Re: Linux 4.14.186

From: Greg Kroah-Hartman
Date: Thu Jun 25 2020 - 13:27:56 EST


diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst
index 2a5191b6d445..15449334b124 100644
--- a/Documentation/driver-api/mtdnand.rst
+++ b/Documentation/driver-api/mtdnand.rst
@@ -277,7 +277,7 @@ unregisters the partitions in the MTD layer.
static void __exit board_cleanup (void)
{
/* Release resources, unregister device */
- nand_release (board_mtd);
+ nand_release (mtd_to_nand(board_mtd));

/* unmap physical address */
iounmap(baseaddr);
diff --git a/Makefile b/Makefile
index 04d63a6b4f46..5152fefccab5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 185
+SUBLEVEL = 186
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arm/mach-integrator/Kconfig b/arch/arm/mach-integrator/Kconfig
index cefe44f6889b..ba124f8704fa 100644
--- a/arch/arm/mach-integrator/Kconfig
+++ b/arch/arm/mach-integrator/Kconfig
@@ -3,6 +3,8 @@ menuconfig ARCH_INTEGRATOR
depends on ARCH_MULTI_V4T || ARCH_MULTI_V5 || ARCH_MULTI_V6
select ARM_AMBA
select COMMON_CLK_VERSATILE
+ select CMA
+ select DMA_CMA
select HAVE_TCM
select ICST
select MFD_SYSCON
@@ -34,14 +36,13 @@ config INTEGRATOR_IMPD1
select ARM_VIC
select GPIO_PL061
select GPIOLIB
+ select REGULATOR
+ select REGULATOR_FIXED_VOLTAGE
help
The IM-PD1 is an add-on logic module for the Integrator which
allows ARM(R) Ltd PrimeCells to be developed and evaluated.
The IM-PD1 can be found on the Integrator/PP2 platform.

- To compile this driver as a module, choose M here: the
- module will be called impd1.
-
config INTEGRATOR_CM7TDMI
bool "Integrator/CM7TDMI core module"
depends on ARCH_INTEGRATOR_AP
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c
index 95697a9c1245..6e96cea99a4e 100644
--- a/arch/arm64/kernel/hw_breakpoint.c
+++ b/arch/arm64/kernel/hw_breakpoint.c
@@ -738,6 +738,27 @@ static u64 get_distance_from_watchpoint(unsigned long addr, u64 val,
return 0;
}

+static int watchpoint_report(struct perf_event *wp, unsigned long addr,
+ struct pt_regs *regs)
+{
+ int step = is_default_overflow_handler(wp);
+ struct arch_hw_breakpoint *info = counter_arch_bp(wp);
+
+ info->trigger = addr;
+
+ /*
+ * If we triggered a user watchpoint from a uaccess routine, then
+ * handle the stepping ourselves since userspace really can't help
+ * us with this.
+ */
+ if (!user_mode(regs) && info->ctrl.privilege == AARCH64_BREAKPOINT_EL0)
+ step = 1;
+ else
+ perf_bp_event(wp, regs);
+
+ return step;
+}
+
static int watchpoint_handler(unsigned long addr, unsigned int esr,
struct pt_regs *regs)
{
@@ -747,7 +768,6 @@ static int watchpoint_handler(unsigned long addr, unsigned int esr,
u64 val;
struct perf_event *wp, **slots;
struct debug_info *debug_info;
- struct arch_hw_breakpoint *info;
struct arch_hw_breakpoint_ctrl ctrl;

slots = this_cpu_ptr(wp_on_reg);
@@ -785,25 +805,13 @@ static int watchpoint_handler(unsigned long addr, unsigned int esr,
if (dist != 0)
continue;

- info = counter_arch_bp(wp);
- info->trigger = addr;
- perf_bp_event(wp, regs);
-
- /* Do we need to handle the stepping? */
- if (is_default_overflow_handler(wp))
- step = 1;
+ step = watchpoint_report(wp, addr, regs);
}
- if (min_dist > 0 && min_dist != -1) {
- /* No exact match found. */
- wp = slots[closest_match];
- info = counter_arch_bp(wp);
- info->trigger = addr;
- perf_bp_event(wp, regs);

- /* Do we need to handle the stepping? */
- if (is_default_overflow_handler(wp))
- step = 1;
- }
+ /* No exact match found? */
+ if (min_dist > 0 && min_dist != -1)
+ step = watchpoint_report(slots[closest_match], addr, regs);
+
rcu_read_unlock();

if (!step)
diff --git a/arch/m68k/coldfire/pci.c b/arch/m68k/coldfire/pci.c
index 3097fa2ca746..1e428d18d268 100644
--- a/arch/m68k/coldfire/pci.c
+++ b/arch/m68k/coldfire/pci.c
@@ -316,8 +316,10 @@ static int __init mcf_pci_init(void)

/* Keep a virtual mapping to IO/config space active */
iospace = (unsigned long) ioremap(PCI_IO_PA, PCI_IO_SIZE);
- if (iospace == 0)
+ if (iospace == 0) {
+ pci_free_host_bridge(bridge);
return -ENODEV;
+ }
pr_info("Coldfire: PCI IO/config window mapped to 0x%x\n",
(u32) iospace);

diff --git a/arch/openrisc/kernel/entry.S b/arch/openrisc/kernel/entry.S
index 1107d34e45bf..0fdfa7142f4b 100644
--- a/arch/openrisc/kernel/entry.S
+++ b/arch/openrisc/kernel/entry.S
@@ -1102,13 +1102,13 @@ ENTRY(__sys_clone)
l.movhi r29,hi(sys_clone)
l.ori r29,r29,lo(sys_clone)
l.j _fork_save_extra_regs_and_call
- l.addi r7,r1,0
+ l.nop

ENTRY(__sys_fork)
l.movhi r29,hi(sys_fork)
l.ori r29,r29,lo(sys_fork)
l.j _fork_save_extra_regs_and_call
- l.addi r3,r1,0
+ l.nop

ENTRY(sys_rt_sigreturn)
l.jal _sys_rt_sigreturn
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
index bcb79a96a6c8..618ee2c0ed53 100644
--- a/arch/powerpc/include/asm/book3s/64/pgtable.h
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -898,10 +898,25 @@ extern struct page *pgd_page(pgd_t pgd);
#define pud_page_vaddr(pud) __va(pud_val(pud) & ~PUD_MASKED_BITS)
#define pgd_page_vaddr(pgd) __va(pgd_val(pgd) & ~PGD_MASKED_BITS)

-#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
-#define pud_index(address) (((address) >> (PUD_SHIFT)) & (PTRS_PER_PUD - 1))
-#define pmd_index(address) (((address) >> (PMD_SHIFT)) & (PTRS_PER_PMD - 1))
-#define pte_index(address) (((address) >> (PAGE_SHIFT)) & (PTRS_PER_PTE - 1))
+static inline unsigned long pgd_index(unsigned long address)
+{
+ return (address >> PGDIR_SHIFT) & (PTRS_PER_PGD - 1);
+}
+
+static inline unsigned long pud_index(unsigned long address)
+{
+ return (address >> PUD_SHIFT) & (PTRS_PER_PUD - 1);
+}
+
+static inline unsigned long pmd_index(unsigned long address)
+{
+ return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1);
+}
+
+static inline unsigned long pte_index(unsigned long address)
+{
+ return (address >> PAGE_SHIFT) & (PTRS_PER_PTE - 1);
+}

/*
* Find an entry in a page-table-directory. We combine the address region
diff --git a/arch/powerpc/kernel/machine_kexec.c b/arch/powerpc/kernel/machine_kexec.c
index 9dafd7af39b8..cb4d6cd949fc 100644
--- a/arch/powerpc/kernel/machine_kexec.c
+++ b/arch/powerpc/kernel/machine_kexec.c
@@ -113,11 +113,12 @@ void machine_kexec(struct kimage *image)

void __init reserve_crashkernel(void)
{
- unsigned long long crash_size, crash_base;
+ unsigned long long crash_size, crash_base, total_mem_sz;
int ret;

+ total_mem_sz = memory_limit ? memory_limit : memblock_phys_mem_size();
/* use common parsing */
- ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
+ ret = parse_crashkernel(boot_command_line, total_mem_sz,
&crash_size, &crash_base);
if (ret == 0 && crash_size > 0) {
crashk_res.start = crash_base;
@@ -176,6 +177,7 @@ void __init reserve_crashkernel(void)
/* Crash kernel trumps memory limit */
if (memory_limit && memory_limit <= crashk_res.end) {
memory_limit = crashk_res.end + 1;
+ total_mem_sz = memory_limit;
printk("Adjusted memory limit for crashkernel, now 0x%llx\n",
memory_limit);
}
@@ -184,7 +186,7 @@ void __init reserve_crashkernel(void)
"for crashkernel (System RAM: %ldMB)\n",
(unsigned long)(crash_size >> 20),
(unsigned long)(crashk_res.start >> 20),
- (unsigned long)(memblock_phys_mem_size() >> 20));
+ (unsigned long)(total_mem_sz >> 20));

if (!memblock_is_region_memory(crashk_res.start, crash_size) ||
memblock_reserve(crashk_res.start, crash_size)) {
diff --git a/arch/powerpc/perf/hv-24x7.c b/arch/powerpc/perf/hv-24x7.c
index 72238eedc360..2bb798918483 100644
--- a/arch/powerpc/perf/hv-24x7.c
+++ b/arch/powerpc/perf/hv-24x7.c
@@ -1413,16 +1413,6 @@ static void h_24x7_event_read(struct perf_event *event)
h24x7hw = &get_cpu_var(hv_24x7_hw);
h24x7hw->events[i] = event;
put_cpu_var(h24x7hw);
- /*
- * Clear the event count so we can compute the _change_
- * in the 24x7 raw counter value at the end of the txn.
- *
- * Note that we could alternatively read the 24x7 value
- * now and save its value in event->hw.prev_count. But
- * that would require issuing a hcall, which would then
- * defeat the purpose of using the txn interface.
- */
- local64_set(&event->count, 0);
}

put_cpu_var(hv_24x7_reqb);
diff --git a/arch/powerpc/platforms/4xx/pci.c b/arch/powerpc/platforms/4xx/pci.c
index 73e6b36bcd51..256943af58aa 100644
--- a/arch/powerpc/platforms/4xx/pci.c
+++ b/arch/powerpc/platforms/4xx/pci.c
@@ -1242,7 +1242,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port)
if (mbase == NULL) {
printk(KERN_ERR "%pOF: Can't map internal config space !",
port->node);
- goto done;
+ return;
}

while (attempt && (0 == (in_le32(mbase + PECFG_460SX_DLLSTA)
@@ -1252,9 +1252,7 @@ static void __init ppc460sx_pciex_check_link(struct ppc4xx_pciex_port *port)
}
if (attempt)
port->link = 1;
-done:
iounmap(mbase);
-
}

static struct ppc4xx_pciex_hwops ppc460sx_pcie_hwops __initdata = {
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index b0f34663b1ae..19bae78b1f25 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -212,13 +212,14 @@ void ps3_mm_vas_destroy(void)
{
int result;

- DBG("%s:%d: map.vas_id = %llu\n", __func__, __LINE__, map.vas_id);
-
if (map.vas_id) {
result = lv1_select_virtual_address_space(0);
- BUG_ON(result);
- result = lv1_destruct_virtual_address_space(map.vas_id);
- BUG_ON(result);
+ result += lv1_destruct_virtual_address_space(map.vas_id);
+
+ if (result) {
+ lv1_panic(0);
+ }
+
map.vas_id = 0;
}
}
@@ -316,19 +317,20 @@ static void ps3_mm_region_destroy(struct mem_region *r)
int result;

if (!r->destroy) {
- pr_info("%s:%d: Not destroying high region: %llxh %llxh\n",
- __func__, __LINE__, r->base, r->size);
return;
}

- DBG("%s:%d: r->base = %llxh\n", __func__, __LINE__, r->base);
-
if (r->base) {
result = lv1_release_memory(r->base);
- BUG_ON(result);
+
+ if (result) {
+ lv1_panic(0);
+ }
+
r->size = r->base = r->offset = 0;
map.total = map.rm.size;
}
+
ps3_mm_set_repository_highmem(NULL);
}

diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c
index 99d1152ae224..5ec935521204 100644
--- a/arch/powerpc/platforms/pseries/ras.c
+++ b/arch/powerpc/platforms/pseries/ras.c
@@ -325,10 +325,11 @@ static irqreturn_t ras_error_interrupt(int irq, void *dev_id)
/*
* Some versions of FWNMI place the buffer inside the 4kB page starting at
* 0x7000. Other versions place it inside the rtas buffer. We check both.
+ * Minimum size of the buffer is 16 bytes.
*/
#define VALID_FWNMI_BUFFER(A) \
- ((((A) >= 0x7000) && ((A) < 0x7ff0)) || \
- (((A) >= rtas.base) && ((A) < (rtas.base + rtas.size - 16))))
+ ((((A) >= 0x7000) && ((A) <= 0x8000 - 16)) || \
+ (((A) >= rtas.base) && ((A) <= (rtas.base + rtas.size - 16))))

/*
* Get the error information for errors coming through the
diff --git a/arch/s390/include/asm/syscall.h b/arch/s390/include/asm/syscall.h
index 6bc941be6921..166fbd74e316 100644
--- a/arch/s390/include/asm/syscall.h
+++ b/arch/s390/include/asm/syscall.h
@@ -41,7 +41,17 @@ static inline void syscall_rollback(struct task_struct *task,
static inline long syscall_get_error(struct task_struct *task,
struct pt_regs *regs)
{
- return IS_ERR_VALUE(regs->gprs[2]) ? regs->gprs[2] : 0;
+ unsigned long error = regs->gprs[2];
+#ifdef CONFIG_COMPAT
+ if (test_tsk_thread_flag(task, TIF_31BIT)) {
+ /*
+ * Sign-extend the value so (int)-EFOO becomes (long)-EFOO
+ * and will match correctly in comparisons.
+ */
+ error = (long)(int)error;
+ }
+#endif
+ return IS_ERR_VALUE(error) ? error : 0;
}

static inline long syscall_get_return_value(struct task_struct *task,
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index 1c060748c813..f38ffcc610d2 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -87,7 +87,7 @@ $(obj)/vmlinux.bin: $(obj)/compressed/vmlinux FORCE

SETUP_OBJS = $(addprefix $(obj)/,$(setup-y))

-sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [ABCDGRSTVW] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p'
+sed-zoffset := -e 's/^\([0-9a-fA-F]*\) [a-zA-Z] \(startup_32\|startup_64\|efi32_stub_entry\|efi64_stub_entry\|efi_pe_entry\|input_data\|_end\|_ehead\|_text\|z_.*\)$$/\#define ZO_\2 0x\1/p'

quiet_cmd_zoffset = ZOFFSET $@
cmd_zoffset = $(NM) $< | sed -n $(sed-zoffset) > $@
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 48ab5fdd1044..ee33f0951322 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1915,7 +1915,7 @@ void __init init_apic_mappings(void)
unsigned int new_apicid;

if (apic_validate_deadline_timer())
- pr_debug("TSC deadline timer available\n");
+ pr_info("TSC deadline timer available\n");

if (x2apic_mode) {
boot_cpu_physical_apicid = read_apic_id();
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index 9d7bb8de2917..02665ffef050 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -744,16 +744,11 @@ asm(
NOKPROBE_SYMBOL(kretprobe_trampoline);
STACK_FRAME_NON_STANDARD(kretprobe_trampoline);

-static struct kprobe kretprobe_kprobe = {
- .addr = (void *)kretprobe_trampoline,
-};
-
/*
* Called from kretprobe_trampoline
*/
__visible __used void *trampoline_handler(struct pt_regs *regs)
{
- struct kprobe_ctlblk *kcb;
struct kretprobe_instance *ri = NULL;
struct hlist_head *head, empty_rp;
struct hlist_node *tmp;
@@ -763,16 +758,12 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
void *frame_pointer;
bool skipped = false;

- preempt_disable();
-
/*
* Set a dummy kprobe for avoiding kretprobe recursion.
* Since kretprobe never run in kprobe handler, kprobe must not
* be running at this point.
*/
- kcb = get_kprobe_ctlblk();
- __this_cpu_write(current_kprobe, &kretprobe_kprobe);
- kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+ kprobe_busy_begin();

INIT_HLIST_HEAD(&empty_rp);
kretprobe_hash_lock(current, &head, &flags);
@@ -851,7 +842,7 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
__this_cpu_write(current_kprobe, &ri->rp->kp);
ri->ret_addr = correct_ret_addr;
ri->rp->handler(ri, regs);
- __this_cpu_write(current_kprobe, &kretprobe_kprobe);
+ __this_cpu_write(current_kprobe, &kprobe_busy);
}

recycle_rp_inst(ri, &empty_rp);
@@ -867,8 +858,7 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)

kretprobe_hash_unlock(current, &flags);

