the mesh to re-route
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index a2976adeeedc..6ff78080ec7f 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -426,10 +426,10 @@ void batadv_interface_rx(struct net_device *soft_iface,
struct vlan_ethhdr *vhdr;
struct ethhdr *ethhdr;
unsigned short vid;
- bool is_bcast;
+ int packet_type;
batadv_bcast_packet = (struct batadv_bcast_packet *)skb->data;
- is_bcast = (batadv_bcast_packet->packet_type == BATADV_BCAST);
+ packet_type = batadv_bcast_packet->packet_type;
skb_pull_rcsum(skb, hdr_size);
skb_reset_mac_header(skb);
@@ -472,7 +472,7 @@ void batadv_interface_rx(struct net_device *soft_iface,
/* Let the bridge loop avoidance check the packet. If will
* not handle it, we can safely push it up.
*/
- if (batadv_bla_rx(bat_priv, skb, vid, is_bcast))
+ if (batadv_bla_rx(bat_priv, skb, vid, packet_type))
goto out;
if (orig_node)
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 2b4a7cf03041..310622086f74 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -41,12 +41,27 @@
/* Handle HCI Event packets */
-static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
+static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb,
+ u8 *new_status)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
+ /* It is possible that we receive Inquiry Complete event right
+ * before we receive Inquiry Cancel Command Complete event, in
+ * which case the latter event should have status of Command
+ * Disallowed (0x0c). This should not be treated as error, since
+ * we actually achieve what Inquiry Cancel wants to achieve,
+ * which is to end the last Inquiry session.
+ */
+ if (status == 0x0c && !test_bit(HCI_INQUIRY, &hdev->flags)) {
+ bt_dev_warn(hdev, "Ignoring error of Inquiry Cancel command");
+ status = 0x00;
+ }
+
+ *new_status = status;
+
if (status)
return;
@@ -3039,7 +3054,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
switch (*opcode) {
case HCI_OP_INQUIRY_CANCEL:
- hci_cc_inquiry_cancel(hdev, skb);
+ hci_cc_inquiry_cancel(hdev, skb, status);
break;
case HCI_OP_PERIODIC_INQ:
@@ -5738,6 +5753,11 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
u8 status = 0, event = hdr->evt, req_evt = 0;
u16 opcode = HCI_OP_NOP;
+ if (!event) {
+ bt_dev_warn(hdev, "Received unexpected HCI Event 00000000");
+ goto done;
+ }
+
if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) {
struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
opcode = __le16_to_cpu(cmd_hdr->opcode);
@@ -5949,6 +5969,7 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
req_complete_skb(hdev, status, opcode, orig_skb);
}
+done:
kfree_skb(orig_skb);
kfree_skb(skb);
hdev->stat.evt_rx++;
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 0d84d1f820d4..c04107d44601 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -414,6 +414,9 @@ static void l2cap_chan_timeout(struct work_struct *work)
BT_DBG("chan %p state %s", chan, state_to_string(chan->state));
mutex_lock(&conn->chan_lock);
+ /* __set_chan_timer() calls l2cap_chan_hold(chan) while scheduling
+ * this work. No need to call l2cap_chan_hold(chan) here again.
+ */
l2cap_chan_lock(chan);
if (chan->state == BT_CONNECTED || chan->state == BT_CONFIG)
@@ -426,12 +429,12 @@ static void l2cap_chan_timeout(struct work_struct *work)
l2cap_chan_close(chan, reason);
- l2cap_chan_unlock(chan);
-
chan->ops->close(chan);
- mutex_unlock(&conn->chan_lock);
+ l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
+
+ mutex_unlock(&conn->chan_lock);
}
struct l2cap_chan *l2cap_chan_create(void)
@@ -1725,9 +1728,9 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err)
l2cap_chan_del(chan, err);
- l2cap_chan_unlock(chan);
-
chan->ops->close(chan);
+
+ l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
}
@@ -4114,7 +4117,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn,
return 0;
}
- if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2) {
+ if (chan->state != BT_CONFIG && chan->state != BT_CONNECT2 &&
+ chan->state != BT_CONNECTED) {
cmd_reject_invalid_cid(conn, cmd->ident, chan->scid,
chan->dcid);
goto unlock;
@@ -4337,6 +4341,7 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
return 0;
}
+ l2cap_chan_hold(chan);
l2cap_chan_lock(chan);
rsp.dcid = cpu_to_le16(chan->scid);
@@ -4345,12 +4350,11 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn,
chan->ops->set_shutdown(chan);
- l2cap_chan_hold(chan);
l2cap_chan_del(chan, ECONNRESET);
- l2cap_chan_unlock(chan);
-
chan->ops->close(chan);
+
+ l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
mutex_unlock(&conn->chan_lock);
@@ -4382,20 +4386,21 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn,
return 0;
}
+ l2cap_chan_hold(chan);
l2cap_chan_lock(chan);
if (chan->state != BT_DISCONN) {
l2cap_chan_unlock(chan);
+ l2cap_chan_put(chan);
mutex_unlock(&conn->chan_lock);
return 0;
}
- l2cap_chan_hold(chan);
l2cap_chan_del(chan, 0);
- l2cap_chan_unlock(chan);
-
chan->ops->close(chan);
+
+ l2cap_chan_unlock(chan);
l2cap_chan_put(chan);
mutex_unlock(&conn->chan_lock);
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index a3a2cd55e23a..5572042f0453 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1039,7 +1039,7 @@ static int l2cap_sock_recvmsg(struct socket *sock, struct msghdr *msg,
}
/* Kill socket (only if zapped and orphan)
- * Must be called on unlocked socket.
+ * Must be called on unlocked socket, with l2cap channel lock.
