Re: Linux 5.17.5

Greg Kroah-Hartman
2022-04-27T13:12:36Z

diff --git a/Documentation/filesystems/ext4/attributes.rst b/Documentation/filesystems/ext4/attributes.rst
index 54386a010a8d..871d2da7a0a9 100644
--- a/Documentation/filesystems/ext4/attributes.rst
+++ b/Documentation/filesystems/ext4/attributes.rst
@@ -76,7 +76,7 @@ The beginning of an extended attribute block is in
- Checksum of the extended attribute block.
* - 0x14
- \_\_u32
- - h\_reserved[2]
+ - h\_reserved[3]
- Zero.

The checksum is calculated against the FS UUID, the 64-bit block number
diff --git a/Makefile b/Makefile
index d7747e4c216e..3ad5dc6be393 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 17
-SUBLEVEL = 4
+SUBLEVEL = 5
EXTRAVERSION =
NAME = Superb Owl

diff --git a/arch/arc/kernel/entry.S b/arch/arc/kernel/entry.S
index dd77a0c8f740..66ba549b520f 100644
--- a/arch/arc/kernel/entry.S
+++ b/arch/arc/kernel/entry.S
@@ -196,6 +196,7 @@ tracesys_exit:
st r0, [sp, PT_r0] ; sys call return value in pt_regs

;POST Sys Call Ptrace Hook
+ mov r0, sp ; pt_regs needed
bl @syscall_trace_exit
b ret_from_exception ; NOT ret_from_system_call at is saves r0 which
; we'd done before calling post hook above
diff --git a/arch/arm/mach-vexpress/spc.c b/arch/arm/mach-vexpress/spc.c
index 1da11bdb1dfb..1c6500c4e6a1 100644
--- a/arch/arm/mach-vexpress/spc.c
+++ b/arch/arm/mach-vexpress/spc.c
@@ -580,7 +580,7 @@ static int __init ve_spc_clk_init(void)
}

cluster = topology_physical_package_id(cpu_dev->id);
- if (init_opp_table[cluster])
+ if (cluster < 0 || init_opp_table[cluster])
continue;

if (ve_init_opp_table(cpu_dev))
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index ec5b082f3de6..07eb69f9e7df 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -337,12 +337,15 @@ int __init arch_xen_unpopulated_init(struct resource **res)

if (!nr_reg) {
pr_err("No extended regions are found\n");
+ of_node_put(np);
return -EINVAL;
}

regs = kcalloc(nr_reg, sizeof(*regs), GFP_KERNEL);
- if (!regs)
+ if (!regs) {
+ of_node_put(np);
return -ENOMEM;
+ }

/*
* Create resource from extended regions provided by the hypervisor to be
@@ -403,8 +406,8 @@ int __init arch_xen_unpopulated_init(struct resource **res)
*res = &xen_resource;

err:
+ of_node_put(np);
kfree(regs);
-
return rc;
}
#endif
@@ -424,8 +427,10 @@ static void __init xen_dt_guest_init(void)

if (of_address_to_resource(xen_node, GRANT_TABLE_INDEX, &res)) {
pr_err("Xen grant table region is not found\n");
+ of_node_put(xen_node);
return;
}
+ of_node_put(xen_node);
xen_grant_frames = res.start;
}

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
index 1dc9d187601c..a0bd540f27d3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi
@@ -89,12 +89,12 @@ touchscreen@0 {
pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;

ti,x-min = /bits/ 16 <125>;
- touchscreen-size-x = /bits/ 16 <4008>;
+ touchscreen-size-x = <4008>;
ti,y-min = /bits/ 16 <282>;
- touchscreen-size-y = /bits/ 16 <3864>;
+ touchscreen-size-y = <3864>;
ti,x-plate-ohms = /bits/ 16 <180>;
- touchscreen-max-pressure = /bits/ 16 <255>;
- touchscreen-average-samples = /bits/ 16 <10>;
+ touchscreen-max-pressure = <255>;
+ touchscreen-average-samples = <10>;
ti,debounce-tol = /bits/ 16 <3>;
ti,debounce-rep = /bits/ 16 <1>;
ti,settle-delay-usec = /bits/ 16 <150>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
index b16c7caf34c1..87b5e23c766f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi
@@ -70,12 +70,12 @@ touchscreen@0 {
pendown-gpio = <&gpio1 3 GPIO_ACTIVE_LOW>;

ti,x-min = /bits/ 16 <125>;
- touchscreen-size-x = /bits/ 16 <4008>;
+ touchscreen-size-x = <4008>;
ti,y-min = /bits/ 16 <282>;
- touchscreen-size-y = /bits/ 16 <3864>;
+ touchscreen-size-y = <3864>;
ti,x-plate-ohms = /bits/ 16 <180>;
- touchscreen-max-pressure = /bits/ 16 <255>;
- touchscreen-average-samples = /bits/ 16 <10>;
+ touchscreen-max-pressure = <255>;
+ touchscreen-average-samples = <10>;
ti,debounce-tol = /bits/ 16 <3>;
ti,debounce-rep = /bits/ 16 <1>;
ti,settle-delay-usec = /bits/ 16 <150>;
diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 2151cd8c8c7a..e1c46b80f14a 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -1459,6 +1459,8 @@ ipa: ipa@1e40000 {
"imem",
"config";

+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index eab7a8505053..d66865131ef9 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -1714,6 +1714,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";

+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 765d018e6306..0bde6bbb3bc7 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1443,6 +1443,8 @@ ipa: ipa@1e40000 {
interconnect-names = "memory",
"config";

+ qcom,qmp = <&aoss_qmp>;
+
qcom,smem-states = <&ipa_smp2p_out 0>,
<&ipa_smp2p_out 1>;
qcom,smem-state-names = "ipa-clock-enabled-valid",
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 94e147e5456c..dff2b483ea50 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -535,7 +535,7 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
PMD_TYPE_TABLE)
#define pmd_sect(pmd) ((pmd_val(pmd) & PMD_TYPE_MASK) == \
PMD_TYPE_SECT)
-#define pmd_leaf(pmd) pmd_sect(pmd)
+#define pmd_leaf(pmd) (pmd_present(pmd) && !pmd_table(pmd))
#define pmd_bad(pmd) (!pmd_table(pmd))

#define pmd_leaf_size(pmd) (pmd_cont(pmd) ? CONT_PMD_SIZE : PMD_SIZE)
@@ -625,7 +625,7 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
#define pud_none(pud) (!pud_val(pud))
#define pud_bad(pud) (!pud_table(pud))
#define pud_present(pud) pte_present(pud_pte(pud))
-#define pud_leaf(pud) pud_sect(pud)
+#define pud_leaf(pud) (pud_present(pud) && !pud_table(pud))
#define pud_valid(pud) pte_valid(pud_pte(pud))

static inline void set_pud(pud_t *pudp, pud_t pud)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 384f58a3f373..5f8933aec75c 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -610,23 +610,22 @@ DEFINE_INTERRUPT_HANDLER_ASYNC(timer_interrupt)
return;
}

- /* Conditionally hard-enable interrupts. */
- if (should_hard_irq_enable()) {
- /*
- * Ensure a positive value is written to the decrementer, or
- * else some CPUs will continue to take decrementer exceptions.
- * When the PPC_WATCHDOG (decrementer based) is configured,
- * keep this at most 31 bits, which is about 4 seconds on most
- * systems, which gives the watchdog a chance of catching timer
- * interrupt hard lockups.
- */
- if (IS_ENABLED(CONFIG_PPC_WATCHDOG))
- set_dec(0x7fffffff);
- else
- set_dec(decrementer_max);
+ /*
+ * Ensure a positive value is written to the decrementer, or
+ * else some CPUs will continue to take decrementer exceptions.
+ * When the PPC_WATCHDOG (decrementer based) is configured,
+ * keep this at most 31 bits, which is about 4 seconds on most
+ * systems, which gives the watchdog a chance of catching timer
+ * interrupt hard lockups.
+ */
+ if (IS_ENABLED(CONFIG_PPC_WATCHDOG))
+ set_dec(0x7fffffff);
+ else
+ set_dec(decrementer_max);

+ /* Conditionally hard-enable interrupts. */
+ if (should_hard_irq_enable())
do_hard_irq_enable();
- }

#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC)
if (atomic_read(&ppc_n_lost_interrupts) != 0)
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index d42b4b6d4a79..85cfa6328222 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -420,13 +420,19 @@ static void kvmppc_tce_put(struct kvmppc_spapr_tce_table *stt,
tbl[idx % TCES_PER_PAGE] = tce;
}

-static void kvmppc_clear_tce(struct mm_struct *mm, struct iommu_table *tbl,
- unsigned long entry)
+static void kvmppc_clear_tce(struct mm_struct *mm, struct kvmppc_spapr_tce_table *stt,
+ struct iommu_table *tbl, unsigned long entry)
{
- unsigned long hpa = 0;
- enum dma_data_direction dir = DMA_NONE;
+ unsigned long i;
+ unsigned long subpages = 1ULL << (stt->page_shift - tbl->it_page_shift);
+ unsigned long io_entry = entry << (stt->page_shift - tbl->it_page_shift);
+
+ for (i = 0; i < subpages; ++i) {
+ unsigned long hpa = 0;
+ enum dma_data_direction dir = DMA_NONE;

- iommu_tce_xchg_no_kill(mm, tbl, entry, &hpa, &dir);
+ iommu_tce_xchg_no_kill(mm, tbl, io_entry + i, &hpa, &dir);
+ }
}

static long kvmppc_tce_iommu_mapped_dec(struct kvm *kvm,
@@ -485,6 +491,8 @@ static long kvmppc_tce_iommu_unmap(struct kvm *kvm,
break;
}

+ iommu_tce_kill(tbl, io_entry, subpages);
+
return ret;
}

@@ -544,6 +552,8 @@ static long kvmppc_tce_iommu_map(struct kvm *kvm,
break;
}

+ iommu_tce_kill(tbl, io_entry, subpages);
+
return ret;
}

@@ -590,10 +600,9 @@ long kvmppc_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
ret = kvmppc_tce_iommu_map(vcpu->kvm, stt, stit->tbl,
entry, ua, dir);

- iommu_tce_kill(stit->tbl, entry, 1);

if (ret != H_SUCCESS) {
- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl, entry);
+ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl, entry);
goto unlock_exit;
}
}
@@ -669,13 +678,13 @@ long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
*/
if (get_user(tce, tces + i)) {
ret = H_TOO_HARD;
- goto invalidate_exit;
+ goto unlock_exit;
}
tce = be64_to_cpu(tce);

if (kvmppc_tce_to_ua(vcpu->kvm, tce, &ua)) {
ret = H_PARAMETER;
- goto invalidate_exit;
+ goto unlock_exit;
}

list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
@@ -684,19 +693,15 @@ long kvmppc_h_put_tce_indirect(struct kvm_vcpu *vcpu,
iommu_tce_direction(tce));

if (ret != H_SUCCESS) {
- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl,
- entry);
- goto invalidate_exit;
+ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl,
+ entry + i);
+ goto unlock_exit;
}
}

kvmppc_tce_put(stt, entry + i, tce);
}

-invalidate_exit:
- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
- iommu_tce_kill(stit->tbl, entry, npages);
-
unlock_exit:
srcu_read_unlock(&vcpu->kvm->srcu, idx);

@@ -735,20 +740,16 @@ long kvmppc_h_stuff_tce(struct kvm_vcpu *vcpu,
continue;

if (ret == H_TOO_HARD)
- goto invalidate_exit;
+ return ret;

WARN_ON_ONCE(1);
- kvmppc_clear_tce(vcpu->kvm->mm, stit->tbl, entry);
+ kvmppc_clear_tce(vcpu->kvm->mm, stt, stit->tbl, entry + i);
}
}

for (i = 0; i < npages; ++i, ioba += (1ULL << stt->page_shift))
kvmppc_tce_put(stt, ioba >> stt->page_shift, tce_value);

-invalidate_exit:
- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
- iommu_tce_kill(stit->tbl, ioba >> stt->page_shift, npages);
-
return ret;
}
EXPORT_SYMBOL_GPL(kvmppc_h_stuff_tce);
diff --git a/arch/powerpc/kvm/book3s_64_vio_hv.c b/arch/powerpc/kvm/book3s_64_vio_hv.c
index 870b7f0c7ea5..fdeda6a9cff4 100644
--- a/arch/powerpc/kvm/book3s_64_vio_hv.c
+++ b/arch/powerpc/kvm/book3s_64_vio_hv.c
@@ -247,13 +247,19 @@ static void iommu_tce_kill_rm(struct iommu_table *tbl,
tbl->it_ops->tce_kill(tbl, entry, pages, true);
}

-static void kvmppc_rm_clear_tce(struct kvm *kvm, struct iommu_table *tbl,
- unsigned long entry)
+static void kvmppc_rm_clear_tce(struct kvm *kvm, struct kvmppc_spapr_tce_table *stt,
+ struct iommu_table *tbl, unsigned long entry)
{
- unsigned long hpa = 0;
- enum dma_data_direction dir = DMA_NONE;
+ unsigned long i;
+ unsigned long subpages = 1ULL << (stt->page_shift - tbl->it_page_shift);
+ unsigned long io_entry = entry << (stt->page_shift - tbl->it_page_shift);
+
+ for (i = 0; i < subpages; ++i) {
+ unsigned long hpa = 0;
+ enum dma_data_direction dir = DMA_NONE;

- iommu_tce_xchg_no_kill_rm(kvm->mm, tbl, entry, &hpa, &dir);
+ iommu_tce_xchg_no_kill_rm(kvm->mm, tbl, io_entry + i, &hpa, &dir);
+ }
}

static long kvmppc_rm_tce_iommu_mapped_dec(struct kvm *kvm,
@@ -316,6 +322,8 @@ static long kvmppc_rm_tce_iommu_unmap(struct kvm *kvm,
break;
}

+ iommu_tce_kill_rm(tbl, io_entry, subpages);
+
return ret;
}

@@ -379,6 +387,8 @@ static long kvmppc_rm_tce_iommu_map(struct kvm *kvm,
break;
}

+ iommu_tce_kill_rm(tbl, io_entry, subpages);
+
return ret;
}

@@ -420,10 +430,8 @@ long kvmppc_rm_h_put_tce(struct kvm_vcpu *vcpu, unsigned long liobn,
ret = kvmppc_rm_tce_iommu_map(vcpu->kvm, stt,
stit->tbl, entry, ua, dir);

- iommu_tce_kill_rm(stit->tbl, entry, 1);
-
if (ret != H_SUCCESS) {
- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl, entry);
+ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl, entry);
return ret;
}
}
@@ -561,7 +569,7 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
ua = 0;
if (kvmppc_rm_tce_to_ua(vcpu->kvm, tce, &ua)) {
ret = H_PARAMETER;
- goto invalidate_exit;
+ goto unlock_exit;
}

list_for_each_entry_lockless(stit, &stt->iommu_tables, next) {
@@ -570,19 +578,15 @@ long kvmppc_rm_h_put_tce_indirect(struct kvm_vcpu *vcpu,
iommu_tce_direction(tce));

if (ret != H_SUCCESS) {
- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl,
- entry);
- goto invalidate_exit;
+ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl,
+ entry + i);
+ goto unlock_exit;
}
}

kvmppc_rm_tce_put(stt, entry + i, tce);
}

-invalidate_exit:
- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
- iommu_tce_kill_rm(stit->tbl, entry, npages);
-
unlock_exit:
if (!prereg)
arch_spin_unlock(&kvm->mmu_lock.rlock.raw_lock);
@@ -620,20 +624,16 @@ long kvmppc_rm_h_stuff_tce(struct kvm_vcpu *vcpu,
continue;

if (ret == H_TOO_HARD)
- goto invalidate_exit;
+ return ret;

WARN_ON_ONCE_RM(1);
- kvmppc_rm_clear_tce(vcpu->kvm, stit->tbl, entry);
+ kvmppc_rm_clear_tce(vcpu->kvm, stt, stit->tbl, entry + i);
}
}

for (i = 0; i < npages; ++i, ioba += (1ULL << stt->page_shift))
kvmppc_rm_tce_put(stt, ioba >> stt->page_shift, tce_value);

-invalidate_exit:
- list_for_each_entry_lockless(stit, &stt->iommu_tables, next)
- iommu_tce_kill_rm(stit->tbl, ioba >> stt->page_shift, npages);
-
return ret;
}

diff --git a/arch/powerpc/perf/power10-pmu.c b/arch/powerpc/perf/power10-pmu.c
index 0975ad0b42c4..69b4565d1a8f 100644
--- a/arch/powerpc/perf/power10-pmu.c
+++ b/arch/powerpc/perf/power10-pmu.c
@@ -91,8 +91,8 @@ extern u64 PERF_REG_EXTENDED_MASK;

/* Table of alternatives, sorted by column 0 */
static const unsigned int power10_event_alternatives[][MAX_ALT] = {
- { PM_CYC_ALT, PM_CYC },
{ PM_INST_CMPL_ALT, PM_INST_CMPL },
+ { PM_CYC_ALT, PM_CYC },
};

static int power10_get_alternatives(u64 event, unsigned int flags, u64 alt[])
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 4b7c17e36100..37b2860db483 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c
@@ -133,11 +133,11 @@ int p9_dd22_bl_ev[] = {

/* Table of alternatives, sorted by column 0 */
static const unsigned int power9_event_alternatives[][MAX_ALT] = {
- { PM_INST_DISP, PM_INST_DISP_ALT },
- { PM_RUN_CYC_ALT, PM_RUN_CYC },
- { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
- { PM_LD_MISS_L1, PM_LD_MISS_L1_ALT },
{ PM_BR_2PATH, PM_BR_2PATH_ALT },
+ { PM_INST_DISP, PM_INST_DISP_ALT },
+ { PM_RUN_CYC_ALT, PM_RUN_CYC },
+ { PM_LD_MISS_L1, PM_LD_MISS_L1_ALT },
+ { PM_RUN_INST_CMPL_ALT, PM_RUN_INST_CMPL },
};

static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[])
diff --git a/arch/riscv/kvm/vcpu.c b/arch/riscv/kvm/vcpu.c
index 6785aef4cbd4..aad430668bb4 100644
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
@@ -38,14 +38,16 @@ const struct kvm_stats_header kvm_vcpu_stats_header = {
sizeof(kvm_vcpu_stats_desc),
};

-#define KVM_RISCV_ISA_ALLOWED (riscv_isa_extension_mask(a) | \
- riscv_isa_extension_mask(c) | \
- riscv_isa_extension_mask(d) | \
- riscv_isa_extension_mask(f) | \
- riscv_isa_extension_mask(i) | \
- riscv_isa_extension_mask(m) | \
- riscv_isa_extension_mask(s) | \
- riscv_isa_extension_mask(u))
+#define KVM_RISCV_ISA_DISABLE_ALLOWED (riscv_isa_extension_mask(d) | \
+ riscv_isa_extension_mask(f))
+
+#define KVM_RISCV_ISA_DISABLE_NOT_ALLOWED (riscv_isa_extension_mask(a) | \
+ riscv_isa_extension_mask(c) | \
+ riscv_isa_extension_mask(i) | \
+ riscv_isa_extension_mask(m))
+
+#define KVM_RISCV_ISA_ALLOWED (KVM_RISCV_ISA_DISABLE_ALLOWED | \
+ KVM_RISCV_ISA_DISABLE_NOT_ALLOWED)

static void kvm_riscv_reset_vcpu(struct kvm_vcpu *vcpu)
{
@@ -219,7 +221,8 @@ static int kvm_riscv_vcpu_set_reg_config(struct kvm_vcpu *vcpu,
switch (reg_num) {
case KVM_REG_RISCV_CONFIG_REG(isa):
if (!vcpu->arch.ran_atleast_once) {
- vcpu->arch.isa = reg_val;
+ /* Ignore the disable request for these extensions */
+ vcpu->arch.isa = reg_val | KVM_RISCV_ISA_DISABLE_NOT_ALLOWED;
vcpu->arch.isa &= riscv_isa_extension_base(NULL);
vcpu->arch.isa &= KVM_RISCV_ISA_ALLOWED;
kvm_riscv_vcpu_fp_reset(vcpu);
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 7516e4199b3c..20fd0acd7d80 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -28,15 +28,13 @@ typedef u16 compat_ipc_pid_t;
typedef __kernel_fsid_t compat_fsid_t;

struct compat_stat {
- compat_dev_t st_dev;
- u16 __pad1;
+ u32 st_dev;
compat_ino_t st_ino;
compat_mode_t st_mode;
compat_nlink_t st_nlink;
__compat_uid_t st_uid;
__compat_gid_t st_gid;
- compat_dev_t st_rdev;
- u16 __pad2;
+ u32 st_rdev;
u32 st_size;
u32 st_blksize;
u32 st_blocks;
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 85ee96abba80..c4b4c0839dbd 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -969,12 +969,10 @@ enum hv_tsc_page_status {
HV_TSC_PAGE_UNSET = 0,
/* TSC page MSR was written by the guest, update pending */
HV_TSC_PAGE_GUEST_CHANGED,
- /* TSC page MSR was written by KVM userspace, update pending */
+ /* TSC page update was triggered from the host side */
HV_TSC_PAGE_HOST_CHANGED,
/* TSC page was properly set up and is currently active */
HV_TSC_PAGE_SET,
- /* TSC page is currently being updated and therefore is inactive */
- HV_TSC_PAGE_UPDATING,
/* TSC page was set up with an inaccessible GPA */
HV_TSC_PAGE_BROKEN,
};
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 10bc257d3803..247ac71b7a10 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1128,11 +1128,13 @@ void kvm_hv_setup_tsc_page(struct kvm *kvm,
BUILD_BUG_ON(sizeof(tsc_seq) != sizeof(hv->tsc_ref.tsc_sequence));
BUILD_BUG_ON(offsetof(struct ms_hyperv_tsc_page, tsc_sequence) != 0);

+ mutex_lock(&hv->hv_lock);
+
if (hv->hv_tsc_page_status == HV_TSC_PAGE_BROKEN ||
+ hv->hv_tsc_page_status == HV_TSC_PAGE_SET ||
hv->hv_tsc_page_status == HV_TSC_PAGE_UNSET)
- return;
+ goto out_unlock;

- mutex_lock(&hv->hv_lock);
if (!(hv->hv_tsc_page & HV_X64_MSR_TSC_REFERENCE_ENABLE))
goto out_unlock;

@@ -1194,45 +1196,19 @@ void kvm_hv_setup_tsc_page(struct kvm *kvm,
mutex_unlock(&hv->hv_lock);
}

-void kvm_hv_invalidate_tsc_page(struct kvm *kvm)
+void kvm_hv_request_tsc_page_update(struct kvm *kvm)
{
struct kvm_hv *hv = to_kvm_hv(kvm);
- u64 gfn;
- int idx;
-
- if (hv->hv_tsc_page_status == HV_TSC_PAGE_BROKEN ||
- hv->hv_tsc_page_status == HV_TSC_PAGE_UNSET ||
- tsc_page_update_unsafe(hv))
- return;

mutex_lock(&hv->hv_lock);

- if (!(hv->hv_tsc_page & HV_X64_MSR_TSC_REFERENCE_ENABLE))
- goto out_unlock;
-
- /* Preserve HV_TSC_PAGE_GUEST_CHANGED/HV_TSC_PAGE_HOST_CHANGED states */
- if (hv->hv_tsc_page_status == HV_TSC_PAGE_SET)
- hv->hv_tsc_page_status = HV_TSC_PAGE_UPDATING;
+ if (hv->hv_tsc_page_status == HV_TSC_PAGE_SET &&
+ !tsc_page_update_unsafe(hv))
+ hv->hv_tsc_page_status = HV_TSC_PAGE_HOST_CHANGED;

- gfn = hv->hv_tsc_page >> HV_X64_MSR_TSC_REFERENCE_ADDRESS_SHIFT;
-
- hv->tsc_ref.tsc_sequence = 0;
-
- /*
- * Take the srcu lock as memslots will be accessed to check the gfn
- * cache generation against the memslots generation.
- */
- idx = srcu_read_lock(&kvm->srcu);
- if (kvm_write_guest(kvm, gfn_to_gpa(gfn),
- &hv->tsc_ref, sizeof(hv->tsc_ref.tsc_sequence)))
- hv->hv_tsc_page_status = HV_TSC_PAGE_BROKEN;
- srcu_read_unlock(&kvm->srcu, idx);
-
-out_unlock:
mutex_unlock(&hv->hv_lock);
}