- __this_cpu_write(current_kprobe, NULL);
- preempt_enable();
+ kprobe_busy_end();

hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) {
hlist_del(&ri->hlist);
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 7220ab210dcf..082d0cea72f4 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -263,6 +263,11 @@ static const u64 shadow_nonpresent_or_rsvd_mask_len = 5;
*/
static u64 __read_mostly shadow_nonpresent_or_rsvd_lower_gfn_mask;

+/*
+ * The number of non-reserved physical address bits irrespective of features
+ * that repurpose legal bits, e.g. MKTME.
+ */
+static u8 __read_mostly shadow_phys_bits;

static void mmu_spte_set(u64 *sptep, u64 spte);
static void mmu_free_roots(struct kvm_vcpu *vcpu);
@@ -445,6 +450,21 @@ void kvm_mmu_set_mask_ptes(u64 user_mask, u64 accessed_mask,
}
EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes);

+static u8 kvm_get_shadow_phys_bits(void)
+{
+ /*
+ * boot_cpu_data.x86_phys_bits is reduced when MKTME is detected
+ * in CPU detection code, but MKTME treats those reduced bits as
+ * 'keyID' thus they are not reserved bits. Therefore for MKTME
+ * we should still return physical address bits reported by CPUID.
+ */
+ if (!boot_cpu_has(X86_FEATURE_TME) ||
+ WARN_ON_ONCE(boot_cpu_data.extended_cpuid_level < 0x80000008))
+ return boot_cpu_data.x86_phys_bits;
+
+ return cpuid_eax(0x80000008) & 0xff;
+}
+
static void kvm_mmu_reset_all_pte_masks(void)
{
u8 low_phys_bits;
@@ -458,6 +478,8 @@ static void kvm_mmu_reset_all_pte_masks(void)
shadow_present_mask = 0;
shadow_acc_track_mask = 0;

+ shadow_phys_bits = kvm_get_shadow_phys_bits();
+
/*
* If the CPU has 46 or less physical address bits, then set an
* appropriate mask to guard against L1TF attacks. Otherwise, it is
@@ -4314,7 +4336,7 @@ reset_shadow_zero_bits_mask(struct kvm_vcpu *vcpu, struct kvm_mmu *context)
*/
shadow_zero_check = &context->shadow_zero_check;
__reset_rsvds_bits_mask(vcpu, shadow_zero_check,
- boot_cpu_data.x86_phys_bits,
+ shadow_phys_bits,
context->shadow_root_level, uses_nx,
guest_cpuid_has(vcpu, X86_FEATURE_GBPAGES),
is_pse(vcpu), true);
@@ -4351,13 +4373,13 @@ reset_tdp_shadow_zero_bits_mask(struct kvm_vcpu *vcpu,

if (boot_cpu_is_amd())
__reset_rsvds_bits_mask(vcpu, shadow_zero_check,
- boot_cpu_data.x86_phys_bits,
+ shadow_phys_bits,
context->shadow_root_level, false,
boot_cpu_has(X86_FEATURE_GBPAGES),
true, true);
else
__reset_rsvds_bits_mask_ept(shadow_zero_check,
- boot_cpu_data.x86_phys_bits,
+ shadow_phys_bits,
false);

if (!shadow_me_mask)
@@ -4378,7 +4400,7 @@ reset_ept_shadow_zero_bits_mask(struct kvm_vcpu *vcpu,
struct kvm_mmu *context, bool execonly)
{
__reset_rsvds_bits_mask_ept(&context->shadow_zero_check,
- boot_cpu_data.x86_phys_bits, execonly);
+ shadow_phys_bits, execonly);
}

#define BYTE_MASK(access) \
@@ -5675,6 +5697,25 @@ static int set_nx_huge_pages(const char *val, const struct kernel_param *kp)
return 0;
}

+static void kvm_set_mmio_spte_mask(void)
+{
+ u64 mask;
+
+ /*
+ * Set a reserved PA bit in MMIO SPTEs to generate page faults with
+ * PFEC.RSVD=1 on MMIO accesses. 64-bit PTEs (PAE, x86-64, and EPT
+ * paging) support a maximum of 52 bits of PA, i.e. if the CPU supports
+ * 52-bit physical addresses then there are no reserved PA bits in the
+ * PTEs and so the reserved PA approach must be disabled.
+ */
+ if (shadow_phys_bits < 52)
+ mask = BIT_ULL(51) | PT_PRESENT_MASK;
+ else
+ mask = 0;
+
+ kvm_mmu_set_mmio_spte_mask(mask, mask);
+}
+
int kvm_mmu_module_init(void)
{
if (nx_huge_pages == -1)
@@ -5682,6 +5723,8 @@ int kvm_mmu_module_init(void)

kvm_mmu_reset_all_pte_masks();

+ kvm_set_mmio_spte_mask();
+
pte_list_desc_cache = kmem_cache_create("pte_list_desc",
sizeof(struct pte_list_desc),
0, SLAB_ACCOUNT, NULL);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 1477e23827c2..3401061a2231 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6291,35 +6291,6 @@ void kvm_after_handle_nmi(struct kvm_vcpu *vcpu)
}
EXPORT_SYMBOL_GPL(kvm_after_handle_nmi);

-static void kvm_set_mmio_spte_mask(void)
-{
- u64 mask;
- int maxphyaddr = boot_cpu_data.x86_phys_bits;
-
- /*
- * Set the reserved bits and the present bit of an paging-structure
- * entry to generate page fault with PFER.RSV = 1.
- */
-
- /*
- * Mask the uppermost physical address bit, which would be reserved as
- * long as the supported physical address width is less than 52.
- */
- mask = 1ull << 51;
-
- /* Set the present bit. */
- mask |= 1ull;
-
- /*
- * If reserved bit is not supported, clear the present bit to disable
- * mmio page fault.
- */
- if (maxphyaddr == 52)
- mask &= ~1ull;
-
- kvm_mmu_set_mmio_spte_mask(mask, mask);
-}
-
#ifdef CONFIG_X86_64
static void pvclock_gtod_update_fn(struct work_struct *work)
{
@@ -6397,8 +6368,6 @@ int kvm_arch_init(void *opaque)
if (r)
goto out_free_percpu;

- kvm_set_mmio_spte_mask();
-
kvm_x86_ops = ops;

kvm_mmu_set_mask_ptes(PT_USER_MASK, PT_ACCESSED_MASK,
diff --git a/crypto/algboss.c b/crypto/algboss.c
index 960d8548171b..9d253e1016b1 100644
--- a/crypto/algboss.c
+++ b/crypto/algboss.c
@@ -194,8 +194,6 @@ static int cryptomgr_schedule_probe(struct crypto_larval *larval)
if (IS_ERR(thread))
goto err_put_larval;

- wait_for_completion_interruptible(&larval->completion);
-
return NOTIFY_STOP;

err_put_larval:
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 90bc4e0f0785..1ce1284c9ed9 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -85,14 +85,10 @@ static int _skcipher_recvmsg(struct socket *sock, struct msghdr *msg,
return PTR_ERR(areq);

/* convert iovecs of output buffers into RX SGL */
- err = af_alg_get_rsgl(sk, msg, flags, areq, -1, &len);
+ err = af_alg_get_rsgl(sk, msg, flags, areq, ctx->used, &len);
if (err)
goto free;

- /* Process only as much RX buffers for which we have TX data */
- if (len > ctx->used)
- len = ctx->used;
-
/*
* If more buffers are to be expected to be processed, process only
* full block size buffers.
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 33eb5e342a7a..a3a65f5490c0 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -57,7 +57,6 @@
#include <linux/workqueue.h>
#include <linux/scatterlist.h>
#include <linux/io.h>
-#include <linux/async.h>
#include <linux/log2.h>
#include <linux/slab.h>
#include <linux/glob.h>
@@ -6536,7 +6535,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
/* perform each probe asynchronously */
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap = host->ports[i];
- async_schedule(async_port_probe, ap);
+ ap->cookie = async_schedule(async_port_probe, ap);
}

return 0;
@@ -6676,11 +6675,11 @@ void ata_host_detach(struct ata_host *host)
{
int i;

- /* Ensure ata_port probe has completed */
- async_synchronize_full();
-
- for (i = 0; i < host->n_ports; i++)
+ for (i = 0; i < host->n_ports; i++) {
+ /* Ensure ata_port probe has completed */
+ async_synchronize_cookie(host->ports[i]->cookie + 1);
ata_port_detach(host->ports[i]);
+ }

/* the host is dead now, dissociate ACPI */
ata_acpi_dissociate(host);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index bcb6519fe211..0ee3cab88f70 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -702,6 +702,8 @@ int __init_or_module __platform_driver_probe(struct platform_driver *drv,
/* temporary section violation during probe() */
drv->probe = probe;
retval = code = __platform_driver_register(drv, module);
+ if (retval)
+ return retval;

/*
* Fixup that section violation, being paranoid about code scanning
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index 075662f2cf46..d20f66d57804 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -468,7 +468,6 @@ static int ps3disk_probe(struct ps3_system_bus_device *_dev)
blk_queue_bounce_limit(queue, BLK_BOUNCE_HIGH);

blk_queue_max_hw_sectors(queue, dev->bounce_size >> 9);
- blk_queue_segment_boundary(queue, -1UL);
blk_queue_dma_alignment(queue, dev->blk_size-1);
blk_queue_logical_block_size(queue, dev->blk_size);

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 5f8082d89131..6db4204e5d5d 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1483,13 +1483,13 @@ static struct clk_hw *bcm2835_register_clock(struct bcm2835_cprman *cprman,
return &clock->hw;
}

-static struct clk *bcm2835_register_gate(struct bcm2835_cprman *cprman,
+static struct clk_hw *bcm2835_register_gate(struct bcm2835_cprman *cprman,
const struct bcm2835_gate_data *data)
{
- return clk_register_gate(cprman->dev, data->name, data->parent,
- CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
- cprman->regs + data->ctl_reg,
- CM_GATE_BIT, 0, &cprman->regs_lock);
+ return clk_hw_register_gate(cprman->dev, data->name, data->parent,
+ CLK_IGNORE_UNUSED | CLK_SET_RATE_GATE,
+ cprman->regs + data->ctl_reg,
+ CM_GATE_BIT, 0, &cprman->regs_lock);
}

typedef struct clk_hw *(*bcm2835_clk_register)(struct bcm2835_cprman *cprman,
diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index 2057809219f4..7426d910e079 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -270,7 +270,7 @@ static struct clk_pll gpll0 = {
.l_reg = 0x21004,
.m_reg = 0x21008,
.n_reg = 0x2100c,
- .config_reg = 0x21014,
+ .config_reg = 0x21010,
.mode_reg = 0x21000,
.status_reg = 0x2101c,
.status_bit = 17,
@@ -297,7 +297,7 @@ static struct clk_pll gpll1 = {
.l_reg = 0x20004,
.m_reg = 0x20008,
.n_reg = 0x2000c,
- .config_reg = 0x20014,
+ .config_reg = 0x20010,
.mode_reg = 0x20000,
.status_reg = 0x2001c,
.status_bit = 17,
@@ -324,7 +324,7 @@ static struct clk_pll gpll2 = {
.l_reg = 0x4a004,
.m_reg = 0x4a008,
.n_reg = 0x4a00c,
- .config_reg = 0x4a014,
+ .config_reg = 0x4a010,
.mode_reg = 0x4a000,
.status_reg = 0x4a01c,
.status_bit = 17,
@@ -351,7 +351,7 @@ static struct clk_pll bimc_pll = {
.l_reg = 0x23004,
.m_reg = 0x23008,
.n_reg = 0x2300c,
- .config_reg = 0x23014,
+ .config_reg = 0x23010,
.mode_reg = 0x23000,
.status_reg = 0x2301c,
.status_bit = 17,
diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index 1d2265f9ee97..1c327d5de98c 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -1674,7 +1674,8 @@ static const struct samsung_gate_clock peric_gate_clks[] __initconst = {
GATE(CLK_SCLK_PCM1, "sclk_pcm1", "sclk_pcm1_peric",
ENABLE_SCLK_PERIC, 7, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_I2S1, "sclk_i2s1", "sclk_i2s1_peric",
- ENABLE_SCLK_PERIC, 6, CLK_SET_RATE_PARENT, 0),
+ ENABLE_SCLK_PERIC, 6,
+ CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0),
GATE(CLK_SCLK_SPI2, "sclk_spi2", "sclk_spi2_peric", ENABLE_SCLK_PERIC,
5, CLK_SET_RATE_PARENT, 0),
GATE(CLK_SCLK_SPI1, "sclk_spi1", "sclk_spi1_peric", ENABLE_SCLK_PERIC,
diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index 918ba3164da9..cd856210db58 100644
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -373,6 +373,7 @@ static void __init st_of_flexgen_setup(struct device_node *np)
break;
}

+ flex_flags &= ~CLK_IS_CRITICAL;
of_clk_detect_critical(np, i, &flex_flags);

/*
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index aa4add580516..0b5e091742f9 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -98,7 +98,7 @@ static void sun6i_a31_get_pll1_factors(struct factors_request *req)
* Round down the frequency to the closest multiple of either
* 6 or 16
*/
- u32 round_freq_6 = round_down(freq_mhz, 6);
+ u32 round_freq_6 = rounddown(freq_mhz, 6);
u32 round_freq_16 = round_down(freq_mhz, 16);

if (round_freq_6 > round_freq_16)
diff --git a/drivers/clk/ti/composite.c b/drivers/clk/ti/composite.c
index beea89463ca2..4ea5c08a1eb6 100644
--- a/drivers/clk/ti/composite.c
+++ b/drivers/clk/ti/composite.c
@@ -240,6 +240,7 @@ static void __init _register_composite(struct clk_hw *hw,
if (!cclk->comp_clks[i])
continue;
list_del(&cclk->comp_clks[i]->link);
+ kfree(cclk->comp_clks[i]->parent_names);
kfree(cclk->comp_clks[i]);
}

diff --git a/drivers/crypto/omap-sham.c b/drivers/crypto/omap-sham.c
index c1f8da958c78..4e38b87c3228 100644
--- a/drivers/crypto/omap-sham.c
+++ b/drivers/crypto/omap-sham.c
@@ -168,8 +168,6 @@ struct omap_sham_hmac_ctx {
};

struct omap_sham_ctx {
- struct omap_sham_dev *dd;
-
unsigned long flags;

/* fallback stuff */
@@ -916,27 +914,35 @@ static int omap_sham_update_dma_stop(struct omap_sham_dev *dd)
return 0;
}

+struct omap_sham_dev *omap_sham_find_dev(struct omap_sham_reqctx *ctx)
+{
+ struct omap_sham_dev *dd;
+
+ if (ctx->dd)
+ return ctx->dd;
+
+ spin_lock_bh(&sham.lock);
+ dd = list_first_entry(&sham.dev_list, struct omap_sham_dev, list);
+ list_move_tail(&dd->list, &sham.dev_list);
+ ctx->dd = dd;
+ spin_unlock_bh(&sham.lock);
+
+ return dd;
+}
+
static int omap_sham_init(struct ahash_request *req)
{
struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
struct omap_sham_ctx *tctx = crypto_ahash_ctx(tfm);
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
- struct omap_sham_dev *dd = NULL, *tmp;
+ struct omap_sham_dev *dd;
int bs = 0;

- spin_lock_bh(&sham.lock);
- if (!tctx->dd) {
- list_for_each_entry(tmp, &sham.dev_list, list) {
- dd = tmp;
- break;
- }
- tctx->dd = dd;
- } else {
- dd = tctx->dd;
- }
- spin_unlock_bh(&sham.lock);
+ ctx->dd = NULL;

- ctx->dd = dd;
+ dd = omap_sham_find_dev(ctx);
+ if (!dd)
+ return -ENODEV;

ctx->flags = 0;

@@ -1186,8 +1192,7 @@ static int omap_sham_handle_queue(struct omap_sham_dev *dd,
static int omap_sham_enqueue(struct ahash_request *req, unsigned int op)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
- struct omap_sham_ctx *tctx = crypto_tfm_ctx(req->base.tfm);
- struct omap_sham_dev *dd = tctx->dd;
+ struct omap_sham_dev *dd = ctx->dd;

ctx->op = op;

@@ -1197,7 +1202,7 @@ static int omap_sham_enqueue(struct ahash_request *req, unsigned int op)
static int omap_sham_update(struct ahash_request *req)
{
struct omap_sham_reqctx *ctx = ahash_request_ctx(req);
- struct omap_sham_dev *dd = ctx->dd;
+ struct omap_sham_dev *dd = omap_sham_find_dev(ctx);

if (!req->nbytes)
return 0;
@@ -1302,21 +1307,8 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,
struct omap_sham_hmac_ctx *bctx = tctx->base;
int bs = crypto_shash_blocksize(bctx->shash);
int ds = crypto_shash_digestsize(bctx->shash);
- struct omap_sham_dev *dd = NULL, *tmp;
int err, i;