*/
static void l2cap_sock_kill(struct sock *sk)
{
@@ -1190,6 +1190,7 @@ static int l2cap_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
int err;
+ struct l2cap_chan *chan;
BT_DBG("sock %p, sk %p", sock, sk);
@@ -1199,9 +1200,17 @@ static int l2cap_sock_release(struct socket *sock)
bt_sock_unlink(&l2cap_sk_list, sk);
err = l2cap_sock_shutdown(sock, 2);
+ chan = l2cap_pi(sk)->chan;
+
+ l2cap_chan_hold(chan);
+ l2cap_chan_lock(chan);
sock_orphan(sk);
l2cap_sock_kill(sk);
+
+ l2cap_chan_unlock(chan);
+ l2cap_chan_put(chan);
+
return err;
}
@@ -1219,12 +1228,15 @@ static void l2cap_sock_cleanup_listen(struct sock *parent)
BT_DBG("child chan %p state %s", chan,
state_to_string(chan->state));
+ l2cap_chan_hold(chan);
l2cap_chan_lock(chan);
+
__clear_chan_timer(chan);
l2cap_chan_close(chan, ECONNRESET);
- l2cap_chan_unlock(chan);
-
l2cap_sock_kill(sk);
+
+ l2cap_chan_unlock(chan);
+ l2cap_chan_put(chan);
}
}
diff --git a/net/core/filter.c b/net/core/filter.c
index 25a2c3186e14..557bd5cc8f94 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -5418,8 +5418,6 @@ static int bpf_gen_ld_abs(const struct bpf_insn *orig,
bool indirect = BPF_MODE(orig->code) == BPF_IND;
struct bpf_insn *insn = insn_buf;
- /* We're guaranteed here that CTX is in R6. */
- *insn++ = BPF_MOV64_REG(BPF_REG_1, BPF_REG_CTX);
if (!indirect) {
*insn++ = BPF_MOV64_IMM(BPF_REG_2, orig->imm);
} else {
@@ -5427,6 +5425,8 @@ static int bpf_gen_ld_abs(const struct bpf_insn *orig,
if (orig->imm)
*insn++ = BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, orig->imm);
}
+ /* We're guaranteed here that CTX is in R6. */
+ *insn++ = BPF_MOV64_REG(BPF_REG_1, BPF_REG_CTX);
switch (BPF_SIZE(orig->code)) {
case BPF_B:
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index bf738ec68cb5..6e890f51b7d8 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -2844,6 +2844,7 @@ static void *neigh_stat_seq_next(struct seq_file *seq, void *v, loff_t *pos)
*pos = cpu+1;
return per_cpu_ptr(tbl->stats, cpu);
}
+ (*pos)++;
return NULL;
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 84de87b7eedc..3db428242b22 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -274,6 +274,7 @@ static void *rt_cpu_seq_next(struct seq_file *seq, void *v, loff_t *pos)
*pos = cpu+1;
return &per_cpu(rt_cache_stat, cpu);
}
+ (*pos)++;
return NULL;
}
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 616ff2970f4f..4ce3397e6fcf 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2038,7 +2038,7 @@ int tcp_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int nonblock,
/* Well, if we have backlog, try to process it now yet. */
- if (copied >= target && !sk->sk_backlog.tail)
+ if (copied >= target && !READ_ONCE(sk->sk_backlog.tail))
break;
if (copied) {
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 05a206202e23..b924941b96a3 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -2377,14 +2377,13 @@ static void *ipv6_route_seq_next(struct seq_file *seq, void *v, loff_t *pos)
struct net *net = seq_file_net(seq);
struct ipv6_route_iter *iter = seq->private;
+ ++(*pos);
if (!v)
goto iter_table;
n = rcu_dereference_bh(((struct fib6_info *)v)->fib6_next);
- if (n) {
- ++*pos;
+ if (n)
return n;
- }
iter_table:
ipv6_route_check_sernum(iter);
@@ -2392,8 +2391,6 @@ static void *ipv6_route_seq_next(struct seq_file *seq, void *v, loff_t *pos)
r = fib6_walk_continue(&iter->w);
spin_unlock_bh(&iter->tbl->tb6_lock);
if (r > 0) {
- if (v)
- ++*pos;
return iter->w.leaf;
} else if (r < 0) {
fib6_walker_unlink(net, &iter->w);
diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c
index 6ead3c39f356..bcba579e292f 100644
--- a/net/llc/af_llc.c
+++ b/net/llc/af_llc.c
@@ -785,7 +785,7 @@ static int llc_ui_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
}
/* Well, if we have backlog, try to process it now yet. */
- if (copied >= target && !sk->sk_backlog.tail)
+ if (copied >= target && !READ_ONCE(sk->sk_backlog.tail))
break;
if (copied) {
diff --git a/net/mac802154/tx.c b/net/mac802154/tx.c
index bcd1a5e6ebf4..2f873a0dc583 100644
--- a/net/mac802154/tx.c
+++ b/net/mac802154/tx.c
@@ -42,11 +42,11 @@ void ieee802154_xmit_worker(struct work_struct *work)
if (res)
goto err_tx;
- ieee802154_xmit_complete(&local->hw, skb, false);
-
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
+ ieee802154_xmit_complete(&local->hw, skb, false);
+
return;
err_tx:
@@ -86,6 +86,8 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb)
/* async is priority, otherwise sync is fallback */
if (local->ops->xmit_async) {
+ unsigned int len = skb->len;
+
ret = drv_xmit_async(local, skb);
if (ret) {
ieee802154_wake_queue(&local->hw);
@@ -93,7 +95,7 @@ ieee802154_tx(struct ieee802154_local *local, struct sk_buff *skb)
}
dev->stats.tx_packets++;
- dev->stats.tx_bytes += skb->len;
+ dev->stats.tx_bytes += len;
} else {
local->tx_skb = skb;
queue_work(local->workqueue, &local->tx_work);
diff --git a/net/openvswitch/meter.c b/net/openvswitch/meter.c
index c038e021a591..5ea2471ffc03 100644
--- a/net/openvswitch/meter.c
+++ b/net/openvswitch/meter.c
@@ -255,8 +255,8 @@ static struct dp_meter *dp_meter_create(struct nlattr **a)
*
* Start with a full bucket.