-
static bool hv_check_msr_access(struct kvm_vcpu_hv *hv_vcpu, u32 msr)
{
if (!hv_vcpu->enforce_cpuid)
diff --git a/arch/x86/kvm/hyperv.h b/arch/x86/kvm/hyperv.h
index ed1c4e546d04..3e79b4a9ed4e 100644
--- a/arch/x86/kvm/hyperv.h
+++ b/arch/x86/kvm/hyperv.h
@@ -133,7 +133,7 @@ void kvm_hv_process_stimers(struct kvm_vcpu *vcpu);

void kvm_hv_setup_tsc_page(struct kvm *kvm,
struct pvclock_vcpu_time_info *hv_clock);
-void kvm_hv_invalidate_tsc_page(struct kvm *kvm);
+void kvm_hv_request_tsc_page_update(struct kvm *kvm);

void kvm_hv_init_vm(struct kvm *kvm);
void kvm_hv_destroy_vm(struct kvm *kvm);
diff --git a/arch/x86/kvm/pmu.h b/arch/x86/kvm/pmu.h
index 7a7b8d5b775e..5e7e8d163b98 100644
--- a/arch/x86/kvm/pmu.h
+++ b/arch/x86/kvm/pmu.h
@@ -140,6 +140,15 @@ static inline u64 get_sample_period(struct kvm_pmc *pmc, u64 counter_value)
return sample_period;
}

+static inline void pmc_update_sample_period(struct kvm_pmc *pmc)
+{
+ if (!pmc->perf_event || pmc->is_paused)
+ return;
+
+ perf_event_period(pmc->perf_event,
+ get_sample_period(pmc, pmc->counter));
+}
+
void reprogram_gp_counter(struct kvm_pmc *pmc, u64 eventsel);
void reprogram_fixed_counter(struct kvm_pmc *pmc, u8 ctrl, int fixed_idx);
void reprogram_counter(struct kvm_pmu *pmu, int pmc_idx);
diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
index ba40b7fced5a..b5b0837df0d1 100644
--- a/arch/x86/kvm/svm/pmu.c
+++ b/arch/x86/kvm/svm/pmu.c
@@ -257,6 +257,7 @@ static int amd_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
pmc = get_gp_pmc_amd(pmu, msr, PMU_TYPE_COUNTER);
if (pmc) {
pmc->counter += data - pmc_read_counter(pmc);
+ pmc_update_sample_period(pmc);
return 0;
}
/* MSR_EVNTSELn */
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index fef975852582..e5cecd4ad2d4 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -2204,51 +2204,39 @@ int sev_cpu_init(struct svm_cpu_data *sd)
* Pages used by hardware to hold guest encrypted state must be flushed before
* returning them to the system.
*/
-static void sev_flush_guest_memory(struct vcpu_svm *svm, void *va,
- unsigned long len)
+static void sev_flush_encrypted_page(struct kvm_vcpu *vcpu, void *va)
{
+ int asid = to_kvm_svm(vcpu->kvm)->sev_info.asid;
+
/*
- * If hardware enforced cache coherency for encrypted mappings of the
- * same physical page is supported, nothing to do.
+ * Note! The address must be a kernel address, as regular page walk
+ * checks are performed by VM_PAGE_FLUSH, i.e. operating on a user
+ * address is non-deterministic and unsafe. This function deliberately
+ * takes a pointer to deter passing in a user address.
*/
- if (boot_cpu_has(X86_FEATURE_SME_COHERENT))
- return;
+ unsigned long addr = (unsigned long)va;

/*
- * If the VM Page Flush MSR is supported, use it to flush the page
- * (using the page virtual address and the guest ASID).
+ * If CPU enforced cache coherency for encrypted mappings of the
+ * same physical page is supported, use CLFLUSHOPT instead. NOTE: cache
+ * flush is still needed in order to work properly with DMA devices.
*/
- if (boot_cpu_has(X86_FEATURE_VM_PAGE_FLUSH)) {
- struct kvm_sev_info *sev;
- unsigned long va_start;
- u64 start, stop;
-
- /* Align start and stop to page boundaries. */
- va_start = (unsigned long)va;
- start = (u64)va_start & PAGE_MASK;
- stop = PAGE_ALIGN((u64)va_start + len);
-
- if (start < stop) {
- sev = &to_kvm_svm(svm->vcpu.kvm)->sev_info;
-
- while (start < stop) {
- wrmsrl(MSR_AMD64_VM_PAGE_FLUSH,
- start | sev->asid);
-
- start += PAGE_SIZE;
- }
-
- return;
- }
-
- WARN(1, "Address overflow, using WBINVD\n");
+ if (boot_cpu_has(X86_FEATURE_SME_COHERENT)) {
+ clflush_cache_range(va, PAGE_SIZE);
+ return;
}

/*
- * Hardware should always have one of the above features,
- * but if not, use WBINVD and issue a warning.
+ * VM Page Flush takes a host virtual address and a guest ASID. Fall
+ * back to WBINVD if this faults so as not to make any problems worse
+ * by leaving stale encrypted data in the cache.
*/
- WARN_ONCE(1, "Using WBINVD to flush guest memory\n");
+ if (WARN_ON_ONCE(wrmsrl_safe(MSR_AMD64_VM_PAGE_FLUSH, addr | asid)))
+ goto do_wbinvd;
+
+ return;
+
+do_wbinvd:
wbinvd_on_all_cpus();
}

@@ -2262,7 +2250,8 @@ void sev_free_vcpu(struct kvm_vcpu *vcpu)
svm = to_svm(vcpu);

if (vcpu->arch.guest_state_protected)
- sev_flush_guest_memory(svm, svm->sev_es.vmsa, PAGE_SIZE);
+ sev_flush_encrypted_page(vcpu, svm->sev_es.vmsa);
+
__free_page(virt_to_page(svm->sev_es.vmsa));

if (svm->sev_es.ghcb_sa_free)
diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index dc822a1d403d..896ddf739236 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -4618,6 +4618,11 @@ void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 vm_exit_reason,
kvm_make_request(KVM_REQ_APIC_PAGE_RELOAD, vcpu);
}

+ if (vmx->nested.update_vmcs01_apicv_status) {
+ vmx->nested.update_vmcs01_apicv_status = false;
+ kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
+ }
+
if ((vm_exit_reason != -1) &&
(enable_shadow_vmcs || evmptr_is_valid(vmx->nested.hv_evmcs_vmptr)))
vmx->nested.need_vmcs12_to_shadow_sync = true;
diff --git a/arch/x86/kvm/vmx/pmu_intel.c b/arch/x86/kvm/vmx/pmu_intel.c
index 5fa3870b8988..a0c84761c938 100644
--- a/arch/x86/kvm/vmx/pmu_intel.c
+++ b/arch/x86/kvm/vmx/pmu_intel.c
@@ -431,15 +431,11 @@ static int intel_pmu_set_msr(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
!(msr & MSR_PMC_FULL_WIDTH_BIT))
data = (s64)(s32)data;
pmc->counter += data - pmc_read_counter(pmc);
- if (pmc->perf_event && !pmc->is_paused)
- perf_event_period(pmc->perf_event,
- get_sample_period(pmc, data));
+ pmc_update_sample_period(pmc);
return 0;
} else if ((pmc = get_fixed_pmc(pmu, msr))) {
pmc->counter += data - pmc_read_counter(pmc);
- if (pmc->perf_event && !pmc->is_paused)
- perf_event_period(pmc->perf_event,
- get_sample_period(pmc, data));
+ pmc_update_sample_period(pmc);
return 0;
} else if ((pmc = get_gp_pmc(pmu, msr, MSR_P6_EVNTSEL0))) {
if (data == pmc->eventsel)
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index b730d799c26e..ef63cfd57029 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -4182,6 +4182,11 @@ static void vmx_refresh_apicv_exec_ctrl(struct kvm_vcpu *vcpu)
{
struct vcpu_vmx *vmx = to_vmx(vcpu);

+ if (is_guest_mode(vcpu)) {
+ vmx->nested.update_vmcs01_apicv_status = true;
+ return;
+ }
+
pin_controls_set(vmx, vmx_pin_based_exec_ctrl(vmx));
if (cpu_has_secondary_exec_ctrls()) {
if (kvm_vcpu_apicv_active(vcpu))
diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 9c6bfcd84008..b98c7e96697a 100644
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -183,6 +183,7 @@ struct nested_vmx {
bool change_vmcs01_virtual_apic_mode;
bool reload_vmcs01_apic_access_page;
bool update_vmcs01_cpu_dirty_logging;
+ bool update_vmcs01_apicv_status;

/*
* Enlightened VMCS has been enabled. It does not mean that L1 has to
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 05128162ebd5..23d176cd12a4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2874,7 +2874,7 @@ static void kvm_end_pvclock_update(struct kvm *kvm)

static void kvm_update_masterclock(struct kvm *kvm)
{
- kvm_hv_invalidate_tsc_page(kvm);
+ kvm_hv_request_tsc_page_update(kvm);
kvm_start_pvclock_update(kvm);
pvclock_update_vm_gtod_copy(kvm);
kvm_end_pvclock_update(kvm);
@@ -3086,8 +3086,7 @@ static int kvm_guest_time_update(struct kvm_vcpu *v)
offsetof(struct compat_vcpu_info, time));
if (vcpu->xen.vcpu_time_info_set)
kvm_setup_pvclock_page(v, &vcpu->xen.vcpu_time_info_cache, 0);
- if (!v->vcpu_idx)
- kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock);
+ kvm_hv_setup_tsc_page(v->kvm, &vcpu->hv_clock);
return 0;
}

@@ -6190,7 +6189,7 @@ static int kvm_vm_ioctl_set_clock(struct kvm *kvm, void __user *argp)
if (data.flags & ~KVM_CLOCK_VALID_FLAGS)
return -EINVAL;

- kvm_hv_invalidate_tsc_page(kvm);
+ kvm_hv_request_tsc_page_update(kvm);
kvm_start_pvclock_update(kvm);
pvclock_update_vm_gtod_copy(kvm);

@@ -10297,12 +10296,7 @@ static int vcpu_run(struct kvm_vcpu *vcpu)

static inline int complete_emulated_io(struct kvm_vcpu *vcpu)
{
- int r;
-
- vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
- r = kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE);
- srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
- return r;
+ return kvm_emulate_instruction(vcpu, EMULTYPE_NO_DECODE);
}

static int complete_emulated_pio(struct kvm_vcpu *vcpu)
@@ -11119,8 +11113,21 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu)
r = kvm_create_lapic(vcpu, lapic_timer_advance_ns);
if (r < 0)
goto fail_mmu_destroy;
- if (kvm_apicv_activated(vcpu->kvm))
+
+ /*
+ * Defer evaluating inhibits until the vCPU is first run, as
+ * this vCPU will not get notified of any changes until this
+ * vCPU is visible to other vCPUs (marked online and added to
+ * the set of vCPUs). Opportunistically mark APICv active as
+ * VMX in particularly is highly unlikely to have inhibits.
+ * Ignore the current per-VM APICv state so that vCPU creation
+ * is guaranteed to run with a deterministic value, the request
+ * will ensure the vCPU gets the correct state before VM-Entry.
+ */
+ if (enable_apicv) {
vcpu->arch.apicv_active = true;
+ kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
+ }
} else
static_branch_inc(&kvm_has_noapic_vcpu);

diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index 45cc0ae0af6f..c7b9f12896f2 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -29,7 +29,7 @@
.if XTENSA_HAVE_COPROCESSOR(x); \
.align 4; \
.Lsave_cp_regs_cp##x: \
- xchal_cp##x##_store a2 a4 a5 a6 a7; \
+ xchal_cp##x##_store a2 a3 a4 a5 a6; \
jx a0; \
.endif

@@ -46,7 +46,7 @@
.if XTENSA_HAVE_COPROCESSOR(x); \
.align 4; \
.Lload_cp_regs_cp##x: \
- xchal_cp##x##_load a2 a4 a5 a6 a7; \
+ xchal_cp##x##_load a2 a3 a4 a5 a6; \
jx a0; \
.endif

diff --git a/arch/xtensa/kernel/jump_label.c b/arch/xtensa/kernel/jump_label.c
index 0dde21e0d3de..ad1841cecdfb 100644
--- a/arch/xtensa/kernel/jump_label.c
+++ b/arch/xtensa/kernel/jump_label.c
@@ -40,7 +40,7 @@ static int patch_text_stop_machine(void *data)
{
struct patch *patch = data;

- if (atomic_inc_return(&patch->cpu_count) == 1) {
+ if (atomic_inc_return(&patch->cpu_count) == num_online_cpus()) {
local_patch_text(patch->addr, patch->data, patch->sz);
atomic_inc(&patch->cpu_count);
} else {
diff --git a/block/ioctl.c b/block/ioctl.c
index 4a86340133e4..f8703db99c73 100644
--- a/block/ioctl.c
+++ b/block/ioctl.c
@@ -629,7 +629,7 @@ long compat_blkdev_ioctl(struct file *file, unsigned cmd, unsigned long arg)
return compat_put_long(argp,
(bdev->bd_disk->bdi->ra_pages * PAGE_SIZE) / 512);
case BLKGETSIZE:
- if (bdev_nr_sectors(bdev) > ~0UL)
+ if (bdev_nr_sectors(bdev) > ~(compat_ulong_t)0)
return -EFBIG;
return compat_put_ulong(argp, bdev_nr_sectors(bdev));

diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index 0c5a51970fbf..014ccb0f45dc 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -77,6 +77,8 @@ static int marvell_cable_detect(struct ata_port *ap)
switch(ap->port_no)
{
case 0:
+ if (!ap->ioaddr.bmdma_addr)
+ return ATA_CBL_PATA_UNK;
if (ioread8(ap->ioaddr.bmdma_addr + 1) & 1)
return ATA_CBL_PATA40;
return ATA_CBL_PATA80;
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 1476156af74b..def564d1e8fa 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1453,7 +1453,7 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
{
struct at_xdmac_chan *atchan = to_at_xdmac_chan(chan);
struct at_xdmac *atxdmac = to_at_xdmac(atchan->chan.device);
- struct at_xdmac_desc *desc, *_desc;
+ struct at_xdmac_desc *desc, *_desc, *iter;
struct list_head *descs_list;
enum dma_status ret;
int residue, retry;
@@ -1568,11 +1568,13 @@ at_xdmac_tx_status(struct dma_chan *chan, dma_cookie_t cookie,
* microblock.
*/
descs_list = &desc->descs_list;
- list_for_each_entry_safe(desc, _desc, descs_list, desc_node) {
- dwidth = at_xdmac_get_dwidth(desc->lld.mbr_cfg);
- residue -= (desc->lld.mbr_ubc & 0xffffff) << dwidth;
- if ((desc->lld.mbr_nda & 0xfffffffc) == cur_nda)
+ list_for_each_entry_safe(iter, _desc, descs_list, desc_node) {
+ dwidth = at_xdmac_get_dwidth(iter->lld.mbr_cfg);
+ residue -= (iter->lld.mbr_ubc & 0xffffff) << dwidth;
+ if ((iter->lld.mbr_nda & 0xfffffffc) == cur_nda) {
+ desc = iter;
break;
+ }
}
residue += cur_ubc << dwidth;

diff --git a/drivers/dma/dw-edma/dw-edma-v0-core.c b/drivers/dma/dw-edma/dw-edma-v0-core.c
index 329fc2e57b70..b5b8f8181e77 100644
--- a/drivers/dma/dw-edma/dw-edma-v0-core.c
+++ b/drivers/dma/dw-edma/dw-edma-v0-core.c
@@ -415,8 +415,11 @@ void dw_edma_v0_core_start(struct dw_edma_chunk *chunk, bool first)
(DW_EDMA_V0_CCS | DW_EDMA_V0_LLE));
/* Linked list */
#ifdef CONFIG_64BIT
- SET_CH_64(dw, chan->dir, chan->id, llp.reg,
- chunk->ll_region.paddr);
+ /* llp is not aligned on 64bit -> keep 32bit accesses */
+ SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
+ lower_32_bits(chunk->ll_region.paddr));
+ SET_CH_32(dw, chan->dir, chan->id, llp.msb,
+ upper_32_bits(chunk->ll_region.paddr));
#else /* CONFIG_64BIT */
SET_CH_32(dw, chan->dir, chan->id, llp.lsb,
lower_32_bits(chunk->ll_region.paddr));
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 3061fe857d69..f652da6ab47d 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -373,7 +373,6 @@ static void idxd_wq_device_reset_cleanup(struct idxd_wq *wq)
{
lockdep_assert_held(&wq->wq_lock);

- idxd_wq_disable_cleanup(wq);
wq->size = 0;
wq->group = NULL;
}
@@ -701,14 +700,17 @@ static void idxd_device_wqs_clear_state(struct idxd_device *idxd)

if (wq->state == IDXD_WQ_ENABLED) {
idxd_wq_disable_cleanup(wq);
- idxd_wq_device_reset_cleanup(wq);
wq->state = IDXD_WQ_DISABLED;
}
+ idxd_wq_device_reset_cleanup(wq);
}
}

void idxd_device_clear_state(struct idxd_device *idxd)
{
+ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+ return;
+
idxd_groups_clear_state(idxd);
idxd_engines_clear_state(idxd);
idxd_device_wqs_clear_state(idxd);
diff --git a/drivers/dma/idxd/submit.c b/drivers/dma/idxd/submit.c
index e289fd48711a..c01db23e3333 100644
--- a/drivers/dma/idxd/submit.c
+++ b/drivers/dma/idxd/submit.c
@@ -150,14 +150,15 @@ static void llist_abort_desc(struct idxd_wq *wq, struct idxd_irq_entry *ie,
*/
int idxd_enqcmds(struct idxd_wq *wq, void __iomem *portal, const void *desc)
{
- int rc, retries = 0;
+ unsigned int retries = wq->enqcmds_retries;
+ int rc;

do {
rc = enqcmds(portal, desc);
if (rc == 0)
break;
cpu_relax();
- } while (retries++ < wq->enqcmds_retries);
+ } while (retries--);

return rc;
}
diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c
index 7e19ab92b61a..dfd549685c46 100644
--- a/drivers/dma/idxd/sysfs.c
+++ b/drivers/dma/idxd/sysfs.c
@@ -905,6 +905,9 @@ static ssize_t wq_max_transfer_size_store(struct device *dev, struct device_attr
u64 xfer_size;
int rc;

+ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+ return -EPERM;
+
if (wq->state != IDXD_WQ_DISABLED)
return -EPERM;

@@ -939,6 +942,9 @@ static ssize_t wq_max_batch_size_store(struct device *dev, struct device_attribu
u64 batch_size;
int rc;

+ if (!test_bit(IDXD_FLAG_CONFIGURABLE, &idxd->flags))
+ return -EPERM;
+
if (wq->state != IDXD_WQ_DISABLED)
return -EPERM;

diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 75ec0754d4ad..b1e6173fcc27 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -198,12 +198,12 @@ struct sdma_script_start_addrs {
s32 per_2_firi_addr;
s32 mcu_2_firi_addr;
s32 uart_2_per_addr;
- s32 uart_2_mcu_ram_addr;
+ s32 uart_2_mcu_addr;
s32 per_2_app_addr;
s32 mcu_2_app_addr;
s32 per_2_per_addr;
s32 uartsh_2_per_addr;
- s32 uartsh_2_mcu_ram_addr;
+ s32 uartsh_2_mcu_addr;
s32 per_2_shp_addr;
s32 mcu_2_shp_addr;
s32 ata_2_mcu_addr;
@@ -232,8 +232,8 @@ struct sdma_script_start_addrs {
s32 mcu_2_ecspi_addr;
s32 mcu_2_sai_addr;
s32 sai_2_mcu_addr;
- s32 uart_2_mcu_addr;
- s32 uartsh_2_mcu_addr;
+ s32 uart_2_mcu_rom_addr;
+ s32 uartsh_2_mcu_rom_addr;
/* End of v3 array */
s32 mcu_2_zqspi_addr;
/* End of v4 array */
@@ -1780,17 +1780,17 @@ static void sdma_add_scripts(struct sdma_engine *sdma,
saddr_arr[i] = addr_arr[i];

/*
- * get uart_2_mcu_addr/uartsh_2_mcu_addr rom script specially because
- * they are now replaced by uart_2_mcu_ram_addr/uartsh_2_mcu_ram_addr
- * to be compatible with legacy freescale/nxp sdma firmware, and they
- * are located in the bottom part of sdma_script_start_addrs which are
- * beyond the SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1.
+ * For compatibility with NXP internal legacy kernel before 4.19 which
+ * is based on uart ram script and mainline kernel based on uart rom
+ * script, both uart ram/rom scripts are present in newer sdma
+ * firmware. Use the rom versions if they are present (V3 or newer).
*/
- if (addr->uart_2_mcu_addr)
- sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_addr;
- if (addr->uartsh_2_mcu_addr)
- sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_addr;
-
+ if (sdma->script_number >= SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V3) {
+ if (addr->uart_2_mcu_rom_addr)
+ sdma->script_addrs->uart_2_mcu_addr = addr->uart_2_mcu_rom_addr;
+ if (addr->uartsh_2_mcu_rom_addr)
+ sdma->script_addrs->uartsh_2_mcu_addr = addr->uartsh_2_mcu_rom_addr;
+ }
}

static void sdma_load_firmware(const struct firmware *fw, void *context)
@@ -1869,7 +1869,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
u32 reg, val, shift, num_map, i;
int ret = 0;

- if (IS_ERR(np) || IS_ERR(gpr_np))
+ if (IS_ERR(np) || !gpr_np)
goto out;

event_remap = of_find_property(np, propname, NULL);
@@ -1917,7 +1917,7 @@ static int sdma_event_remap(struct sdma_engine *sdma)
}

out:
- if (!IS_ERR(gpr_np))
+ if (gpr_np)
of_node_put(gpr_np);

return ret;
diff --git a/drivers/dma/mediatek/mtk-uart-apdma.c b/drivers/dma/mediatek/mtk-uart-apdma.c
index 375e7e647df6..a1517ef1f4a0 100644
--- a/drivers/dma/mediatek/mtk-uart-apdma.c
+++ b/drivers/dma/mediatek/mtk-uart-apdma.c
@@ -274,7 +274,7 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
unsigned int status;
int ret;

- ret = pm_runtime_get_sync(mtkd->ddev.dev);
+ ret = pm_runtime_resume_and_get(mtkd->ddev.dev);
if (ret < 0) {
pm_runtime_put_noidle(chan->device->dev);
return ret;
@@ -288,18 +288,21 @@ static int mtk_uart_apdma_alloc_chan_resources(struct dma_chan *chan)
ret = readx_poll_timeout(readl, c->base + VFF_EN,
status, !status, 10, 100);
if (ret)
- return ret;
+ goto err_pm;

ret = request_irq(c->irq, mtk_uart_apdma_irq_handler,
IRQF_TRIGGER_NONE, KBUILD_MODNAME, chan);
if (ret < 0) {
dev_err(chan->device->dev, "Can't request dma IRQ\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto err_pm;
}

if (mtkd->support_33bits)
mtk_uart_apdma_write(c, VFF_4G_SUPPORT, VFF_4G_SUPPORT_CLR_B);

+err_pm:
+ pm_runtime_put_noidle(mtkd->ddev.dev);
return ret;
}

diff --git a/drivers/edac/synopsys_edac.c b/drivers/edac/synopsys_edac.c
index f05ff02c0656..40b1abeca856 100644
--- a/drivers/edac/synopsys_edac.c
+++ b/drivers/edac/synopsys_edac.c
@@ -164,6 +164,11 @@
#define ECC_STAT_CECNT_SHIFT 8
#define ECC_STAT_BITNUM_MASK 0x7F

+/* ECC error count register definitions */
+#define ECC_ERRCNT_UECNT_MASK 0xFFFF0000
+#define ECC_ERRCNT_UECNT_SHIFT 16
+#define ECC_ERRCNT_CECNT_MASK 0xFFFF
+
/* DDR QOS Interrupt register definitions */
#define DDR_QOS_IRQ_STAT_OFST 0x20200
#define DDR_QOSUE_MASK 0x4
@@ -423,15 +428,16 @@ static int zynqmp_get_error_info(struct synps_edac_priv *priv)
base = priv->baseaddr;
p = &priv->stat;