- spin_lock_bh(&sham.lock);
- if (!tctx->dd) {
- list_for_each_entry(tmp, &sham.dev_list, list) {
- dd = tmp;
- break;
- }
- tctx->dd = dd;
- } else {
- dd = tctx->dd;
- }
- spin_unlock_bh(&sham.lock);
-
err = crypto_shash_setkey(tctx->fallback, key, keylen);
if (err)
return err;
@@ -1334,7 +1326,7 @@ static int omap_sham_setkey(struct crypto_ahash *tfm, const u8 *key,

memset(bctx->ipad + keylen, 0, bs - keylen);

- if (!test_bit(FLAGS_AUTO_XOR, &dd->flags)) {
+ if (!test_bit(FLAGS_AUTO_XOR, &sham.flags)) {
memcpy(bctx->opad, bctx->ipad, bs);

for (i = 0; i < bs; i++) {
@@ -2073,6 +2065,7 @@ static int omap_sham_probe(struct platform_device *pdev)
}

dd->flags |= dd->pdata->flags;
+ sham.flags |= dd->pdata->flags;

pm_runtime_use_autosuspend(dev);
pm_runtime_set_autosuspend_delay(dev, DEFAULT_AUTOSUSPEND_DELAY);
@@ -2098,6 +2091,9 @@ static int omap_sham_probe(struct platform_device *pdev)
spin_unlock(&sham.lock);

for (i = 0; i < dd->pdata->algs_info_size; i++) {
+ if (dd->pdata->algs_info[i].registered)
+ break;
+
for (j = 0; j < dd->pdata->algs_info[i].size; j++) {
struct ahash_alg *alg;

@@ -2143,9 +2139,11 @@ static int omap_sham_remove(struct platform_device *pdev)
list_del(&dd->list);
spin_unlock(&sham.lock);
for (i = dd->pdata->algs_info_size - 1; i >= 0; i--)
- for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--)
+ for (j = dd->pdata->algs_info[i].registered - 1; j >= 0; j--) {
crypto_unregister_ahash(
&dd->pdata->algs_info[i].algs_list[j]);
+ dd->pdata->algs_info[i].registered--;
+ }
tasklet_kill(&dd->done_task);
pm_runtime_disable(&pdev->dev);

diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index 6f6537ab0a79..59e6ca685be8 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -128,7 +128,7 @@ static int adc_jack_probe(struct platform_device *pdev)
for (i = 0; data->adc_conditions[i].id != EXTCON_NONE; i++);
data->num_conditions = i;

- data->chan = iio_channel_get(&pdev->dev, pdata->consumer_channel);
+ data->chan = devm_iio_channel_get(&pdev->dev, pdata->consumer_channel);
if (IS_ERR(data->chan))
return PTR_ERR(data->chan);

@@ -170,7 +170,6 @@ static int adc_jack_remove(struct platform_device *pdev)

free_irq(data->irq, data);
cancel_work_sync(&data->handler.work);
- iio_channel_release(data->chan);

return 0;
}
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
index 42eaeae86bb8..e52381c9d04e 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -29,6 +29,7 @@
#include <linux/i2c.h>
#include <drm/drm_dp_mst_helper.h>
#include <drm/drmP.h>
+#include <linux/iopoll.h>

#include <drm/drm_fixed.h>
#include <drm/drm_atomic.h>
@@ -2751,6 +2752,17 @@ static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr,
return ret;
}

+static int do_get_act_status(struct drm_dp_aux *aux)
+{
+ int ret;
+ u8 status;
+
+ ret = drm_dp_dpcd_readb(aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
+ if (ret < 0)
+ return ret;
+
+ return status;
+}

/**
* drm_dp_check_act_status() - Check ACT handled status.
@@ -2760,33 +2772,29 @@ static int drm_dp_dpcd_write_payload(struct drm_dp_mst_topology_mgr *mgr,
*/
int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr)
{
- u8 status;
- int ret;
- int count = 0;
-
- do {
- ret = drm_dp_dpcd_readb(mgr->aux, DP_PAYLOAD_TABLE_UPDATE_STATUS, &status);
-
- if (ret < 0) {
- DRM_DEBUG_KMS("failed to read payload table status %d\n", ret);
- goto fail;
- }
-
- if (status & DP_PAYLOAD_ACT_HANDLED)
- break;
- count++;
- udelay(100);
-
- } while (count < 30);
-
- if (!(status & DP_PAYLOAD_ACT_HANDLED)) {
- DRM_DEBUG_KMS("failed to get ACT bit %d after %d retries\n", status, count);
- ret = -EINVAL;
- goto fail;
+ /*
+ * There doesn't seem to be any recommended retry count or timeout in
+ * the MST specification. Since some hubs have been observed to take
+ * over 1 second to update their payload allocations under certain
+ * conditions, we use a rather large timeout value.
+ */
+ const int timeout_ms = 3000;
+ int ret, status;
+
+ ret = readx_poll_timeout(do_get_act_status, mgr->aux, status,
+ status & DP_PAYLOAD_ACT_HANDLED || status < 0,
+ 200, timeout_ms * USEC_PER_MSEC);
+ if (ret < 0 && status >= 0) {
+ DRM_DEBUG_KMS("Failed to get ACT after %dms, last status: %02x\n",
+ timeout_ms, status);
+ return -EINVAL;
+ } else if (status < 0) {
+ DRM_DEBUG_KMS("Failed to read payload table status: %d\n",
+ status);
+ return status;
}
+
return 0;
-fail:
- return ret;
}
EXPORT_SYMBOL(drm_dp_check_act_status);

diff --git a/drivers/gpu/drm/drm_encoder_slave.c b/drivers/gpu/drm/drm_encoder_slave.c
index cf804389f5ec..d50a7884e69e 100644
--- a/drivers/gpu/drm/drm_encoder_slave.c
+++ b/drivers/gpu/drm/drm_encoder_slave.c
@@ -84,7 +84,7 @@ int drm_i2c_encoder_init(struct drm_device *dev,

err = encoder_drv->encoder_init(client, dev, encoder);
if (err)
- goto fail_unregister;
+ goto fail_module_put;

if (info->platform_data)
encoder->slave_funcs->set_config(&encoder->base,
@@ -92,9 +92,10 @@ int drm_i2c_encoder_init(struct drm_device *dev,

return 0;

+fail_module_put:
+ module_put(module);
fail_unregister:
i2c_unregister_device(client);
- module_put(module);
fail:
return err;
}
diff --git a/drivers/gpu/drm/i915/i915_cmd_parser.c b/drivers/gpu/drm/i915/i915_cmd_parser.c
index e4b9eb1f6b60..f6b81f3256cf 100644
--- a/drivers/gpu/drm/i915/i915_cmd_parser.c
+++ b/drivers/gpu/drm/i915/i915_cmd_parser.c
@@ -570,6 +570,9 @@ struct drm_i915_reg_descriptor {
#define REG32(_reg, ...) \
{ .addr = (_reg), __VA_ARGS__ }

+#define REG32_IDX(_reg, idx) \
+ { .addr = _reg(idx) }
+
/*
* Convenience macro for adding 64-bit registers.
*
@@ -667,6 +670,7 @@ static const struct drm_i915_reg_descriptor gen9_blt_regs[] = {
REG64_IDX(RING_TIMESTAMP, BSD_RING_BASE),
REG32(BCS_SWCTRL),
REG64_IDX(RING_TIMESTAMP, BLT_RING_BASE),
+ REG32_IDX(RING_CTX_TIMESTAMP, BLT_RING_BASE),
REG64_IDX(BCS_GPR, 0),
REG64_IDX(BCS_GPR, 1),
REG64_IDX(BCS_GPR, 2),
diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
index f7c0698fec40..791a74b9907d 100644
--- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_kms.c
@@ -972,7 +972,8 @@ static int mdp5_init(struct platform_device *pdev, struct drm_device *dev)

return 0;
fail:
- mdp5_destroy(pdev);
+ if (mdp5_kms)
+ mdp5_destroy(pdev);
return ret;
}

diff --git a/drivers/gpu/drm/qxl/qxl_kms.c b/drivers/gpu/drm/qxl/qxl_kms.c
index c5716a0ca3b8..20ca0a75e685 100644
--- a/drivers/gpu/drm/qxl/qxl_kms.c
+++ b/drivers/gpu/drm/qxl/qxl_kms.c
@@ -181,7 +181,7 @@ int qxl_device_init(struct qxl_device *qdev,
&(qdev->ram_header->cursor_ring_hdr),
sizeof(struct qxl_command),
QXL_CURSOR_RING_SIZE,
- qdev->io_base + QXL_IO_NOTIFY_CMD,
+ qdev->io_base + QXL_IO_NOTIFY_CURSOR,
false,
&qdev->cursor_event);

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
index a1f8cba251a2..3d9148eb40a7 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h
@@ -143,7 +143,7 @@
#define SUN4I_HDMI_DDC_CMD_IMPLICIT_WRITE 3

#define SUN4I_HDMI_DDC_CLK_REG 0x528
-#define SUN4I_HDMI_DDC_CLK_M(m) (((m) & 0x7) << 3)
+#define SUN4I_HDMI_DDC_CLK_M(m) (((m) & 0xf) << 3)
#define SUN4I_HDMI_DDC_CLK_N(n) ((n) & 0x7)

#define SUN4I_HDMI_DDC_LINE_CTRL_REG 0x540
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
index 4692e8c345ed..58d9557a774f 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c
@@ -32,7 +32,7 @@ static unsigned long sun4i_ddc_calc_divider(unsigned long rate,
unsigned long best_rate = 0;
u8 best_m = 0, best_n = 0, _m, _n;

- for (_m = 0; _m < 8; _m++) {
+ for (_m = 0; _m < 16; _m++) {
for (_n = 0; _n < 8; _n++) {
unsigned long tmp_rate;

diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index 4b81dc231b18..5345b731bb7c 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -960,7 +960,8 @@ static int piix4_probe(struct pci_dev *dev, const struct pci_device_id *id)
}

if (dev->vendor == PCI_VENDOR_ID_AMD &&
- dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS) {
+ (dev->device == PCI_DEVICE_ID_AMD_HUDSON2_SMBUS ||
+ dev->device == PCI_DEVICE_ID_AMD_KERNCZ_SMBUS)) {
retval = piix4_setup_sb800(dev, id, 1);
}

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 600d264e080c..e300f9530f19 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -315,11 +315,10 @@ static void i2c_pxa_scream_blue_murder(struct pxa_i2c *i2c, const char *why)
dev_err(dev, "IBMR: %08x IDBR: %08x ICR: %08x ISR: %08x\n",
readl(_IBMR(i2c)), readl(_IDBR(i2c)), readl(_ICR(i2c)),
readl(_ISR(i2c)));
- dev_dbg(dev, "log: ");
+ dev_err(dev, "log:");
for (i = 0; i < i2c->irqlogidx; i++)
- pr_debug("[%08x:%08x] ", i2c->isrlog[i], i2c->icrlog[i]);
-
- pr_debug("\n");
+ pr_cont(" [%03x:%05x]", i2c->isrlog[i], i2c->icrlog[i]);
+ pr_cont("\n");
}

#else /* ifdef DEBUG */
@@ -709,11 +708,9 @@ static inline void i2c_pxa_stop_message(struct pxa_i2c *i2c)
{
u32 icr;

- /*
- * Clear the STOP and ACK flags
- */
+ /* Clear the START, STOP, ACK, TB and MA flags */
icr = readl(_ICR(i2c));
- icr &= ~(ICR_STOP | ICR_ACKNAK);
+ icr &= ~(ICR_START | ICR_STOP | ICR_ACKNAK | ICR_TB | ICR_MA);
writel(icr, _ICR(i2c));
}

diff --git a/drivers/iio/pressure/bmp280-core.c b/drivers/iio/pressure/bmp280-core.c
index 5f625ffa2a88..ae415b4e381a 100644
--- a/drivers/iio/pressure/bmp280-core.c
+++ b/drivers/iio/pressure/bmp280-core.c
@@ -182,6 +182,8 @@ static u32 bmp280_compensate_humidity(struct bmp280_data *data,
+ (s32)2097152) * H2 + 8192) >> 14);
var -= ((((var >> 15) * (var >> 15)) >> 7) * (s32)H1) >> 4;

+ var = clamp_val(var, 0, 419430400);
+
return var >> 12;
};

@@ -651,7 +653,7 @@ static int bmp180_measure(struct bmp280_data *data, u8 ctrl_meas)
unsigned int ctrl;

if (data->use_eoc)
- init_completion(&data->done);
+ reinit_completion(&data->done);

ret = regmap_write(data->regmap, BMP280_REG_CTRL_MEAS, ctrl_meas);
if (ret)
@@ -907,6 +909,9 @@ static int bmp085_fetch_eoc_irq(struct device *dev,
"trying to enforce it\n");
irq_trig = IRQF_TRIGGER_RISING;
}
+
+ init_completion(&data->done);
+
ret = devm_request_threaded_irq(dev,
irq,
bmp085_eoc_irq,
diff --git a/drivers/infiniband/core/cma_configfs.c b/drivers/infiniband/core/cma_configfs.c
index 54076a3e8007..ac47e8a1dfbf 100644
--- a/drivers/infiniband/core/cma_configfs.c
+++ b/drivers/infiniband/core/cma_configfs.c
@@ -319,8 +319,21 @@ static struct config_group *make_cma_dev(struct config_group *group,
return ERR_PTR(err);
}

+static void drop_cma_dev(struct config_group *cgroup, struct config_item *item)
+{
+ struct config_group *group =
+ container_of(item, struct config_group, cg_item);
+ struct cma_dev_group *cma_dev_group =
+ container_of(group, struct cma_dev_group, device_group);
+
+ configfs_remove_default_groups(&cma_dev_group->ports_group);
+ configfs_remove_default_groups(&cma_dev_group->device_group);
+ config_item_put(item);
+}
+
static struct configfs_group_operations cma_subsys_group_ops = {
.make_group = make_cma_dev,
+ .drop_item = drop_cma_dev,
};

static struct config_item_type cma_subsys_type = {
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 96a6583e7b52..66c764491a83 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1374,7 +1374,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
if (__set_blocks(n1, n1->keys + n2->keys,
block_bytes(b->c)) >
btree_blocks(new_nodes[i]))
- goto out_nocoalesce;
+ goto out_unlock_nocoalesce;

keys = n2->keys;
/* Take the key of the node we're getting rid of */
@@ -1403,7 +1403,7 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,

if (__bch_keylist_realloc(&keylist,
bkey_u64s(&new_nodes[i]->key)))
- goto out_nocoalesce;
+ goto out_unlock_nocoalesce;

bch_btree_node_write(new_nodes[i], &cl);
bch_keylist_add(&keylist, &new_nodes[i]->key);
@@ -1449,6 +1449,10 @@ static int btree_gc_coalesce(struct btree *b, struct btree_op *op,
/* Invalidated our iterator */
return -EINTR;

+out_unlock_nocoalesce:
+ for (i = 0; i < nodes; i++)
+ mutex_unlock(&new_nodes[i]->write_lock);
+
out_nocoalesce:
closure_sync(&cl);
bch_keylist_free(&keylist);
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 8b7328666eaa..7c60aace8d25 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -1815,7 +1815,7 @@ static int multipath_prepare_ioctl(struct dm_target *ti,
int r;

current_pgpath = READ_ONCE(m->current_pgpath);
- if (!current_pgpath)
+ if (!current_pgpath || !test_bit(MPATHF_QUEUE_IO, &m->flags))
current_pgpath = choose_pgpath(m, 0);

if (current_pgpath) {
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 4d658a0c6025..c6d3a4bc811c 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -1580,7 +1580,7 @@ static struct dm_zone *dmz_get_rnd_zone_for_reclaim(struct dmz_metadata *zmd)
return dzone;
}

- return ERR_PTR(-EBUSY);
+ return NULL;
}

/*
@@ -1600,7 +1600,7 @@ static struct dm_zone *dmz_get_seq_zone_for_reclaim(struct dmz_metadata *zmd)
return zone;
}

- return ERR_PTR(-EBUSY);
+ return NULL;
}

/*
diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index 2fad512dce98..1015b200330b 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -350,8 +350,8 @@ static int dmz_do_reclaim(struct dmz_reclaim *zrc)

/* Get a data zone */
dzone = dmz_get_zone_for_reclaim(zmd);
- if (IS_ERR(dzone))
- return PTR_ERR(dzone);
+ if (!dzone)
+ return -EBUSY;

start = jiffies;

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 948344531baf..702a7d2c7e1e 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1168,6 +1168,8 @@ static int super_90_validate(struct mddev *mddev, struct md_rdev *rdev)
mddev->new_layout = mddev->layout;
mddev->new_chunk_sectors = mddev->chunk_sectors;
}
+ if (mddev->level == 0)
+ mddev->layout = -1;

if (sb->state & (1<<MD_SB_CLEAN))
mddev->recovery_cp = MaxSector;
@@ -1584,6 +1586,10 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_
rdev->ppl.sector = rdev->sb_start + rdev->ppl.offset;
}