*/
- band->bucket = (band->burst_size + band->rate) * 1000;
- band_max_delta_t = band->bucket / band->rate;
+ band->bucket = (band->burst_size + band->rate) * 1000ULL;
+ band_max_delta_t = div_u64(band->bucket, band->rate);
if (band_max_delta_t > meter->max_delta_t)
meter->max_delta_t = band_max_delta_t;
band++;
diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h
index 964ace2650f8..970557ed5b5b 100644
--- a/net/openvswitch/meter.h
+++ b/net/openvswitch/meter.h
@@ -26,7 +26,7 @@ struct dp_meter_band {
u32 type;
u32 rate;
u32 burst_size;
- u32 bucket; /* 1/1000 packets, or in bits */
+ u64 bucket; /* 1/1000 packets, or in bits */
struct ovs_flow_stats stats;
};
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 7bb8e5603298..d6e83a37a1ad 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -51,6 +51,7 @@
#include <net/sctp/sctp.h>
#include <net/sctp/sm.h>
#include <net/sctp/stream_sched.h>
+#include <trace/events/sctp.h>
/* Declare internal functions here. */
static int sctp_acked(struct sctp_sackhdr *sack, __u32 tsn);
@@ -1257,6 +1258,11 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_chunk *chunk)
/* Grab the association's destination address list. */
transport_list = &asoc->peer.transport_addr_list;
+ /* SCTP path tracepoint for congestion control debugging. */
+ list_for_each_entry(transport, transport_list, transports) {
+ trace_sctp_probe_path(transport, asoc);
+ }
+
sack_ctsn = ntohl(sack->cum_tsn_ack);
gap_ack_blocks = ntohs(sack->num_gap_ack_blocks);
asoc->stats.gapcnt += gap_ack_blocks;
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index c8ee8e801edb..709c082dc905 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -103,8 +103,17 @@ void svc_unreg_xprt_class(struct svc_xprt_class *xcl)
}
EXPORT_SYMBOL_GPL(svc_unreg_xprt_class);
-/*
- * Format the transport list for printing
+/**
+ * svc_print_xprts - Format the transport list for printing
+ * @buf: target buffer for formatted address
+ * @maxlen: length of target buffer
+ *
+ * Fills in @buf with a string containing a list of transport names, each name
+ * terminated with '\n'. If the buffer is too small, some entries may be
+ * missing, but it is guaranteed that all lines in the output buffer are
+ * complete.
+ *
+ * Returns positive length of the filled-in string.
*/
int svc_print_xprts(char *buf, int maxlen)
{
@@ -117,9 +126,9 @@ int svc_print_xprts(char *buf, int maxlen)
list_for_each_entry(xcl, &svc_xprt_class_list, xcl_list) {
int slen;
- sprintf(tmpstr, "%s %d\n", xcl->xcl_name, xcl->xcl_max_payload);
- slen = strlen(tmpstr);
- if (len + slen > maxlen)
+ slen = snprintf(tmpstr, sizeof(tmpstr), "%s %d\n",
+ xcl->xcl_name, xcl->xcl_max_payload);
+ if (slen >= sizeof(tmpstr) || len + slen >= maxlen)
break;
len += slen;
strcat(buf, tmpstr);
diff --git a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
index b9827665ff35..d183d4aee822 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_backchannel.c
@@ -256,6 +256,7 @@ xprt_rdma_bc_put(struct rpc_xprt *xprt)
{
dprintk("svcrdma: %s: xprt %p\n", __func__, xprt);
+ xprt_rdma_free_addresses(xprt);
xprt_free(xprt);
module_put(THIS_MODULE);
}
diff --git a/net/tipc/topsrv.c b/net/tipc/topsrv.c
index 41f4464ac6cc..ec9a7137d267 100644
--- a/net/tipc/topsrv.c
+++ b/net/tipc/topsrv.c
@@ -407,7 +407,9 @@ static int tipc_conn_rcv_from_sock(struct tipc_conn *con)
return -EWOULDBLOCK;
if (ret == sizeof(s)) {
read_lock_bh(&sk->sk_callback_lock);
- ret = tipc_conn_rcv_sub(srv, con, &s);
+ /* RACE: the connection can be closed in the meantime */
+ if (likely(connected(con)))
+ ret = tipc_conn_rcv_sub(srv, con, &s);
read_unlock_bh(&sk->sk_callback_lock);
if (!ret)
return 0;
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 2318e2e2748f..2020306468af 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -192,11 +192,17 @@ static inline int unix_may_send(struct sock *sk, struct sock *osk)
return unix_peer(osk) == NULL || unix_our_peer(sk, osk);
}
-static inline int unix_recvq_full(struct sock const *sk)
+static inline int unix_recvq_full(const struct sock *sk)
{
return skb_queue_len(&sk->sk_receive_queue) > sk->sk_max_ack_backlog;
}
+static inline int unix_recvq_full_lockless(const struct sock *sk)
+{
+ return skb_queue_len_lockless(&sk->sk_receive_queue) >
+ READ_ONCE(sk->sk_max_ack_backlog);
+}
+
struct sock *unix_peer_get(struct sock *s)
{
struct sock *peer;
@@ -1788,7 +1794,8 @@ static int unix_dgram_sendmsg(struct socket *sock, struct msghdr *msg,
* - unix_peer(sk) == sk by time of get but disconnected before lock
*/
if (other != sk &&
- unlikely(unix_peer(other) != sk && unix_recvq_full(other))) {
+ unlikely(unix_peer(other) != sk &&
+ unix_recvq_full_lockless(other))) {
if (timeo) {
timeo = unix_wait_for_peer(other, timeo);
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 452254fd89f8..250b725f5754 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3304,6 +3304,9 @@ static int selinux_inode_setxattr(struct dentry *dentry, const char *name,
return dentry_has_perm(current_cred(), dentry, FILE__SETATTR);
}
+ if (!selinux_state.initialized)
+ return (inode_owner_or_capable(inode) ? 0 : -EPERM);
+
sbsec = inode->i_sb->s_security;
if (!(sbsec->flags & SBLABEL_MNT))
return -EOPNOTSUPP;
@@ -3387,6 +3390,15 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
return;
}
+ if (!selinux_state.initialized) {
+ /* If we haven't even been initialized, then we can't validate
+ * against a policy, so leave the label as invalid. It may
+ * resolve to a valid label on the next revalidation try if
+ * we've since initialized.