+ regval = readl(base + ECC_ERRCNT_OFST);
+ p->ce_cnt = regval & ECC_ERRCNT_CECNT_MASK;
+ p->ue_cnt = (regval & ECC_ERRCNT_UECNT_MASK) >> ECC_ERRCNT_UECNT_SHIFT;
+ if (!p->ce_cnt)
+ goto ue_err;
+
regval = readl(base + ECC_STAT_OFST);
if (!regval)
return 1;

- p->ce_cnt = (regval & ECC_STAT_CECNT_MASK) >> ECC_STAT_CECNT_SHIFT;
- p->ue_cnt = (regval & ECC_STAT_UECNT_MASK) >> ECC_STAT_UECNT_SHIFT;
- if (!p->ce_cnt)
- goto ue_err;
-
p->ceinfo.bitpos = (regval & ECC_STAT_BITNUM_MASK);

regval = readl(base + ECC_CEADDR0_OFST);
diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c
index e48108e694f8..7dad6f57d970 100644
--- a/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@ -955,8 +955,7 @@ static int cs_dsp_create_control(struct cs_dsp *dsp,
ctl->alg_region = *alg_region;
if (subname && dsp->fw_ver >= 2) {
ctl->subname_len = subname_len;
- ctl->subname = kmemdup(subname,
- strlen(subname) + 1, GFP_KERNEL);
+ ctl->subname = kasprintf(GFP_KERNEL, "%.*s", subname_len, subname);
if (!ctl->subname) {
ret = -ENOMEM;
goto err_ctl;
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 344e376b2ee9..d5a5cf269102 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1601,8 +1601,6 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,

gpiochip_set_irq_hooks(gc);

- acpi_gpiochip_request_interrupts(gc);
-
/*
* Using barrier() here to prevent compiler from reordering
* gc->irq.initialized before initialization of above
@@ -1612,6 +1610,8 @@ static int gpiochip_add_irqchip(struct gpio_chip *gc,

gc->irq.initialized = true;

+ acpi_gpiochip_request_interrupts(gc);
+
return 0;
}

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
index 87ed48d5530d..8bd265b40847 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_psr.c
@@ -138,6 +138,10 @@ static bool dmub_psr_set_version(struct dmub_psr *dmub, struct dc_stream_state *
cmd.psr_set_version.psr_set_version_data.version = PSR_VERSION_UNSUPPORTED;
break;
}
+
+ if (cmd.psr_set_version.psr_set_version_data.version == PSR_VERSION_UNSUPPORTED)
+ return false;
+
cmd.psr_set_version.psr_set_version_data.cmd_version = DMUB_CMD_PSR_CONTROL_VERSION_1;
cmd.psr_set_version.psr_set_version_data.panel_inst = panel_inst;
cmd.psr_set_version.header.payload_bytes = sizeof(struct dmub_cmd_psr_set_version_data);
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index b00de57cc957..cd32e1470b3c 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -887,6 +887,20 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
return false;
}

+ /* Wa_16011303918:adl-p */
+ if (crtc_state->vrr.enable &&
+ IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
+ drm_dbg_kms(&dev_priv->drm,
+ "PSR2 not enabled, not compatible with HW stepping + VRR\n");
+ return false;
+ }
+
+ if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
+ drm_dbg_kms(&dev_priv->drm,
+ "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
+ return false;
+ }
+
if (HAS_PSR2_SEL_FETCH(dev_priv)) {
if (!intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) &&
!HAS_PSR_HW_TRACKING(dev_priv)) {
@@ -900,12 +914,12 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
if (!crtc_state->enable_psr2_sel_fetch &&
IS_TGL_DISPLAY_STEP(dev_priv, STEP_A0, STEP_C0)) {
drm_dbg_kms(&dev_priv->drm, "PSR2 HW tracking is not supported this Display stepping\n");
- return false;
+ goto unsupported;
}

if (!psr2_granularity_check(intel_dp, crtc_state)) {
drm_dbg_kms(&dev_priv->drm, "PSR2 not enabled, SU granularity not compatible\n");
- return false;
+ goto unsupported;
}

if (!crtc_state->enable_psr2_sel_fetch &&
@@ -914,25 +928,15 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp,
"PSR2 not enabled, resolution %dx%d > max supported %dx%d\n",
crtc_hdisplay, crtc_vdisplay,
psr_max_h, psr_max_v);
- return false;
- }
-
- if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) {
- drm_dbg_kms(&dev_priv->drm,
- "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n");
- return false;
- }
-
- /* Wa_16011303918:adl-p */
- if (crtc_state->vrr.enable &&
- IS_ADLP_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) {
- drm_dbg_kms(&dev_priv->drm,
- "PSR2 not enabled, not compatible with HW stepping + VRR\n");
- return false;
+ goto unsupported;
}

tgl_dc3co_exitline_compute_config(intel_dp, crtc_state);
return true;
+
+unsupported:
+ crtc_state->enable_psr2_sel_fetch = false;
+ return false;
}

void intel_psr_compute_config(struct intel_dp *intel_dp,
diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
index fb261930ad1c..e8a8240a6868 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_device.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
@@ -601,29 +601,20 @@ static const struct of_device_id dt_match[] = {
};

#ifdef CONFIG_PM
-static int adreno_resume(struct device *dev)
+static int adreno_runtime_resume(struct device *dev)
{
struct msm_gpu *gpu = dev_to_gpu(dev);

return gpu->funcs->pm_resume(gpu);
}

-static int active_submits(struct msm_gpu *gpu)
-{
- int active_submits;
- mutex_lock(&gpu->active_lock);
- active_submits = gpu->active_submits;
- mutex_unlock(&gpu->active_lock);
- return active_submits;
-}
-
-static int adreno_suspend(struct device *dev)
+static int adreno_runtime_suspend(struct device *dev)
{
struct msm_gpu *gpu = dev_to_gpu(dev);
int remaining;

remaining = wait_event_timeout(gpu->retire_event,
- active_submits(gpu) == 0,
+ gpu->active_submits == 0,
msecs_to_jiffies(1000));
if (remaining == 0) {
dev_err(dev, "Timeout waiting for GPU to suspend\n");
@@ -636,7 +627,7 @@ static int adreno_suspend(struct device *dev)

static const struct dev_pm_ops adreno_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
- SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL)
+ SET_RUNTIME_PM_OPS(adreno_runtime_suspend, adreno_runtime_resume, NULL)
};

static struct platform_driver adreno_driver = {
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
index c6b69afcbac8..50e854207c70 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_plane.c
@@ -90,7 +90,10 @@ static void mdp5_plane_reset(struct drm_plane *plane)
__drm_atomic_helper_plane_destroy_state(plane->state);

kfree(to_mdp5_plane_state(plane->state));
+ plane->state = NULL;
mdp5_state = kzalloc(sizeof(*mdp5_state), GFP_KERNEL);
+ if (!mdp5_state)
+ return;

if (plane->type == DRM_PLANE_TYPE_PRIMARY)
mdp5_state->base.zpos = STAGE_BASE;
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index 5d2ff6791058..acfe1b31e079 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -176,6 +176,8 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
va_list va;

new_blk = kzalloc(sizeof(struct msm_disp_state_block), GFP_KERNEL);
+ if (!new_blk)
+ return;

va_start(va, fmt);

diff --git a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
index 46029c5610c8..145047e19394 100644
--- a/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
+++ b/drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c
@@ -229,7 +229,7 @@ static void rpi_touchscreen_i2c_write(struct rpi_touchscreen *ts,

ret = i2c_smbus_write_byte_data(ts->i2c, reg, val);
if (ret)
- dev_err(&ts->dsi->dev, "I2C write failed: %d\n", ret);
+ dev_err(&ts->i2c->dev, "I2C write failed: %d\n", ret);
}

static int rpi_touchscreen_write(struct rpi_touchscreen *ts, u16 reg, u32 val)
@@ -265,7 +265,7 @@ static int rpi_touchscreen_noop(struct drm_panel *panel)
return 0;
}

-static int rpi_touchscreen_enable(struct drm_panel *panel)
+static int rpi_touchscreen_prepare(struct drm_panel *panel)
{
struct rpi_touchscreen *ts = panel_to_ts(panel);
int i;
@@ -295,6 +295,13 @@ static int rpi_touchscreen_enable(struct drm_panel *panel)
rpi_touchscreen_write(ts, DSI_STARTDSI, 0x01);
msleep(100);

+ return 0;
+}
+
+static int rpi_touchscreen_enable(struct drm_panel *panel)
+{
+ struct rpi_touchscreen *ts = panel_to_ts(panel);
+
/* Turn on the backlight. */
rpi_touchscreen_i2c_write(ts, REG_PWM, 255);

@@ -349,7 +356,7 @@ static int rpi_touchscreen_get_modes(struct drm_panel *panel,
static const struct drm_panel_funcs rpi_touchscreen_funcs = {
.disable = rpi_touchscreen_disable,
.unprepare = rpi_touchscreen_noop,
- .prepare = rpi_touchscreen_noop,
+ .prepare = rpi_touchscreen_prepare,
.enable = rpi_touchscreen_enable,
.get_modes = rpi_touchscreen_get_modes,
};
diff --git a/drivers/gpu/drm/radeon/radeon_sync.c b/drivers/gpu/drm/radeon/radeon_sync.c
index b991ba1bcd51..f63efd8d5e52 100644
--- a/drivers/gpu/drm/radeon/radeon_sync.c
+++ b/drivers/gpu/drm/radeon/radeon_sync.c
@@ -96,7 +96,7 @@ int radeon_sync_resv(struct radeon_device *rdev,
struct dma_fence *f;
int r = 0;

- dma_resv_for_each_fence(&cursor, resv, shared, f) {
+ dma_resv_for_each_fence(&cursor, resv, !shared, f) {
fence = to_radeon_fence(f);
if (fence && fence->rdev == rdev)
radeon_sync_fence(sync, fence);
diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 9300d3354c51..64dfefeb03f5 100644
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -846,7 +846,7 @@ static void vc4_dsi_encoder_enable(struct drm_encoder *encoder)
unsigned long phy_clock;
int ret;

- ret = pm_runtime_get_sync(dev);
+ ret = pm_runtime_resume_and_get(dev);
if (ret) {
DRM_ERROR("Failed to runtime PM enable on DSI%d\n", dsi->variant->port);
return;
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
index 31aecc46624b..04c8a378aeed 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_bo.c
@@ -46,6 +46,21 @@ vmw_buffer_object(struct ttm_buffer_object *bo)
return container_of(bo, struct vmw_buffer_object, base);
}

+/**
+ * bo_is_vmw - check if the buffer object is a &vmw_buffer_object
+ * @bo: ttm buffer object to be checked
+ *
+ * Uses destroy function associated with the object to determine if this is
+ * a &vmw_buffer_object.
+ *
+ * Returns:
+ * true if the object is of &vmw_buffer_object type, false if not.
+ */
+static bool bo_is_vmw(struct ttm_buffer_object *bo)
+{
+ return bo->destroy == &vmw_bo_bo_free ||
+ bo->destroy == &vmw_gem_destroy;
+}

/**
* vmw_bo_pin_in_placement - Validate a buffer to placement.
@@ -615,8 +630,9 @@ int vmw_user_bo_synccpu_ioctl(struct drm_device *dev, void *data,

ret = vmw_user_bo_synccpu_grab(vbo, arg->flags);
vmw_bo_unreference(&vbo);
- if (unlikely(ret != 0 && ret != -ERESTARTSYS &&
- ret != -EBUSY)) {
+ if (unlikely(ret != 0)) {
+ if (ret == -ERESTARTSYS || ret == -EBUSY)
+ return -EBUSY;
DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n",
(unsigned int) arg->handle);
return ret;
@@ -798,7 +814,7 @@ int vmw_dumb_create(struct drm_file *file_priv,
void vmw_bo_swap_notify(struct ttm_buffer_object *bo)
{
/* Is @bo embedded in a struct vmw_buffer_object? */
- if (vmw_bo_is_vmw_bo(bo))
+ if (!bo_is_vmw(bo))
return;

/* Kill any cached kernel maps before swapout */
@@ -822,7 +838,7 @@ void vmw_bo_move_notify(struct ttm_buffer_object *bo,
struct vmw_buffer_object *vbo;

/* Make sure @bo is embedded in a struct vmw_buffer_object? */
- if (vmw_bo_is_vmw_bo(bo))
+ if (!bo_is_vmw(bo))
return;

vbo = container_of(bo, struct vmw_buffer_object, base);
@@ -843,22 +859,3 @@ void vmw_bo_move_notify(struct ttm_buffer_object *bo,
if (mem->mem_type != VMW_PL_MOB && bo->resource->mem_type == VMW_PL_MOB)
vmw_resource_unbind_list(vbo);
}
-
-/**
- * vmw_bo_is_vmw_bo - check if the buffer object is a &vmw_buffer_object
- * @bo: buffer object to be checked
- *
- * Uses destroy function associated with the object to determine if this is
- * a &vmw_buffer_object.
- *
- * Returns:
- * true if the object is of &vmw_buffer_object type, false if not.
- */
-bool vmw_bo_is_vmw_bo(struct ttm_buffer_object *bo)
-{
- if (bo->destroy == &vmw_bo_bo_free ||
- bo->destroy == &vmw_gem_destroy)
- return true;
-
- return false;
-}
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index fe36efdb7ff5..f685d426af7e 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -997,13 +997,10 @@ static int vmw_driver_load(struct vmw_private *dev_priv, u32 pci_id)
goto out_no_fman;
}

- drm_vma_offset_manager_init(&dev_priv->vma_manager,
- DRM_FILE_PAGE_OFFSET_START,
- DRM_FILE_PAGE_OFFSET_SIZE);
ret = ttm_device_init(&dev_priv->bdev, &vmw_bo_driver,
dev_priv->drm.dev,
dev_priv->drm.anon_inode->i_mapping,
- &dev_priv->vma_manager,
+ dev_priv->drm.vma_offset_manager,
dev_priv->map_mode == vmw_dma_alloc_coherent,
false);
if (unlikely(ret != 0)) {
@@ -1173,7 +1170,6 @@ static void vmw_driver_unload(struct drm_device *dev)
vmw_devcaps_destroy(dev_priv);
vmw_vram_manager_fini(dev_priv);
ttm_device_fini(&dev_priv->bdev);
- drm_vma_offset_manager_destroy(&dev_priv->vma_manager);
vmw_release_device_late(dev_priv);
vmw_fence_manager_takedown(dev_priv->fman);
if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
@@ -1397,7 +1393,7 @@ vmw_get_unmapped_area(struct file *file, unsigned long uaddr,
struct vmw_private *dev_priv = vmw_priv(file_priv->minor->dev);

return drm_get_unmapped_area(file, uaddr, len, pgoff, flags,
- &dev_priv->vma_manager);
+ dev_priv->drm.vma_offset_manager);
}

static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
index 00e8e27e4884..ace7ca150b03 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c
@@ -683,6 +683,9 @@ static void vmw_user_surface_base_release(struct ttm_base_object **p_base)
container_of(base, struct vmw_user_surface, prime.base);
struct vmw_resource *res = &user_srf->srf.res;

+ if (base->shareable && res && res->backup)
+ drm_gem_object_put(&res->backup->base.base);
+
*p_base = NULL;
vmw_resource_unreference(&res);
}
@@ -857,6 +860,7 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data,
goto out_unlock;
}
vmw_bo_reference(res->backup);
+ drm_gem_object_get(&res->backup->base.base);
}

tmp = vmw_resource_reference(&srf->res);
@@ -1513,7 +1517,6 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
&res->backup);
if (ret == 0)
vmw_bo_reference(res->backup);
-
}

if (unlikely(ret != 0)) {
@@ -1561,6 +1564,8 @@ vmw_gb_surface_define_internal(struct drm_device *dev,
drm_vma_node_offset_addr(&res->backup->base.base.vma_node);
rep->buffer_size = res->backup->base.base.size;
rep->buffer_handle = backup_handle;
+ if (user_srf->prime.base.shareable)
+ drm_gem_object_get(&res->backup->base.base);
} else {
rep->buffer_map_handle = 0;
rep->buffer_size = 0;
diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c
index 43375b38ee59..8a7ce41b8c56 100644
--- a/drivers/input/keyboard/omap4-keypad.c
+++ b/drivers/input/keyboard/omap4-keypad.c
@@ -393,7 +393,7 @@ static int omap4_keypad_probe(struct platform_device *pdev)
* revision register.
*/
error = pm_runtime_get_sync(dev);
- if (error) {
+ if (error < 0) {
dev_err(dev, "pm_runtime_get_sync() failed\n");
pm_runtime_put_noidle(dev);
return error;
diff --git a/drivers/net/ethernet/Kconfig b/drivers/net/ethernet/Kconfig
index db3ec4768159..7a730c9d4bdf 100644
--- a/drivers/net/ethernet/Kconfig
+++ b/drivers/net/ethernet/Kconfig
@@ -35,15 +35,6 @@ source "drivers/net/ethernet/aquantia/Kconfig"
source "drivers/net/ethernet/arc/Kconfig"
source "drivers/net/ethernet/asix/Kconfig"
source "drivers/net/ethernet/atheros/Kconfig"
-source "drivers/net/ethernet/broadcom/Kconfig"
-source "drivers/net/ethernet/brocade/Kconfig"
-source "drivers/net/ethernet/cadence/Kconfig"
-source "drivers/net/ethernet/calxeda/Kconfig"
-source "drivers/net/ethernet/cavium/Kconfig"
-source "drivers/net/ethernet/chelsio/Kconfig"
-source "drivers/net/ethernet/cirrus/Kconfig"
-source "drivers/net/ethernet/cisco/Kconfig"
-source "drivers/net/ethernet/cortina/Kconfig"

config CX_ECAT
tristate "Beckhoff CX5020 EtherCAT master support"
@@ -57,6 +48,14 @@ config CX_ECAT
To compile this driver as a module, choose M here. The module
will be called ec_bhf.

+source "drivers/net/ethernet/broadcom/Kconfig"
+source "drivers/net/ethernet/cadence/Kconfig"
+source "drivers/net/ethernet/calxeda/Kconfig"
+source "drivers/net/ethernet/cavium/Kconfig"
+source "drivers/net/ethernet/chelsio/Kconfig"
+source "drivers/net/ethernet/cirrus/Kconfig"
+source "drivers/net/ethernet/cisco/Kconfig"
+source "drivers/net/ethernet/cortina/Kconfig"
source "drivers/net/ethernet/davicom/Kconfig"

config DNET
@@ -84,7 +83,6 @@ source "drivers/net/ethernet/huawei/Kconfig"
source "drivers/net/ethernet/i825xx/Kconfig"
source "drivers/net/ethernet/ibm/Kconfig"
source "drivers/net/ethernet/intel/Kconfig"
-source "drivers/net/ethernet/microsoft/Kconfig"
source "drivers/net/ethernet/xscale/Kconfig"

config JME
@@ -127,8 +125,9 @@ source "drivers/net/ethernet/mediatek/Kconfig"
source "drivers/net/ethernet/mellanox/Kconfig"
source "drivers/net/ethernet/micrel/Kconfig"
source "drivers/net/ethernet/microchip/Kconfig"
-source "drivers/net/ethernet/moxa/Kconfig"
source "drivers/net/ethernet/mscc/Kconfig"
+source "drivers/net/ethernet/microsoft/Kconfig"
+source "drivers/net/ethernet/moxa/Kconfig"
source "drivers/net/ethernet/myricom/Kconfig"

config FEALNX
@@ -140,10 +139,10 @@ config FEALNX
Say Y here to support the Myson MTD-800 family of PCI-based Ethernet
cards. <http://www.myson.com.tw/>

+source "drivers/net/ethernet/ni/Kconfig"
source "drivers/net/ethernet/natsemi/Kconfig"
source "drivers/net/ethernet/neterion/Kconfig"
source "drivers/net/ethernet/netronome/Kconfig"
-source "drivers/net/ethernet/ni/Kconfig"
source "drivers/net/ethernet/8390/Kconfig"
source "drivers/net/ethernet/nvidia/Kconfig"
source "drivers/net/ethernet/nxp/Kconfig"
@@ -163,6 +162,7 @@ source "drivers/net/ethernet/packetengines/Kconfig"
source "drivers/net/ethernet/pasemi/Kconfig"
source "drivers/net/ethernet/pensando/Kconfig"
source "drivers/net/ethernet/qlogic/Kconfig"
+source "drivers/net/ethernet/brocade/Kconfig"
source "drivers/net/ethernet/qualcomm/Kconfig"
source "drivers/net/ethernet/rdc/Kconfig"
source "drivers/net/ethernet/realtek/Kconfig"
@@ -170,10 +170,10 @@ source "drivers/net/ethernet/renesas/Kconfig"
source "drivers/net/ethernet/rocker/Kconfig"
source "drivers/net/ethernet/samsung/Kconfig"
source "drivers/net/ethernet/seeq/Kconfig"
-source "drivers/net/ethernet/sfc/Kconfig"
source "drivers/net/ethernet/sgi/Kconfig"
source "drivers/net/ethernet/silan/Kconfig"
source "drivers/net/ethernet/sis/Kconfig"
+source "drivers/net/ethernet/sfc/Kconfig"
source "drivers/net/ethernet/smsc/Kconfig"
source "drivers/net/ethernet/socionext/Kconfig"
source "drivers/net/ethernet/stmicro/Kconfig"
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
index 33f1a1377588..24d715c28a35 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c
@@ -486,8 +486,8 @@ int aq_nic_start(struct aq_nic_s *self)
if (err < 0)
goto err_exit;

- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
+ for (i = 0U; self->aq_vecs > i; ++i) {
+ aq_vec = self->aq_vec[i];
err = aq_vec_start(aq_vec);
if (err < 0)
goto err_exit;
@@ -517,8 +517,8 @@ int aq_nic_start(struct aq_nic_s *self)
mod_timer(&self->polling_timer, jiffies +
AQ_CFG_POLLING_TIMER_INTERVAL);
} else {
- for (i = 0U, aq_vec = self->aq_vec[0];
- self->aq_vecs > i; ++i, aq_vec = self->aq_vec[i]) {
+ for (i = 0U; self->aq_vecs > i; ++i) {
+ aq_vec = self->aq_vec[i];
err = aq_pci_func_alloc_irq(self, i, self->ndev->name,
aq_vec_isr, aq_vec,
aq_vec_get_affinity_mask(aq_vec));
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 797a95142d1f..3a529ee8c834 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -444,22 +444,22 @@ static int atl_resume_common(struct device *dev, bool deep)

static int aq_pm_freeze(struct device *dev)
{
- return aq_suspend_common(dev, false);
+ return aq_suspend_common(dev, true);
}

static int aq_pm_suspend_poweroff(struct device *dev)
{
- return aq_suspend_common(dev, true);
+ return aq_suspend_common(dev, false);
}

static int aq_pm_thaw(struct device *dev)
{
- return atl_resume_common(dev, false);
+ return atl_resume_common(dev, true);
}

static int aq_pm_resume_restore(struct device *dev)
{
- return atl_resume_common(dev, true);
+ return atl_resume_common(dev, false);
}

static const struct dev_pm_ops aq_pm_ops = {
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
index f4774cf051c9..6ab1f3212d24 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_vec.c
@@ -43,8 +43,8 @@ static int aq_vec_poll(struct napi_struct *napi, int budget)
if (!self) {
err = -EINVAL;
} else {
- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
u64_stats_update_begin(&ring[AQ_VEC_RX_ID].stats.rx.syncp);
ring[AQ_VEC_RX_ID].stats.rx.polls++;
u64_stats_update_end(&ring[AQ_VEC_RX_ID].stats.rx.syncp);
@@ -182,8 +182,8 @@ int aq_vec_init(struct aq_vec_s *self, const struct aq_hw_ops *aq_hw_ops,
self->aq_hw_ops = aq_hw_ops;
self->aq_hw = aq_hw;

- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
err = aq_ring_init(&ring[AQ_VEC_TX_ID], ATL_RING_TX);
if (err < 0)
goto err_exit;
@@ -224,8 +224,8 @@ int aq_vec_start(struct aq_vec_s *self)
unsigned int i = 0U;
int err = 0;

- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
err = self->aq_hw_ops->hw_ring_tx_start(self->aq_hw,
&ring[AQ_VEC_TX_ID]);
if (err < 0)
@@ -248,8 +248,8 @@ void aq_vec_stop(struct aq_vec_s *self)
struct aq_ring_s *ring = NULL;
unsigned int i = 0U;

- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
self->aq_hw_ops->hw_ring_tx_stop(self->aq_hw,
&ring[AQ_VEC_TX_ID]);

@@ -268,8 +268,8 @@ void aq_vec_deinit(struct aq_vec_s *self)
if (!self)
goto err_exit;

- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
aq_ring_tx_clean(&ring[AQ_VEC_TX_ID]);
aq_ring_rx_deinit(&ring[AQ_VEC_RX_ID]);
}
@@ -297,8 +297,8 @@ void aq_vec_ring_free(struct aq_vec_s *self)
if (!self)
goto err_exit;

- for (i = 0U, ring = self->ring[0];
- self->tx_rings > i; ++i, ring = self->ring[i]) {
+ for (i = 0U; self->tx_rings > i; ++i) {
+ ring = self->ring[i];
aq_ring_free(&ring[AQ_VEC_TX_ID]);
if (i < self->rx_rings)
aq_ring_free(&ring[AQ_VEC_RX_ID]);
diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c
index d13f06cf0308..c4f4b13ac469 100644
--- a/drivers/net/ethernet/cadence/macb_main.c
+++ b/drivers/net/ethernet/cadence/macb_main.c
@@ -1656,6 +1656,7 @@ static void macb_tx_restart(struct macb_queue *queue)
unsigned int head = queue->tx_head;
unsigned int tail = queue->tx_tail;
struct macb *bp = queue->bp;
+ unsigned int head_idx, tbqp;

if (bp->caps & MACB_CAPS_ISR_CLEAR_ON_WRITE)
queue_writel(queue, ISR, MACB_BIT(TXUBR));
@@ -1663,6 +1664,13 @@ static void macb_tx_restart(struct macb_queue *queue)
if (head == tail)
return;

+ tbqp = queue_readl(queue, TBQP) / macb_dma_desc_get_size(bp);
+ tbqp = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, tbqp));
+ head_idx = macb_adj_dma_desc_idx(bp, macb_tx_ring_wrap(bp, head));
+
+ if (tbqp == head_idx)
+ return;
+
macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TSTART));
}

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
index 763d2c7b5fb1..5750f9a56393 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_ethtool.c
@@ -489,11 +489,15 @@ static int dpaa_get_ts_info(struct net_device *net_dev,
info->phc_index = -1;

fman_node = of_get_parent(mac_node);
- if (fman_node)
+ if (fman_node) {
ptp_node = of_parse_phandle(fman_node, "ptimer-handle", 0);
+ of_node_put(fman_node);
+ }

- if (ptp_node)
+ if (ptp_node) {
ptp_dev = of_find_device_by_node(ptp_node);
+ of_node_put(ptp_node);
+ }

if (ptp_dev)
ptp = platform_get_drvdata(ptp_dev);
diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c
index d60e2016d03c..e6c8e6d5234f 100644
--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c
+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c
@@ -1009,8 +1009,8 @@ static s32 e1000_platform_pm_pch_lpt(struct e1000_hw *hw, bool link)
{
u32 reg = link << (E1000_LTRV_REQ_SHIFT + E1000_LTRV_NOSNOOP_SHIFT) |
link << E1000_LTRV_REQ_SHIFT | E1000_LTRV_SEND;
- u16 max_ltr_enc_d = 0; /* maximum LTR decoded by platform */
- u16 lat_enc_d = 0; /* latency decoded */
+ u32 max_ltr_enc_d = 0; /* maximum LTR decoded by platform */
+ u32 lat_enc_d = 0; /* latency decoded */
u16 lat_enc = 0; /* latency encoded */

if (link) {
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c
index 73edc24d81d5..c54b72f9fd34 100644
--- a/drivers/net/ethernet/intel/ice/ice_eswitch.c
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c
@@ -342,7 +342,8 @@ ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev)
np = netdev_priv(netdev);
vsi = np->vsi;

- if (ice_is_reset_in_progress(vsi->back->state))
+ if (ice_is_reset_in_progress(vsi->back->state) ||
+ test_bit(ICE_VF_DIS, vsi->back->state))
return NETDEV_TX_BUSY;

repr = ice_netdev_to_repr(netdev);
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.h b/drivers/net/ethernet/intel/ice/ice_eswitch.h
index bd58d9d2e565..6a413331572b 100644
--- a/drivers/net/ethernet/intel/ice/ice_eswitch.h
+++ b/drivers/net/ethernet/intel/ice/ice_eswitch.h
@@ -52,7 +52,7 @@ static inline void ice_eswitch_update_repr(struct ice_vsi *vsi) { }

static inline int ice_eswitch_configure(struct ice_pf *pf)
{
- return -EOPNOTSUPP;
+ return 0;
}

static inline int ice_eswitch_rebuild(struct ice_pf *pf)
diff --git a/drivers/net/ethernet/intel/ice/ice_nvm.c b/drivers/net/ethernet/intel/ice/ice_nvm.c
index 4eb0599714f4..13cdb5ea594d 100644
--- a/drivers/net/ethernet/intel/ice/ice_nvm.c
+++ b/drivers/net/ethernet/intel/ice/ice_nvm.c
@@ -641,6 +641,7 @@ ice_get_orom_civd_data(struct ice_hw *hw, enum ice_bank_select bank,
status = ice_read_flash_module(hw, bank, ICE_SR_1ST_OROM_BANK_PTR, 0,
orom_data, hw->flash.banks.orom_size);
if (status) {
+ vfree(orom_data);
ice_debug(hw, ICE_DBG_NVM, "Unable to read Option ROM data\n");
return status;
}
diff --git a/drivers/net/ethernet/intel/igc/igc_i225.c b/drivers/net/ethernet/intel/igc/igc_i225.c
index 66ea566488d1..59d5c467ea6e 100644
--- a/drivers/net/ethernet/intel/igc/igc_i225.c
+++ b/drivers/net/ethernet/intel/igc/igc_i225.c
@@ -156,8 +156,15 @@ void igc_release_swfw_sync_i225(struct igc_hw *hw, u16 mask)
{
u32 swfw_sync;

- while (igc_get_hw_semaphore_i225(hw))
- ; /* Empty */
+ /* Releasing the resource requires first getting the HW semaphore.
+ * If we fail to get the semaphore, there is nothing we can do,
+ * except log an error and quit. We are not allowed to hang here
+ * indefinitely, as it may cause denial of service or system crash.
+ */
+ if (igc_get_hw_semaphore_i225(hw)) {
+ hw_dbg("Failed to release SW_FW_SYNC.\n");
+ return;
+ }

swfw_sync = rd32(IGC_SW_FW_SYNC);
swfw_sync &= ~mask;
diff --git a/drivers/net/ethernet/intel/igc/igc_phy.c b/drivers/net/ethernet/intel/igc/igc_phy.c
index 40dbf4b43234..6961f65d36b9 100644
--- a/drivers/net/ethernet/intel/igc/igc_phy.c
+++ b/drivers/net/ethernet/intel/igc/igc_phy.c
@@ -581,7 +581,7 @@ static s32 igc_read_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 *data)
* the lower time out
*/
for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
- usleep_range(500, 1000);
+ udelay(50);
mdic = rd32(IGC_MDIC);
if (mdic & IGC_MDIC_READY)
break;
@@ -638,7 +638,7 @@ static s32 igc_write_phy_reg_mdic(struct igc_hw *hw, u32 offset, u16 data)
* the lower time out
*/
for (i = 0; i < IGC_GEN_POLL_TIMEOUT; i++) {
- usleep_range(500, 1000);
+ udelay(50);
mdic = rd32(IGC_MDIC);
if (mdic & IGC_MDIC_READY)
break;
diff --git a/drivers/net/ethernet/intel/igc/igc_ptp.c b/drivers/net/ethernet/intel/igc/igc_ptp.c
index 0d6e3215e98f..653e9f1e35b5 100644
--- a/drivers/net/ethernet/intel/igc/igc_ptp.c
+++ b/drivers/net/ethernet/intel/igc/igc_ptp.c
@@ -992,6 +992,17 @@ static void igc_ptp_time_restore(struct igc_adapter *adapter)
igc_ptp_write_i225(adapter, &ts);
}

+static void igc_ptm_stop(struct igc_adapter *adapter)
+{
+ struct igc_hw *hw = &adapter->hw;
+ u32 ctrl;
+
+ ctrl = rd32(IGC_PTM_CTRL);
+ ctrl &= ~IGC_PTM_CTRL_EN;
+
+ wr32(IGC_PTM_CTRL, ctrl);
+}
+
/**
* igc_ptp_suspend - Disable PTP work items and prepare for suspend
* @adapter: Board private structure
@@ -1009,8 +1020,10 @@ void igc_ptp_suspend(struct igc_adapter *adapter)
adapter->ptp_tx_skb = NULL;
clear_bit_unlock(__IGC_PTP_TX_IN_PROGRESS, &adapter->state);

- if (pci_device_is_present(adapter->pdev))
+ if (pci_device_is_present(adapter->pdev)) {
igc_ptp_time_save(adapter);
+ igc_ptm_stop(adapter);
+ }
}

/**
diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c
index fd3ceb74620d..a314040c1a6a 100644
--- a/drivers/net/ethernet/mscc/ocelot.c
+++ b/drivers/net/ethernet/mscc/ocelot.c
@@ -2508,6 +2508,8 @@ static void ocelot_port_set_mcast_flood(struct ocelot *ocelot, int port,
val = BIT(port);

ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MC);
+ ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV4);
+ ocelot_rmw_rix(ocelot, val, BIT(port), ANA_PGID_PGID, PGID_MCIPV6);
}

static void ocelot_port_set_bcast_flood(struct ocelot *ocelot, int port,
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
index a7ec9f4d46ce..d68ef72dcdde 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c
@@ -71,9 +71,9 @@ static int init_systime(void __iomem *ioaddr, u32 sec, u32 nsec)
writel(value, ioaddr + PTP_TCR);

/* wait for present system time initialize to complete */
- return readl_poll_timeout(ioaddr + PTP_TCR, value,
+ return readl_poll_timeout_atomic(ioaddr + PTP_TCR, value,
!(value & PTP_TCR_TSINIT),
- 10000, 100000);
+ 10, 100000);
}

static int config_addend(void __iomem *ioaddr, u32 addend)
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index 359d16780dbb..1bf8f7c35b7d 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -712,11 +712,11 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,

rd = kmalloc(sizeof(*rd), GFP_ATOMIC);
if (rd == NULL)
- return -ENOBUFS;
+ return -ENOMEM;

if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
kfree(rd);
- return -ENOBUFS;
+ return -ENOMEM;
}

rd->remote_ip = *ip;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 5d156e591b35..f7961b22e051 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -557,7 +557,7 @@ enum brcmf_sdio_frmtype {
BRCMF_SDIO_FT_SUB,
};

-#define SDIOD_DRVSTR_KEY(chip, pmu) (((chip) << 16) | (pmu))
+#define SDIOD_DRVSTR_KEY(chip, pmu) (((unsigned int)(chip) << 16) | (pmu))

/* SDIO Pad drive strength to select value mappings */
struct sdiod_drive_str {
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
index 8a22ee581674..df85ebc6e1df 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/pci.c
@@ -80,7 +80,7 @@ mt76x2e_probe(struct pci_dev *pdev, const struct pci_device_id *id)
mt76_rmw_field(dev, 0x15a10, 0x1f << 16, 0x9);

/* RG_SSUSB_G1_CDR_BIC_LTR = 0xf */
- mt76_rmw_field(dev, 0x15a0c, 0xf << 28, 0xf);
+ mt76_rmw_field(dev, 0x15a0c, 0xfU << 28, 0xf);

/* RG_SSUSB_CDR_BR_PE1D = 0x3 */
mt76_rmw_field(dev, 0x15c58, 0x3 << 6, 0x3);
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 6215d50ed3e7..10f7c79caac2 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -1363,6 +1363,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
warn_str, cur->nidl);
return -1;
}
+ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+ return NVME_NIDT_EUI64_LEN;
memcpy(ids->eui64, data + sizeof(*cur), NVME_NIDT_EUI64_LEN);
return NVME_NIDT_EUI64_LEN;
case NVME_NIDT_NGUID:
@@ -1371,6 +1373,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
warn_str, cur->nidl);
return -1;
}
+ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+ return NVME_NIDT_NGUID_LEN;
memcpy(ids->nguid, data + sizeof(*cur), NVME_NIDT_NGUID_LEN);
return NVME_NIDT_NGUID_LEN;
case NVME_NIDT_UUID:
@@ -1379,6 +1383,8 @@ static int nvme_process_ns_desc(struct nvme_ctrl *ctrl, struct nvme_ns_ids *ids,
warn_str, cur->nidl);
return -1;
}
+ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID)
+ return NVME_NIDT_UUID_LEN;
uuid_copy(&ids->uuid, data + sizeof(*cur));
return NVME_NIDT_UUID_LEN;
case NVME_NIDT_CSI:
@@ -1475,12 +1481,18 @@ static int nvme_identify_ns(struct nvme_ctrl *ctrl, unsigned nsid,
if ((*id)->ncap == 0) /* namespace not allocated or attached */
goto out_free_id;

- if (ctrl->vs >= NVME_VS(1, 1, 0) &&
- !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
- memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
- if (ctrl->vs >= NVME_VS(1, 2, 0) &&
- !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
- memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
+
+ if (ctrl->quirks & NVME_QUIRK_BOGUS_NID) {
+ dev_info(ctrl->device,
+ "Ignoring bogus Namespace Identifiers\n");
+ } else {
+ if (ctrl->vs >= NVME_VS(1, 1, 0) &&
+ !memchr_inv(ids->eui64, 0, sizeof(ids->eui64)))
+ memcpy(ids->eui64, (*id)->eui64, sizeof(ids->eui64));
+ if (ctrl->vs >= NVME_VS(1, 2, 0) &&
+ !memchr_inv(ids->nguid, 0, sizeof(ids->nguid)))
+ memcpy(ids->nguid, (*id)->nguid, sizeof(ids->nguid));
+ }

return 0;

diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 730cc80d84ff..68c42e831117 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -144,6 +144,11 @@ enum nvme_quirks {
* encoding the generation sequence number.
*/
NVME_QUIRK_SKIP_CID_GEN = (1 << 17),
+
+ /*
+ * Reports garbage in the namespace identifiers (eui64, nguid, uuid).
+ */
+ NVME_QUIRK_BOGUS_NID = (1 << 18),
};

/*
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 6a99ed680915..e4b79bee6206 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3405,7 +3405,10 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
{ PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */
.driver_data = NVME_QUIRK_IDENTIFY_CNS |
- NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+ NVME_QUIRK_DISABLE_WRITE_ZEROES |
+ NVME_QUIRK_BOGUS_NID, },
+ { PCI_VDEVICE(REDHAT, 0x0010), /* Qemu emulated controller */
+ .driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(0x126f, 0x2263), /* Silicon Motion unidentified */
.driver_data = NVME_QUIRK_NO_NS_DESC_LIST, },
{ PCI_DEVICE(0x1bb1, 0x0100), /* Seagate Nytro Flash Storage */
@@ -3443,6 +3446,10 @@ static const struct pci_device_id nvme_id_table[] = {
.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
{ PCI_DEVICE(0x2646, 0x2263), /* KINGSTON A2000 NVMe SSD */
.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
+ { PCI_DEVICE(0x1e4B, 0x1002), /* MAXIO MAP1002 */
+ .driver_data = NVME_QUIRK_BOGUS_NID, },
+ { PCI_DEVICE(0x1e4B, 0x1202), /* MAXIO MAP1202 */
+ .driver_data = NVME_QUIRK_BOGUS_NID, },
{ PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0061),
.driver_data = NVME_QUIRK_DMA_ADDRESS_BITS_48, },
{ PCI_DEVICE(PCI_VENDOR_ID_AMAZON, 0x0065),
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 295cc7952d0e..57d20cf3da7a 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -398,6 +398,9 @@ validate_group(struct perf_event *event)
if (!validate_event(event->pmu, &fake_pmu, leader))
return -EINVAL;

+ if (event == leader)
+ return 0;
+
for_each_sibling_event(sibling, leader) {
if (!validate_event(event->pmu, &fake_pmu, sibling))
return -EINVAL;
@@ -487,12 +490,7 @@ __hw_perf_event_init(struct perf_event *event)
local64_set(&hwc->period_left, hwc->sample_period);
}

- if (event->group_leader != event) {
- if (validate_group(event) != 0)
- return -EINVAL;
- }
-
- return 0;
+ return validate_group(event);
}

static int armpmu_event_init(struct perf_event *event)
diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
index c1d9ed9b7b67..19f6b456234f 100644
--- a/drivers/platform/x86/samsung-laptop.c
+++ b/drivers/platform/x86/samsung-laptop.c
@@ -1121,8 +1121,6 @@ static void kbd_led_set(struct led_classdev *led_cdev,

if (value > samsung->kbd_led.max_brightness)
value = samsung->kbd_led.max_brightness;
- else if (value < 0)
- value = 0;

samsung->kbd_led_wk = value;
queue_work(samsung->led_workqueue, &samsung->kbd_led_work);
diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index 1e8315038850..a8dde4606360 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -121,7 +121,9 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
return dev_err_probe(dev, PTR_ERR(priv->rstc),
"failed to get reset\n");

- reset_control_deassert(priv->rstc);
+ error = reset_control_deassert(priv->rstc);
+ if (error)
+ return error;

priv->rcdev.ops = &rzg2l_usbphy_ctrl_reset_ops;
priv->rcdev.of_reset_n_cells = 1;
diff --git a/drivers/reset/tegra/reset-bpmp.c b/drivers/reset/tegra/reset-bpmp.c
index 24d3395964cc..4c5bba52b105 100644
--- a/drivers/reset/tegra/reset-bpmp.c
+++ b/drivers/reset/tegra/reset-bpmp.c
@@ -20,6 +20,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
struct mrq_reset_request request;
struct tegra_bpmp_message msg;
+ int err;

memset(&request, 0, sizeof(request));
request.cmd = command;
@@ -30,7 +31,13 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
msg.tx.data = &request;
msg.tx.size = sizeof(request);

- return tegra_bpmp_transfer(bpmp, &msg);
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err)
+ return err;
+ if (msg.rx.ret)
+ return -EINVAL;
+
+ return 0;
}

static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,
diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
index 5521469ce678..e16327a4b4c9 100644
--- a/drivers/scsi/bnx2i/bnx2i_hwi.c
+++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
@@ -1977,7 +1977,7 @@ static int bnx2i_process_new_cqes(struct bnx2i_conn *bnx2i_conn)
if (nopin->cq_req_sn != qp->cqe_exp_seq_sn)
break;

- if (unlikely(test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx))) {
+ if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
if (nopin->op_code == ISCSI_OP_NOOP_IN &&
nopin->itt == (u16) RESERVED_ITT) {
printk(KERN_ALERT "bnx2i: Unsolicited "
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index e21b053b4f3e..a592ca8602f9 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1721,7 +1721,7 @@ static int bnx2i_tear_down_conn(struct bnx2i_hba *hba,
struct iscsi_conn *conn = ep->conn->cls_conn->dd_data;

/* Must suspend all rx queue activity for this ep */
- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
+ set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
}
/* CONN_DISCONNECT timeout may or may not be an issue depending
* on what transcribed in TCP layer, different targets behave
diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c
index 8c7d4dda4cf2..4365d52c6430 100644
--- a/drivers/scsi/cxgbi/libcxgbi.c
+++ b/drivers/scsi/cxgbi/libcxgbi.c
@@ -1634,11 +1634,11 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk)
log_debug(1 << CXGBI_DBG_PDU_RX,
"csk 0x%p, conn 0x%p.\n", csk, conn);

- if (unlikely(!conn || conn->suspend_rx)) {
+ if (unlikely(!conn || test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
log_debug(1 << CXGBI_DBG_PDU_RX,
- "csk 0x%p, conn 0x%p, id %d, suspend_rx %lu!\n",
+ "csk 0x%p, conn 0x%p, id %d, conn flags 0x%lx!\n",
csk, conn, conn ? conn->id : 0xFF,
- conn ? conn->suspend_rx : 0xFF);
+ conn ? conn->flags : 0xFF);
return;
}

diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 059dae8909ee..f228d991038a 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -678,7 +678,8 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
struct iscsi_task *task;
itt_t itt;

- if (session->state == ISCSI_STATE_TERMINATE)
+ if (session->state == ISCSI_STATE_TERMINATE ||
+ !test_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags))
return NULL;

if (opcode == ISCSI_OP_LOGIN || opcode == ISCSI_OP_TEXT) {
@@ -1392,8 +1393,8 @@ static bool iscsi_set_conn_failed(struct iscsi_conn *conn)
if (conn->stop_stage == 0)
session->state = ISCSI_STATE_FAILED;

- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
+ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
+ set_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
return true;
}

@@ -1454,7 +1455,7 @@ static int iscsi_xmit_task(struct iscsi_conn *conn, struct iscsi_task *task,
* Do this after dropping the extra ref because if this was a requeue
* it's removed from that list and cleanup_queued_task would miss it.
*/
- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
/*
* Save the task and ref in case we weren't cleaning up this
* task and get woken up again.
@@ -1532,7 +1533,7 @@ static int iscsi_data_xmit(struct iscsi_conn *conn)
int rc = 0;

spin_lock_bh(&conn->session->frwd_lock);
- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
ISCSI_DBG_SESSION(conn->session, "Tx suspended!\n");
spin_unlock_bh(&conn->session->frwd_lock);
return -ENODATA;
@@ -1746,7 +1747,7 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc)
goto fault;
}

- if (test_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx)) {
+ if (test_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags)) {
reason = FAILURE_SESSION_IN_RECOVERY;
sc->result = DID_REQUEUE << 16;
goto fault;
@@ -1935,7 +1936,7 @@ static void fail_scsi_tasks(struct iscsi_conn *conn, u64 lun, int error)
void iscsi_suspend_queue(struct iscsi_conn *conn)
{
spin_lock_bh(&conn->session->frwd_lock);
- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
spin_unlock_bh(&conn->session->frwd_lock);
}
EXPORT_SYMBOL_GPL(iscsi_suspend_queue);
@@ -1953,7 +1954,7 @@ void iscsi_suspend_tx(struct iscsi_conn *conn)
struct Scsi_Host *shost = conn->session->host;
struct iscsi_host *ihost = shost_priv(shost);

- set_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+ set_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
if (ihost->workq)
flush_workqueue(ihost->workq);
}
@@ -1961,7 +1962,7 @@ EXPORT_SYMBOL_GPL(iscsi_suspend_tx);

static void iscsi_start_tx(struct iscsi_conn *conn)
{
- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+ clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
iscsi_conn_queue_work(conn);
}

@@ -2214,6 +2215,8 @@ void iscsi_conn_unbind(struct iscsi_cls_conn *cls_conn, bool is_active)
iscsi_suspend_tx(conn);

spin_lock_bh(&session->frwd_lock);
+ clear_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
+
if (!is_active) {
/*
* if logout timed out before userspace could even send a PDU
@@ -3311,6 +3314,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
spin_lock_bh(&session->frwd_lock);
if (is_leading)
session->leadconn = conn;
+
+ set_bit(ISCSI_CONN_FLAG_BOUND, &conn->flags);
spin_unlock_bh(&session->frwd_lock);

/*
@@ -3323,8 +3328,8 @@ int iscsi_conn_bind(struct iscsi_cls_session *cls_session,
/*
* Unblock xmitworker(), Login Phase will pass through.
*/
- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_rx);
- clear_bit(ISCSI_SUSPEND_BIT, &conn->suspend_tx);
+ clear_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags);
+ clear_bit(ISCSI_CONN_FLAG_SUSPEND_TX, &conn->flags);
return 0;
}
EXPORT_SYMBOL_GPL(iscsi_conn_bind);
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 2e9ffe3d1a55..883005757ddb 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -927,7 +927,7 @@ int iscsi_tcp_recv_skb(struct iscsi_conn *conn, struct sk_buff *skb,
*/
conn->last_recv = jiffies;