+ if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RAID0_LAYOUT) &&
+ sb->level != 0)
+ return -EINVAL;
+
if (!refdev) {
ret = 1;
} else {
@@ -1694,6 +1700,10 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
mddev->new_chunk_sectors = mddev->chunk_sectors;
}

+ if (mddev->level == 0 &&
+ !(le32_to_cpu(sb->feature_map) & MD_FEATURE_RAID0_LAYOUT))
+ mddev->layout = -1;
+
if (le32_to_cpu(sb->feature_map) & MD_FEATURE_JOURNAL)
set_bit(MD_HAS_JOURNAL, &mddev->flags);

@@ -6757,6 +6767,9 @@ static int set_array_info(struct mddev *mddev, mdu_array_info_t *info)
mddev->external = 0;

mddev->layout = info->layout;
+ if (mddev->level == 0)
+ /* Cannot trust RAID0 layout info here */
+ mddev->layout = -1;
mddev->chunk_sectors = info->chunk_size >> 9;

if (mddev->persistent) {
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index cdafa5e0ea6d..e179c121c030 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -152,6 +152,9 @@ static int create_strip_zones(struct mddev *mddev, struct r0conf **private_conf)

if (conf->nr_strip_zones == 1) {
conf->layout = RAID0_ORIG_LAYOUT;
+ } else if (mddev->layout == RAID0_ORIG_LAYOUT ||
+ mddev->layout == RAID0_ALT_MULTIZONE_LAYOUT) {
+ conf->layout = mddev->layout;
} else if (default_layout == RAID0_ORIG_LAYOUT ||
default_layout == RAID0_ALT_MULTIZONE_LAYOUT) {
conf->layout = default_layout;
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
index 953d0790ffd5..3259fb82d3c4 100644
--- a/drivers/mfd/wm8994-core.c
+++ b/drivers/mfd/wm8994-core.c
@@ -696,3 +696,4 @@ module_i2c_driver(wm8994_i2c_driver);
MODULE_DESCRIPTION("Core support for the WM8994 audio CODEC");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>");
+MODULE_SOFTDEP("pre: wm8994_regulator");
diff --git a/drivers/mtd/nand/ams-delta.c b/drivers/mtd/nand/ams-delta.c
index dcec9cf4983f..e22a9ffa9cb7 100644
--- a/drivers/mtd/nand/ams-delta.c
+++ b/drivers/mtd/nand/ams-delta.c
@@ -263,7 +263,7 @@ static int ams_delta_cleanup(struct platform_device *pdev)
void __iomem *io_base = platform_get_drvdata(pdev);

/* Release resources, unregister device */
- nand_release(ams_delta_mtd);
+ nand_release(mtd_to_nand(ams_delta_mtd));

gpio_free_array(_mandatory_gpio, ARRAY_SIZE(_mandatory_gpio));
gpio_free(AMS_DELTA_GPIO_PIN_NAND_RB);
diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c
index 9d4a28fa6b73..99c738be2545 100644
--- a/drivers/mtd/nand/au1550nd.c
+++ b/drivers/mtd/nand/au1550nd.c
@@ -496,7 +496,7 @@ static int au1550nd_remove(struct platform_device *pdev)
struct au1550nd_ctx *ctx = platform_get_drvdata(pdev);
struct resource *r = platform_get_resource(pdev, IORESOURCE_MEM, 0);

- nand_release(nand_to_mtd(&ctx->chip));
+ nand_release(&ctx->chip);
iounmap(ctx->base);
release_mem_region(r->start, 0x1000);
kfree(ctx);
diff --git a/drivers/mtd/nand/bcm47xxnflash/main.c b/drivers/mtd/nand/bcm47xxnflash/main.c
index fb31429b70a9..d79694160845 100644
--- a/drivers/mtd/nand/bcm47xxnflash/main.c
+++ b/drivers/mtd/nand/bcm47xxnflash/main.c
@@ -65,7 +65,7 @@ static int bcm47xxnflash_remove(struct platform_device *pdev)
{
struct bcm47xxnflash *nflash = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&nflash->nand_chip));
+ nand_release(&nflash->nand_chip);

return 0;
}
diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 5655dca6ce43..ebcbcbaa8b54 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -688,7 +688,7 @@ static int bf5xx_nand_remove(struct platform_device *pdev)
* and their partitions, then go through freeing the
* resources used
*/
- nand_release(nand_to_mtd(&info->chip));
+ nand_release(&info->chip);

peripheral_free_list(bfin_nfc_pin_req);
bf5xx_nand_dma_remove(info);
diff --git a/drivers/mtd/nand/brcmnand/brcmnand.c b/drivers/mtd/nand/brcmnand/brcmnand.c
index f8d793b15a7a..2bb8e6faa539 100644
--- a/drivers/mtd/nand/brcmnand/brcmnand.c
+++ b/drivers/mtd/nand/brcmnand/brcmnand.c
@@ -2597,7 +2597,7 @@ int brcmnand_remove(struct platform_device *pdev)
struct brcmnand_host *host;

list_for_each_entry(host, &ctrl->host_list, node)
- nand_release(nand_to_mtd(&host->chip));
+ nand_release(&host->chip);

clk_disable_unprepare(ctrl->clk);

diff --git a/drivers/mtd/nand/cafe_nand.c b/drivers/mtd/nand/cafe_nand.c
index bc558c438a57..98c013094fa2 100644
--- a/drivers/mtd/nand/cafe_nand.c
+++ b/drivers/mtd/nand/cafe_nand.c
@@ -826,7 +826,7 @@ static void cafe_nand_remove(struct pci_dev *pdev)
/* Disable NAND IRQ in global IRQ mask register */
cafe_writel(cafe, ~1 & cafe_readl(cafe, GLOBAL_IRQ_MASK), GLOBAL_IRQ_MASK);
free_irq(pdev->irq, mtd);
- nand_release(mtd);
+ nand_release(chip);
free_rs(cafe->rs);
pci_iounmap(pdev, cafe->mmio);
dma_free_coherent(&cafe->pdev->dev,
diff --git a/drivers/mtd/nand/cmx270_nand.c b/drivers/mtd/nand/cmx270_nand.c
index 1fc435f994e1..7b824ae88ab0 100644
--- a/drivers/mtd/nand/cmx270_nand.c
+++ b/drivers/mtd/nand/cmx270_nand.c
@@ -230,7 +230,7 @@ module_init(cmx270_init);
static void __exit cmx270_cleanup(void)
{
/* Release resources, unregister device */
- nand_release(cmx270_nand_mtd);
+ nand_release(mtd_to_nand(cmx270_nand_mtd));

gpio_free(GPIO_NAND_RB);
gpio_free(GPIO_NAND_CS);
diff --git a/drivers/mtd/nand/cs553x_nand.c b/drivers/mtd/nand/cs553x_nand.c
index d48877540f14..647d4ee69345 100644
--- a/drivers/mtd/nand/cs553x_nand.c
+++ b/drivers/mtd/nand/cs553x_nand.c
@@ -338,7 +338,7 @@ static void __exit cs553x_cleanup(void)
mmio_base = this->IO_ADDR_R;

/* Release resources, unregister device */
- nand_release(mtd);
+ nand_release(this);
kfree(mtd->name);
cs553x_mtd[i] = NULL;

diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index ccc8c43abcff..e66f1385b49e 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -854,7 +854,7 @@ static int nand_davinci_remove(struct platform_device *pdev)
ecc4_busy = false;
spin_unlock_irq(&davinci_nand_lock);

- nand_release(nand_to_mtd(&info->chip));
+ nand_release(&info->chip);

clk_disable_unprepare(info->clk);

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index 3087b0ba7b7f..390a18ad68ee 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1444,9 +1444,7 @@ EXPORT_SYMBOL(denali_init);
/* driver exit point */
void denali_remove(struct denali_nand_info *denali)
{
- struct mtd_info *mtd = nand_to_mtd(&denali->nand);
-
- nand_release(mtd);
+ nand_release(&denali->nand);
kfree(denali->buf);
denali_disable_irq(denali);
}
diff --git a/drivers/mtd/nand/diskonchip.c b/drivers/mtd/nand/diskonchip.c
index c3aa53caab5c..4f48a9b4f9e3 100644
--- a/drivers/mtd/nand/diskonchip.c
+++ b/drivers/mtd/nand/diskonchip.c
@@ -1605,13 +1605,10 @@ static int __init doc_probe(unsigned long physadr)
numchips = doc2001_init(mtd);

if ((ret = nand_scan(mtd, numchips)) || (ret = doc->late_init(mtd))) {
- /* DBB note: i believe nand_release is necessary here, as
+ /* DBB note: i believe nand_cleanup is necessary here, as
buffers may have been allocated in nand_base. Check with
Thomas. FIX ME! */
- /* nand_release will call mtd_device_unregister, but we
- haven't yet added it. This is handled without incident by
- mtd_device_unregister, as far as I can tell. */
- nand_release(mtd);
+ nand_cleanup(nand);
kfree(nand);
goto fail;
}
@@ -1644,7 +1641,7 @@ static void release_nanddoc(void)
doc = nand_get_controller_data(nand);

nextmtd = doc->nextdoc;
- nand_release(mtd);
+ nand_release(nand);
iounmap(doc->virtadr);
release_mem_region(doc->physadr, DOC_IOREMAP_LEN);
kfree(nand);
diff --git a/drivers/mtd/nand/docg4.c b/drivers/mtd/nand/docg4.c
index 2436cbc71662..53fdf491d8c0 100644
--- a/drivers/mtd/nand/docg4.c
+++ b/drivers/mtd/nand/docg4.c
@@ -1376,7 +1376,7 @@ static int __init probe_docg4(struct platform_device *pdev)
return 0;

fail:
- nand_release(mtd); /* deletes partitions and mtd devices */
+ nand_release(nand); /* deletes partitions and mtd devices */
free_bch(doc->bch);
kfree(nand);

@@ -1389,7 +1389,7 @@ static int __init probe_docg4(struct platform_device *pdev)
static int __exit cleanup_docg4(struct platform_device *pdev)
{
struct docg4_priv *doc = platform_get_drvdata(pdev);
- nand_release(doc->mtd);
+ nand_release(mtd_to_nand(doc->mtd));
free_bch(doc->bch);
kfree(mtd_to_nand(doc->mtd));
iounmap(doc->virtadr);
diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c
index 17db2f90aa2c..0f70bd961234 100644
--- a/drivers/mtd/nand/fsl_elbc_nand.c
+++ b/drivers/mtd/nand/fsl_elbc_nand.c
@@ -813,7 +813,7 @@ static int fsl_elbc_chip_remove(struct fsl_elbc_mtd *priv)
struct fsl_elbc_fcm_ctrl *elbc_fcm_ctrl = priv->ctrl->nand;
struct mtd_info *mtd = nand_to_mtd(&priv->chip);

- nand_release(mtd);
+ nand_release(&priv->chip);

kfree(mtd->name);

diff --git a/drivers/mtd/nand/fsl_ifc_nand.c b/drivers/mtd/nand/fsl_ifc_nand.c
index 16deba1a2385..0d4928161439 100644
--- a/drivers/mtd/nand/fsl_ifc_nand.c
+++ b/drivers/mtd/nand/fsl_ifc_nand.c
@@ -927,7 +927,7 @@ static int fsl_ifc_chip_remove(struct fsl_ifc_mtd *priv)
{
struct mtd_info *mtd = nand_to_mtd(&priv->chip);

- nand_release(mtd);
+ nand_release(&priv->chip);

kfree(mtd->name);

diff --git a/drivers/mtd/nand/fsl_upm.c b/drivers/mtd/nand/fsl_upm.c
index a88e2cf66e0f..009e96fb92ae 100644
--- a/drivers/mtd/nand/fsl_upm.c
+++ b/drivers/mtd/nand/fsl_upm.c
@@ -326,7 +326,7 @@ static int fun_remove(struct platform_device *ofdev)
struct mtd_info *mtd = nand_to_mtd(&fun->chip);
int i;

- nand_release(mtd);
+ nand_release(&fun->chip);
kfree(mtd->name);

for (i = 0; i < fun->mchip_count; i++) {
diff --git a/drivers/mtd/nand/fsmc_nand.c b/drivers/mtd/nand/fsmc_nand.c
index eac15d9bf49e..3be80e15e400 100644
--- a/drivers/mtd/nand/fsmc_nand.c
+++ b/drivers/mtd/nand/fsmc_nand.c
@@ -1118,7 +1118,7 @@ static int fsmc_nand_remove(struct platform_device *pdev)
struct fsmc_nand_data *host = platform_get_drvdata(pdev);

if (host) {
- nand_release(nand_to_mtd(&host->nand));
+ nand_release(&host->nand);

if (host->mode == USE_DMA_ACCESS) {
dma_release_channel(host->write_dma_chan);
diff --git a/drivers/mtd/nand/gpio.c b/drivers/mtd/nand/gpio.c
index fd3648952b5a..81b02b81e984 100644
--- a/drivers/mtd/nand/gpio.c
+++ b/drivers/mtd/nand/gpio.c
@@ -199,7 +199,7 @@ static int gpio_nand_remove(struct platform_device *pdev)
{
struct gpiomtd *gpiomtd = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&gpiomtd->nand_chip));
+ nand_release(&gpiomtd->nand_chip);

if (gpio_is_valid(gpiomtd->plat.gpio_nwp))
gpio_set_value(gpiomtd->plat.gpio_nwp, 0);
diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
index d4d824ef64e9..c7d0d2eed6c2 100644
--- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c
@@ -2135,7 +2135,7 @@ static int gpmi_nand_remove(struct platform_device *pdev)
{
struct gpmi_nand_data *this = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&this->nand));
+ nand_release(&this->nand);
gpmi_free_dma_buffer(this);
release_resources(this);
return 0;
diff --git a/drivers/mtd/nand/hisi504_nand.c b/drivers/mtd/nand/hisi504_nand.c
index d9ee1a7e6956..1d1b541489f8 100644
--- a/drivers/mtd/nand/hisi504_nand.c
+++ b/drivers/mtd/nand/hisi504_nand.c
@@ -823,7 +823,7 @@ static int hisi_nfc_probe(struct platform_device *pdev)
return 0;

err_mtd:
- nand_release(mtd);
+ nand_release(chip);
err_res:
return ret;
}
@@ -831,9 +831,8 @@ static int hisi_nfc_probe(struct platform_device *pdev)
static int hisi_nfc_remove(struct platform_device *pdev)
{
struct hinfc_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = nand_to_mtd(&host->chip);

- nand_release(mtd);
+ nand_release(&host->chip);

return 0;
}
diff --git a/drivers/mtd/nand/jz4740_nand.c b/drivers/mtd/nand/jz4740_nand.c
index ad827d4af3e9..62ddea88edce 100644
--- a/drivers/mtd/nand/jz4740_nand.c
+++ b/drivers/mtd/nand/jz4740_nand.c
@@ -480,7 +480,7 @@ static int jz_nand_probe(struct platform_device *pdev)
return 0;

err_nand_release:
- nand_release(mtd);
+ nand_release(chip);
err_unclaim_banks:
while (chipnr--) {
unsigned char bank = nand->banks[chipnr];
@@ -500,7 +500,7 @@ static int jz_nand_remove(struct platform_device *pdev)
struct jz_nand *nand = platform_get_drvdata(pdev);
size_t i;

- nand_release(nand_to_mtd(&nand->chip));
+ nand_release(&nand->chip);

/* Deassert and disable all chips */
writel(0, nand->base + JZ_REG_NAND_CTRL);
diff --git a/drivers/mtd/nand/jz4780_nand.c b/drivers/mtd/nand/jz4780_nand.c
index e69f6ae4c539..86ff46eb7925 100644
--- a/drivers/mtd/nand/jz4780_nand.c
+++ b/drivers/mtd/nand/jz4780_nand.c
@@ -293,7 +293,7 @@ static int jz4780_nand_init_chip(struct platform_device *pdev,

ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
- nand_release(mtd);
+ nand_release(chip);
return ret;
}

@@ -308,7 +308,7 @@ static void jz4780_nand_cleanup_chips(struct jz4780_nand_controller *nfc)

while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct jz4780_nand_chip, chip_list);
- nand_release(nand_to_mtd(&chip->chip));
+ nand_release(&chip->chip);
list_del(&chip->chip_list);
}
}
diff --git a/drivers/mtd/nand/lpc32xx_mlc.c b/drivers/mtd/nand/lpc32xx_mlc.c
index 5796468db653..d19d07931c2b 100644
--- a/drivers/mtd/nand/lpc32xx_mlc.c
+++ b/drivers/mtd/nand/lpc32xx_mlc.c
@@ -805,7 +805,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
if (!res)
return res;

- nand_release(mtd);
+ nand_release(nand_chip);

err_exit4:
free_irq(host->irq, host);
@@ -829,9 +829,8 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
static int lpc32xx_nand_remove(struct platform_device *pdev)
{
struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);