+ */
+ return;
+ }
+
rc = security_context_to_sid_force(&selinux_state, value, size,
&newsid);
if (rc) {
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index f3a5a138a096..60b3f16bb5c7 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -1509,6 +1509,7 @@ static struct avc_cache_stats *sel_avc_get_stat_idx(loff_t *idx)
*idx = cpu + 1;
return &per_cpu(avc_cache_stats, cpu);
}
+ (*idx)++;
return NULL;
}
diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index 714a51721a31..ab9236e4c157 100644
--- a/sound/hda/hdac_bus.c
+++ b/sound/hda/hdac_bus.c
@@ -155,6 +155,7 @@ static void process_unsol_events(struct work_struct *work)
struct hdac_driver *drv;
unsigned int rp, caddr, res;
+ spin_lock_irq(&bus->reg_lock);
while (bus->unsol_rp != bus->unsol_wp) {
rp = (bus->unsol_rp + 1) % HDA_UNSOL_QUEUE_SIZE;
bus->unsol_rp = rp;
@@ -166,10 +167,13 @@ static void process_unsol_events(struct work_struct *work)
codec = bus->caddr_tbl[caddr & 0x0f];
if (!codec || !codec->dev.driver)
continue;
+ spin_unlock_irq(&bus->reg_lock);
drv = drv_to_hdac_driver(codec->dev.driver);
if (drv->unsol_event)
drv->unsol_event(codec, res);
+ spin_lock_irq(&bus->reg_lock);
}
+ spin_unlock_irq(&bus->reg_lock);
}
/**
diff --git a/sound/pci/asihpi/hpioctl.c b/sound/pci/asihpi/hpioctl.c
index 7d049569012c..3f06986fbecf 100644
--- a/sound/pci/asihpi/hpioctl.c
+++ b/sound/pci/asihpi/hpioctl.c
@@ -350,7 +350,7 @@ int asihpi_adapter_probe(struct pci_dev *pci_dev,
struct hpi_message hm;
struct hpi_response hr;
struct hpi_adapter adapter;
- struct hpi_pci pci;
+ struct hpi_pci pci = { 0 };
memset(&adapter, 0, sizeof(adapter));
@@ -506,7 +506,7 @@ int asihpi_adapter_probe(struct pci_dev *pci_dev,
return 0;
err:
- for (idx = 0; idx < HPI_MAX_ADAPTER_MEM_SPACES; idx++) {
+ while (--idx >= 0) {
if (pci.ap_mem_base[idx]) {
iounmap(pci.ap_mem_base[idx]);
pci.ap_mem_base[idx] = NULL;
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index fa261b27d858..8198d2e53b7d 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -1169,16 +1169,23 @@ irqreturn_t azx_interrupt(int irq, void *dev_id)
if (snd_hdac_bus_handle_stream_irq(bus, status, stream_update))
active = true;
- /* clear rirb int */
status = azx_readb(chip, RIRBSTS);
if (status & RIRB_INT_MASK) {
+ /*
+ * Clearing the interrupt status here ensures that no
+ * interrupt gets masked after the RIRB wp is read in
+ * snd_hdac_bus_update_rirb. This avoids a possible
+ * race condition where codec response in RIRB may
+ * remain unserviced by IRQ, eventually falling back
+ * to polling mode in azx_rirb_get_response.
+ */
+ azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
active = true;
if (status & RIRB_INT_RESPONSE) {
if (chip->driver_caps & AZX_DCAPS_CTX_WORKAROUND)
udelay(80);
snd_hdac_bus_update_rirb(bus);
}
- azx_writeb(chip, RIRBSTS, RIRB_INT_MASK);
}
} while (active && ++repeat < 10);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9c5b3d19bfa7..24bc9e446047 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3290,7 +3290,11 @@ static void alc256_shutup(struct hda_codec *codec)
/* 3k pull low control for Headset jack. */
/* NOTE: call this before clearing the pin, otherwise codec stalls */
- alc_update_coef_idx(codec, 0x46, 0, 3 << 12);
+ /* If disable 3k pulldown control for alc257, the Mic detection will not work correctly
+ * when booting with headset plugged. So skip setting it for the codec alc257
+ */
+ if (codec->core.vendor_id != 0x10ec0257)
+ alc_update_coef_idx(codec, 0x46, 0, 3 << 12);
if (!spec->no_shutup_pins)
snd_hda_codec_write(codec, hp_pin, 0,
@@ -5612,6 +5616,7 @@ static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
#include "hp_x360_helper.c"
enum {
+ ALC269_FIXUP_GPIO2,
ALC269_FIXUP_SONY_VAIO,
ALC275_FIXUP_SONY_VAIO_GPIO2,
ALC269_FIXUP_DELL_M101Z,
@@ -5764,6 +5769,10 @@ enum {
};
static const struct hda_fixup alc269_fixups[] = {
+ [ALC269_FIXUP_GPIO2] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc_fixup_gpio2,
+ },
[ALC269_FIXUP_SONY_VAIO] = {
.type = HDA_FIXUP_PINCTLS,
.v.pins = (const struct hda_pintbl[]) {
@@ -6559,6 +6568,8 @@ static const struct hda_fixup alc269_fixups[] = {
[ALC233_FIXUP_LENOVO_MULTI_CODECS] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc233_alc662_fixup_lenovo_dual_codecs,
+ .chained = true,
+ .chain_id = ALC269_FIXUP_GPIO2
},
[ALC233_FIXUP_ACER_HEADSET_MIC] = {
.type = HDA_FIXUP_VERBS,
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 89b6e187ac23..a5b0c40ee545 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -2130,10 +2130,16 @@ static void max98090_pll_work(struct max98090_priv *max98090)
dev_info_ratelimited(component->dev, "PLL unlocked\n");
+ /*
+ * As the datasheet suggested, the maximum PLL lock time should be
+ * 7 msec. The workaround resets the codec softly by toggling SHDN
+ * off and on if PLL failed to lock for 10 msec. Notably, there is
+ * no suggested hold time for SHDN off.