- if (unlikely(conn->suspend_rx)) {
+ if (unlikely(test_bit(ISCSI_CONN_FLAG_SUSPEND_RX, &conn->flags))) {
ISCSI_DBG_TCP(conn, "Rx suspended!\n");
*status = ISCSI_TCP_SUSPENDED;
return 0;
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 282ecb4e39bb..e1fe989ad7b3 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -859,6 +859,37 @@ static int qedi_task_xmit(struct iscsi_task *task)
return qedi_iscsi_send_ioreq(task);
}

+static void qedi_offload_work(struct work_struct *work)
+{
+ struct qedi_endpoint *qedi_ep =
+ container_of(work, struct qedi_endpoint, offload_work);
+ struct qedi_ctx *qedi;
+ int wait_delay = 5 * HZ;
+ int ret;
+
+ qedi = qedi_ep->qedi;
+
+ ret = qedi_iscsi_offload_conn(qedi_ep);
+ if (ret) {
+ QEDI_ERR(&qedi->dbg_ctx,
+ "offload error: iscsi_cid=%u, qedi_ep=%p, ret=%d\n",
+ qedi_ep->iscsi_cid, qedi_ep, ret);
+ qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
+ return;
+ }
+
+ ret = wait_event_interruptible_timeout(qedi_ep->tcp_ofld_wait,
+ (qedi_ep->state ==
+ EP_STATE_OFLDCONN_COMPL),
+ wait_delay);
+ if (ret <= 0 || qedi_ep->state != EP_STATE_OFLDCONN_COMPL) {
+ qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
+ QEDI_ERR(&qedi->dbg_ctx,
+ "Offload conn TIMEOUT iscsi_cid=%u, qedi_ep=%p\n",
+ qedi_ep->iscsi_cid, qedi_ep);
+ }
+}
+
static struct iscsi_endpoint *
qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
int non_blocking)
@@ -907,6 +938,7 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
}
qedi_ep = ep->dd_data;
memset(qedi_ep, 0, sizeof(struct qedi_endpoint));
+ INIT_WORK(&qedi_ep->offload_work, qedi_offload_work);
qedi_ep->state = EP_STATE_IDLE;
qedi_ep->iscsi_cid = (u32)-1;
qedi_ep->qedi = qedi;
@@ -1055,12 +1087,11 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
qedi_ep = ep->dd_data;
qedi = qedi_ep->qedi;

+ flush_work(&qedi_ep->offload_work);
+
if (qedi_ep->state == EP_STATE_OFLDCONN_START)
goto ep_exit_recover;

- if (qedi_ep->state != EP_STATE_OFLDCONN_NONE)
- flush_work(&qedi_ep->offload_work);
-
if (qedi_ep->conn) {
qedi_conn = qedi_ep->conn;
abrt_conn = qedi_conn->abrt_conn;
@@ -1234,37 +1265,6 @@ static int qedi_data_avail(struct qedi_ctx *qedi, u16 vlanid)
return rc;
}

-static void qedi_offload_work(struct work_struct *work)
-{
- struct qedi_endpoint *qedi_ep =
- container_of(work, struct qedi_endpoint, offload_work);
- struct qedi_ctx *qedi;
- int wait_delay = 5 * HZ;
- int ret;
-
- qedi = qedi_ep->qedi;
-
- ret = qedi_iscsi_offload_conn(qedi_ep);
- if (ret) {
- QEDI_ERR(&qedi->dbg_ctx,
- "offload error: iscsi_cid=%u, qedi_ep=%p, ret=%d\n",
- qedi_ep->iscsi_cid, qedi_ep, ret);
- qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
- return;
- }
-
- ret = wait_event_interruptible_timeout(qedi_ep->tcp_ofld_wait,
- (qedi_ep->state ==
- EP_STATE_OFLDCONN_COMPL),
- wait_delay);
- if ((ret <= 0) || (qedi_ep->state != EP_STATE_OFLDCONN_COMPL)) {
- qedi_ep->state = EP_STATE_OFLDCONN_FAILED;
- QEDI_ERR(&qedi->dbg_ctx,
- "Offload conn TIMEOUT iscsi_cid=%u, qedi_ep=%p\n",
- qedi_ep->iscsi_cid, qedi_ep);
- }
-}
-
static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
{
struct qedi_ctx *qedi;
@@ -1380,7 +1380,6 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
qedi_ep->dst_addr, qedi_ep->dst_port);
}

- INIT_WORK(&qedi_ep->offload_work, qedi_offload_work);
queue_work(qedi->offload_thread, &qedi_ep->offload_work);

ret = 0;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index c7b1b2e8bb02..bcdfcb25349a 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -86,6 +86,9 @@ struct iscsi_internal {
struct transport_container session_cont;
};

+static DEFINE_IDR(iscsi_ep_idr);
+static DEFINE_MUTEX(iscsi_ep_idr_mutex);
+
static atomic_t iscsi_session_nr; /* sysfs session id for next new session */
static struct workqueue_struct *iscsi_eh_timer_workq;

@@ -169,6 +172,11 @@ struct device_attribute dev_attr_##_prefix##_##_name = \
static void iscsi_endpoint_release(struct device *dev)
{
struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
+
+ mutex_lock(&iscsi_ep_idr_mutex);
+ idr_remove(&iscsi_ep_idr, ep->id);
+ mutex_unlock(&iscsi_ep_idr_mutex);
+
kfree(ep);
}

@@ -181,7 +189,7 @@ static ssize_t
show_ep_handle(struct device *dev, struct device_attribute *attr, char *buf)
{
struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
- return sysfs_emit(buf, "%llu\n", (unsigned long long) ep->id);
+ return sysfs_emit(buf, "%d\n", ep->id);
}
static ISCSI_ATTR(ep, handle, S_IRUGO, show_ep_handle, NULL);

@@ -194,48 +202,32 @@ static struct attribute_group iscsi_endpoint_group = {
.attrs = iscsi_endpoint_attrs,
};

-#define ISCSI_MAX_EPID -1
-
-static int iscsi_match_epid(struct device *dev, const void *data)
-{
- struct iscsi_endpoint *ep = iscsi_dev_to_endpoint(dev);
- const uint64_t *epid = data;
-
- return *epid == ep->id;
-}
-
struct iscsi_endpoint *
iscsi_create_endpoint(int dd_size)
{
- struct device *dev;
struct iscsi_endpoint *ep;
- uint64_t id;
- int err;
-
- for (id = 1; id < ISCSI_MAX_EPID; id++) {
- dev = class_find_device(&iscsi_endpoint_class, NULL, &id,
- iscsi_match_epid);
- if (!dev)
- break;
- else
- put_device(dev);
- }
- if (id == ISCSI_MAX_EPID) {
- printk(KERN_ERR "Too many connections. Max supported %u\n",
- ISCSI_MAX_EPID - 1);
- return NULL;
- }
+ int err, id;

ep = kzalloc(sizeof(*ep) + dd_size, GFP_KERNEL);
if (!ep)
return NULL;

+ mutex_lock(&iscsi_ep_idr_mutex);
+ id = idr_alloc(&iscsi_ep_idr, ep, 0, -1, GFP_NOIO);
+ if (id < 0) {
+ mutex_unlock(&iscsi_ep_idr_mutex);
+ printk(KERN_ERR "Could not allocate endpoint ID. Error %d.\n",
+ id);
+ goto free_ep;
+ }
+ mutex_unlock(&iscsi_ep_idr_mutex);
+
ep->id = id;
ep->dev.class = &iscsi_endpoint_class;
- dev_set_name(&ep->dev, "ep-%llu", (unsigned long long) id);
+ dev_set_name(&ep->dev, "ep-%d", id);
err = device_register(&ep->dev);
if (err)
- goto free_ep;
+ goto free_id;

err = sysfs_create_group(&ep->dev.kobj, &iscsi_endpoint_group);
if (err)
@@ -249,6 +241,10 @@ iscsi_create_endpoint(int dd_size)
device_unregister(&ep->dev);
return NULL;

+free_id:
+ mutex_lock(&iscsi_ep_idr_mutex);
+ idr_remove(&iscsi_ep_idr, id);
+ mutex_unlock(&iscsi_ep_idr_mutex);
free_ep:
kfree(ep);
return NULL;
@@ -276,14 +272,17 @@ EXPORT_SYMBOL_GPL(iscsi_put_endpoint);
*/
struct iscsi_endpoint *iscsi_lookup_endpoint(u64 handle)
{
- struct device *dev;
+ struct iscsi_endpoint *ep;

- dev = class_find_device(&iscsi_endpoint_class, NULL, &handle,
- iscsi_match_epid);
- if (!dev)
- return NULL;
+ mutex_lock(&iscsi_ep_idr_mutex);
+ ep = idr_find(&iscsi_ep_idr, handle);
+ if (!ep)
+ goto unlock;

- return iscsi_dev_to_endpoint(dev);
+ get_device(&ep->dev);
+unlock:
+ mutex_unlock(&iscsi_ep_idr_mutex);
+ return ep;
}
EXPORT_SYMBOL_GPL(iscsi_lookup_endpoint);

diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index ddd00efc4882..fbdb5124d7f7 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -41,7 +41,7 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
int result;
unsigned char *buffer;

- buffer = kmalloc(32, GFP_KERNEL);
+ buffer = kzalloc(32, GFP_KERNEL);
if (!buffer)
return -ENOMEM;

@@ -55,10 +55,13 @@ static int sr_read_tochdr(struct cdrom_device_info *cdi,
cgc.data_direction = DMA_FROM_DEVICE;

result = sr_do_ioctl(cd, &cgc);
+ if (result)
+ goto err;

tochdr->cdth_trk0 = buffer[2];
tochdr->cdth_trk1 = buffer[3];

+err:
kfree(buffer);
return result;
}
@@ -71,7 +74,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
int result;
unsigned char *buffer;

- buffer = kmalloc(32, GFP_KERNEL);
+ buffer = kzalloc(32, GFP_KERNEL);
if (!buffer)
return -ENOMEM;

@@ -86,6 +89,8 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
cgc.data_direction = DMA_FROM_DEVICE;

result = sr_do_ioctl(cd, &cgc);
+ if (result)
+ goto err;

tocentry->cdte_ctrl = buffer[5] & 0xf;
tocentry->cdte_adr = buffer[5] >> 4;
@@ -98,6 +103,7 @@ static int sr_read_tocentry(struct cdrom_device_info *cdi,
tocentry->cdte_addr.lba = (((((buffer[8] << 8) + buffer[9]) << 8)
+ buffer[10]) << 8) + buffer[11];

+err:
kfree(buffer);
return result;
}
@@ -384,7 +390,7 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
{
Scsi_CD *cd = cdi->handle;
struct packet_command cgc;
- char *buffer = kmalloc(32, GFP_KERNEL);
+ char *buffer = kzalloc(32, GFP_KERNEL);
int result;

if (!buffer)
@@ -400,10 +406,13 @@ int sr_get_mcn(struct cdrom_device_info *cdi, struct cdrom_mcn *mcn)
cgc.data_direction = DMA_FROM_DEVICE;
cgc.timeout = IOCTL_TIMEOUT;
result = sr_do_ioctl(cd, &cgc);
+ if (result)
+ goto err;

memcpy(mcn->medium_catalog_number, buffer + 9, 13);
mcn->medium_catalog_number[13] = 0;

+err:
kfree(buffer);
return result;
}
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index cb285d277201..5696e52c76e9 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -367,7 +367,7 @@ static void ufshcd_add_uic_command_trace(struct ufs_hba *hba,
static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
enum ufs_trace_str_t str_t)
{
- u64 lba;
+ u64 lba = 0;
u8 opcode = 0, group_id = 0;
u32 intr, doorbell;
struct ufshcd_lrb *lrbp = &hba->lrb[tag];
@@ -384,7 +384,6 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
return;

opcode = cmd->cmnd[0];
- lba = scsi_get_lba(cmd);

if (opcode == READ_10 || opcode == WRITE_10) {
/*
@@ -392,6 +391,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
*/
transfer_len =
be32_to_cpu(lrbp->ucd_req_ptr->sc.exp_data_transfer_len);
+ lba = scsi_get_lba(cmd);
if (opcode == WRITE_10)
group_id = lrbp->cmd->cmnd[6];
} else if (opcode == UNMAP) {
@@ -399,6 +399,7 @@ static void ufshcd_add_command_trace(struct ufs_hba *hba, unsigned int tag,
* The number of Bytes to be unmapped beginning with the lba.
*/
transfer_len = blk_rq_bytes(rq);
+ lba = scsi_get_lba(cmd);
}

intr = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
diff --git a/drivers/spi/atmel-quadspi.c b/drivers/spi/atmel-quadspi.c
index 92d9610df1fd..938017a60c8e 100644
--- a/drivers/spi/atmel-quadspi.c
+++ b/drivers/spi/atmel-quadspi.c
@@ -277,6 +277,9 @@ static int atmel_qspi_find_mode(const struct spi_mem_op *op)
static bool atmel_qspi_supports_op(struct spi_mem *mem,
const struct spi_mem_op *op)
{
+ if (!spi_mem_default_supports_op(mem, op))
+ return false;
+
if (atmel_qspi_find_mode(op) < 0)
return false;

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 75f356041138..b8ac24318cb3 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -1415,9 +1415,24 @@ static bool cqspi_supports_mem_op(struct spi_mem *mem,
all_false = !op->cmd.dtr && !op->addr.dtr && !op->dummy.dtr &&
!op->data.dtr;

- /* Mixed DTR modes not supported. */
- if (!(all_true || all_false))
+ if (all_true) {
+ /* Right now we only support 8-8-8 DTR mode. */
+ if (op->cmd.nbytes && op->cmd.buswidth != 8)
+ return false;
+ if (op->addr.nbytes && op->addr.buswidth != 8)
+ return false;
+ if (op->data.nbytes && op->data.buswidth != 8)
+ return false;
+ } else if (all_false) {
+ /* Only 1-1-X ops are supported without DTR */
+ if (op->cmd.nbytes && op->cmd.buswidth > 1)
+ return false;
+ if (op->addr.nbytes && op->addr.buswidth > 1)
+ return false;
+ } else {
+ /* Mixed DTR modes are not supported. */
return false;
+ }

if (all_true)
return spi_mem_dtr_supports_op(mem, op);
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
index 5c93730615f8..6d203477c04b 100644
--- a/drivers/spi/spi-mtk-nor.c
+++ b/drivers/spi/spi-mtk-nor.c
@@ -909,7 +909,17 @@ static int __maybe_unused mtk_nor_suspend(struct device *dev)

static int __maybe_unused mtk_nor_resume(struct device *dev)
{
- return pm_runtime_force_resume(dev);
+ struct spi_controller *ctlr = dev_get_drvdata(dev);
+ struct mtk_nor *sp = spi_controller_get_devdata(ctlr);
+ int ret;
+
+ ret = pm_runtime_force_resume(dev);
+ if (ret)
+ return ret;
+
+ mtk_nor_init(sp);
+
+ return 0;
}

static const struct dev_pm_ops mtk_nor_pm_ops = {
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 792fdcfdc6ad..10aa0fb94613 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -946,7 +946,7 @@ cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
ssize_t rc;
struct inode *inode = file_inode(iocb->ki_filp);

- if (iocb->ki_filp->f_flags & O_DIRECT)
+ if (iocb->ki_flags & IOCB_DIRECT)
return cifs_user_readv(iocb, iter);

rc = cifs_revalidate_mapping(inode);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index c3be6a541c8f..532770c30415 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -534,12 +534,19 @@ int cifs_reconnect(struct TCP_Server_Info *server, bool mark_smb_session)
{
/* If tcp session is not an dfs connection, then reconnect to last target server */
spin_lock(&cifs_tcp_ses_lock);
- if (!server->is_dfs_conn || !server->origin_fullpath || !server->leaf_fullpath) {
+ if (!server->is_dfs_conn) {
spin_unlock(&cifs_tcp_ses_lock);
return __cifs_reconnect(server, mark_smb_session);
}
spin_unlock(&cifs_tcp_ses_lock);

+ mutex_lock(&server->refpath_lock);
+ if (!server->origin_fullpath || !server->leaf_fullpath) {
+ mutex_unlock(&server->refpath_lock);
+ return __cifs_reconnect(server, mark_smb_session);
+ }
+ mutex_unlock(&server->refpath_lock);
+
return reconnect_dfs_server(server);
}
#else
@@ -3675,9 +3682,11 @@ static void setup_server_referral_paths(struct mount_ctx *mnt_ctx)
{
struct TCP_Server_Info *server = mnt_ctx->server;

+ mutex_lock(&server->refpath_lock);
server->origin_fullpath = mnt_ctx->origin_fullpath;
server->leaf_fullpath = mnt_ctx->leaf_fullpath;
server->current_fullpath = mnt_ctx->leaf_fullpath;
+ mutex_unlock(&server->refpath_lock);
mnt_ctx->origin_fullpath = mnt_ctx->leaf_fullpath = NULL;
}

diff --git a/fs/cifs/dfs_cache.c b/fs/cifs/dfs_cache.c
index 30e040da4f09..956f8e5cf3e7 100644
--- a/fs/cifs/dfs_cache.c
+++ b/fs/cifs/dfs_cache.c
@@ -1422,12 +1422,14 @@ static int refresh_tcon(struct cifs_ses **sessions, struct cifs_tcon *tcon, bool
struct TCP_Server_Info *server = tcon->ses->server;

mutex_lock(&server->refpath_lock);
- if (strcasecmp(server->leaf_fullpath, server->origin_fullpath))
- __refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, force_refresh);
+ if (server->origin_fullpath) {
+ if (server->leaf_fullpath && strcasecmp(server->leaf_fullpath,
+ server->origin_fullpath))
+ __refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, force_refresh);
+ __refresh_tcon(server->origin_fullpath + 1, sessions, tcon, force_refresh);
+ }
mutex_unlock(&server->refpath_lock);

- __refresh_tcon(server->origin_fullpath + 1, sessions, tcon, force_refresh);
-
return 0;
}

@@ -1530,11 +1532,14 @@ static void refresh_mounts(struct cifs_ses **sessions)
list_del_init(&tcon->ulist);

mutex_lock(&server->refpath_lock);
- if (strcasecmp(server->leaf_fullpath, server->origin_fullpath))
- __refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, false);
+ if (server->origin_fullpath) {
+ if (server->leaf_fullpath && strcasecmp(server->leaf_fullpath,
+ server->origin_fullpath))
+ __refresh_tcon(server->leaf_fullpath + 1, sessions, tcon, false);
+ __refresh_tcon(server->origin_fullpath + 1, sessions, tcon, false);
+ }
mutex_unlock(&server->refpath_lock);

- __refresh_tcon(server->origin_fullpath + 1, sessions, tcon, false);
cifs_put_tcon(tcon);
}
}
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index bcd3b9bf8069..9b8069322495 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -2271,6 +2271,10 @@ static inline int ext4_forced_shutdown(struct ext4_sb_info *sbi)
* Structure of a directory entry
*/
#define EXT4_NAME_LEN 255
+/*
+ * Base length of the ext4 directory entry excluding the name length
+ */
+#define EXT4_BASE_DIR_LEN (sizeof(struct ext4_dir_entry_2) - EXT4_NAME_LEN)

struct ext4_dir_entry {
__le32 inode; /* Inode number */
@@ -3030,7 +3034,7 @@ extern int ext4_inode_attach_jinode(struct inode *inode);
extern int ext4_can_truncate(struct inode *inode);
extern int ext4_truncate(struct inode *);
extern int ext4_break_layouts(struct inode *);
-extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);
+extern int ext4_punch_hole(struct file *file, loff_t offset, loff_t length);
extern void ext4_set_inode_flags(struct inode *, bool init);
extern int ext4_alloc_da_blocks(struct inode *inode);
extern void ext4_set_aops(struct inode *inode);
@@ -3062,6 +3066,7 @@ int ext4_fileattr_set(struct user_namespace *mnt_userns,
struct dentry *dentry, struct fileattr *fa);
int ext4_fileattr_get(struct dentry *dentry, struct fileattr *fa);
extern void ext4_reset_inode_seed(struct inode *inode);
+int ext4_update_overhead(struct super_block *sb);

/* migrate.c */
extern int ext4_ext_migrate(struct inode *);
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index c0f3f83e0c1b..488d7c1de941 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -4501,9 +4501,9 @@ static int ext4_alloc_file_blocks(struct file *file, ext4_lblk_t offset,
return ret > 0 ? ret2 : ret;
}

-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len);
+static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len);

-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len);
+static int ext4_insert_range(struct file *file, loff_t offset, loff_t len);

static long ext4_zero_range(struct file *file, loff_t offset,
loff_t len, int mode)
@@ -4575,6 +4575,10 @@ static long ext4_zero_range(struct file *file, loff_t offset,
/* Wait all existing dio workers, newcomers will block on i_rwsem */
inode_dio_wait(inode);

+ ret = file_modified(file);
+ if (ret)
+ goto out_mutex;
+
/* Preallocate the range including the unaligned edges */
if (partial_begin || partial_end) {
ret = ext4_alloc_file_blocks(file,
@@ -4691,7 +4695,7 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
return -EOPNOTSUPP;

if (mode & FALLOC_FL_PUNCH_HOLE) {
- ret = ext4_punch_hole(inode, offset, len);
+ ret = ext4_punch_hole(file, offset, len);
goto exit;
}

@@ -4700,12 +4704,12 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
goto exit;

if (mode & FALLOC_FL_COLLAPSE_RANGE) {
- ret = ext4_collapse_range(inode, offset, len);
+ ret = ext4_collapse_range(file, offset, len);
goto exit;
}

if (mode & FALLOC_FL_INSERT_RANGE) {
- ret = ext4_insert_range(inode, offset, len);
+ ret = ext4_insert_range(file, offset, len);
goto exit;
}

@@ -4741,6 +4745,10 @@ long ext4_fallocate(struct file *file, int mode, loff_t offset, loff_t len)
/* Wait all existing dio workers, newcomers will block on i_rwsem */
inode_dio_wait(inode);

+ ret = file_modified(file);
+ if (ret)
+ goto out;
+
ret = ext4_alloc_file_blocks(file, lblk, max_blocks, new_size, flags);
if (ret)
goto out;
@@ -5242,8 +5250,9 @@ ext4_ext_shift_extents(struct inode *inode, handle_t *handle,
* This implements the fallocate's collapse range functionality for ext4
* Returns: 0 and non-zero on error.
*/
-static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
+static int ext4_collapse_range(struct file *file, loff_t offset, loff_t len)
{
+ struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct address_space *mapping = inode->i_mapping;
ext4_lblk_t punch_start, punch_stop;
@@ -5295,6 +5304,10 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
/* Wait for existing dio to complete */
inode_dio_wait(inode);

+ ret = file_modified(file);
+ if (ret)
+ goto out_mutex;
+
/*
* Prevent page faults from reinstantiating pages we have released from
* page cache.
@@ -5388,8 +5401,9 @@ static int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
* by len bytes.
* Returns 0 on success, error otherwise.
*/
-static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
+static int ext4_insert_range(struct file *file, loff_t offset, loff_t len)
{
+ struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
struct address_space *mapping = inode->i_mapping;
handle_t *handle;
@@ -5446,6 +5460,10 @@ static int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
/* Wait for existing dio to complete */
inode_dio_wait(inode);

+ ret = file_modified(file);
+ if (ret)
+ goto out_mutex;
+
/*
* Prevent page faults from reinstantiating pages we have released from
* page cache.
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 531a94f48637..d8ff93a4b1b9 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3944,12 +3944,14 @@ int ext4_break_layouts(struct inode *inode)
* Returns: 0 on success or negative on failure
*/

-int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
+int ext4_punch_hole(struct file *file, loff_t offset, loff_t length)
{
+ struct inode *inode = file_inode(file);
struct super_block *sb = inode->i_sb;
ext4_lblk_t first_block, stop_block;
struct address_space *mapping = inode->i_mapping;
- loff_t first_block_offset, last_block_offset;
+ loff_t first_block_offset, last_block_offset, max_length;
+ struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
handle_t *handle;
unsigned int credits;
int ret = 0, ret2 = 0;
@@ -3992,6 +3994,14 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
offset;
}