- nand_release(mtd);
+ nand_release(&host->nand_chip);
free_irq(host->irq, host);
if (use_dma)
dma_release_channel(host->dma_chan);
diff --git a/drivers/mtd/nand/lpc32xx_slc.c b/drivers/mtd/nand/lpc32xx_slc.c
index b61f28a1554d..1be4aaa3d6e0 100644
--- a/drivers/mtd/nand/lpc32xx_slc.c
+++ b/drivers/mtd/nand/lpc32xx_slc.c
@@ -935,7 +935,7 @@ static int lpc32xx_nand_probe(struct platform_device *pdev)
if (!res)
return res;

- nand_release(mtd);
+ nand_release(chip);

err_exit3:
dma_release_channel(host->dma_chan);
@@ -954,9 +954,8 @@ static int lpc32xx_nand_remove(struct platform_device *pdev)
{
uint32_t tmp;
struct lpc32xx_nand_host *host = platform_get_drvdata(pdev);
- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);

- nand_release(mtd);
+ nand_release(&host->nand_chip);
dma_release_channel(host->dma_chan);

/* Force CE high */
diff --git a/drivers/mtd/nand/mpc5121_nfc.c b/drivers/mtd/nand/mpc5121_nfc.c
index b6b97cc9fba6..b8a93b47a290 100644
--- a/drivers/mtd/nand/mpc5121_nfc.c
+++ b/drivers/mtd/nand/mpc5121_nfc.c
@@ -829,7 +829,7 @@ static int mpc5121_nfc_remove(struct platform_device *op)
struct device *dev = &op->dev;
struct mtd_info *mtd = dev_get_drvdata(dev);

- nand_release(mtd);
+ nand_release(mtd_to_nand(mtd));
mpc5121_nfc_free(dev, mtd);

return 0;
diff --git a/drivers/mtd/nand/mtk_nand.c b/drivers/mtd/nand/mtk_nand.c
index e17f838b9b81..ff314ce104e5 100644
--- a/drivers/mtd/nand/mtk_nand.c
+++ b/drivers/mtd/nand/mtk_nand.c
@@ -1357,7 +1357,7 @@ static int mtk_nfc_nand_chip_init(struct device *dev, struct mtk_nfc *nfc,
ret = mtd_device_parse_register(mtd, NULL, NULL, NULL, 0);
if (ret) {
dev_err(dev, "mtd parse partition error\n");
- nand_release(mtd);
+ nand_cleanup(nand);
return ret;
}

@@ -1514,7 +1514,7 @@ static int mtk_nfc_remove(struct platform_device *pdev)
while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct mtk_nfc_nand_chip,
node);
- nand_release(nand_to_mtd(&chip->nand));
+ nand_release(&chip->nand);
list_del(&chip->node);
}

diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index fcb575d55b89..808d85bde9f2 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -1834,7 +1834,7 @@ static int mxcnd_remove(struct platform_device *pdev)
{
struct mxc_nand_host *host = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&host->nand));
+ nand_release(&host->nand);
if (host->clk_act)
clk_disable_unprepare(host->clk);

diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index d410de331854..e953eca67608 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -5046,12 +5046,12 @@ EXPORT_SYMBOL_GPL(nand_cleanup);
/**
* nand_release - [NAND Interface] Unregister the MTD device and free resources
* held by the NAND device
- * @mtd: MTD device structure
+ * @chip: NAND chip object
*/
-void nand_release(struct mtd_info *mtd)
+void nand_release(struct nand_chip *chip)
{
- mtd_device_unregister(mtd);
- nand_cleanup(mtd_to_nand(mtd));
+ mtd_device_unregister(nand_to_mtd(chip));
+ nand_cleanup(chip);
}
EXPORT_SYMBOL_GPL(nand_release);

diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 44322a363ba5..dbb0e47f5197 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -2356,7 +2356,7 @@ static int __init ns_init_module(void)

err_exit:
free_nandsim(nand);
- nand_release(nsmtd);
+ nand_release(chip);
for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)
kfree(nand->partitions[i].name);
error:
@@ -2378,7 +2378,7 @@ static void __exit ns_cleanup_module(void)
int i;

free_nandsim(ns); /* Free nandsim private resources */
- nand_release(nsmtd); /* Unregister driver */
+ nand_release(chip); /* Unregister driver */
for (i = 0;i < ARRAY_SIZE(ns->partitions); ++i)
kfree(ns->partitions[i].name);
kfree(mtd_to_nand(nsmtd)); /* Free other structures */
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index d8a806894937..eb84328d9bde 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -258,7 +258,7 @@ static int ndfc_remove(struct platform_device *ofdev)
struct ndfc_controller *ndfc = dev_get_drvdata(&ofdev->dev);
struct mtd_info *mtd = nand_to_mtd(&ndfc->chip);

- nand_release(mtd);
+ nand_release(&ndfc->chip);
kfree(mtd->name);

return 0;
diff --git a/drivers/mtd/nand/nuc900_nand.c b/drivers/mtd/nand/nuc900_nand.c
index 7bb4d2ea9342..a79f88c6d010 100644
--- a/drivers/mtd/nand/nuc900_nand.c
+++ b/drivers/mtd/nand/nuc900_nand.c
@@ -284,7 +284,7 @@ static int nuc900_nand_remove(struct platform_device *pdev)
{
struct nuc900_nand *nuc900_nand = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&nuc900_nand->chip));
+ nand_release(&nuc900_nand->chip);
clk_disable(nuc900_nand->clk);

return 0;
diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
index 9f98f74ff221..110c0726c665 100644
--- a/drivers/mtd/nand/omap2.c
+++ b/drivers/mtd/nand/omap2.c
@@ -2306,7 +2306,7 @@ static int omap_nand_remove(struct platform_device *pdev)
}
if (info->dma)
dma_release_channel(info->dma);
- nand_release(mtd);
+ nand_release(nand_chip);
return 0;
}

diff --git a/drivers/mtd/nand/orion_nand.c b/drivers/mtd/nand/orion_nand.c
index 5a5aa1f07d07..df07f9b4cf03 100644
--- a/drivers/mtd/nand/orion_nand.c
+++ b/drivers/mtd/nand/orion_nand.c
@@ -186,7 +186,7 @@ static int __init orion_nand_probe(struct platform_device *pdev)
mtd->name = "orion_nand";
ret = mtd_device_register(mtd, board->parts, board->nr_parts);
if (ret) {
- nand_release(mtd);
+ nand_cleanup(nc);
goto no_dev;
}

@@ -201,9 +201,8 @@ static int orion_nand_remove(struct platform_device *pdev)
{
struct orion_nand_info *info = platform_get_drvdata(pdev);
struct nand_chip *chip = &info->chip;
- struct mtd_info *mtd = nand_to_mtd(chip);

- nand_release(mtd);
+ nand_release(chip);

clk_disable_unprepare(info->clk);

diff --git a/drivers/mtd/nand/oxnas_nand.c b/drivers/mtd/nand/oxnas_nand.c
index d649d5944826..350d4226b436 100644
--- a/drivers/mtd/nand/oxnas_nand.c
+++ b/drivers/mtd/nand/oxnas_nand.c
@@ -123,7 +123,7 @@ static int oxnas_nand_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!chip) {
err = -ENOMEM;
- goto err_clk_unprepare;
+ goto err_release_child;
}

chip->controller = &oxnas->base;
@@ -144,13 +144,11 @@ static int oxnas_nand_probe(struct platform_device *pdev)
/* Scan to find existence of the device */
err = nand_scan(mtd, 1);
if (err)
- goto err_clk_unprepare;
+ goto err_release_child;

err = mtd_device_register(mtd, NULL, 0);
- if (err) {
- nand_release(mtd);
- goto err_clk_unprepare;
- }
+ if (err)
+ goto err_cleanup_nand;

oxnas->chips[nchips] = chip;
++nchips;
@@ -166,6 +164,10 @@ static int oxnas_nand_probe(struct platform_device *pdev)

return 0;

+err_cleanup_nand:
+ nand_cleanup(chip);
+err_release_child:
+ of_node_put(nand_np);
err_clk_unprepare:
clk_disable_unprepare(oxnas->clk);
return err;
@@ -176,7 +178,7 @@ static int oxnas_nand_remove(struct platform_device *pdev)
struct oxnas_nand_ctrl *oxnas = platform_get_drvdata(pdev);

if (oxnas->chips[0])
- nand_release(nand_to_mtd(oxnas->chips[0]));
+ nand_release(oxnas->chips[0]);

clk_disable_unprepare(oxnas->clk);

diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c
index d69e5bae541e..f0f4ff960965 100644
--- a/drivers/mtd/nand/pasemi_nand.c
+++ b/drivers/mtd/nand/pasemi_nand.c
@@ -193,7 +193,7 @@ static int pasemi_nand_remove(struct platform_device *ofdev)
chip = mtd_to_nand(pasemi_nand_mtd);

/* Release resources, unregister device */
- nand_release(pasemi_nand_mtd);
+ nand_release(chip);

release_region(lpcctl, 4);

diff --git a/drivers/mtd/nand/plat_nand.c b/drivers/mtd/nand/plat_nand.c
index 925a1323604d..8c2d1c5c9569 100644
--- a/drivers/mtd/nand/plat_nand.c
+++ b/drivers/mtd/nand/plat_nand.c
@@ -99,7 +99,7 @@ static int plat_nand_probe(struct platform_device *pdev)
if (!err)
return err;

- nand_release(mtd);
+ nand_cleanup(&data->chip);
out:
if (pdata->ctrl.remove)
pdata->ctrl.remove(pdev);
@@ -114,7 +114,7 @@ static int plat_nand_remove(struct platform_device *pdev)
struct plat_nand_data *data = platform_get_drvdata(pdev);
struct platform_nand_data *pdata = dev_get_platdata(&pdev->dev);

- nand_release(nand_to_mtd(&data->chip));
+ nand_release(&data->chip);
if (pdata->ctrl.remove)
pdata->ctrl.remove(pdev);

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 125b744c9c28..df62f99979f3 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1915,7 +1915,7 @@ static int pxa3xx_nand_remove(struct platform_device *pdev)
clk_disable_unprepare(info->clk);

for (cs = 0; cs < pdata->num_cs; cs++)
- nand_release(nand_to_mtd(&info->host[cs]->chip));
+ nand_release(&info->host[cs]->chip);
return 0;
}

diff --git a/drivers/mtd/nand/qcom_nandc.c b/drivers/mtd/nand/qcom_nandc.c
index 09d5f7df6023..65d1be2c3049 100644
--- a/drivers/mtd/nand/qcom_nandc.c
+++ b/drivers/mtd/nand/qcom_nandc.c
@@ -2760,7 +2760,7 @@ static int qcom_nandc_remove(struct platform_device *pdev)
struct qcom_nand_host *host;

list_for_each_entry(host, &nandc->host_list, node)
- nand_release(nand_to_mtd(&host->chip));
+ nand_release(&host->chip);

qcom_nandc_unalloc(nandc);

diff --git a/drivers/mtd/nand/r852.c b/drivers/mtd/nand/r852.c
index fc9287af4614..2cfa54941395 100644
--- a/drivers/mtd/nand/r852.c
+++ b/drivers/mtd/nand/r852.c
@@ -656,7 +656,7 @@ static int r852_register_nand_device(struct r852_device *dev)
dev->card_registred = 1;
return 0;
error3:
- nand_release(mtd);
+ nand_release(dev->chip);
error1:
/* Force card redetect */
dev->card_detected = 0;
@@ -675,7 +675,7 @@ static void r852_unregister_nand_device(struct r852_device *dev)
return;

device_remove_file(&mtd->dev, &dev_attr_media_type);
- nand_release(mtd);
+ nand_release(dev->chip);
r852_engine_disable(dev);
dev->card_registred = 0;
}
diff --git a/drivers/mtd/nand/s3c2410.c b/drivers/mtd/nand/s3c2410.c
index 4c383eeec6f6..f60de68bfabc 100644
--- a/drivers/mtd/nand/s3c2410.c
+++ b/drivers/mtd/nand/s3c2410.c
@@ -784,7 +784,7 @@ static int s3c24xx_nand_remove(struct platform_device *pdev)

for (mtdno = 0; mtdno < info->mtd_count; mtdno++, ptr++) {
pr_debug("releasing mtd %d (%p)\n", mtdno, ptr);
- nand_release(nand_to_mtd(&ptr->chip));
+ nand_release(&ptr->chip);
}
}

diff --git a/drivers/mtd/nand/sh_flctl.c b/drivers/mtd/nand/sh_flctl.c
index 43db80e5d994..f2ed03ee3035 100644
--- a/drivers/mtd/nand/sh_flctl.c
+++ b/drivers/mtd/nand/sh_flctl.c
@@ -1231,7 +1231,7 @@ static int flctl_remove(struct platform_device *pdev)
struct sh_flctl *flctl = platform_get_drvdata(pdev);

flctl_release_dma(flctl);
- nand_release(nand_to_mtd(&flctl->chip));
+ nand_release(&flctl->chip);
pm_runtime_disable(&pdev->dev);

return 0;
diff --git a/drivers/mtd/nand/sharpsl.c b/drivers/mtd/nand/sharpsl.c
index f59c455d9f51..c245d66609c1 100644
--- a/drivers/mtd/nand/sharpsl.c
+++ b/drivers/mtd/nand/sharpsl.c
@@ -192,7 +192,7 @@ static int sharpsl_nand_probe(struct platform_device *pdev)
return 0;

err_add:
- nand_release(mtd);
+ nand_cleanup(this);

err_scan:
iounmap(sharpsl->io);
@@ -210,7 +210,7 @@ static int sharpsl_nand_remove(struct platform_device *pdev)
struct sharpsl_nand *sharpsl = platform_get_drvdata(pdev);

/* Release resources, unregister device */
- nand_release(nand_to_mtd(&sharpsl->chip));
+ nand_release(&sharpsl->chip);

iounmap(sharpsl->io);

diff --git a/drivers/mtd/nand/socrates_nand.c b/drivers/mtd/nand/socrates_nand.c
index 575997d0ef8a..8d4f0cd7197d 100644
--- a/drivers/mtd/nand/socrates_nand.c
+++ b/drivers/mtd/nand/socrates_nand.c
@@ -195,7 +195,7 @@ static int socrates_nand_probe(struct platform_device *ofdev)
if (!res)
return res;

- nand_release(mtd);
+ nand_cleanup(nand_chip);

out:
iounmap(host->io_base);
@@ -208,9 +208,8 @@ static int socrates_nand_probe(struct platform_device *ofdev)
static int socrates_nand_remove(struct platform_device *ofdev)
{
struct socrates_nand_host *host = dev_get_drvdata(&ofdev->dev);
- struct mtd_info *mtd = nand_to_mtd(&host->nand_chip);

- nand_release(mtd);
+ nand_release(&host->nand_chip);

iounmap(host->io_base);

diff --git a/drivers/mtd/nand/sunxi_nand.c b/drivers/mtd/nand/sunxi_nand.c
index 8e5231482397..d6e31e8a7b66 100644
--- a/drivers/mtd/nand/sunxi_nand.c
+++ b/drivers/mtd/nand/sunxi_nand.c
@@ -2125,7 +2125,7 @@ static int sunxi_nand_chip_init(struct device *dev, struct sunxi_nfc *nfc,
ret = mtd_device_register(mtd, NULL, 0);
if (ret) {
dev_err(dev, "failed to register mtd device: %d\n", ret);
- nand_release(mtd);
+ nand_release(nand);
return ret;
}

@@ -2164,7 +2164,7 @@ static void sunxi_nand_chips_cleanup(struct sunxi_nfc *nfc)
while (!list_empty(&nfc->chips)) {
chip = list_first_entry(&nfc->chips, struct sunxi_nand_chip,
node);
- nand_release(nand_to_mtd(&chip->nand));
+ nand_release(&chip->nand);
sunxi_nand_ecc_cleanup(&chip->nand.ecc);
list_del(&chip->node);
}
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index ce366816a7ef..1ab16a90ea29 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -619,7 +619,7 @@ static int tango_nand_remove(struct platform_device *pdev)

for (cs = 0; cs < MAX_CS; ++cs) {
if (nfc->chips[cs])
- nand_release(nand_to_mtd(&nfc->chips[cs]->nand_chip));
+ nand_release(&nfc->chips[cs]->nand_chip);
}

return 0;
diff --git a/drivers/mtd/nand/tmio_nand.c b/drivers/mtd/nand/tmio_nand.c
index 84dbf32332e1..51f12b9f90ba 100644
--- a/drivers/mtd/nand/tmio_nand.c
+++ b/drivers/mtd/nand/tmio_nand.c
@@ -448,7 +448,7 @@ static int tmio_probe(struct platform_device *dev)
if (!retval)
return retval;

- nand_release(mtd);
+ nand_cleanup(nand_chip);

err_irq:
tmio_hw_stop(dev, tmio);
@@ -459,7 +459,7 @@ static int tmio_remove(struct platform_device *dev)
{
struct tmio_nand *tmio = platform_get_drvdata(dev);