+ */
+
/* Toggle shutdown OFF then ON */
snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
M98090_SHDNN_MASK, 0);
- msleep(10);
snd_soc_component_update_bits(component, M98090_REG_DEVICE_SHUTDOWN,
M98090_SHDNN_MASK, M98090_SHDNN_MASK);
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 01acb8da2f48..e3e069277a3f 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -3376,6 +3376,8 @@ int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *
return -EINVAL;
}
+ pm_runtime_get_sync(component->dev);
+
switch (micbias) {
case 1:
micdet = &wm8994->micdet[0];
@@ -3423,6 +3425,8 @@ int wm8994_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *
snd_soc_dapm_sync(dapm);
+ pm_runtime_put(component->dev);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm8994_mic_detect);
@@ -3790,6 +3794,8 @@ int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *
return -EINVAL;
}
+ pm_runtime_get_sync(component->dev);
+
if (jack) {
snd_soc_dapm_force_enable_pin(dapm, "CLK_SYS");
snd_soc_dapm_sync(dapm);
@@ -3858,6 +3864,8 @@ int wm8958_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *
snd_soc_dapm_sync(dapm);
}
+ pm_runtime_put(component->dev);
+
return 0;
}
EXPORT_SYMBOL_GPL(wm8958_mic_detect);
@@ -4051,11 +4059,13 @@ static int wm8994_component_probe(struct snd_soc_component *component)
wm8994->hubs.dcs_readback_mode = 2;
break;
}
+ wm8994->hubs.micd_scthr = true;
break;
case WM8958:
wm8994->hubs.dcs_readback_mode = 1;
wm8994->hubs.hp_startup_mode = 1;
+ wm8994->hubs.micd_scthr = true;
switch (control->revision) {
case 0:
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index fed6ea9b019f..da7fa6f5459e 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -1227,6 +1227,9 @@ int wm_hubs_handle_analogue_pdata(struct snd_soc_component *component,
snd_soc_component_update_bits(component, WM8993_ADDITIONAL_CONTROL,
WM8993_LINEOUT2_FB, WM8993_LINEOUT2_FB);
+ if (!hubs->micd_scthr)
+ return 0;
+
snd_soc_component_update_bits(component, WM8993_MICBIAS,
WM8993_JD_SCTHR_MASK | WM8993_JD_THR_MASK |
WM8993_MICB1_LVL | WM8993_MICB2_LVL,
diff --git a/sound/soc/codecs/wm_hubs.h b/sound/soc/codecs/wm_hubs.h
index ee339ad8514d..1433d73e09bf 100644
--- a/sound/soc/codecs/wm_hubs.h
+++ b/sound/soc/codecs/wm_hubs.h
@@ -31,6 +31,7 @@ struct wm_hubs_data {
int hp_startup_mode;
int series_startup;
int no_series_update;
+ bool micd_scthr;
bool no_cache_dac_hp_direct;
struct list_head dcs_cache;
diff --git a/sound/soc/img/img-i2s-out.c b/sound/soc/img/img-i2s-out.c
index fc2d1dac6333..798ab579564c 100644
--- a/sound/soc/img/img-i2s-out.c
+++ b/sound/soc/img/img-i2s-out.c
@@ -350,8 +350,10 @@ static int img_i2s_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
chan_control_mask = IMG_I2S_OUT_CHAN_CTL_CLKT_MASK;
ret = pm_runtime_get_sync(i2s->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(i2s->dev);
return ret;
+ }
img_i2s_out_disable(i2s);
@@ -491,8 +493,10 @@ static int img_i2s_out_probe(struct platform_device *pdev)
goto err_pm_disable;
}
ret = pm_runtime_get_sync(&pdev->dev);
- if (ret < 0)
+ if (ret < 0) {
+ pm_runtime_put_noidle(&pdev->dev);
goto err_suspend;
+ }
reg = IMG_I2S_OUT_CTL_FRM_SIZE_MASK;
img_i2s_out_writel(i2s, reg, IMG_I2S_OUT_CTL);
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index 0dcd249877c5..ec630127ef2f 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -588,6 +588,16 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = {
BYT_RT5640_SSP0_AIF1 |
BYT_RT5640_MCLK_EN),
},
+ { /* MPMAN Converter 9, similar hw as the I.T.Works TW891 2-in-1 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "MPMAN"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Converter9"),
+ },
+ .driver_data = (void *)(BYTCR_INPUT_DEFAULTS |
+ BYT_RT5640_MONO_SPEAKER |
+ BYT_RT5640_SSP0_AIF1 |
+ BYT_RT5640_MCLK_EN),
+ },
{
/* MPMAN MPWIN895CL */
.matches = {
diff --git a/sound/soc/kirkwood/kirkwood-dma.c b/sound/soc/kirkwood/kirkwood-dma.c
index c6a58520d377..255cc45905b8 100644
--- a/sound/soc/kirkwood/kirkwood-dma.c
+++ b/sound/soc/kirkwood/kirkwood-dma.c
@@ -136,7 +136,7 @@ static int kirkwood_dma_open(struct snd_pcm_substream *substream)
err = request_irq(priv->irq, kirkwood_dma_irq, IRQF_SHARED,
"kirkwood-i2s", priv);
if (err)
- return -EBUSY;
+ return err;
/*
* Enable Error interrupts. We're only ack'ing them but
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 28a3ad8b1d74..137e1e8718d6 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1828,6 +1828,28 @@ static int snd_usbmidi_create_endpoints(struct snd_usb_midi *umidi,
return 0;
}
+static struct usb_ms_endpoint_descriptor *find_usb_ms_endpoint_descriptor(
+ struct usb_host_endpoint *hostep)
+{
+ unsigned char *extra = hostep->extra;
+ int extralen = hostep->extralen;
+
+ while (extralen > 3) {
+ struct usb_ms_endpoint_descriptor *ms_ep =
+ (struct usb_ms_endpoint_descriptor *)extra;
+
+ if (ms_ep->bLength > 3 &&
+ ms_ep->bDescriptorType == USB_DT_CS_ENDPOINT &&
+ ms_ep->bDescriptorSubtype == UAC_MS_GENERAL)
+ return ms_ep;
+ if (!extra[0])
+ break;
+ extralen -= extra[0];
+ extra += extra[0];
+ }
+ return NULL;
+}
+
/*
* Returns MIDIStreaming device capabilities.
*/
@@ -1865,11 +1887,8 @@ static int snd_usbmidi_get_ms_info(struct snd_usb_midi *umidi,
ep = get_ep_desc(hostep);
if (!usb_endpoint_xfer_bulk(ep) && !usb_endpoint_xfer_int(ep))
continue;
- ms_ep = (struct usb_ms_endpoint_descriptor *)hostep->extra;
- if (hostep->extralen < 4 ||
- ms_ep->bLength < 4 ||
- ms_ep->bDescriptorType != USB_DT_CS_ENDPOINT ||
- ms_ep->bDescriptorSubtype != UAC_MS_GENERAL)
+ ms_ep = find_usb_ms_endpoint_descriptor(hostep);
+ if (!ms_ep)
continue;
if (usb_endpoint_dir_out(ep)) {
if (endpoints[epidx].out_ep) {
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 45bd3d54be54..451b8ea383c6 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1699,6 +1699,16 @@ static void __build_feature_ctl(struct usb_mixer_interface *mixer,
/* get min/max values */
get_min_max_with_quirks(cval, 0, kctl);
+ /* skip a bogus volume range */
+ if (cval->max <= cval->min) {
+ usb_audio_dbg(mixer->chip,
+ "[%d] FU [%s] skipped due to invalid volume\n",
+ cval->head.id, kctl->id.name);
+ snd_ctl_free_one(kctl);
+ return;
+ }
+
+
if (control == UAC_FU_VOLUME) {
check_mapped_dB(map, cval);
if (cval->dBmin < cval->dBmax || !cval->initialized) {
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 8d9117312e30..e6dea1c7112b 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1338,12 +1338,13 @@ void snd_usb_ctl_msg_quirk(struct usb_device *dev, unsigned int pipe,
&& (requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
msleep(20);
- /* Zoom R16/24, Logitech H650e, Jabra 550a, Kingston HyperX needs a tiny
- * delay here, otherwise requests like get/set frequency return as
- * failed despite actually succeeding.