+ /*
+ * For punch hole the length + offset needs to be within one block
+ * before last range. Adjust the length if it goes beyond that limit.
+ */
+ max_length = sbi->s_bitmap_maxbytes - inode->i_sb->s_blocksize;
+ if (offset + length > max_length)
+ length = max_length - offset;
+
if (offset & (sb->s_blocksize - 1) ||
(offset + length) & (sb->s_blocksize - 1)) {
/*
@@ -4007,6 +4017,10 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
/* Wait all existing dio workers, newcomers will block on i_rwsem */
inode_dio_wait(inode);

+ ret = file_modified(file);
+ if (ret)
+ goto out_mutex;
+
/*
* Prevent page faults from reinstantiating pages we have released from
* page cache.
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index a8022c2c6a58..da0aefe67673 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -1652,3 +1652,19 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return ext4_ioctl(file, cmd, (unsigned long) compat_ptr(arg));
}
#endif
+
+static void set_overhead(struct ext4_super_block *es, const void *arg)
+{
+ es->s_overhead_clusters = cpu_to_le32(*((unsigned long *) arg));
+}
+
+int ext4_update_overhead(struct super_block *sb)
+{
+ struct ext4_sb_info *sbi = EXT4_SB(sb);
+
+ if (sb_rdonly(sb) || sbi->s_overhead == 0 ||
+ sbi->s_overhead == le32_to_cpu(sbi->s_es->s_overhead_clusters))
+ return 0;
+
+ return ext4_update_superblocks_fn(sb, set_overhead, &sbi->s_overhead);
+}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 39e223f7bf64..f62260264f68 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1466,10 +1466,10 @@ int ext4_search_dir(struct buffer_head *bh, char *search_buf, int buf_size,

de = (struct ext4_dir_entry_2 *)search_buf;
dlimit = search_buf + buf_size;
- while ((char *) de < dlimit) {
+ while ((char *) de < dlimit - EXT4_BASE_DIR_LEN) {
/* this code is executed quadratically often */
/* do minimal checking `by hand' */
- if ((char *) de + de->name_len <= dlimit &&
+ if (de->name + de->name_len <= dlimit &&
ext4_match(dir, fname, de)) {
/* found a match - just to be sure, do
* a full check */
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 1d370364230e..40b7d8485b44 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -134,8 +134,10 @@ static void ext4_finish_bio(struct bio *bio)
continue;
}
clear_buffer_async_write(bh);
- if (bio->bi_status)
+ if (bio->bi_status) {
+ set_buffer_write_io_error(bh);
buffer_io_error(bh);
+ }
} while ((bh = bh->b_this_page) != head);
spin_unlock_irqrestore(&head->b_uptodate_lock, flags);
if (!under_io) {
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index bed29f96ccc7..ba6530c2d271 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -4156,9 +4156,11 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
ext4_fsblk_t first_block, last_block, b;
ext4_group_t i, ngroups = ext4_get_groups_count(sb);
int s, j, count = 0;
+ int has_super = ext4_bg_has_super(sb, grp);

if (!ext4_has_feature_bigalloc(sb))
- return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, grp) +
+ return (has_super + ext4_bg_num_gdb(sb, grp) +
+ (has_super ? le16_to_cpu(sbi->s_es->s_reserved_gdt_blocks) : 0) +
sbi->s_itb_per_group + 2);

first_block = le32_to_cpu(sbi->s_es->s_first_data_block) +
@@ -5266,9 +5268,18 @@ static int __ext4_fill_super(struct fs_context *fc, struct super_block *sb)
* Get the # of file system overhead blocks from the
* superblock if present.
*/
- if (es->s_overhead_clusters)
- sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
- else {
+ sbi->s_overhead = le32_to_cpu(es->s_overhead_clusters);
+ /* ignore the precalculated value if it is ridiculous */
+ if (sbi->s_overhead > ext4_blocks_count(es))
+ sbi->s_overhead = 0;
+ /*
+ * If the bigalloc feature is not enabled recalculating the
+ * overhead doesn't take long, so we might as well just redo
+ * it to make sure we are using the correct value.
+ */
+ if (!ext4_has_feature_bigalloc(sb))
+ sbi->s_overhead = 0;
+ if (sbi->s_overhead == 0) {
err = ext4_calculate_overhead(sb);
if (err)
goto failed_mount_wq;
@@ -5586,6 +5597,8 @@ static int ext4_fill_super(struct super_block *sb, struct fs_context *fc)
ext4_msg(sb, KERN_INFO, "mounted filesystem with%s. "
"Quota mode: %s.", descr, ext4_quota_mode(sb));

+ /* Update the s_overhead_clusters if necessary */
+ ext4_update_overhead(sb);
return 0;

free_sbi:
diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c
index 3b34bb24d0af..801ad9f4f2be 100644
--- a/fs/gfs2/rgrp.c
+++ b/fs/gfs2/rgrp.c
@@ -923,15 +923,15 @@ static int read_rindex_entry(struct gfs2_inode *ip)
spin_lock_init(&rgd->rd_rsspin);
mutex_init(&rgd->rd_mutex);

- error = compute_bitstructs(rgd);
- if (error)
- goto fail;
-
error = gfs2_glock_get(sdp, rgd->rd_addr,
&gfs2_rgrp_glops, CREATE, &rgd->rd_gl);
if (error)
goto fail;

+ error = compute_bitstructs(rgd);
+ if (error)
+ goto fail_glock;
+
rgd->rd_rgl = (struct gfs2_rgrp_lvb *)rgd->rd_gl->gl_lksb.sb_lvbptr;
rgd->rd_flags &= ~GFS2_RDF_PREFERRED;
if (rgd->rd_data > sdp->sd_max_rg_data)
@@ -945,6 +945,7 @@ static int read_rindex_entry(struct gfs2_inode *ip)
}

error = 0; /* someone else read in the rgrp; free it and ignore it */
+fail_glock:
gfs2_glock_put(rgd->rd_gl);

fail:
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index a7c6c7498be0..ed85051b1275 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -206,7 +206,7 @@ hugetlb_get_unmapped_area_bottomup(struct file *file, unsigned long addr,
info.flags = 0;
info.length = len;
info.low_limit = current->mm->mmap_base;
- info.high_limit = TASK_SIZE;
+ info.high_limit = arch_get_mmap_end(addr);
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
info.align_offset = 0;
return vm_unmapped_area(&info);
@@ -222,7 +222,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
info.flags = VM_UNMAPPED_AREA_TOPDOWN;
info.length = len;
info.low_limit = max(PAGE_SIZE, mmap_min_addr);
- info.high_limit = current->mm->mmap_base;
+ info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base);
info.align_mask = PAGE_MASK & ~huge_page_mask(h);
info.align_offset = 0;
addr = vm_unmapped_area(&info);
@@ -237,7 +237,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr,
VM_BUG_ON(addr != -ENOMEM);
info.flags = 0;
info.low_limit = current->mm->mmap_base;
- info.high_limit = TASK_SIZE;
+ info.high_limit = arch_get_mmap_end(addr);
addr = vm_unmapped_area(&info);
}

@@ -251,6 +251,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
struct mm_struct *mm = current->mm;
struct vm_area_struct *vma;
struct hstate *h = hstate_file(file);
+ const unsigned long mmap_end = arch_get_mmap_end(addr);

if (len & ~huge_page_mask(h))
return -EINVAL;
@@ -266,7 +267,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr,
if (addr) {
addr = ALIGN(addr, huge_page_size(h));
vma = find_vma(mm, addr);
- if (TASK_SIZE - len >= addr &&
+ if (mmap_end - len >= addr &&
(!vma || addr + len <= vm_start_gap(vma)))
return addr;
}
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 619c67fd456d..fbba8342172a 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -2612,11 +2612,10 @@ static int io_do_iopoll(struct io_ring_ctx *ctx, bool force_nonspin)
/* order with io_complete_rw_iopoll(), e.g. ->result updates */
if (!smp_load_acquire(&req->iopoll_completed))
break;
+ nr_events++;
if (unlikely(req->flags & REQ_F_CQE_SKIP))
continue;
-
__io_fill_cqe(ctx, req->user_data, req->result, io_put_kbuf(req));
- nr_events++;
}

if (unlikely(!nr_events))
@@ -3622,8 +3621,10 @@ static int io_read(struct io_kiocb *req, unsigned int issue_flags)
iovec = NULL;
}
ret = io_rw_init_file(req, FMODE_READ);
- if (unlikely(ret))
+ if (unlikely(ret)) {
+ kfree(iovec);
return ret;
+ }
req->result = iov_iter_count(&s->iter);

if (force_nonblock) {
@@ -3742,8 +3743,10 @@ static int io_write(struct io_kiocb *req, unsigned int issue_flags)
iovec = NULL;
}
ret = io_rw_init_file(req, FMODE_WRITE);
- if (unlikely(ret))
+ if (unlikely(ret)) {
+ kfree(iovec);
return ret;
+ }
req->result = iov_iter_count(&s->iter);

if (force_nonblock) {
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 5b9408e3b370..ac7f067b7bdd 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -488,7 +488,6 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd2_journal_wait_updates(journal);

commit_transaction->t_state = T_SWITCH;
- write_unlock(&journal->j_state_lock);

J_ASSERT (atomic_read(&commit_transaction->t_outstanding_credits) <=
journal->j_max_transaction_buffers);
@@ -508,6 +507,8 @@ void jbd2_journal_commit_transaction(journal_t *journal)
* has reserved. This is consistent with the existing behaviour
* that multiple jbd2_journal_get_write_access() calls to the same
* buffer are perfectly permissible.
+ * We use journal->j_state_lock here to serialize processing of
+ * t_reserved_list with eviction of buffers from journal_unmap_buffer().
*/
while (commit_transaction->t_reserved_list) {
jh = commit_transaction->t_reserved_list;
@@ -527,6 +528,7 @@ void jbd2_journal_commit_transaction(journal_t *journal)
jbd2_journal_refile_buffer(journal, jh);
}

+ write_unlock(&journal->j_state_lock);
/*
* Now try to drop any written-back buffers from the journal's
* checkpoint lists. We do this *before* commit because it potentially
diff --git a/fs/namei.c b/fs/namei.c
index 3f1829b3ab5b..509657fdf4f5 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3673,18 +3673,14 @@ static struct dentry *filename_create(int dfd, struct filename *name,
{
struct dentry *dentry = ERR_PTR(-EEXIST);
struct qstr last;
+ bool want_dir = lookup_flags & LOOKUP_DIRECTORY;
+ unsigned int reval_flag = lookup_flags & LOOKUP_REVAL;
+ unsigned int create_flags = LOOKUP_CREATE | LOOKUP_EXCL;
int type;
int err2;
int error;
- bool is_dir = (lookup_flags & LOOKUP_DIRECTORY);

- /*
- * Note that only LOOKUP_REVAL and LOOKUP_DIRECTORY matter here. Any
- * other flags passed in are ignored!
- */
- lookup_flags &= LOOKUP_REVAL;
-
- error = filename_parentat(dfd, name, lookup_flags, path, &last, &type);
+ error = filename_parentat(dfd, name, reval_flag, path, &last, &type);
if (error)
return ERR_PTR(error);

@@ -3698,11 +3694,13 @@ static struct dentry *filename_create(int dfd, struct filename *name,
/* don't fail immediately if it's r/o, at least try to report other errors */
err2 = mnt_want_write(path->mnt);
/*
- * Do the final lookup.
+ * Do the final lookup. Suppress 'create' if there is a trailing
+ * '/', and a directory wasn't requested.
*/
- lookup_flags |= LOOKUP_CREATE | LOOKUP_EXCL;
+ if (last.name[last.len] && !want_dir)
+ create_flags = 0;
inode_lock_nested(path->dentry->d_inode, I_MUTEX_PARENT);
- dentry = __lookup_hash(&last, path->dentry, lookup_flags);
+ dentry = __lookup_hash(&last, path->dentry, reval_flag | create_flags);
if (IS_ERR(dentry))
goto unlock;

@@ -3716,7 +3714,7 @@ static struct dentry *filename_create(int dfd, struct filename *name,
* all is fine. Let's be bastards - you had / on the end, you've
* been asking for (non-existent) directory. -ENOENT for you.
*/
- if (unlikely(!is_dir && last.name[last.len])) {
+ if (unlikely(!create_flags)) {
error = -ENOENT;
goto fail;
}
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 80acb6885cf9..962d32468eb4 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -759,9 +759,14 @@ static void posix_acl_fix_xattr_userns(
}

void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size)
{
struct user_namespace *user_ns = current_user_ns();
+
+ /* Leave ids untouched on non-idmapped mounts. */
+ if (no_idmapping(mnt_userns, i_user_ns(inode)))
+ mnt_userns = &init_user_ns;
if ((user_ns == &init_user_ns) && (mnt_userns == &init_user_ns))
return;
posix_acl_fix_xattr_userns(&init_user_ns, user_ns, mnt_userns, value,
@@ -769,9 +774,14 @@ void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
}

void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size)
{
struct user_namespace *user_ns = current_user_ns();
+
+ /* Leave ids untouched on non-idmapped mounts. */
+ if (no_idmapping(mnt_userns, i_user_ns(inode)))
+ mnt_userns = &init_user_ns;
if ((user_ns == &init_user_ns) && (mnt_userns == &init_user_ns))
return;
posix_acl_fix_xattr_userns(user_ns, &init_user_ns, mnt_userns, value,
diff --git a/fs/stat.c b/fs/stat.c
index 28d2020ba1f4..246d138ec066 100644
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -334,9 +334,6 @@ SYSCALL_DEFINE2(fstat, unsigned int, fd, struct __old_kernel_stat __user *, stat
# define choose_32_64(a,b) b
#endif

-#define valid_dev(x) choose_32_64(old_valid_dev(x),true)
-#define encode_dev(x) choose_32_64(old_encode_dev,new_encode_dev)(x)
-
#ifndef INIT_STRUCT_STAT_PADDING
# define INIT_STRUCT_STAT_PADDING(st) memset(&st, 0, sizeof(st))
#endif
@@ -345,7 +342,9 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
{
struct stat tmp;

- if (!valid_dev(stat->dev) || !valid_dev(stat->rdev))
+ if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+ return -EOVERFLOW;
+ if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
return -EOVERFLOW;
#if BITS_PER_LONG == 32
if (stat->size > MAX_NON_LFS)
@@ -353,7 +352,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
#endif

INIT_STRUCT_STAT_PADDING(tmp);
- tmp.st_dev = encode_dev(stat->dev);
+ tmp.st_dev = new_encode_dev(stat->dev);
tmp.st_ino = stat->ino;
if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
return -EOVERFLOW;
@@ -363,7 +362,7 @@ static int cp_new_stat(struct kstat *stat, struct stat __user *statbuf)
return -EOVERFLOW;
SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
- tmp.st_rdev = encode_dev(stat->rdev);
+ tmp.st_rdev = new_encode_dev(stat->rdev);
tmp.st_size = stat->size;
tmp.st_atime = stat->atime.tv_sec;
tmp.st_mtime = stat->mtime.tv_sec;
@@ -644,11 +643,13 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
{
struct compat_stat tmp;

- if (!old_valid_dev(stat->dev) || !old_valid_dev(stat->rdev))
+ if (sizeof(tmp.st_dev) < 4 && !old_valid_dev(stat->dev))
+ return -EOVERFLOW;
+ if (sizeof(tmp.st_rdev) < 4 && !old_valid_dev(stat->rdev))
return -EOVERFLOW;

memset(&tmp, 0, sizeof(tmp));
- tmp.st_dev = old_encode_dev(stat->dev);
+ tmp.st_dev = new_encode_dev(stat->dev);
tmp.st_ino = stat->ino;
if (sizeof(tmp.st_ino) < sizeof(stat->ino) && tmp.st_ino != stat->ino)
return -EOVERFLOW;
@@ -658,7 +659,7 @@ static int cp_compat_stat(struct kstat *stat, struct compat_stat __user *ubuf)
return -EOVERFLOW;
SET_UID(tmp.st_uid, from_kuid_munged(current_user_ns(), stat->uid));
SET_GID(tmp.st_gid, from_kgid_munged(current_user_ns(), stat->gid));
- tmp.st_rdev = old_encode_dev(stat->rdev);
+ tmp.st_rdev = new_encode_dev(stat->rdev);
if ((u64) stat->size > MAX_NON_LFS)
return -EOVERFLOW;
tmp.st_size = stat->size;
diff --git a/fs/xattr.c b/fs/xattr.c
index 5c8c5175b385..998045165916 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -569,7 +569,8 @@ setxattr(struct user_namespace *mnt_userns, struct dentry *d,
}
if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
(strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
- posix_acl_fix_xattr_from_user(mnt_userns, kvalue, size);
+ posix_acl_fix_xattr_from_user(mnt_userns, d_inode(d),
+ kvalue, size);
}

error = vfs_setxattr(mnt_userns, d, kname, kvalue, size, flags);
@@ -667,7 +668,8 @@ getxattr(struct user_namespace *mnt_userns, struct dentry *d,
if (error > 0) {
if ((strcmp(kname, XATTR_NAME_POSIX_ACL_ACCESS) == 0) ||
(strcmp(kname, XATTR_NAME_POSIX_ACL_DEFAULT) == 0))
- posix_acl_fix_xattr_to_user(mnt_userns, kvalue, error);
+ posix_acl_fix_xattr_to_user(mnt_userns, d_inode(d),
+ kvalue, error);
if (size && copy_to_user(value, kvalue, error))
error = -EFAULT;
} else if (error == -ERANGE && size >= XATTR_SIZE_MAX) {
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 2ad71cc90b37..92b10e67d5f8 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -134,7 +134,7 @@ static inline bool is_multicast_ether_addr(const u8 *addr)
#endif
}

-static inline bool is_multicast_ether_addr_64bits(const u8 addr[6+2])
+static inline bool is_multicast_ether_addr_64bits(const u8 *addr)
{
#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
#ifdef __BIG_ENDIAN
@@ -372,8 +372,7 @@ static inline bool ether_addr_equal(const u8 *addr1, const u8 *addr2)
* Please note that alignment of addr1 & addr2 are only guaranteed to be 16 bits.
*/

-static inline bool ether_addr_equal_64bits(const u8 addr1[6+2],
- const u8 addr2[6+2])
+static inline bool ether_addr_equal_64bits(const u8 *addr1, const u8 *addr2)
{
#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) && BITS_PER_LONG == 64
u64 fold = (*(const u64 *)addr1) ^ (*(const u64 *)addr2);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 0abbd685703b..a1fcf5749347 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -999,6 +999,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
}

void mem_cgroup_flush_stats(void);
+void mem_cgroup_flush_stats_delayed(void);

void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
int val);
@@ -1442,6 +1443,10 @@ static inline void mem_cgroup_flush_stats(void)
{
}

+static inline void mem_cgroup_flush_stats_delayed(void)
+{
+}
+
static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec,
enum node_stat_item idx, int val)
{
diff --git a/include/linux/posix_acl_xattr.h b/include/linux/posix_acl_xattr.h
index 060e8d203181..1766e1de6956 100644
--- a/include/linux/posix_acl_xattr.h
+++ b/include/linux/posix_acl_xattr.h
@@ -34,15 +34,19 @@ posix_acl_xattr_count(size_t size)

#ifdef CONFIG_FS_POSIX_ACL
void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size);
void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size);
#else
static inline void posix_acl_fix_xattr_from_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size)
{
}
static inline void posix_acl_fix_xattr_to_user(struct user_namespace *mnt_userns,
+ struct inode *inode,
void *value, size_t size)
{
}
diff --git a/include/linux/sched.h b/include/linux/sched.h
index e806326eca72..4b4cc633b266 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1440,6 +1440,7 @@ struct task_struct {
int pagefault_disabled;
#ifdef CONFIG_MMU
struct task_struct *oom_reaper_list;
+ struct timer_list oom_reaper_timer;
#endif
#ifdef CONFIG_VMAP_STACK
struct vm_struct *stack_vm_area;
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index aa5f09ca5bcf..0ee0515d5a17 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -135,6 +135,14 @@ static inline void mm_update_next_owner(struct mm_struct *mm)
#endif /* CONFIG_MEMCG */

#ifdef CONFIG_MMU
+#ifndef arch_get_mmap_end
+#define arch_get_mmap_end(addr) (TASK_SIZE)
+#endif
+
+#ifndef arch_get_mmap_base
+#define arch_get_mmap_base(addr, base) (base)
+#endif
+
extern void arch_pick_mmap_layout(struct mm_struct *mm,
struct rlimit *rlim_stack);
extern unsigned long
diff --git a/include/net/esp.h b/include/net/esp.h
index 90cd02ff77ef..9c5637d41d95 100644
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -4,8 +4,6 @@

#include <linux/skbuff.h>

-#define ESP_SKB_FRAG_MAXSIZE (PAGE_SIZE << SKB_FRAG_PAGE_ORDER)
-
struct ip_esp_hdr;

static inline struct ip_esp_hdr *ip_esp_hdr(const struct sk_buff *skb)
diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h
index 6bd7e5a85ce7..ff82983b7ab4 100644
--- a/include/net/netns/ipv6.h
+++ b/include/net/netns/ipv6.h
@@ -75,8 +75,8 @@ struct netns_ipv6 {
struct list_head fib6_walkers;
rwlock_t fib6_walker_lock;
spinlock_t fib6_gc_lock;
- unsigned int ip6_rt_gc_expire;
- unsigned long ip6_rt_last_gc;
+ atomic_t ip6_rt_gc_expire;
+ unsigned long ip6_rt_last_gc;
unsigned char flowlabel_has_excl;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
bool fib6_has_custom_rules;
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 4ee233e5a6ff..d1e282f0d6f1 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -52,8 +52,10 @@ enum {

#define ISID_SIZE 6

-/* Connection suspend "bit" */
-#define ISCSI_SUSPEND_BIT 1
+/* Connection flags */
+#define ISCSI_CONN_FLAG_SUSPEND_TX BIT(0)
+#define ISCSI_CONN_FLAG_SUSPEND_RX BIT(1)
+#define ISCSI_CONN_FLAG_BOUND BIT(2)

#define ISCSI_ITT_MASK 0x1fff
#define ISCSI_TOTAL_CMDS_MAX 4096
@@ -199,8 +201,7 @@ struct iscsi_conn {
struct list_head cmdqueue; /* data-path cmd queue */
struct list_head requeue; /* tasks needing another run */
struct work_struct xmitwork; /* per-conn. xmit workqueue */
- unsigned long suspend_tx; /* suspend Tx */
- unsigned long suspend_rx; /* suspend Rx */
+ unsigned long flags; /* ISCSI_CONN_FLAGs */

/* negotiated params */
unsigned max_recv_dlength; /* initiator_max_recv_dsl*/
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 037c77fb5dc5..3ecf9702287b 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -296,7 +296,7 @@ extern void iscsi_host_for_each_session(struct Scsi_Host *shost,
struct iscsi_endpoint {
void *dd_data; /* LLD private data */
struct device dev;
- uint64_t id;
+ int id;
struct iscsi_cls_conn *conn;
};

diff --git a/kernel/events/core.c b/kernel/events/core.c
index 0ee9ffceb976..baa0fe350246 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -6352,7 +6352,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
again:
mutex_lock(&event->mmap_mutex);
if (event->rb) {
- if (event->rb->nr_pages != nr_pages) {
+ if (data_page_nr(event->rb) != nr_pages) {
ret = -EINVAL;
goto unlock;
}
diff --git a/kernel/events/internal.h b/kernel/events/internal.h
index 082832738c8f..5150d5f84c03 100644
--- a/kernel/events/internal.h
+++ b/kernel/events/internal.h
@@ -116,6 +116,11 @@ static inline int page_order(struct perf_buffer *rb)
}
#endif

+static inline int data_page_nr(struct perf_buffer *rb)
+{
+ return rb->nr_pages << page_order(rb);
+}
+
static inline unsigned long perf_data_size(struct perf_buffer *rb)
{
return rb->nr_pages << (PAGE_SHIFT + page_order(rb));
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c
index 52868716ec35..fb35b926024c 100644
--- a/kernel/events/ring_buffer.c
+++ b/kernel/events/ring_buffer.c
@@ -859,11 +859,6 @@ void rb_free(struct perf_buffer *rb)
}