- nand_release(nand_to_mtd(&tmio->chip));
+ nand_release(&tmio->chip);
tmio_hw_stop(dev, tmio);
return 0;
}
diff --git a/drivers/mtd/nand/txx9ndfmc.c b/drivers/mtd/nand/txx9ndfmc.c
index b567d212fe7d..236181b2985a 100644
--- a/drivers/mtd/nand/txx9ndfmc.c
+++ b/drivers/mtd/nand/txx9ndfmc.c
@@ -390,7 +390,7 @@ static int __exit txx9ndfmc_remove(struct platform_device *dev)
chip = mtd_to_nand(mtd);
txx9_priv = nand_get_controller_data(chip);

- nand_release(mtd);
+ nand_release(chip);
kfree(txx9_priv->mtdname);
kfree(txx9_priv);
}
diff --git a/drivers/mtd/nand/vf610_nfc.c b/drivers/mtd/nand/vf610_nfc.c
index e2583a539b41..688393526b5a 100644
--- a/drivers/mtd/nand/vf610_nfc.c
+++ b/drivers/mtd/nand/vf610_nfc.c
@@ -794,7 +794,7 @@ static int vf610_nfc_remove(struct platform_device *pdev)
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct vf610_nfc *nfc = mtd_to_nfc(mtd);

- nand_release(mtd);
+ nand_release(mtd_to_nand(mtd));
clk_disable_unprepare(nfc->clk);
return 0;
}
diff --git a/drivers/mtd/nand/xway_nand.c b/drivers/mtd/nand/xway_nand.c
index 9926b4e3d69d..176a94fa31d7 100644
--- a/drivers/mtd/nand/xway_nand.c
+++ b/drivers/mtd/nand/xway_nand.c
@@ -211,7 +211,7 @@ static int xway_nand_probe(struct platform_device *pdev)

err = mtd_device_register(mtd, NULL, 0);
if (err)
- nand_release(mtd);
+ nand_cleanup(&data->chip);

return err;
}
@@ -223,7 +223,7 @@ static int xway_nand_remove(struct platform_device *pdev)
{
struct xway_nand_data *data = platform_get_drvdata(pdev);

- nand_release(nand_to_mtd(&data->chip));
+ nand_release(&data->chip);

return 0;
}
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 5269af303f55..fff55f0bed30 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -6328,11 +6328,17 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
struct net_device *netdev = pci_get_drvdata(pdev);
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
- u32 ctrl, ctrl_ext, rctl, status;
- /* Runtime suspend should only enable wakeup for link changes */
- u32 wufc = runtime ? E1000_WUFC_LNKC : adapter->wol;
+ u32 ctrl, ctrl_ext, rctl, status, wufc;
int retval = 0;

+ /* Runtime suspend should only enable wakeup for link changes */
+ if (runtime)
+ wufc = E1000_WUFC_LNKC;
+ else if (device_may_wakeup(&pdev->dev))
+ wufc = adapter->wol;
+ else
+ wufc = 0;
+
status = er32(STATUS);
if (status & E1000_STATUS_LU)
wufc &= ~E1000_WUFC_LNKC;
@@ -6389,7 +6395,7 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool runtime)
if (adapter->hw.phy.type == e1000_phy_igp_3) {
e1000e_igp3_phy_powerdown_workaround_ich8lan(&adapter->hw);
} else if (hw->mac.type >= e1000_pch_lpt) {
- if (!(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
+ if (wufc && !(wufc & (E1000_WUFC_EX | E1000_WUFC_MC | E1000_WUFC_BC)))
/* ULP does not support wake from unicast, multicast
* or broadcast.
*/
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 6d3fa36b1616..3c9f8770f7e7 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -915,9 +915,10 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)
if (geneve->collect_md) {
info = skb_tunnel_info(skb);
if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) {
- err = -EINVAL;
netdev_dbg(dev, "no tunnel metadata\n");
- goto tx_error;
+ dev_kfree_skb(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
}
} else {
info = &geneve->info;
@@ -934,7 +935,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev)

if (likely(!err))
return NETDEV_TX_OK;
-tx_error:
+
dev_kfree_skb(skb);

if (err == -ELOOP)
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 16a6e1193912..b74c735a423d 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1162,6 +1162,7 @@ static int __init yam_init_driver(void)
err = register_netdev(dev);
if (err) {
printk(KERN_WARNING "yam: cannot register net device %s\n", dev->name);
+ free_netdev(dev);
goto error;
}
yam_devs[i] = dev;
diff --git a/drivers/ntb/ntb.c b/drivers/ntb/ntb.c
index 03b80d89b980..b75ec229b39a 100644
--- a/drivers/ntb/ntb.c
+++ b/drivers/ntb/ntb.c
@@ -216,10 +216,8 @@ int ntb_default_port_number(struct ntb_dev *ntb)
case NTB_TOPO_B2B_DSD:
return NTB_PORT_SEC_DSD;
default:
- break;
+ return 0;
}
-
- return -EINVAL;
}
EXPORT_SYMBOL(ntb_default_port_number);

@@ -242,10 +240,8 @@ int ntb_default_peer_port_number(struct ntb_dev *ntb, int pidx)
case NTB_TOPO_B2B_DSD:
return NTB_PORT_PRI_USD;
default:
- break;
+ return 0;
}
-
- return -EINVAL;
}
EXPORT_SYMBOL(ntb_default_peer_port_number);

diff --git a/drivers/pci/host/pci-aardvark.c b/drivers/pci/host/pci-aardvark.c
index 5f3048e75bec..c1db09fbbe04 100644
--- a/drivers/pci/host/pci-aardvark.c
+++ b/drivers/pci/host/pci-aardvark.c
@@ -365,10 +365,6 @@ static void advk_pcie_setup_hw(struct advk_pcie *pcie)

advk_pcie_wait_for_link(pcie);

- reg = PCIE_CORE_LINK_L0S_ENTRY |
- (1 << PCIE_CORE_LINK_WIDTH_SHIFT);
- advk_writel(pcie, reg, PCIE_CORE_LINK_CTRL_STAT_REG);
-
reg = advk_readl(pcie, PCIE_CORE_CMD_STATUS_REG);
reg |= PCIE_CORE_CMD_MEM_ACCESS_EN |
PCIE_CORE_CMD_IO_ACCESS_EN |
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
index 2b0a1f3b8265..0077afca2493 100644
--- a/drivers/pci/host/pcie-rcar.c
+++ b/drivers/pci/host/pcie-rcar.c
@@ -328,11 +328,12 @@ static struct pci_ops rcar_pcie_ops = {
};

static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie,
- struct resource *res)
+ struct resource_entry *window)
{
/* Setup PCIe address space mappings for each resource */
resource_size_t size;
resource_size_t res_start;
+ struct resource *res = window->res;
u32 mask;

rcar_pci_write_reg(pcie, 0x00000000, PCIEPTCTLR(win));
@@ -346,9 +347,9 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie,
rcar_pci_write_reg(pcie, mask << 7, PCIEPAMR(win));

if (res->flags & IORESOURCE_IO)
- res_start = pci_pio_to_address(res->start);
+ res_start = pci_pio_to_address(res->start) - window->offset;
else
- res_start = res->start;
+ res_start = res->start - window->offset;

rcar_pci_write_reg(pcie, upper_32_bits(res_start), PCIEPAUR(win));
rcar_pci_write_reg(pcie, lower_32_bits(res_start) & ~0x7F,
@@ -377,7 +378,7 @@ static int rcar_pcie_setup(struct list_head *resource, struct rcar_pcie *pci)
switch (resource_type(res)) {
case IORESOURCE_IO:
case IORESOURCE_MEM:
- rcar_pcie_setup_window(i, pci, res);
+ rcar_pcie_setup_window(i, pci, win);
i++;
break;
case IORESOURCE_BUS:
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 400031622b76..04d5c62588b7 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -584,16 +584,6 @@ static void pcie_aspm_cap_init(struct pcie_link_state *link, int blacklist)

/* Setup initial capable state. Will be updated later */
link->aspm_capable = link->aspm_support;
- /*
- * If the downstream component has pci bridge function, don't
- * do ASPM for now.
- */
- list_for_each_entry(child, &linkbus->devices, bus_list) {
- if (pci_pcie_type(child) == PCI_EXP_TYPE_PCI_BRIDGE) {
- link->aspm_disable = ASPM_STATE_ALL;
- break;
- }
- }

/* Get and check endpoint acceptable latencies */
list_for_each_entry(child, &linkbus->devices, bus_list) {
diff --git a/drivers/pci/pcie/ptm.c b/drivers/pci/pcie/ptm.c
index 3008bba360f3..ec6f6213960b 100644
--- a/drivers/pci/pcie/ptm.c
+++ b/drivers/pci/pcie/ptm.c
@@ -47,10 +47,6 @@ void pci_ptm_init(struct pci_dev *dev)
if (!pci_is_pcie(dev))
return;

- pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_PTM);
- if (!pos)
- return;
-
/*
* Enable PTM only on interior devices (root ports, switch ports,
* etc.) on the assumption that it causes no link traffic until an
@@ -60,6 +56,23 @@ void pci_ptm_init(struct pci_dev *dev)
pci_pcie_type(dev) == PCI_EXP_TYPE_RC_END))
return;

+ /*
+ * Switch Downstream Ports are not permitted to have a PTM
+ * capability; their PTM behavior is controlled by the Upstream
+ * Port (PCIe r5.0, sec 7.9.16).
+ */
+ ups = pci_upstream_bridge(dev);
+ if (pci_pcie_type(dev) == PCI_EXP_TYPE_DOWNSTREAM &&
+ ups && ups->ptm_enabled) {
+ dev->ptm_granularity = ups->ptm_granularity;
+ dev->ptm_enabled = 1;
+ return;
+ }
+
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_PTM);
+ if (!pos)
+ return;
+
pci_read_config_dword(dev, pos + PCI_PTM_CAP, &cap);
local_clock = (cap & PCI_PTM_GRANULARITY_MASK) >> 8;

@@ -69,7 +82,6 @@ void pci_ptm_init(struct pci_dev *dev)
* the spec recommendation (PCIe r3.1, sec 7.32.3), select the
* furthest upstream Time Source as the PTM Root.
*/
- ups = pci_upstream_bridge(dev);
if (ups && ups->ptm_enabled) {
ctrl = PCI_PTM_CTRL_ENABLE;
if (ups->ptm_granularity == 0)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 31cc04aeaaaa..55ece07e584a 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -792,9 +792,10 @@ static int pci_register_host_bridge(struct pci_host_bridge *bridge)
goto free;

err = device_register(&bridge->dev);
- if (err)
+ if (err) {
put_device(&bridge->dev);
-
+ goto free;
+ }
bus->bridge = get_device(&bridge->dev);
device_enable_async_suspend(bus->bridge);
pci_set_bus_of_node(bus);
diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c
index 17f2c5a505b2..ec0119e1e781 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx.c
@@ -661,16 +661,6 @@ static int imx_pinctrl_probe_dt(struct platform_device *pdev,
return 0;
}

-/*
- * imx_free_resources() - free memory used by this driver
- * @info: info driver instance
- */
-static void imx_free_resources(struct imx_pinctrl *ipctl)
-{
- if (ipctl->pctl)
- pinctrl_unregister(ipctl->pctl);
-}
-
int imx_pinctrl_probe(struct platform_device *pdev,
struct imx_pinctrl_soc_info *info)
{
@@ -761,21 +751,16 @@ int imx_pinctrl_probe(struct platform_device *pdev,
&ipctl->pctl);
if (ret) {
dev_err(&pdev->dev, "could not register IMX pinctrl driver\n");
- goto free;
+ return ret;
}

ret = imx_pinctrl_probe_dt(pdev, ipctl);
if (ret) {
dev_err(&pdev->dev, "fail to probe dt properties\n");
- goto free;
+ return ret;
}

dev_info(&pdev->dev, "initialized IMX pinctrl driver\n");

return pinctrl_enable(ipctl->pctl);
-
-free:
- imx_free_resources(ipctl);
-
- return ret;
}
diff --git a/drivers/pinctrl/freescale/pinctrl-imx1-core.c b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
index e2cca91fd266..68108c4c3969 100644
--- a/drivers/pinctrl/freescale/pinctrl-imx1-core.c
+++ b/drivers/pinctrl/freescale/pinctrl-imx1-core.c
@@ -642,7 +642,6 @@ int imx1_pinctrl_core_probe(struct platform_device *pdev,

ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
if (ret) {
- pinctrl_unregister(ipctl->pctl);
dev_err(&pdev->dev, "Failed to populate subdevices\n");
return ret;
}
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index 5ab90c1f3f7c..24163cf8612c 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig
@@ -530,7 +530,7 @@ config CHARGER_BQ24257
tristate "TI BQ24250/24251/24257 battery charger driver"
depends on I2C
depends on GPIOLIB || COMPILE_TEST
- depends on REGMAP_I2C
+ select REGMAP_I2C
help
Say Y to enable support for the TI BQ24250, BQ24251, and BQ24257 battery
chargers.
diff --git a/drivers/power/supply/lp8788-charger.c b/drivers/power/supply/lp8788-charger.c
index 0f3432795f3c..b8f7dac7ac3f 100644
--- a/drivers/power/supply/lp8788-charger.c
+++ b/drivers/power/supply/lp8788-charger.c
@@ -600,27 +600,14 @@ static void lp8788_setup_adc_channel(struct device *dev,
return;

/* ADC channel for battery voltage */
- chan = iio_channel_get(dev, pdata->adc_vbatt);
+ chan = devm_iio_channel_get(dev, pdata->adc_vbatt);
pchg->chan[LP8788_VBATT] = IS_ERR(chan) ? NULL : chan;

/* ADC channel for battery temperature */
- chan = iio_channel_get(dev, pdata->adc_batt_temp);
+ chan = devm_iio_channel_get(dev, pdata->adc_batt_temp);
pchg->chan[LP8788_BATT_TEMP] = IS_ERR(chan) ? NULL : chan;
}

-static void lp8788_release_adc_channel(struct lp8788_charger *pchg)
-{
- int i;
-
- for (i = 0; i < LP8788_NUM_CHG_ADC; i++) {
- if (!pchg->chan[i])
- continue;
-
- iio_channel_release(pchg->chan[i]);
- pchg->chan[i] = NULL;
- }
-}
-
static ssize_t lp8788_show_charger_status(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -747,7 +734,6 @@ static int lp8788_charger_remove(struct platform_device *pdev)
lp8788_irq_unregister(pdev, pchg);
sysfs_remove_group(&pdev->dev.kobj, &lp8788_attr_group);
lp8788_psy_unregister(pchg);
- lp8788_release_adc_channel(pchg);

return 0;
}
diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c
index 072c5189bd6d..0655dbdc7000 100644
--- a/drivers/power/supply/smb347-charger.c
+++ b/drivers/power/supply/smb347-charger.c
@@ -1141,6 +1141,7 @@ static bool smb347_volatile_reg(struct device *dev, unsigned int reg)
switch (reg) {
case IRQSTAT_A:
case IRQSTAT_C:
+ case IRQSTAT_D:
case IRQSTAT_E:
case IRQSTAT_F:
case STAT_A:
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 8f4fa1a52f05..d6372470e5be 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -1432,6 +1432,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
rproc->dev.type = &rproc_type;
rproc->dev.class = &rproc_class;
rproc->dev.driver_data = rproc;
+ idr_init(&rproc->notifyids);

/* Assign a unique device index and name */
rproc->index = ida_simple_get(&rproc_dev_index, 0, 0, GFP_KERNEL);
@@ -1450,8 +1451,6 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,

mutex_init(&rproc->lock);

- idr_init(&rproc->notifyids);
-
INIT_LIST_HEAD(&rproc->carveouts);
INIT_LIST_HEAD(&rproc->mappings);
INIT_LIST_HEAD(&rproc->traces);
diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h
index 29d6b5222f1c..0f8d13288611 100644
--- a/drivers/s390/cio/qdio.h
+++ b/drivers/s390/cio/qdio.h
@@ -377,7 +377,6 @@ static inline int multicast_outbound(struct qdio_q *q)
extern u64 last_ai_time;

/* prototypes for thin interrupt */
-void qdio_setup_thinint(struct qdio_irq *irq_ptr);
int qdio_establish_thinint(struct qdio_irq *irq_ptr);
void qdio_shutdown_thinint(struct qdio_irq *irq_ptr);
void tiqdio_add_input_queues(struct qdio_irq *irq_ptr);
diff --git a/drivers/s390/cio/qdio_setup.c b/drivers/s390/cio/qdio_setup.c
index d0090c5c88e7..a64615a10352 100644
--- a/drivers/s390/cio/qdio_setup.c
+++ b/drivers/s390/cio/qdio_setup.c
@@ -479,7 +479,6 @@ int qdio_setup_irq(struct qdio_initialize *init_data)
setup_queues(irq_ptr, init_data);

setup_qib(irq_ptr, init_data);
- qdio_setup_thinint(irq_ptr);
set_impl_params(irq_ptr, init_data->qib_param_field_format,
init_data->qib_param_field,
init_data->input_slib_elements,
diff --git a/drivers/s390/cio/qdio_thinint.c b/drivers/s390/cio/qdio_thinint.c
index 831a3a0a2837..4dc1108069d4 100644
--- a/drivers/s390/cio/qdio_thinint.c
+++ b/drivers/s390/cio/qdio_thinint.c
@@ -270,17 +270,19 @@ int __init tiqdio_register_thinints(void)

int qdio_establish_thinint(struct qdio_irq *irq_ptr)
{
+ int rc;
+
if (!is_thinint_irq(irq_ptr))
return 0;
- return set_subchannel_ind(irq_ptr, 0);
-}