+ /* Zoom R16/24, Logitech H650e/H570e, Jabra 550a, Kingston HyperX
+ * needs a tiny delay here, otherwise requests like get/set
+ * frequency return as failed despite actually succeeding.
*/
if ((chip->usb_id == USB_ID(0x1686, 0x00dd) ||
chip->usb_id == USB_ID(0x046d, 0x0a46) ||
+ chip->usb_id == USB_ID(0x046d, 0x0a56) ||
chip->usb_id == USB_ID(0x0b0e, 0x0349) ||
chip->usb_id == USB_ID(0x0951, 0x16ad)) &&
(requesttype & USB_TYPE_MASK) == USB_TYPE_CLASS)
diff --git a/tools/gpio/gpio-hammer.c b/tools/gpio/gpio-hammer.c
index 4bcb234c0fca..3da5462a0c7d 100644
--- a/tools/gpio/gpio-hammer.c
+++ b/tools/gpio/gpio-hammer.c
@@ -138,7 +138,14 @@ int main(int argc, char **argv)
device_name = optarg;
break;
case 'o':
- lines[i] = strtoul(optarg, NULL, 10);
+ /*
+ * Avoid overflow. Do not immediately error, we want to
+ * be able to accurately report on the amount of times
+ * '-o' was given to give an accurate error message
+ */
+ if (i < GPIOHANDLES_MAX)
+ lines[i] = strtoul(optarg, NULL, 10);
+
i++;
break;
case '?':
@@ -146,6 +153,14 @@ int main(int argc, char **argv)
return -1;
}
}
+
+ if (i >= GPIOHANDLES_MAX) {
+ fprintf(stderr,
+ "Only %d occurences of '-o' are allowed, %d were found\n",
+ GPIOHANDLES_MAX, i + 1);
+ return -1;
+ }
+
nlines = i;
if (!device_name || !nlines) {
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index fd3071d83dea..c0ab27368a34 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -503,7 +503,7 @@ static int add_jump_destinations(struct objtool_file *file)
insn->type != INSN_JUMP_UNCONDITIONAL)
continue;
- if (insn->ignore || insn->offset == FAKE_JUMP_OFFSET)
+ if (insn->offset == FAKE_JUMP_OFFSET)
continue;
rela = find_rela_by_dest_range(insn->sec, insn->offset,
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 6aae10ff954c..adabe9d4dc86 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -422,7 +422,7 @@ static void process_interval(void)
}
init_stats(&walltime_nsecs_stats);
- update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000);
+ update_stats(&walltime_nsecs_stats, stat_config.interval * 1000000ULL);
print_counters(&rs, 0, NULL);
}
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index c17e59404171..6631970f9683 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -1064,10 +1064,9 @@ static int process_one_file(const char *fpath, const struct stat *sb,
*/
int main(int argc, char *argv[])
{
- int rc;
+ int rc, ret = 0;
int maxfds;
char ldirname[PATH_MAX];
-
const char *arch;
const char *output_file;
const char *start_dirname;
@@ -1138,7 +1137,8 @@ int main(int argc, char *argv[])
/* Make build fail */
fclose(eventsfp);
free_arch_std_events();
- return 1;
+ ret = 1;
+ goto out_free_mapfile;
} else if (rc) {
goto empty_map;
}
@@ -1156,14 +1156,17 @@ int main(int argc, char *argv[])
/* Make build fail */
fclose(eventsfp);
free_arch_std_events();
- return 1;
+ ret = 1;
}
- return 0;
+
+ goto out_free_mapfile;
empty_map:
fclose(eventsfp);
create_empty_mapping(output_file);
free_arch_std_events();
- return 0;
+out_free_mapfile:
+ free(mapfile);
+ return ret;
}
diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf/tests/shell/lib/probe_vfs_getname.sh
index 7cb99b433888..c2cc42daf924 100644
--- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh
@@ -14,7 +14,7 @@ add_probe_vfs_getname() {
if [ $had_vfs_getname -eq 1 ] ; then
line=$(perf probe -L getname_flags 2>&1 | egrep 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/')
perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \
- perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:string"
+ perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring"
fi
}
diff --git a/tools/perf/trace/beauty/arch_errno_names.sh b/tools/perf/trace/beauty/arch_errno_names.sh
index 22c9fc900c84..f8c44a85650b 100755
--- a/tools/perf/trace/beauty/arch_errno_names.sh
+++ b/tools/perf/trace/beauty/arch_errno_names.sh
@@ -91,7 +91,7 @@ EoHEADER
# in tools/perf/arch
archlist=""
for arch in $(find $toolsdir/arch -maxdepth 1 -mindepth 1 -type d -printf "%f\n" | grep -v x86 | sort); do
- test -d arch/$arch && archlist="$archlist $arch"
+ test -d $toolsdir/perf/arch/$arch && archlist="$archlist $arch"
done
for arch in x86 $archlist generic; do
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index f93846edc1e0..827d844f4efb 100644
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -462,7 +462,7 @@ static void set_max_cpu_num(void)
/* get the highest possible cpu number for a sparse allocation */
ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/possible", mnt);
- if (ret == PATH_MAX) {
+ if (ret >= PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
goto out;
}
@@ -473,7 +473,7 @@ static void set_max_cpu_num(void)
/* get the highest present cpu number for a sparse allocation */
ret = snprintf(path, PATH_MAX, "%s/devices/system/cpu/present", mnt);
- if (ret == PATH_MAX) {
+ if (ret >= PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
goto out;
}
@@ -501,7 +501,7 @@ static void set_max_node_num(void)
/* get the highest possible cpu number for a sparse allocation */
ret = snprintf(path, PATH_MAX, "%s/devices/system/node/possible", mnt);
- if (ret == PATH_MAX) {
+ if (ret >= PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
goto out;
}
@@ -586,7 +586,7 @@ int cpu__setup_cpunode_map(void)
return 0;
n = snprintf(path, PATH_MAX, "%s/devices/system/node", mnt);
- if (n == PATH_MAX) {
+ if (n >= PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
return -1;
}
@@ -601,7 +601,7 @@ int cpu__setup_cpunode_map(void)
continue;
n = snprintf(buf, PATH_MAX, "%s/%s", path, dent1->d_name);
- if (n == PATH_MAX) {
+ if (n >= PATH_MAX) {
pr_err("sysfs path crossed PATH_MAX(%d) size\n", PATH_MAX);