#else
-static int data_page_nr(struct perf_buffer *rb)
-{
- return rb->nr_pages << page_order(rb);
-}
-
static struct page *
__perf_mmap_to_page(struct perf_buffer *rb, unsigned long pgoff)
{
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index f7df715ec28e..7afa40fe5cc4 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -137,7 +137,7 @@ bool irq_work_queue_on(struct irq_work *work, int cpu)
if (!irq_work_claim(work))
return false;

- kasan_record_aux_stack(work);
+ kasan_record_aux_stack_noalloc(work);

preempt_disable();
if (cpu != smp_processor_id()) {
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index cddcf2f4f525..2f461f059278 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -3776,11 +3776,11 @@ static void attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s

se->avg.runnable_sum = se->avg.runnable_avg * divider;

- se->avg.load_sum = divider;
- if (se_weight(se)) {
- se->avg.load_sum =
- div_u64(se->avg.load_avg * se->avg.load_sum, se_weight(se));
- }
+ se->avg.load_sum = se->avg.load_avg * divider;
+ if (se_weight(se) < se->avg.load_sum)
+ se->avg.load_sum = div_u64(se->avg.load_sum, se_weight(se));
+ else
+ se->avg.load_sum = 1;

enqueue_load_avg(cfs_rq, se);
cfs_rq->avg.util_avg += se->avg.util_avg;
diff --git a/lib/xarray.c b/lib/xarray.c
index 88ca87435e3d..32e1669d5b64 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -207,6 +207,8 @@ static void *xas_descend(struct xa_state *xas, struct xa_node *node)
if (xa_is_sibling(entry)) {
offset = xa_to_sibling(entry);
entry = xa_entry(xas->xa, node, offset);
+ if (node->shift && xa_is_node(entry))
+ entry = XA_RETRY_ENTRY;
}

xas->xa_offset = offset;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 9b89a340a662..563100f2a693 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -628,6 +628,9 @@ static DECLARE_DEFERRABLE_WORK(stats_flush_dwork, flush_memcg_stats_dwork);
static DEFINE_SPINLOCK(stats_flush_lock);
static DEFINE_PER_CPU(unsigned int, stats_updates);
static atomic_t stats_flush_threshold = ATOMIC_INIT(0);
+static u64 flush_next_time;
+
+#define FLUSH_TIME (2UL*HZ)

static inline void memcg_rstat_updated(struct mem_cgroup *memcg, int val)
{
@@ -649,6 +652,7 @@ static void __mem_cgroup_flush_stats(void)
if (!spin_trylock_irqsave(&stats_flush_lock, flag))
return;

+ flush_next_time = jiffies_64 + 2*FLUSH_TIME;
cgroup_rstat_flush_irqsafe(root_mem_cgroup->css.cgroup);
atomic_set(&stats_flush_threshold, 0);
spin_unlock_irqrestore(&stats_flush_lock, flag);
@@ -660,10 +664,16 @@ void mem_cgroup_flush_stats(void)
__mem_cgroup_flush_stats();
}

+void mem_cgroup_flush_stats_delayed(void)
+{
+ if (time_after64(jiffies_64, flush_next_time))
+ mem_cgroup_flush_stats();
+}
+
static void flush_memcg_stats_dwork(struct work_struct *w)
{
__mem_cgroup_flush_stats();
- queue_delayed_work(system_unbound_wq, &stats_flush_dwork, 2UL*HZ);
+ queue_delayed_work(system_unbound_wq, &stats_flush_dwork, FLUSH_TIME);
}

/**
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 97a9ed8f87a9..15dcedbc1730 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1779,6 +1779,19 @@ int memory_failure(unsigned long pfn, int flags)
}

if (PageTransHuge(hpage)) {
+ /*
+ * Bail out before SetPageHasHWPoisoned() if hpage is
+ * huge_zero_page, although PG_has_hwpoisoned is not
+ * checked in set_huge_zero_page().
+ *
+ * TODO: Handle memory failure of huge_zero_page thoroughly.
+ */
+ if (is_huge_zero_page(hpage)) {
+ action_result(pfn, MF_MSG_UNSPLIT_THP, MF_IGNORED);
+ res = -EBUSY;
+ goto unlock_mutex;
+ }
+
/*
* The flag must be set after the refcount is bumped
* otherwise it may race with THP split.
diff --git a/mm/mmap.c b/mm/mmap.c
index 18875c216f8d..eb39f17cb86e 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -2119,14 +2119,6 @@ unsigned long vm_unmapped_area(struct vm_unmapped_area_info *info)
return addr;
}

-#ifndef arch_get_mmap_end
-#define arch_get_mmap_end(addr) (TASK_SIZE)
-#endif
-
-#ifndef arch_get_mmap_base
-#define arch_get_mmap_base(addr, base) (base)
-#endif
-
/* Get an address range which is currently unmapped.
* For shmat() with addr=0.
*
diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 459d195d2ff6..f45ff1b7626a 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -1036,6 +1036,18 @@ int mmu_interval_notifier_insert_locked(
}
EXPORT_SYMBOL_GPL(mmu_interval_notifier_insert_locked);

+static bool
+mmu_interval_seq_released(struct mmu_notifier_subscriptions *subscriptions,
+ unsigned long seq)
+{
+ bool ret;
+
+ spin_lock(&subscriptions->lock);
+ ret = subscriptions->invalidate_seq != seq;
+ spin_unlock(&subscriptions->lock);
+ return ret;
+}
+
/**
* mmu_interval_notifier_remove - Remove a interval notifier
* @interval_sub: Interval subscription to unregister
@@ -1083,7 +1095,7 @@ void mmu_interval_notifier_remove(struct mmu_interval_notifier *interval_sub)
lock_map_release(&__mmu_notifier_invalidate_range_start_map);
if (seq)
wait_event(subscriptions->wq,
- READ_ONCE(subscriptions->invalidate_seq) != seq);
+ mmu_interval_seq_released(subscriptions, seq));

/* pairs with mmgrab in mmu_interval_notifier_insert() */
mmdrop(mm);
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 832fb330376e..a6bc4a6786ec 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -635,7 +635,7 @@ static void oom_reap_task(struct task_struct *tsk)
*/
set_bit(MMF_OOM_SKIP, &mm->flags);

- /* Drop a reference taken by wake_oom_reaper */
+ /* Drop a reference taken by queue_oom_reaper */
put_task_struct(tsk);
}

@@ -647,12 +647,12 @@ static int oom_reaper(void *unused)
struct task_struct *tsk = NULL;

wait_event_freezable(oom_reaper_wait, oom_reaper_list != NULL);
- spin_lock(&oom_reaper_lock);
+ spin_lock_irq(&oom_reaper_lock);
if (oom_reaper_list != NULL) {
tsk = oom_reaper_list;
oom_reaper_list = tsk->oom_reaper_list;
}
- spin_unlock(&oom_reaper_lock);
+ spin_unlock_irq(&oom_reaper_lock);

if (tsk)
oom_reap_task(tsk);
@@ -661,22 +661,48 @@ static int oom_reaper(void *unused)
return 0;
}

-static void wake_oom_reaper(struct task_struct *tsk)
+static void wake_oom_reaper(struct timer_list *timer)
{
- /* mm is already queued? */
- if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags))
- return;
+ struct task_struct *tsk = container_of(timer, struct task_struct,
+ oom_reaper_timer);
+ struct mm_struct *mm = tsk->signal->oom_mm;
+ unsigned long flags;

- get_task_struct(tsk);
+ /* The victim managed to terminate on its own - see exit_mmap */
+ if (test_bit(MMF_OOM_SKIP, &mm->flags)) {
+ put_task_struct(tsk);
+ return;
+ }

- spin_lock(&oom_reaper_lock);
+ spin_lock_irqsave(&oom_reaper_lock, flags);
tsk->oom_reaper_list = oom_reaper_list;
oom_reaper_list = tsk;
- spin_unlock(&oom_reaper_lock);
+ spin_unlock_irqrestore(&oom_reaper_lock, flags);
trace_wake_reaper(tsk->pid);
wake_up(&oom_reaper_wait);
}

+/*
+ * Give the OOM victim time to exit naturally before invoking the oom_reaping.
+ * The timers timeout is arbitrary... the longer it is, the longer the worst
+ * case scenario for the OOM can take. If it is too small, the oom_reaper can
+ * get in the way and release resources needed by the process exit path.
+ * e.g. The futex robust list can sit in Anon|Private memory that gets reaped
+ * before the exit path is able to wake the futex waiters.
+ */
+#define OOM_REAPER_DELAY (2*HZ)
+static void queue_oom_reaper(struct task_struct *tsk)
+{
+ /* mm is already queued? */
+ if (test_and_set_bit(MMF_OOM_REAP_QUEUED, &tsk->signal->oom_mm->flags))
+ return;
+
+ get_task_struct(tsk);
+ timer_setup(&tsk->oom_reaper_timer, wake_oom_reaper, 0);
+ tsk->oom_reaper_timer.expires = jiffies + OOM_REAPER_DELAY;
+ add_timer(&tsk->oom_reaper_timer);
+}
+
static int __init oom_init(void)
{
oom_reaper_th = kthread_run(oom_reaper, NULL, "oom_reaper");
@@ -684,7 +710,7 @@ static int __init oom_init(void)
}
subsys_initcall(oom_init)
#else
-static inline void wake_oom_reaper(struct task_struct *tsk)
+static inline void queue_oom_reaper(struct task_struct *tsk)
{
}
#endif /* CONFIG_MMU */
@@ -935,7 +961,7 @@ static void __oom_kill_process(struct task_struct *victim, const char *message)
rcu_read_unlock();

if (can_oom_reap)
- wake_oom_reaper(victim);
+ queue_oom_reaper(victim);

mmdrop(mm);
put_task_struct(victim);
@@ -971,7 +997,7 @@ static void oom_kill_process(struct oom_control *oc, const char *message)
task_lock(victim);
if (task_will_free_mem(victim)) {
mark_oom_victim(victim);
- wake_oom_reaper(victim);
+ queue_oom_reaper(victim);
task_unlock(victim);
put_task_struct(victim);
return;
@@ -1070,7 +1096,7 @@ bool out_of_memory(struct oom_control *oc)
*/
if (task_will_free_mem(current)) {
mark_oom_victim(current);
- wake_oom_reaper(current);
+ queue_oom_reaper(current);
return true;
}

diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 0780c2a57ff1..885e5adb0168 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -72,12 +72,15 @@ int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd,
_dst_pte = pte_mkdirty(_dst_pte);
if (page_in_cache && !vm_shared)
writable = false;
- if (writable) {
- if (wp_copy)
- _dst_pte = pte_mkuffd_wp(_dst_pte);
- else
- _dst_pte = pte_mkwrite(_dst_pte);
- }
+
+ /*
+ * Always mark a PTE as write-protected when needed, regardless of
+ * VM_WRITE, which the user might change.
+ */
+ if (wp_copy)
+ _dst_pte = pte_mkuffd_wp(_dst_pte);
+ else if (writable)
+ _dst_pte = pte_mkwrite(_dst_pte);

dst_pte = pte_offset_map_lock(dst_mm, dst_pmd, dst_addr, &ptl);

diff --git a/mm/workingset.c b/mm/workingset.c
index 8c03afe1d67c..f66a18d1deaa 100644
--- a/mm/workingset.c
+++ b/mm/workingset.c
@@ -354,7 +354,7 @@ void workingset_refault(struct folio *folio, void *shadow)

mod_lruvec_state(lruvec, WORKINGSET_REFAULT_BASE + file, nr);

- mem_cgroup_flush_stats();
+ mem_cgroup_flush_stats_delayed();
/*
* Compare the distance to the existing workingset size. We
* don't activate pages that couldn't stay resident even if
diff --git a/net/can/isotp.c b/net/can/isotp.c
index 5bce7c66c121..8c753dcefe7f 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -866,6 +866,7 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
struct canfd_frame *cf;
int ae = (so->opt.flags & CAN_ISOTP_EXTEND_ADDR) ? 1 : 0;
int wait_tx_done = (so->opt.flags & CAN_ISOTP_WAIT_TX_DONE) ? 1 : 0;
+ s64 hrtimer_sec = 0;
int off;
int err;

@@ -964,7 +965,9 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
isotp_create_fframe(cf, so, ae);

/* start timeout for FC */
- hrtimer_start(&so->txtimer, ktime_set(1, 0), HRTIMER_MODE_REL_SOFT);
+ hrtimer_sec = 1;
+ hrtimer_start(&so->txtimer, ktime_set(hrtimer_sec, 0),
+ HRTIMER_MODE_REL_SOFT);
}

/* send the first or only CAN frame */
@@ -977,6 +980,11 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
if (err) {
pr_notice_once("can-isotp: %s: can_send_ret %pe\n",
__func__, ERR_PTR(err));
+
+ /* no transmission -> no timeout monitoring */
+ if (hrtimer_sec)
+ hrtimer_cancel(&so->txtimer);
+
goto err_out_drop;
}

diff --git a/net/dsa/tag_hellcreek.c b/net/dsa/tag_hellcreek.c
index f64b805303cd..eb204ad36eee 100644
--- a/net/dsa/tag_hellcreek.c
+++ b/net/dsa/tag_hellcreek.c
@@ -21,6 +21,14 @@ static struct sk_buff *hellcreek_xmit(struct sk_buff *skb,
struct dsa_port *dp = dsa_slave_to_port(dev);
u8 *tag;

+ /* Calculate checksums (if required) before adding the trailer tag to
+ * avoid including it in calculations. That would lead to wrong
+ * checksums after the switch strips the tag.
+ */
+ if (skb->ip_summed == CHECKSUM_PARTIAL &&
+ skb_checksum_help(skb))
+ return NULL;
+
/* Tag encoding */
tag = skb_put(skb, HELLCREEK_TAG_LEN);
*tag = BIT(dp->index);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 70e6c87fbe3d..d747166bb291 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -446,7 +446,6 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
struct page *page;
struct sk_buff *trailer;
int tailen = esp->tailen;
- unsigned int allocsz;

/* this is non-NULL only with TCP/UDP Encapsulation */
if (x->encap) {
@@ -456,8 +455,8 @@ int esp_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
return err;
}

- allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
- if (allocsz > ESP_SKB_FRAG_MAXSIZE)
+ if (ALIGN(tailen, L1_CACHE_BYTES) > PAGE_SIZE ||
+ ALIGN(skb->data_len, L1_CACHE_BYTES) > PAGE_SIZE)
goto cow;

if (!skb_cloned(skb)) {
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 55d604c9b3b3..f2120e92caf1 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -482,7 +482,6 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
struct page *page;
struct sk_buff *trailer;
int tailen = esp->tailen;
- unsigned int allocsz;

if (x->encap) {
int err = esp6_output_encap(x, skb, esp);
@@ -491,8 +490,8 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
return err;
}

- allocsz = ALIGN(skb->data_len + tailen, L1_CACHE_BYTES);
- if (allocsz > ESP_SKB_FRAG_MAXSIZE)
+ if (ALIGN(tailen, L1_CACHE_BYTES) > PAGE_SIZE ||
+ ALIGN(skb->data_len, L1_CACHE_BYTES) > PAGE_SIZE)
goto cow;

if (!skb_cloned(skb)) {
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 8753e9cec326..976236736146 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -733,9 +733,6 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
else
fl6->daddr = tunnel->parms.raddr;

- if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen))
- return -ENOMEM;
-
/* Push GRE header. */
protocol = (dev->type == ARPHRD_ETHER) ? htons(ETH_P_TEB) : proto;

@@ -743,6 +740,7 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
struct ip_tunnel_info *tun_info;
const struct ip_tunnel_key *key;
__be16 flags;
+ int tun_hlen;

tun_info = skb_tunnel_info_txcheck(skb);
if (IS_ERR(tun_info) ||
@@ -760,9 +758,12 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
dsfield = key->tos;
flags = key->tun_flags &
(TUNNEL_CSUM | TUNNEL_KEY | TUNNEL_SEQ);
- tunnel->tun_hlen = gre_calc_hlen(flags);
+ tun_hlen = gre_calc_hlen(flags);

- gre_build_header(skb, tunnel->tun_hlen,
+ if (skb_cow_head(skb, dev->needed_headroom ?: tun_hlen + tunnel->encap_hlen))
+ return -ENOMEM;
+
+ gre_build_header(skb, tun_hlen,
flags, protocol,
tunnel_id_to_key32(tun_info->key.tun_id),
(flags & TUNNEL_SEQ) ? htonl(tunnel->o_seqno++)
@@ -772,6 +773,9 @@ static netdev_tx_t __gre6_xmit(struct sk_buff *skb,
if (tunnel->parms.o_flags & TUNNEL_SEQ)
tunnel->o_seqno++;

+ if (skb_cow_head(skb, dev->needed_headroom ?: tunnel->hlen))
+ return -ENOMEM;
+
gre_build_header(skb, tunnel->tun_hlen, tunnel->parms.o_flags,
protocol, tunnel->parms.o_key,
htonl(tunnel->o_seqno));
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index da1bf48e7937..1caeb1ef2095 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -3303,6 +3303,7 @@ static int ip6_dst_gc(struct dst_ops *ops)
int rt_elasticity = net->ipv6.sysctl.ip6_rt_gc_elasticity;
int rt_gc_timeout = net->ipv6.sysctl.ip6_rt_gc_timeout;
unsigned long rt_last_gc = net->ipv6.ip6_rt_last_gc;
+ unsigned int val;
int entries;

entries = dst_entries_get_fast(ops);
@@ -3313,13 +3314,13 @@ static int ip6_dst_gc(struct dst_ops *ops)
entries <= rt_max_size)
goto out;

- net->ipv6.ip6_rt_gc_expire++;
- fib6_run_gc(net->ipv6.ip6_rt_gc_expire, net, true);
+ fib6_run_gc(atomic_inc_return(&net->ipv6.ip6_rt_gc_expire), net, true);
entries = dst_entries_get_slow(ops);
if (entries < ops->gc_thresh)
- net->ipv6.ip6_rt_gc_expire = rt_gc_timeout>>1;
+ atomic_set(&net->ipv6.ip6_rt_gc_expire, rt_gc_timeout >> 1);
out:
- net->ipv6.ip6_rt_gc_expire -= net->ipv6.ip6_rt_gc_expire>>rt_elasticity;
+ val = atomic_read(&net->ipv6.ip6_rt_gc_expire);
+ atomic_set(&net->ipv6.ip6_rt_gc_expire, val - (val >> rt_elasticity));
return entries > rt_max_size;
}

@@ -6514,7 +6515,7 @@ static int __net_init ip6_route_net_init(struct net *net)
net->ipv6.sysctl.ip6_rt_min_advmss = IPV6_MIN_MTU - 20 - 40;
net->ipv6.sysctl.skip_notify_on_dev_down = 0;

- net->ipv6.ip6_rt_gc_expire = 30*HZ;
+ atomic_set(&net->ipv6.ip6_rt_gc_expire, 30*HZ);

ret = 0;
out:
diff --git a/net/l3mdev/l3mdev.c b/net/l3mdev/l3mdev.c
index 17927966abb3..8b14a24f1040 100644
--- a/net/l3mdev/l3mdev.c
+++ b/net/l3mdev/l3mdev.c
@@ -147,7 +147,7 @@ int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex)

dev = dev_get_by_index_rcu(net, ifindex);
while (dev && !netif_is_l3_master(dev))
- dev = netdev_master_upper_dev_get(dev);
+ dev = netdev_master_upper_dev_get_rcu(dev);

return dev ? dev->ifindex : 0;
}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 47a876ccd288..05a3795eac8e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2263,6 +2263,13 @@ static int netlink_dump(struct sock *sk)
* single netdev. The outcome is MSG_TRUNC error.
*/
skb_reserve(skb, skb_tailroom(skb) - alloc_size);
+
+ /* Make sure malicious BPF programs can not read unitialized memory
+ * from skb->head -> skb->data
+ */
+ skb_reset_network_header(skb);
+ skb_reset_mac_header(skb);
+
netlink_skb_set_owner_r(skb, sk);

if (nlk->dump_done_errno > 0) {
diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c
index c591b923016a..d77c21ff066c 100644
--- a/net/openvswitch/flow_netlink.c
+++ b/net/openvswitch/flow_netlink.c
@@ -2436,7 +2436,7 @@ static struct nlattr *reserve_sfa_size(struct sw_flow_actions **sfa,
new_acts_size = max(next_offset + req_size, ksize(*sfa) * 2);

if (new_acts_size > MAX_ACTIONS_BUFSIZE) {
- if ((MAX_ACTIONS_BUFSIZE - next_offset) < req_size) {
+ if ((next_offset + req_size) > MAX_ACTIONS_BUFSIZE) {
OVS_NLERR(log, "Flow action size exceeds max %u",
MAX_ACTIONS_BUFSIZE);
return ERR_PTR(-EMSGSIZE);
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index a7273af2d900..e3c60251e708 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2856,8 +2856,9 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)

status = TP_STATUS_SEND_REQUEST;
err = po->xmit(skb);
- if (unlikely(err > 0)) {
- err = net_xmit_errno(err);
+ if (unlikely(err != 0)) {
+ if (err > 0)
+ err = net_xmit_errno(err);
if (err && __packet_get_status(po, ph) ==
TP_STATUS_AVAILABLE) {
/* skb was destructed already */
@@ -3058,8 +3059,12 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
skb->no_fcs = 1;

err = po->xmit(skb);
- if (err > 0 && (err = net_xmit_errno(err)) != 0)
- goto out_unlock;
+ if (unlikely(err != 0)) {
+ if (err > 0)
+ err = net_xmit_errno(err);
+ if (err)
+ goto out_unlock;
+ }

dev_put(dev);

diff --git a/net/rxrpc/net_ns.c b/net/rxrpc/net_ns.c
index f15d6942da45..cc7e30733feb 100644
--- a/net/rxrpc/net_ns.c
+++ b/net/rxrpc/net_ns.c
@@ -113,7 +113,9 @@ static __net_exit void rxrpc_exit_net(struct net *net)
struct rxrpc_net *rxnet = rxrpc_net(net);

rxnet->live = false;
+ del_timer_sync(&rxnet->peer_keepalive_timer);
cancel_work_sync(&rxnet->peer_keepalive_work);
+ /* Remove the timer again as the worker may have restarted it. */
del_timer_sync(&rxnet->peer_keepalive_timer);
rxrpc_destroy_all_calls(rxnet);
rxrpc_destroy_all_connections(rxnet);
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index cf5649292ee0..4d27300c287c 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -386,14 +386,19 @@ static int u32_init(struct tcf_proto *tp)
return 0;
}

-static int u32_destroy_key(struct tc_u_knode *n, bool free_pf)
+static void __u32_destroy_key(struct tc_u_knode *n)
{
struct tc_u_hnode *ht = rtnl_dereference(n->ht_down);

tcf_exts_destroy(&n->exts);
- tcf_exts_put_net(&n->exts);
if (ht && --ht->refcnt == 0)
kfree(ht);
+ kfree(n);
+}
+
+static void u32_destroy_key(struct tc_u_knode *n, bool free_pf)
+{
+ tcf_exts_put_net(&n->exts);
#ifdef CONFIG_CLS_U32_PERF
if (free_pf)
free_percpu(n->pf);
@@ -402,8 +407,7 @@ static int u32_destroy_key(struct tc_u_knode *n, bool free_pf)
if (free_pf)
free_percpu(n->pcpu_success);
#endif
- kfree(n);
- return 0;
+ __u32_destroy_key(n);
}

/* u32_delete_key_rcu should be called when free'ing a copied
@@ -811,10 +815,6 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp,
new->flags = n->flags;
RCU_INIT_POINTER(new->ht_down, ht);

- /* bump reference count as long as we hold pointer to structure */
- if (ht)
- ht->refcnt++;
-
#ifdef CONFIG_CLS_U32_PERF
/* Statistics may be incremented by readers during update
* so we must keep them in tact. When the node is later destroyed
@@ -836,6 +836,10 @@ static struct tc_u_knode *u32_init_knode(struct net *net, struct tcf_proto *tp,
return NULL;
}

+ /* bump reference count as long as we hold pointer to structure */
+ if (ht)
+ ht->refcnt++;
+
return new;
}