-void qdio_setup_thinint(struct qdio_irq *irq_ptr)
-{
- if (!is_thinint_irq(irq_ptr))
- return;
irq_ptr->dsci = get_indicator();
DBF_HEX(&irq_ptr->dsci, sizeof(void *));
+
+ rc = set_subchannel_ind(irq_ptr, 0);
+ if (rc)
+ put_indicator(irq_ptr->dsci);
+
+ return rc;
}

void qdio_shutdown_thinint(struct qdio_irq *irq_ptr)
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 421fe869a11e..ef9d907f2df5 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -2914,8 +2914,10 @@ static int acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id)

ashost->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0);
ashost->fast = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0);
- if (!ashost->base || !ashost->fast)
+ if (!ashost->base || !ashost->fast) {
+ ret = -ENOMEM;
goto out_put;
+ }

host->irq = ec->irq;
ashost->host = host;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 83645a1c6f82..aff868afe68d 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -429,6 +429,8 @@ static int ibmvscsi_reenable_crq_queue(struct crq_queue *queue,
int rc = 0;
struct vio_dev *vdev = to_vio_dev(hostdata->dev);

+ set_adapter_info(hostdata);
+
/* Re-enable the CRQ */
do {
if (rc)
diff --git a/drivers/scsi/iscsi_boot_sysfs.c b/drivers/scsi/iscsi_boot_sysfs.c
index d453667612f8..15d64f96e623 100644
--- a/drivers/scsi/iscsi_boot_sysfs.c
+++ b/drivers/scsi/iscsi_boot_sysfs.c
@@ -360,7 +360,7 @@ iscsi_boot_create_kobj(struct iscsi_boot_kset *boot_kset,
boot_kobj->kobj.kset = boot_kset->kset;
if (kobject_init_and_add(&boot_kobj->kobj, &iscsi_boot_ktype,
NULL, name, index)) {
- kfree(boot_kobj);
+ kobject_put(&boot_kobj->kobj);
return NULL;
}
boot_kobj->data = data;
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 4c84c2ae1112..db1111f7e85a 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -7913,6 +7913,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
spin_lock_irq(shost->host_lock);
if (ndlp->nlp_flag & NLP_IN_DEV_LOSS) {
spin_unlock_irq(shost->host_lock);
+ if (newnode)
+ lpfc_nlp_put(ndlp);
goto dropit;
}
spin_unlock_irq(shost->host_lock);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 817a7963a038..556971c5f0b0 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3263,7 +3263,9 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
ioc->scsi_lookup = NULL;
}
kfree(ioc->hpr_lookup);
+ ioc->hpr_lookup = NULL;
kfree(ioc->internal_lookup);
+ ioc->internal_lookup = NULL;
if (ioc->chain_lookup) {
for (i = 0; i < ioc->chain_depth; i++) {
if (ioc->chain_lookup[i].chain_buffer)
diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c
index 94f3829b1974..fb6439bc1d9a 100644
--- a/drivers/scsi/qedi/qedi_iscsi.c
+++ b/drivers/scsi/qedi/qedi_iscsi.c
@@ -1007,7 +1007,8 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep)
if (qedi_ep->state == EP_STATE_OFLDCONN_START)
goto ep_exit_recover;

- flush_work(&qedi_ep->offload_work);
+ if (qedi_ep->state != EP_STATE_OFLDCONN_NONE)
+ flush_work(&qedi_ep->offload_work);

if (qedi_ep->conn) {
qedi_conn = qedi_ep->conn;
@@ -1224,6 +1225,10 @@ static int qedi_set_path(struct Scsi_Host *shost, struct iscsi_path *path_data)
}

iscsi_cid = (u32)path_data->handle;
+ if (iscsi_cid >= qedi->max_active_conns) {
+ ret = -EINVAL;
+ goto set_path_exit;
+ }
qedi_ep = qedi->ep_tbl[iscsi_cid];
QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO,
"iscsi_cid=0x%x, qedi_ep=%p\n", iscsi_cid, qedi_ep);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d4024015f859..ea60c6e603c0 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -5824,6 +5824,7 @@ qla2x00_do_dpc(void *data)

if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags))) {
+ base_vha->flags.online = 1;
ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
"ISP abort scheduled.\n");
if (ha->isp_ops->abort_isp(base_vha)) {
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index e08ac431bc49..e7aee067b056 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -937,6 +937,7 @@ static ssize_t tcm_qla2xxx_tpg_enable_store(struct config_item *item,

atomic_set(&tpg->lport_tpg_enabled, 0);
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
+ qlt_stop_phase2(vha->vha_tgt.qla_tgt);
}

return count;
@@ -1101,6 +1102,7 @@ static ssize_t tcm_qla2xxx_npiv_tpg_enable_store(struct config_item *item,

atomic_set(&tpg->lport_tpg_enabled, 0);
qlt_stop_phase1(vha->vha_tgt.qla_tgt);
+ qlt_stop_phase2(vha->vha_tgt.qla_tgt);
}

return count;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d0389b20574d..5be3d6b7991b 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -748,7 +748,7 @@ static int sr_probe(struct device *dev)
cd->cdi.disk = disk;

if (register_cdrom(&cd->cdi))
- goto fail_put;
+ goto fail_minor;

/*
* Initialize block layer runtime PM stuffs before the
@@ -766,6 +766,10 @@ static int sr_probe(struct device *dev)

return 0;

+fail_minor:
+ spin_lock(&sr_index_lock);
+ clear_bit(minor, sr_index_bits);
+ spin_unlock(&sr_index_lock);
fail_put:
put_disk(disk);
fail_free:
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index f2b8de195d8a..ee3589ac64ab 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -1649,11 +1649,11 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba)

/* sleep a bit intermittently as we are dumping too much data */
ufs_qcom_print_hw_debug_reg_all(hba, NULL, ufs_qcom_dump_regs_wrapper);
- usleep_range(1000, 1100);
+ udelay(1000);
ufs_qcom_testbus_read(hba);
- usleep_range(1000, 1100);
+ udelay(1000);
ufs_qcom_print_unipro_testbus(hba);
- usleep_range(1000, 1100);
+ udelay(1000);
}

/**
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3a98e5a1d830..1e2a97a10033 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -4890,7 +4890,6 @@ static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
err = ufshcd_enable_auto_bkops(hba);
else
err = ufshcd_disable_auto_bkops(hba);
- hba->urgent_bkops_lvl = curr_status;
out:
return err;
}
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c
index 4e7575147775..9fab0e2751aa 100644
--- a/drivers/staging/greybus/light.c
+++ b/drivers/staging/greybus/light.c
@@ -1033,7 +1033,8 @@ static int gb_lights_light_config(struct gb_lights *glights, u8 id)

light->channels_count = conf.channel_count;
light->name = kstrndup(conf.name, NAMES_MAX, GFP_KERNEL);
-
+ if (!light->name)
+ return -ENOMEM;
light->channels = kcalloc(light->channels_count,
sizeof(struct gb_channel), GFP_KERNEL);
if (!light->channels)
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index 67207b0554cd..5d6f3686c0de 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -899,6 +899,7 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index)
fix->visual = FB_VISUAL_PSEUDOCOLOR;
break;
case 16:
+ case 24:
case 32:
fix->visual = FB_VISUAL_TRUECOLOR;
break;
diff --git a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
index c211a8e4a210..fa98c398d70f 100644
--- a/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
+++ b/drivers/thermal/ti-soc-thermal/ti-thermal-common.c
@@ -183,7 +183,7 @@ int ti_thermal_expose_sensor(struct ti_bandgap *bgp, int id,

data = ti_bandgap_get_sensor_data(bgp, id);

- if (!data || IS_ERR(data))
+ if (!IS_ERR_OR_NULL(data))
data = ti_thermal_build_data(bgp, id);

if (!data)
@@ -210,7 +210,7 @@ int ti_thermal_remove_sensor(struct ti_bandgap *bgp, int id)

data = ti_bandgap_get_sensor_data(bgp, id);

- if (data && data->ti_thermal) {
+ if (!IS_ERR_OR_NULL(data) && data->ti_thermal) {
if (data->our_zone)
thermal_zone_device_unregister(data->ti_thermal);
}
@@ -276,7 +276,7 @@ int ti_thermal_unregister_cpu_cooling(struct ti_bandgap *bgp, int id)

data = ti_bandgap_get_sensor_data(bgp, id);

- if (data) {
+ if (!IS_ERR_OR_NULL(data)) {
cpufreq_cooling_unregister(data->cool_dev);
cpufreq_cpu_put(data->policy);
}
diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c
index d52221ae1b85..663cbe3669e1 100644
--- a/drivers/tty/hvc/hvc_console.c
+++ b/drivers/tty/hvc/hvc_console.c
@@ -88,6 +88,8 @@ static LIST_HEAD(hvc_structs);
*/
static DEFINE_SPINLOCK(hvc_structs_lock);

+/* Mutex to serialize hvc_open */
+static DEFINE_MUTEX(hvc_open_mutex);
/*
* This value is used to assign a tty->index value to a hvc_struct based
* upon order of exposure via hvc_probe(), when we can not match it to
@@ -332,16 +334,24 @@ static int hvc_install(struct tty_driver *driver, struct tty_struct *tty)
*/
static int hvc_open(struct tty_struct *tty, struct file * filp)
{
- struct hvc_struct *hp = tty->driver_data;
+ struct hvc_struct *hp;
unsigned long flags;
int rc = 0;

+ mutex_lock(&hvc_open_mutex);
+
+ hp = tty->driver_data;
+ if (!hp) {
+ rc = -EIO;
+ goto out;
+ }
+
spin_lock_irqsave(&hp->port.lock, flags);
/* Check and then increment for fast path open. */
if (hp->port.count++ > 0) {
spin_unlock_irqrestore(&hp->port.lock, flags);
hvc_kick();
- return 0;
+ goto out;
} /* else count == 0 */
spin_unlock_irqrestore(&hp->port.lock, flags);

@@ -369,6 +379,8 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
/* Force wakeup of the polling thread */
hvc_kick();

+out:
+ mutex_unlock(&hvc_open_mutex);
return rc;
}

diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index f46bd1af7a10..c70e79a0e9f2 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -677,11 +677,10 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
* FIXME: lock against link layer control transmissions
*/

-static void gsm_data_kick(struct gsm_mux *gsm)
+static void gsm_data_kick(struct gsm_mux *gsm, struct gsm_dlci *dlci)
{
struct gsm_msg *msg, *nmsg;
int len;
- int skip_sof = 0;

list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) {
if (gsm->constipated && msg->addr)
@@ -703,18 +702,23 @@ static void gsm_data_kick(struct gsm_mux *gsm)
print_hex_dump_bytes("gsm_data_kick: ",
DUMP_PREFIX_OFFSET,
gsm->txframe, len);
-
- if (gsm->output(gsm, gsm->txframe + skip_sof,
- len - skip_sof) < 0)
+ if (gsm->output(gsm, gsm->txframe, len) < 0)
break;
/* FIXME: Can eliminate one SOF in many more cases */
gsm->tx_bytes -= msg->len;
- /* For a burst of frames skip the extra SOF within the
- burst */
- skip_sof = 1;

list_del(&msg->list);
kfree(msg);
+
+ if (dlci) {
+ tty_port_tty_wakeup(&dlci->port);
+ } else {
+ int i = 0;
+
+ for (i = 0; i < NUM_DLCI; i++)
+ if (gsm->dlci[i])
+ tty_port_tty_wakeup(&gsm->dlci[i]->port);
+ }
}
}

@@ -766,7 +770,7 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
/* Add to the actual output queue */
list_add_tail(&msg->list, &gsm->tx_list);
gsm->tx_bytes += msg->len;
- gsm_data_kick(gsm);
+ gsm_data_kick(gsm, dlci);
}

/**
@@ -1227,7 +1231,7 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
gsm_control_reply(gsm, CMD_FCON, NULL, 0);
/* Kick the link in case it is idling */
spin_lock_irqsave(&gsm->tx_lock, flags);
- gsm_data_kick(gsm);
+ gsm_data_kick(gsm, NULL);
spin_unlock_irqrestore(&gsm->tx_lock, flags);
break;
case CMD_FCOFF:
@@ -2426,7 +2430,7 @@ static void gsmld_write_wakeup(struct tty_struct *tty)
/* Queue poll */
clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
spin_lock_irqsave(&gsm->tx_lock, flags);
- gsm_data_kick(gsm);
+ gsm_data_kick(gsm, NULL);
if (gsm->tx_bytes < TX_THRESH_LO) {
gsm_dlci_data_sweep(gsm);
}
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 637f72fb6427..e55b55633721 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2605,6 +2605,7 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap,
uap->port.fifosize = uap->fifosize;
uap->port.flags = UPF_BOOT_AUTOCONF;
uap->port.line = index;
+ spin_lock_init(&uap->port.lock);

amba_ports[index] = uap;

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 5e456a83779d..b0471ce34011 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -481,7 +481,8 @@ static int usblp_release(struct inode *inode, struct file *file)
usb_autopm_put_interface(usblp->intf);

if (!usblp->present) /* finish cleanup from disconnect */
- usblp_cleanup(usblp);
+ usblp_cleanup(usblp); /* any URBs must be dead */
+
mutex_unlock(&usblp_mutex);
return 0;
}
@@ -1388,9 +1389,11 @@ static void usblp_disconnect(struct usb_interface *intf)

usblp_unlink_urbs(usblp);
mutex_unlock(&usblp->mut);
+ usb_poison_anchored_urbs(&usblp->urbs);

if (!usblp->used)
usblp_cleanup(usblp);
+
mutex_unlock(&usblp_mutex);
}

diff --git a/drivers/usb/dwc2/core_intr.c b/drivers/usb/dwc2/core_intr.c
index b8bcb007c92a..e3e0a3ab31da 100644
--- a/drivers/usb/dwc2/core_intr.c
+++ b/drivers/usb/dwc2/core_intr.c
@@ -364,10 +364,13 @@ static void dwc2_handle_wakeup_detected_intr(struct dwc2_hsotg *hsotg)
if (ret && (ret != -ENOTSUPP))
dev_err(hsotg->dev, "exit hibernation failed\n");

+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
call_gadget(hsotg, resume);
+ } else {
+ /* Change to L0 state */
+ hsotg->lx_state = DWC2_L0;
}
- /* Change to L0 state */
- hsotg->lx_state = DWC2_L0;
} else {
if (hsotg->params.hibernation)
return;
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index c1f037af9702..7d2715e899bb 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -100,40 +100,43 @@ function_descriptors(struct usb_function *f,
}

/**
- * next_ep_desc() - advance to the next EP descriptor
+ * next_desc() - advance to the next desc_type descriptor
* @t: currect pointer within descriptor array
+ * @desc_type: descriptor type
*
- * Return: next EP descriptor or NULL
+ * Return: next desc_type descriptor or NULL
*
- * Iterate over @t until either EP descriptor found or
+ * Iterate over @t until either desc_type descriptor found or
* NULL (that indicates end of list) encountered
*/
static struct usb_descriptor_header**
-next_ep_desc(struct usb_descriptor_header **t)
+next_desc(struct usb_descriptor_header **t, u8 desc_type)
{
for (; *t; t++) {
- if ((*t)->bDescriptorType == USB_DT_ENDPOINT)
+ if ((*t)->bDescriptorType == desc_type)
return t;
}
return NULL;
}

/*
- * for_each_ep_desc()- iterate over endpoint descriptors in the
- * descriptors list
- * @start: pointer within descriptor array.
- * @ep_desc: endpoint descriptor to use as the loop cursor
+ * for_each_desc() - iterate over desc_type descriptors in the
+ * descriptors list
+ * @start: pointer within descriptor array.
+ * @iter_desc: desc_type descriptor to use as the loop cursor
+ * @desc_type: wanted descriptr type
*/
-#define for_each_ep_desc(start, ep_desc) \
- for (ep_desc = next_ep_desc(start); \
- ep_desc; ep_desc = next_ep_desc(ep_desc+1))
+#define for_each_desc(start, iter_desc, desc_type) \
+ for (iter_desc = next_desc(start, desc_type); \
+ iter_desc; iter_desc = next_desc(iter_desc + 1, desc_type))