continue;
}
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 4fad92213609..11a2aa80802d 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1290,6 +1290,9 @@ void perf_evsel__exit(struct perf_evsel *evsel)
thread_map__put(evsel->threads);
zfree(&evsel->group_name);
zfree(&evsel->name);
+ zfree(&evsel->pmu_name);
+ zfree(&evsel->per_pkg_mask);
+ zfree(&evsel->metric_events);
perf_evsel__object.fini(evsel);
}
diff --git a/tools/perf/util/mem2node.c b/tools/perf/util/mem2node.c
index c6fd81c02586..81c5a2e438b7 100644
--- a/tools/perf/util/mem2node.c
+++ b/tools/perf/util/mem2node.c
@@ -1,5 +1,6 @@
#include <errno.h>
#include <inttypes.h>
+#include <asm/bug.h>
#include <linux/bitmap.h>
#include "mem2node.h"
#include "util.h"
@@ -92,7 +93,7 @@ int mem2node__init(struct mem2node *map, struct perf_env *env)
/* Cut unused entries, due to merging. */
tmp_entries = realloc(entries, sizeof(*entries) * j);
- if (tmp_entries)
+ if (tmp_entries || WARN_ON_ONCE(j == 0))
entries = tmp_entries;
for (i = 0; i < j; i++) {
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 8b3dafe3fac3..6dcc6e1182a5 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -171,6 +171,7 @@ static int metricgroup__setup_events(struct list_head *groups,
if (!evsel) {
pr_debug("Cannot resolve %s: %s\n",
eg->metric_name, eg->metric_expr);
+ free(metric_events);
continue;
}
for (i = 0; i < eg->idnum; i++)
@@ -178,11 +179,13 @@ static int metricgroup__setup_events(struct list_head *groups,
me = metricgroup__lookup(metric_events_list, evsel, true);
if (!me) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr = malloc(sizeof(struct metric_expr));
if (!expr) {
ret = -ENOMEM;
+ free(metric_events);
break;
}
expr->metric_expr = eg->metric_expr;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 95043cae5774..0eff0c3ba9ee 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1261,7 +1261,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
attr.type = pmu->type;
evsel = __add_event(list, &parse_state->idx, &attr, NULL, pmu, NULL, auto_merge_stats);
if (evsel) {
- evsel->pmu_name = name;
+ evsel->pmu_name = name ? strdup(name) : NULL;
evsel->use_uncore_alias = use_uncore_alias;
return 0;
} else {
@@ -1302,7 +1302,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
evsel->snapshot = info.snapshot;
evsel->metric_expr = info.metric_expr;
evsel->metric_name = info.metric_name;
- evsel->pmu_name = name;
+ evsel->pmu_name = name ? strdup(name) : NULL;
evsel->use_uncore_alias = use_uncore_alias;
}
@@ -1421,12 +1421,11 @@ parse_events__set_leader_for_uncore_aliase(char *name, struct list_head *list,
* event. That can be used to distinguish the leader from
* other members, even they have the same event name.
*/
- if ((leader != evsel) && (leader->pmu_name == evsel->pmu_name)) {
+ if ((leader != evsel) &&
+ !strcmp(leader->pmu_name, evsel->pmu_name)) {
is_leader = false;
continue;
}
- /* The name is always alias name */
- WARN_ON(strcmp(leader->name, evsel->name));
/* Store the leader event for each PMU */
leaders[nr_pmu++] = (uintptr_t) evsel;
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 46daa22b86e3..85ff4f68adc0 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -2690,7 +2690,7 @@ static char *prefix_if_not_in(const char *pre, char *str)
return str;
if (asprintf(&n, "%s,%s", pre, str) < 0)
- return NULL;
+ n = NULL;
free(str);
return n;
diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
index a701a8a48f00..166c621e0223 100644
--- a/tools/perf/util/symbol-elf.c
+++ b/tools/perf/util/symbol-elf.c
@@ -1421,6 +1421,7 @@ struct kcore_copy_info {
u64 first_symbol;
u64 last_symbol;
u64 first_module;
+ u64 first_module_symbol;
u64 last_module_symbol;
size_t phnum;
struct list_head phdrs;
@@ -1497,6 +1498,8 @@ static int kcore_copy__process_kallsyms(void *arg, const char *name, char type,
return 0;
if (strchr(name, '[')) {
+ if (!kci->first_module_symbol || start < kci->first_module_symbol)
+ kci->first_module_symbol = start;
if (start > kci->last_module_symbol)
kci->last_module_symbol = start;
return 0;
@@ -1694,6 +1697,10 @@ static int kcore_copy__calc_maps(struct kcore_copy_info *kci, const char *dir,
kci->etext += page_size;
}
+ if (kci->first_module_symbol &&
+ (!kci->first_module || kci->first_module_symbol < kci->first_module))
+ kci->first_module = kci->first_module_symbol;
+
kci->first_module = round_down(kci->first_module, page_size);
if (kci->last_module_symbol) {
diff --git a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
index 2fa3c5757bcb..dbed3d213bf1 100755
--- a/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
+++ b/tools/power/x86/intel_pstate_tracer/intel_pstate_tracer.py
@@ -10,11 +10,11 @@ then this utility enables and collects trace data for a user specified interval
and generates performance plots.
Prerequisites:
- Python version 2.7.x
+ Python version 2.7.x or higher
gnuplot 5.0 or higher
- gnuplot-py 1.8
+ gnuplot-py 1.8 or higher
(Most of the distributions have these required packages. They may be called
- gnuplot-py, phython-gnuplot. )
+ gnuplot-py, phython-gnuplot or phython3-gnuplot, gnuplot-nox, ... )
HWP (Hardware P-States are disabled)
Kernel config for Linux trace is enabled
@@ -180,7 +180,7 @@ def plot_pstate_cpu_with_sample():
g_plot('set xlabel "Samples"')
g_plot('set ylabel "P-State"')
g_plot('set title "{} : cpu pstate vs. sample : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_SAMPLE, C_TO)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -197,7 +197,7 @@ def plot_pstate_cpu():
# the following command is really cool, but doesn't work with the CPU masking option because it aborts on the first missing file.