@@ -900,13 +904,13 @@ static int u32_change(struct net *net, struct sk_buff *in_skb,
extack);

if (err) {
- u32_destroy_key(new, false);
+ __u32_destroy_key(new);
return err;
}

err = u32_replace_hw_knode(tp, new, flags, extack);
if (err) {
- u32_destroy_key(new, false);
+ __u32_destroy_key(new);
return err;
}

diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c
index 303c5e56e4df..68cd110722a4 100644
--- a/net/smc/af_smc.c
+++ b/net/smc/af_smc.c
@@ -2538,8 +2538,10 @@ static int smc_shutdown(struct socket *sock, int how)
if (smc->use_fallback) {
rc = kernel_sock_shutdown(smc->clcsock, how);
sk->sk_shutdown = smc->clcsock->sk->sk_shutdown;
- if (sk->sk_shutdown == SHUTDOWN_MASK)
+ if (sk->sk_shutdown == SHUTDOWN_MASK) {
sk->sk_state = SMC_CLOSED;
+ sock_put(sk);
+ }
goto out;
}
switch (how) {
diff --git a/sound/hda/intel-dsp-config.c b/sound/hda/intel-dsp-config.c
index 70fd8b13938e..8b0a16ba27d3 100644
--- a/sound/hda/intel-dsp-config.c
+++ b/sound/hda/intel-dsp-config.c
@@ -390,22 +390,36 @@ static const struct config_entry config_table[] = {

/* Alder Lake */
#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
+ /* Alderlake-S */
{
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
.device = 0x7ad0,
},
+ /* RaptorLake-S */
{
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
- .device = 0x51c8,
+ .device = 0x7a50,
},
+ /* Alderlake-P */
{
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
- .device = 0x51cc,
+ .device = 0x51c8,
},
{
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
.device = 0x51cd,
},
+ /* Alderlake-PS */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51c9,
+ },
+ /* Alderlake-M */
+ {
+ .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
+ .device = 0x51cc,
+ },
+ /* Alderlake-N */
{
.flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
.device = 0x54c8,
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index cf4f277dccdd..26637a695979 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1387,7 +1387,7 @@ static int hdmi_find_pcm_slot(struct hdmi_spec *spec,

last_try:
/* the last try; check the empty slots in pins */
- for (i = 0; i < spec->num_nids; i++) {
+ for (i = 0; i < spec->pcm_used; i++) {
if (!test_bit(i, &spec->pcm_bitmap))
return i;
}
@@ -2263,7 +2263,9 @@ static int generic_hdmi_build_pcms(struct hda_codec *codec)
* dev_num is the device entry number in a pin
*/

- if (codec->mst_no_extra_pcms)
+ if (spec->dyn_pcm_no_legacy && codec->mst_no_extra_pcms)
+ pcm_num = spec->num_cvts;
+ else if (codec->mst_no_extra_pcms)
pcm_num = spec->num_nids;
else
pcm_num = spec->num_nids + spec->dev_num - 1;
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index ca40c2bd8ba6..c66d31d8a498 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -9116,6 +9116,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1558, 0x8562, "Clevo NH[57][0-9]RZ[Q]", ALC269_FIXUP_DMIC),
SND_PCI_QUIRK(0x1558, 0x8668, "Clevo NP50B[BE]", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x866d, "Clevo NP5[05]PN[HJK]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x1558, 0x867c, "Clevo NP7[01]PNP", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x867d, "Clevo NP7[01]PN[HJK]", ALC256_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x8680, "Clevo NJ50LU", ALC293_FIXUP_SYSTEM76_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1558, 0x8686, "Clevo NH50[CZ]U", ALC256_FIXUP_MIC_NO_PRESENCE_AND_RESUME),
diff --git a/sound/soc/atmel/sam9g20_wm8731.c b/sound/soc/atmel/sam9g20_wm8731.c
index 33e43013ff77..0d639a33ad96 100644
--- a/sound/soc/atmel/sam9g20_wm8731.c
+++ b/sound/soc/atmel/sam9g20_wm8731.c
@@ -46,35 +46,6 @@
*/
#undef ENABLE_MIC_INPUT

-static struct clk *mclk;
-
-static int at91sam9g20ek_set_bias_level(struct snd_soc_card *card,
- struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level)
-{
- static int mclk_on;
- int ret = 0;
-
- switch (level) {
- case SND_SOC_BIAS_ON:
- case SND_SOC_BIAS_PREPARE:
- if (!mclk_on)
- ret = clk_enable(mclk);
- if (ret == 0)
- mclk_on = 1;
- break;
-
- case SND_SOC_BIAS_OFF:
- case SND_SOC_BIAS_STANDBY:
- if (mclk_on)
- clk_disable(mclk);
- mclk_on = 0;
- break;
- }
-
- return ret;
-}
-
static const struct snd_soc_dapm_widget at91sam9g20ek_dapm_widgets[] = {
SND_SOC_DAPM_MIC("Int Mic", NULL),
SND_SOC_DAPM_SPK("Ext Spk", NULL),
@@ -135,7 +106,6 @@ static struct snd_soc_card snd_soc_at91sam9g20ek = {
.owner = THIS_MODULE,
.dai_link = &at91sam9g20ek_dai,
.num_links = 1,
- .set_bias_level = at91sam9g20ek_set_bias_level,

.dapm_widgets = at91sam9g20ek_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(at91sam9g20ek_dapm_widgets),
@@ -148,7 +118,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct device_node *codec_np, *cpu_np;
- struct clk *pllb;
struct snd_soc_card *card = &snd_soc_at91sam9g20ek;
int ret;

@@ -162,31 +131,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)
return -EINVAL;
}

- /*
- * Codec MCLK is supplied by PCK0 - set it up.
- */
- mclk = clk_get(NULL, "pck0");
- if (IS_ERR(mclk)) {
- dev_err(&pdev->dev, "Failed to get MCLK\n");
- ret = PTR_ERR(mclk);
- goto err;
- }
-
- pllb = clk_get(NULL, "pllb");
- if (IS_ERR(pllb)) {
- dev_err(&pdev->dev, "Failed to get PLLB\n");
- ret = PTR_ERR(pllb);
- goto err_mclk;
- }
- ret = clk_set_parent(mclk, pllb);
- clk_put(pllb);
- if (ret != 0) {
- dev_err(&pdev->dev, "Failed to set MCLK parent\n");
- goto err_mclk;
- }
-
- clk_set_rate(mclk, MCLK_RATE);
-
card->dev = &pdev->dev;

/* Parse device node info */
@@ -230,9 +174,6 @@ static int at91sam9g20ek_audio_probe(struct platform_device *pdev)

return ret;

-err_mclk:
- clk_put(mclk);
- mclk = NULL;
err:
atmel_ssc_put_audio(0);
return ret;
@@ -242,8 +183,6 @@ static int at91sam9g20ek_audio_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);

- clk_disable(mclk);
- mclk = NULL;
snd_soc_unregister_card(card);
atmel_ssc_put_audio(0);

diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index 9ad7fc0baf07..20a07c92b2fc 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -1206,9 +1206,16 @@ static int msm8916_wcd_digital_probe(struct platform_device *pdev)

dev_set_drvdata(dev, priv);

- return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
+ ret = devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
msm8916_wcd_digital_dai,
ARRAY_SIZE(msm8916_wcd_digital_dai));
+ if (ret)
+ goto err_mclk;
+
+ return 0;
+
+err_mclk:
+ clk_disable_unprepare(priv->mclk);
err_clk:
clk_disable_unprepare(priv->ahbclk);
return ret;
diff --git a/sound/soc/codecs/rk817_codec.c b/sound/soc/codecs/rk817_codec.c
index 8fffe378618d..cce6f4e7992f 100644
--- a/sound/soc/codecs/rk817_codec.c
+++ b/sound/soc/codecs/rk817_codec.c
@@ -489,7 +489,7 @@ static int rk817_platform_probe(struct platform_device *pdev)

rk817_codec_parse_dt_property(&pdev->dev, rk817_codec_data);

- rk817_codec_data->mclk = clk_get(pdev->dev.parent, "mclk");
+ rk817_codec_data->mclk = devm_clk_get(pdev->dev.parent, "mclk");
if (IS_ERR(rk817_codec_data->mclk)) {
dev_dbg(&pdev->dev, "Unable to get mclk\n");
ret = -ENXIO;
diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c
index be68d573a490..c9ff9c89adf7 100644
--- a/sound/soc/codecs/rt5682.c
+++ b/sound/soc/codecs/rt5682.c
@@ -2822,14 +2822,11 @@ static int rt5682_bclk_set_rate(struct clk_hw *hw, unsigned long rate,

for_each_component_dais(component, dai)
if (dai->id == RT5682_AIF1)
- break;
- if (!dai) {
- dev_err(rt5682->i2c_dev, "dai %d not found in component\n",
- RT5682_AIF1);
- return -ENODEV;
- }
+ return rt5682_set_bclk1_ratio(dai, factor);

- return rt5682_set_bclk1_ratio(dai, factor);
+ dev_err(rt5682->i2c_dev, "dai %d not found in component\n",
+ RT5682_AIF1);
+ return -ENODEV;
}

static const struct clk_ops rt5682_dai_clk_ops[RT5682_DAI_NUM_CLKS] = {
diff --git a/sound/soc/codecs/rt5682s.c b/sound/soc/codecs/rt5682s.c
index 92b8753f1267..f2296090716f 100644
--- a/sound/soc/codecs/rt5682s.c
+++ b/sound/soc/codecs/rt5682s.c
@@ -2679,14 +2679,11 @@ static int rt5682s_bclk_set_rate(struct clk_hw *hw, unsigned long rate,

for_each_component_dais(component, dai)
if (dai->id == RT5682S_AIF1)
- break;
- if (!dai) {
- dev_err(component->dev, "dai %d not found in component\n",
- RT5682S_AIF1);
- return -ENODEV;
- }
+ return rt5682s_set_bclk1_ratio(dai, factor);

- return rt5682s_set_bclk1_ratio(dai, factor);
+ dev_err(component->dev, "dai %d not found in component\n",
+ RT5682S_AIF1);
+ return -ENODEV;
}

static const struct clk_ops rt5682s_dai_clk_ops[RT5682S_DAI_NUM_CLKS] = {
diff --git a/sound/soc/codecs/wcd934x.c b/sound/soc/codecs/wcd934x.c
index 1e75e93cf28f..6298ebe96e94 100644
--- a/sound/soc/codecs/wcd934x.c
+++ b/sound/soc/codecs/wcd934x.c
@@ -1274,29 +1274,7 @@ static int wcd934x_set_sido_input_src(struct wcd934x_codec *wcd, int sido_src)
if (sido_src == wcd->sido_input_src)
return 0;

- if (sido_src == SIDO_SOURCE_INTERNAL) {
- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
- WCD934X_ANA_BUCK_HI_ACCU_EN_MASK, 0);
- usleep_range(100, 110);
- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
- WCD934X_ANA_BUCK_HI_ACCU_PRE_ENX_MASK, 0x0);
- usleep_range(100, 110);
- regmap_update_bits(wcd->regmap, WCD934X_ANA_RCO,
- WCD934X_ANA_RCO_BG_EN_MASK, 0);
- usleep_range(100, 110);
- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
- WCD934X_ANA_BUCK_PRE_EN1_MASK,
- WCD934X_ANA_BUCK_PRE_EN1_ENABLE);
- usleep_range(100, 110);
- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
- WCD934X_ANA_BUCK_PRE_EN2_MASK,
- WCD934X_ANA_BUCK_PRE_EN2_ENABLE);
- usleep_range(100, 110);
- regmap_update_bits(wcd->regmap, WCD934X_ANA_BUCK_CTL,
- WCD934X_ANA_BUCK_HI_ACCU_EN_MASK,
- WCD934X_ANA_BUCK_HI_ACCU_ENABLE);
- usleep_range(100, 110);
- } else if (sido_src == SIDO_SOURCE_RCO_BG) {
+ if (sido_src == SIDO_SOURCE_RCO_BG) {
regmap_update_bits(wcd->regmap, WCD934X_ANA_RCO,
WCD934X_ANA_RCO_BG_EN_MASK,
WCD934X_ANA_RCO_BG_ENABLE);
@@ -1382,8 +1360,6 @@ static int wcd934x_disable_ana_bias_and_syclk(struct wcd934x_codec *wcd)
regmap_update_bits(wcd->regmap, WCD934X_CLK_SYS_MCLK_PRG,
WCD934X_EXT_CLK_BUF_EN_MASK |
WCD934X_MCLK_EN_MASK, 0x0);
- wcd934x_set_sido_input_src(wcd, SIDO_SOURCE_INTERNAL);
-
regmap_update_bits(wcd->regmap, WCD934X_ANA_BIAS,
WCD934X_ANA_BIAS_EN_MASK, 0);
regmap_update_bits(wcd->regmap, WCD934X_ANA_BIAS,
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index b06c5682445c..fb43b331a36e 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1687,8 +1687,7 @@ static void dapm_seq_run(struct snd_soc_card *card,
switch (w->id) {
case snd_soc_dapm_pre:
if (!w->event)
- list_for_each_entry_safe_continue(w, n, list,
- power_list);
+ continue;

if (event == SND_SOC_DAPM_STREAM_START)
ret = w->event(w,
@@ -1700,8 +1699,7 @@ static void dapm_seq_run(struct snd_soc_card *card,

case snd_soc_dapm_post:
if (!w->event)
- list_for_each_entry_safe_continue(w, n, list,
- power_list);
+ continue;

if (event == SND_SOC_DAPM_STREAM_START)
ret = w->event(w,
diff --git a/sound/soc/soc-topology.c b/sound/soc/soc-topology.c
index cb24805668bd..f413238117af 100644
--- a/sound/soc/soc-topology.c
+++ b/sound/soc/soc-topology.c
@@ -1479,12 +1479,12 @@ static int soc_tplg_dapm_widget_create(struct soc_tplg *tplg,
template.num_kcontrols = le32_to_cpu(w->num_kcontrols);
kc = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(*kc), GFP_KERNEL);
if (!kc)
- goto err;
+ goto hdr_err;

kcontrol_type = devm_kcalloc(tplg->dev, le32_to_cpu(w->num_kcontrols), sizeof(unsigned int),
GFP_KERNEL);
if (!kcontrol_type)
- goto err;
+ goto hdr_err;

for (i = 0; i < le32_to_cpu(w->num_kcontrols); i++) {
control_hdr = (struct snd_soc_tplg_ctl_hdr *)tplg->pos;
diff --git a/sound/soc/sof/topology.c b/sound/soc/sof/topology.c
index e72dcae5e7ee..0db11ba559d6 100644
--- a/sound/soc/sof/topology.c
+++ b/sound/soc/sof/topology.c
@@ -1569,6 +1569,46 @@ static int sof_widget_load_buffer(struct snd_soc_component *scomp, int index,
return 0;
}

+static void sof_disconnect_dai_widget(struct snd_soc_component *scomp,
+ struct snd_soc_dapm_widget *w)
+{
+ struct snd_soc_card *card = scomp->card;
+ struct snd_soc_pcm_runtime *rtd;
+ struct snd_soc_dai *cpu_dai;
+ int i;
+
+ if (!w->sname)
+ return;
+
+ list_for_each_entry(rtd, &card->rtd_list, list) {
+ /* does stream match DAI link ? */
+ if (!rtd->dai_link->stream_name ||
+ strcmp(w->sname, rtd->dai_link->stream_name))
+ continue;
+
+ switch (w->id) {
+ case snd_soc_dapm_dai_out:
+ for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
+ if (cpu_dai->capture_widget == w) {
+ cpu_dai->capture_widget = NULL;
+ break;
+ }
+ }
+ break;
+ case snd_soc_dapm_dai_in:
+ for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
+ if (cpu_dai->playback_widget == w) {
+ cpu_dai->playback_widget = NULL;
+ break;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ }
+}
+
/* bind PCM ID to host component ID */
static int spcm_bind(struct snd_soc_component *scomp, struct snd_sof_pcm *spcm,
int dir)
@@ -2449,6 +2489,9 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
kfree(dai->dai_config);
list_del(&dai->list);
}
+
+ sof_disconnect_dai_widget(scomp, widget);
+
break;
default:
break;
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 2c01649c70f6..7c6ca2b433a5 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1194,6 +1194,7 @@ static void snd_usbmidi_output_drain(struct snd_rawmidi_substream *substream)
} while (drain_urbs && timeout);
finish_wait(&ep->drain_wait, &wait);
}
+ port->active = 0;
spin_unlock_irq(&ep->buffer_lock);
}

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 64f5544d0a0a..7ef7a8abcc2b 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -599,6 +599,10 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
.id = USB_ID(0x0db0, 0x419c),
.map = msi_mpg_x570s_carbon_max_wifi_alc4080_map,
},
+ { /* MSI MAG X570S Torpedo Max */
+ .id = USB_ID(0x0db0, 0xa073),
+ .map = msi_mpg_x570s_carbon_max_wifi_alc4080_map,
+ },
{ /* MSI TRX40 */
.id = USB_ID(0x0db0, 0x543d),
.map = trx40_mobo_map,
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 167834133b9b..b8359a0aa008 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -8,7 +8,7 @@
*/

/* handling of USB vendor/product ID pairs as 32-bit numbers */
-#define USB_ID(vendor, product) (((vendor) << 16) | (product))
+#define USB_ID(vendor, product) (((unsigned int)(vendor) << 16) | (product))
#define USB_ID_VENDOR(id) ((id) >> 16)
#define USB_ID_PRODUCT(id) ((u16)(id))

diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index 9a770bfdc804..15d42d871b3e 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -577,7 +577,6 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
{
struct perf_evsel *evsel;
const struct perf_cpu_map *cpus = evlist->cpus;
- const struct perf_thread_map *threads = evlist->threads;

if (!ops || !ops->get || !ops->mmap)
return -EINVAL;
@@ -589,7 +588,7 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist,
perf_evlist__for_each_entry(evlist, evsel) {
if ((evsel->attr.read_format & PERF_FORMAT_ID) &&
evsel->sample_id == NULL &&
- perf_evsel__alloc_id(evsel, perf_cpu_map__nr(cpus), threads->nr) < 0)
+ perf_evsel__alloc_id(evsel, evsel->fd->max_x, evsel->fd->max_y) < 0)
return -ENOMEM;
}

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 1dd92d8c9279..a6bb35b0af9f 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -349,6 +349,7 @@ static int report__setup_sample_type(struct report *rep)
struct perf_session *session = rep->session;
u64 sample_type = evlist__combined_sample_type(session->evlist);
bool is_pipe = perf_data__is_pipe(session->data);
+ struct evsel *evsel;

if (session->itrace_synth_opts->callchain ||
session->itrace_synth_opts->add_callchain ||
@@ -403,6 +404,19 @@ static int report__setup_sample_type(struct report *rep)
}

if (sort__mode == SORT_MODE__MEMORY) {
+ /*
+ * FIXUP: prior to kernel 5.18, Arm SPE missed to set
+ * PERF_SAMPLE_DATA_SRC bit in sample type. For backward
+ * compatibility, set the bit if it's an old perf data file.
+ */
+ evlist__for_each_entry(session->evlist, evsel) {
+ if (strstr(evsel->name, "arm_spe") &&
+ !(sample_type & PERF_SAMPLE_DATA_SRC)) {
+ evsel->core.attr.sample_type |= PERF_SAMPLE_DATA_SRC;
+ sample_type |= PERF_SAMPLE_DATA_SRC;
+ }
+ }
+
if (!is_pipe && !(sample_type & PERF_SAMPLE_DATA_SRC)) {
ui__error("Selected --mem-mode but no mem data. "
"Did you call perf record without -d?\n");
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index fa478ddcd18a..537a552fe6b3 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -459,7 +459,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session)
return -EINVAL;

if (PRINT_FIELD(DATA_SRC) &&
- evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC))
+ evsel__do_check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC", PERF_OUTPUT_DATA_SRC, allow_user_set))
return -EINVAL;

if (PRINT_FIELD(WEIGHT) &&
diff --git a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
index 429f7ee735cf..fd23c80eba31 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/spectrum-2/vxlan_flooding_ipv6.sh
@@ -159,6 +159,17 @@ flooding_remotes_add()
local lsb
local i

+ # Prevent unwanted packets from entering the bridge and interfering
+ # with the test.
+ tc qdisc add dev br0 clsact
+ tc filter add dev br0 egress protocol all pref 1 handle 1 \
+ matchall skip_hw action drop
+ tc qdisc add dev $h1 clsact
+ tc filter add dev $h1 egress protocol all pref 1 handle 1 \
+ flower skip_hw dst_mac de:ad:be:ef:13:37 action pass
+ tc filter add dev $h1 egress protocol all pref 2 handle 2 \
+ matchall skip_hw action drop
+
for i in $(eval echo {1..$num_remotes}); do
lsb=$((i + 1))

@@ -195,6 +206,12 @@ flooding_filters_del()
done

tc qdisc del dev $rp2 clsact
+
+ tc filter del dev $h1 egress protocol all pref 2 handle 2 matchall
+ tc filter del dev $h1 egress protocol all pref 1 handle 1 flower
+ tc qdisc del dev $h1 clsact
+ tc filter del dev br0 egress protocol all pref 1 handle 1 matchall
+ tc qdisc del dev br0 clsact
}

flooding_check_packets()
diff --git a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
index fedcb7b35af9..af5ea50ed5c0 100755
--- a/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
+++ b/tools/testing/selftests/drivers/net/mlxsw/vxlan_flooding.sh
@@ -172,6 +172,17 @@ flooding_filters_add()
local lsb
local i

+ # Prevent unwanted packets from entering the bridge and interfering
+ # with the test.
+ tc qdisc add dev br0 clsact
+ tc filter add dev br0 egress protocol all pref 1 handle 1 \
+ matchall skip_hw action drop
+ tc qdisc add dev $h1 clsact
+ tc filter add dev $h1 egress protocol all pref 1 handle 1 \
+ flower skip_hw dst_mac de:ad:be:ef:13:37 action pass
+ tc filter add dev $h1 egress protocol all pref 2 handle 2 \
+ matchall skip_hw action drop
+
tc qdisc add dev $rp2 clsact

for i in $(eval echo {1..$num_remotes}); do
@@ -194,6 +205,12 @@ flooding_filters_del()
done

tc qdisc del dev $rp2 clsact
+
+ tc filter del dev $h1 egress protocol all pref 2 handle 2 matchall
+ tc filter del dev $h1 egress protocol all pref 1 handle 1 flower
+ tc qdisc del dev $h1 clsact
+ tc filter del dev br0 egress protocol all pref 1 handle 1 matchall
+ tc qdisc del dev br0 clsact
}

flooding_check_packets()
diff --git a/tools/testing/selftests/kvm/aarch64/arch_timer.c b/tools/testing/selftests/kvm/aarch64/arch_timer.c
index b08d30bf71c5..3b940a101bc0 100644
--- a/tools/testing/selftests/kvm/aarch64/arch_timer.c
+++ b/tools/testing/selftests/kvm/aarch64/arch_timer.c
@@ -362,11 +362,12 @@ static void test_init_timer_irq(struct kvm_vm *vm)
pr_debug("ptimer_irq: %d; vtimer_irq: %d\n", ptimer_irq, vtimer_irq);
}

+static int gic_fd;
+
static struct kvm_vm *test_vm_create(void)
{
struct kvm_vm *vm;
unsigned int i;
- int ret;
int nr_vcpus = test_args.nr_vcpus;

vm = vm_create_default_with_vcpus(nr_vcpus, 0, 0, guest_code, NULL);
@@ -383,8 +384,8 @@ static struct kvm_vm *test_vm_create(void)

ucall_init(vm, NULL);
test_init_timer_irq(vm);
- ret = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
- if (ret < 0) {
+ gic_fd = vgic_v3_setup(vm, nr_vcpus, 64, GICD_BASE_GPA, GICR_BASE_GPA);
+ if (gic_fd < 0) {
print_skip("Failed to create vgic-v3");
exit(KSFT_SKIP);
}
@@ -395,6 +396,12 @@ static struct kvm_vm *test_vm_create(void)
return vm;
}

+static void test_vm_cleanup(struct kvm_vm *vm)
+{
+ close(gic_fd);
+ kvm_vm_free(vm);
+}
+
static void test_print_help(char *name)
{
pr_info("Usage: %s [-h] [-n nr_vcpus] [-i iterations] [-p timer_period_ms]\n",
@@ -478,7 +485,7 @@ int main(int argc, char *argv[])

vm = test_vm_create();
test_run(vm);
- kvm_vm_free(vm);
+ test_vm_cleanup(vm);

return 0;
}