# plot_str = 'plot for [i=0:*] file=sprintf("cpu%03d.csv",i) title_s=sprintf("cpu%03d",i) file using 16:7 pt 7 ps 1 title title_s'
#
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_TO)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -211,7 +211,7 @@ def plot_load_cpu():
g_plot('set ylabel "CPU load (percent)"')
g_plot('set title "{} : cpu loads : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_LOAD)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -225,7 +225,7 @@ def plot_frequency_cpu():
g_plot('set ylabel "CPU Frequency (GHz)"')
g_plot('set title "{} : cpu frequencies : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_FREQ)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -240,7 +240,7 @@ def plot_duration_cpu():
g_plot('set ylabel "Timer Duration (MilliSeconds)"')
g_plot('set title "{} : cpu durations : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_DURATION)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -254,7 +254,7 @@ def plot_scaled_cpu():
g_plot('set ylabel "Scaled Busy (Unitless)"')
g_plot('set title "{} : cpu scaled busy : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_SCALED)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -268,7 +268,7 @@ def plot_boost_cpu():
g_plot('set ylabel "CPU IO Boost (percent)"')
g_plot('set title "{} : cpu io boost : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_BOOST)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
@@ -282,7 +282,7 @@ def plot_ghz_cpu():
g_plot('set ylabel "TSC Frequency (GHz)"')
g_plot('set title "{} : cpu TSC Frequencies (Sanity check calculation) : {:%F %H:%M}"'.format(testname, datetime.now()))
- title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).replace('\n', ' ')
+ title_list = subprocess.check_output('ls cpu???.csv | sed -e \'s/.csv//\'',shell=True).decode('utf-8').replace('\n', ' ')
plot_str = "plot for [i in title_list] i.'.csv' using {:d}:{:d} pt 7 ps 1 title i".format(C_ELAPSED, C_GHZ)
g_plot('title_list = "{}"'.format(title_list))
g_plot(plot_str)
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
index 27a54a17da65..f4e92afab14b 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-glob.tc
@@ -30,7 +30,7 @@ ftrace_filter_check '*schedule*' '^.*schedule.*$'
ftrace_filter_check 'schedule*' '^schedule.*$'
# filter by *mid*end
-ftrace_filter_check '*aw*lock' '.*aw.*lock$'
+ftrace_filter_check '*pin*lock' '.*pin.*lock$'
# filter by start*mid*
ftrace_filter_check 'mutex*try*' '^mutex.*try.*'
diff --git a/tools/testing/selftests/x86/syscall_nt.c b/tools/testing/selftests/x86/syscall_nt.c
index 43fcab367fb0..74e6b3fc2d09 100644
--- a/tools/testing/selftests/x86/syscall_nt.c
+++ b/tools/testing/selftests/x86/syscall_nt.c
@@ -67,6 +67,7 @@ static void do_it(unsigned long extraflags)
set_eflags(get_eflags() | extraflags);
syscall(SYS_getpid);
flags = get_eflags();
+ set_eflags(X86_EFLAGS_IF | X86_EFLAGS_FIXED);
if ((flags & extraflags) == extraflags) {
printf("[OK]\tThe syscall worked and flags are still set\n");
} else {
diff --git a/virt/kvm/arm/mmio.c b/virt/kvm/arm/mmio.c
index 878e0edb2e1b..ff0a1c608371 100644
--- a/virt/kvm/arm/mmio.c
+++ b/virt/kvm/arm/mmio.c
@@ -142,7 +142,7 @@ static int decode_hsr(struct kvm_vcpu *vcpu, bool *is_write, int *len)
bool sign_extend;
bool sixty_four;
- if (kvm_vcpu_dabt_iss1tw(vcpu)) {
+ if (kvm_vcpu_abt_iss1tw(vcpu)) {
/* page table accesses IO mem: tell guest to fix its TTBR */
kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 41d6285c3da9..787f7329d1b7 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1282,6 +1282,9 @@ static bool transparent_hugepage_adjust(kvm_pfn_t *pfnp, phys_addr_t *ipap)
static bool kvm_is_write_fault(struct kvm_vcpu *vcpu)
{
+ if (kvm_vcpu_abt_iss1tw(vcpu))
+ return true;
+
if (kvm_vcpu_trap_is_iabt(vcpu))
return false;
@@ -1496,7 +1499,7 @@ static int user_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
unsigned long flags = 0;
write_fault = kvm_is_write_fault(vcpu);
- exec_fault = kvm_vcpu_trap_is_iabt(vcpu);
+ exec_fault = kvm_vcpu_trap_is_exec_fault(vcpu);
VM_BUG_ON(write_fault && exec_fault);
if (fault_status == FSC_PERM && !write_fault && !exec_fault) {
diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c
index cd75df25fe14..2fc1777da50d 100644
--- a/virt/kvm/arm/vgic/vgic-init.c
+++ b/virt/kvm/arm/vgic/vgic-init.c
@@ -187,6 +187,7 @@ static int kvm_vgic_dist_init(struct kvm *kvm, unsigned int nr_spis)
break;
default:
kfree(dist->spis);
+ dist->spis = NULL;
return -EINVAL;
}
}
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
index 9295addea7ec..f139b1c62ca3 100644
--- a/virt/kvm/arm/vgic/vgic-its.c
+++ b/virt/kvm/arm/vgic/vgic-its.c
@@ -107,14 +107,21 @@ static struct vgic_irq *vgic_add_lpi(struct kvm *kvm, u32 intid,
* We "cache" the configuration table entries in our struct vgic_irq's.
* However we only have those structs for mapped IRQs, so we read in
* the respective config data from memory here upon mapping the LPI.
+ *
+ * Should any of these fail, behave as if we couldn't create the LPI
+ * by dropping the refcount and returning the error.
*/
ret = update_lpi_config(kvm, irq, NULL, false);
- if (ret)
+ if (ret) {
+ vgic_put_irq(kvm, irq);
return ERR_PTR(ret);
+ }
ret = vgic_v3_lpi_sync_pending_status(kvm, irq);
- if (ret)
+ if (ret) {
+ vgic_put_irq(kvm, irq);
return ERR_PTR(ret);
+ }
return irq;
}
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 6bd01d12df2e..9312c7e750ed 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -169,6 +169,7 @@ bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
*/
if (pfn_valid(pfn))
return PageReserved(pfn_to_page(pfn)) &&
+ !is_zero_pfn(pfn) &&
!kvm_is_zone_device_pfn(pfn);
return true;
prev parent reply other threads:[~2020-10-01 15:36 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 15:35 Linux 4.19.149 Greg Kroah-Hartman
2020-10-01 15:35 ` Greg Kroah-Hartman [this message]
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