/**
- * config_ep_by_speed() - configures the given endpoint
+ * config_ep_by_speed_and_alt() - configures the given endpoint
* according to gadget speed.
* @g: pointer to the gadget
* @f: usb function
* @_ep: the endpoint to configure
+ * @alt: alternate setting number
*
* Return: error code, 0 on success
*
@@ -146,11 +149,13 @@ next_ep_desc(struct usb_descriptor_header **t)
* Note: the supplied function should hold all the descriptors
* for supported speeds
*/
-int config_ep_by_speed(struct usb_gadget *g,
- struct usb_function *f,
- struct usb_ep *_ep)
+int config_ep_by_speed_and_alt(struct usb_gadget *g,
+ struct usb_function *f,
+ struct usb_ep *_ep,
+ u8 alt)
{
struct usb_endpoint_descriptor *chosen_desc = NULL;
+ struct usb_interface_descriptor *int_desc = NULL;
struct usb_descriptor_header **speed_desc = NULL;

struct usb_ss_ep_comp_descriptor *comp_desc = NULL;
@@ -186,8 +191,21 @@ int config_ep_by_speed(struct usb_gadget *g,
default:
speed_desc = f->fs_descriptors;
}
+
+ /* find correct alternate setting descriptor */
+ for_each_desc(speed_desc, d_spd, USB_DT_INTERFACE) {
+ int_desc = (struct usb_interface_descriptor *)*d_spd;
+
+ if (int_desc->bAlternateSetting == alt) {
+ speed_desc = d_spd;
+ goto intf_found;
+ }
+ }
+ return -EIO;
+
+intf_found:
/* find descriptors */
- for_each_ep_desc(speed_desc, d_spd) {
+ for_each_desc(speed_desc, d_spd, USB_DT_ENDPOINT) {
chosen_desc = (struct usb_endpoint_descriptor *)*d_spd;
if (chosen_desc->bEndpointAddress == _ep->address)
goto ep_found;
@@ -240,6 +258,32 @@ int config_ep_by_speed(struct usb_gadget *g,
}
return 0;
}
+EXPORT_SYMBOL_GPL(config_ep_by_speed_and_alt);
+
+/**
+ * config_ep_by_speed() - configures the given endpoint
+ * according to gadget speed.
+ * @g: pointer to the gadget
+ * @f: usb function
+ * @_ep: the endpoint to configure
+ *
+ * Return: error code, 0 on success
+ *
+ * This function chooses the right descriptors for a given
+ * endpoint according to gadget speed and saves it in the
+ * endpoint desc field. If the endpoint already has a descriptor
+ * assigned to it - overwrites it with currently corresponding
+ * descriptor. The endpoint maxpacket field is updated according
+ * to the chosen descriptor.
+ * Note: the supplied function should hold all the descriptors
+ * for supported speeds
+ */
+int config_ep_by_speed(struct usb_gadget *g,
+ struct usb_function *f,
+ struct usb_ep *_ep)
+{
+ return config_ep_by_speed_and_alt(g, f, _ep, 0);
+}
EXPORT_SYMBOL_GPL(config_ep_by_speed);

/**
diff --git a/drivers/usb/gadget/udc/lpc32xx_udc.c b/drivers/usb/gadget/udc/lpc32xx_udc.c
index ac2aa04ca657..710793161795 100644
--- a/drivers/usb/gadget/udc/lpc32xx_udc.c
+++ b/drivers/usb/gadget/udc/lpc32xx_udc.c
@@ -1615,17 +1615,17 @@ static int lpc32xx_ep_enable(struct usb_ep *_ep,
const struct usb_endpoint_descriptor *desc)
{
struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep);
- struct lpc32xx_udc *udc = ep->udc;
+ struct lpc32xx_udc *udc;
u16 maxpacket;
u32 tmp;
unsigned long flags;

/* Verify EP data */
if ((!_ep) || (!ep) || (!desc) ||
- (desc->bDescriptorType != USB_DT_ENDPOINT)) {
- dev_dbg(udc->dev, "bad ep or descriptor\n");
+ (desc->bDescriptorType != USB_DT_ENDPOINT))
return -EINVAL;
- }
+
+ udc = ep->udc;
maxpacket = usb_endpoint_maxp(desc);
if ((maxpacket == 0) || (maxpacket > ep->maxpacket)) {
dev_dbg(udc->dev, "bad ep descriptor's packet size\n");
@@ -1873,7 +1873,7 @@ static int lpc32xx_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value)
{
struct lpc32xx_ep *ep = container_of(_ep, struct lpc32xx_ep, ep);
- struct lpc32xx_udc *udc = ep->udc;
+ struct lpc32xx_udc *udc;
unsigned long flags;

if ((!ep) || (ep->hwep_num <= 1))
@@ -1883,6 +1883,7 @@ static int lpc32xx_ep_set_halt(struct usb_ep *_ep, int value)
if (ep->is_in)
return -EAGAIN;

+ udc = ep->udc;
spin_lock_irqsave(&udc->lock, flags);

if (value == 1) {
diff --git a/drivers/usb/gadget/udc/m66592-udc.c b/drivers/usb/gadget/udc/m66592-udc.c
index 46ce7bc15f2b..53abad98af6d 100644
--- a/drivers/usb/gadget/udc/m66592-udc.c
+++ b/drivers/usb/gadget/udc/m66592-udc.c
@@ -1672,7 +1672,7 @@ static int m66592_probe(struct platform_device *pdev)

err_add_udc:
m66592_free_request(&m66592->ep[0].ep, m66592->ep0_req);
-
+ m66592->ep0_req = NULL;
clean_up3:
if (m66592->pdata->on_chip) {
clk_disable(m66592->clk);
diff --git a/drivers/usb/gadget/udc/s3c2410_udc.c b/drivers/usb/gadget/udc/s3c2410_udc.c
index 394abd5d65c0..cf12ca567e69 100644
--- a/drivers/usb/gadget/udc/s3c2410_udc.c
+++ b/drivers/usb/gadget/udc/s3c2410_udc.c
@@ -268,10 +268,6 @@ static void s3c2410_udc_done(struct s3c2410_ep *ep,
static void s3c2410_udc_nuke(struct s3c2410_udc *udc,
struct s3c2410_ep *ep, int status)
{
- /* Sanity check */
- if (&ep->queue == NULL)
- return;
-
while (!list_empty(&ep->queue)) {
struct s3c2410_request *req;
req = list_entry(ep->queue.next, struct s3c2410_request,
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index c7a9b31eeaef..637079a35003 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -63,6 +63,8 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
}

irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
+ return irq;

hcd = usb_create_hcd(&ehci_mxc_hc_driver, dev, dev_name(dev));
if (!hcd)
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index f1908ea9fbd8..6fcd33288014 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -390,6 +390,11 @@ static int ehci_platform_resume(struct device *dev)
}

ehci_resume(hcd, priv->reset_on_resume);
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
return 0;
}
#endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 61fe2b985070..742cefa22c2b 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -355,6 +355,11 @@ static int ohci_platform_resume(struct device *dev)
}

ohci_resume(hcd, false);
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
return 0;
}
#endif /* CONFIG_PM_SLEEP */
diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c
index 2a73592908e1..7219cbf7c54c 100644
--- a/drivers/usb/host/xhci-plat.c
+++ b/drivers/usb/host/xhci-plat.c
@@ -381,7 +381,15 @@ static int __maybe_unused xhci_plat_resume(struct device *dev)
if (ret)
return ret;

- return xhci_resume(xhci, 0);
+ ret = xhci_resume(xhci, 0);
+ if (ret)
+ return ret;
+
+ pm_runtime_disable(dev);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+
+ return 0;
}

static int __maybe_unused xhci_plat_runtime_suspend(struct device *dev)
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c
index 802df210929b..7e474e41c85e 100644
--- a/drivers/vfio/mdev/mdev_sysfs.c
+++ b/drivers/vfio/mdev/mdev_sysfs.c
@@ -113,7 +113,7 @@ struct mdev_type *add_mdev_supported_type(struct mdev_parent *parent,
"%s-%s", dev_driver_string(parent->dev),
group->name);
if (ret) {
- kfree(type);
+ kobject_put(&type->kobj);
return ERR_PTR(ret);
}

diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index 423ea1f98441..36bc8f104e42 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -1464,7 +1464,12 @@ static int vfio_cap_init(struct vfio_pci_device *vdev)
if (ret)
return ret;

- if (cap <= PCI_CAP_ID_MAX) {
+ /*
+ * ID 0 is a NULL capability, conflicting with our fake
+ * PCI_CAP_ID_BASIC. As it has no content, consider it
+ * hidden for now.
+ */
+ if (cap && cap <= PCI_CAP_ID_MAX) {
len = pci_cap_length[cap];
if (len == 0xFF) { /* Variable length */
len = vfio_cap_len(vdev, cap, pos);
@@ -1732,8 +1737,11 @@ void vfio_config_free(struct vfio_pci_device *vdev)
vdev->vconfig = NULL;
kfree(vdev->pci_config_map);
vdev->pci_config_map = NULL;
- kfree(vdev->msi_perm);
- vdev->msi_perm = NULL;
+ if (vdev->msi_perm) {
+ free_perm_bits(vdev->msi_perm);
+ kfree(vdev->msi_perm);
+ vdev->msi_perm = NULL;
+ }
}

/*
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index 939f057836e1..4cdc7a3f6dc5 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -460,7 +460,7 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
ret = regulator_enable(lp->enable);
if (ret < 0) {
dev_err(lp->dev, "failed to enable vddio: %d\n", ret);
- return ret;
+ goto disable_supply;
}

/*
@@ -475,24 +475,34 @@ static int lp855x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
ret = lp855x_configure(lp);
if (ret) {
dev_err(lp->dev, "device config err: %d", ret);
- return ret;
+ goto disable_vddio;
}

ret = lp855x_backlight_register(lp);
if (ret) {
dev_err(lp->dev,
"failed to register backlight. err: %d\n", ret);
- return ret;
+ goto disable_vddio;
}

ret = sysfs_create_group(&lp->dev->kobj, &lp855x_attr_group);
if (ret) {
dev_err(lp->dev, "failed to register sysfs. err: %d\n", ret);
- return ret;
+ goto disable_vddio;
}

backlight_update_status(lp->bl);
+
return 0;
+
+disable_vddio:
+ if (lp->enable)
+ regulator_disable(lp->enable);
+disable_supply:
+ if (lp->supply)
+ regulator_disable(lp->supply);
+
+ return ret;
}

static int lp855x_remove(struct i2c_client *cl)
@@ -501,6 +511,8 @@ static int lp855x_remove(struct i2c_client *cl)

lp->bl->props.brightness = 0;
backlight_update_status(lp->bl);
+ if (lp->enable)
+ regulator_disable(lp->enable);
if (lp->supply)
regulator_disable(lp->supply);
sysfs_remove_group(&lp->dev->kobj, &lp855x_attr_group);
diff --git a/drivers/watchdog/da9062_wdt.c b/drivers/watchdog/da9062_wdt.c
index 79383ff62019..1443386bb590 100644
--- a/drivers/watchdog/da9062_wdt.c
+++ b/drivers/watchdog/da9062_wdt.c
@@ -94,11 +94,6 @@ static int da9062_wdt_update_timeout_register(struct da9062_watchdog *wdt,
unsigned int regval)
{
struct da9062 *chip = wdt->hw;
- int ret;
-
- ret = da9062_reset_watchdog_timer(wdt);
- if (ret)
- return ret;

return regmap_update_bits(chip->regmap,
DA9062AA_CONTROL_D,
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 61949e3446e5..77ce77a28324 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1439,10 +1439,8 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
*/
if (!for_part) {
ret = devcgroup_inode_permission(bdev->bd_inode, perm);
- if (ret != 0) {
- bdput(bdev);
+ if (ret != 0)
return ret;
- }
}

restart:
@@ -1515,8 +1513,10 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
goto out_clear;
BUG_ON(for_part);
ret = __blkdev_get(whole, mode, 1);
- if (ret)
+ if (ret) {
+ bdput(whole);
goto out_clear;
+ }
bdev->bd_contains = whole;
bdev->bd_part = disk_get_part(disk, partno);
if (!(disk->flags & GENHD_FL_UP) ||
@@ -1570,7 +1570,6 @@ static int __blkdev_get(struct block_device *bdev, fmode_t mode, int for_part)
put_disk(disk);
module_put(owner);
out:
- bdput(bdev);

return ret;
}
@@ -1656,6 +1655,9 @@ int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder)
bdput(whole);
}

+ if (res)
+ bdput(bdev);
+
return res;
}
EXPORT_SYMBOL(blkdev_get);
diff --git a/fs/dlm/dlm_internal.h b/fs/dlm/dlm_internal.h
index 748e8d59e611..cb287df13a7a 100644
--- a/fs/dlm/dlm_internal.h
+++ b/fs/dlm/dlm_internal.h
@@ -99,7 +99,6 @@ do { \
__LINE__, __FILE__, #x, jiffies); \
{do} \
printk("\n"); \
- BUG(); \
panic("DLM: Record message above and reboot.\n"); \
} \
}
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 4f9eb4b61549..fc6bc261f7ac 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2917,7 +2917,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
* in use to avoid freeing it when removing blocks.
*/
if (sbi->s_cluster_ratio > 1) {
- pblk = ext4_ext_pblock(ex) + end - ee_block + 2;
+ pblk = ext4_ext_pblock(ex) + end - ee_block + 1;
partial_cluster =
-(long long) EXT4_B2C(sbi, pblk);
}
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 2d021a33914a..89319c352406 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -918,7 +918,8 @@ static int f2fs_statfs_project(struct super_block *sb,
limit >>= sb->s_blocksize_bits;

if (limit && buf->f_blocks > limit) {
- curblock = dquot->dq_dqb.dqb_curspace >> sb->s_blocksize_bits;
+ curblock = (dquot->dq_dqb.dqb_curspace +
+ dquot->dq_dqb.dqb_rsvspace) >> sb->s_blocksize_bits;
buf->f_blocks = limit;
buf->f_bfree = buf->f_bavail =
(buf->f_blocks > curblock) ?
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index a3208511f35a..f30418911e1b 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -804,8 +804,10 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
* @new: New transaction to be merged
*/

-static void gfs2_merge_trans(struct gfs2_trans *old, struct gfs2_trans *new)
+static void gfs2_merge_trans(struct gfs2_sbd *sdp, struct gfs2_trans *new)
{
+ struct gfs2_trans *old = sdp->sd_log_tr;
+
WARN_ON_ONCE(!test_bit(TR_ATTACHED, &old->tr_flags));

old->tr_num_buf_new += new->tr_num_buf_new;
@@ -817,6 +819,11 @@ static void gfs2_merge_trans(struct gfs2_trans *old, struct gfs2_trans *new)

list_splice_tail_init(&new->tr_databuf, &old->tr_databuf);
list_splice_tail_init(&new->tr_buf, &old->tr_buf);
+
+ spin_lock(&sdp->sd_ail_lock);
+ list_splice_tail_init(&new->tr_ail1_list, &old->tr_ail1_list);
+ list_splice_tail_init(&new->tr_ail2_list, &old->tr_ail2_list);
+ spin_unlock(&sdp->sd_ail_lock);
}

static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
@@ -828,7 +835,7 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
gfs2_log_lock(sdp);

if (sdp->sd_log_tr) {
- gfs2_merge_trans(sdp->sd_log_tr, tr);
+ gfs2_merge_trans(sdp, tr);
} else if (tr->tr_num_buf_new || tr->tr_num_databuf_new) {
gfs2_assert_withdraw(sdp, test_bit(TR_ALLOCED, &tr->tr_flags));
sdp->sd_log_tr = tr;
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 057be88eb1b4..7ed0359ebac6 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -922,7 +922,7 @@ static int init_per_node(struct gfs2_sbd *sdp, int undo)
}

static const match_table_t nolock_tokens = {
- { Opt_jid, "jid=%d\n", },
+ { Opt_jid, "jid=%d", },
{ Opt_err, NULL },
};

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4d45786738ab..a19bbcfab7c5 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7309,7 +7309,7 @@ nfs4_bind_one_conn_to_session_done(struct rpc_task *task, void *calldata)
}

static const struct rpc_call_ops nfs4_bind_one_conn_to_session_ops = {
- .rpc_call_done = &nfs4_bind_one_conn_to_session_done,
+ .rpc_call_done = nfs4_bind_one_conn_to_session_done,
};

/*
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 80aeb19b176b..22b784e7ef50 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -1161,6 +1161,8 @@ static void nfsd4_process_cb_update(struct nfsd4_callback *cb)
err = setup_callback_client(clp, &conn, ses);
if (err) {
nfsd4_mark_cb_down(clp, err);
+ if (c)
+ svc_xprt_put(c->cn_xprt);
return;
}
}
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index c51574fab0b0..00dcb1bad76b 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -50,7 +50,7 @@ static inline int get_bitmask_order(unsigned int count)

static __always_inline unsigned long hweight_long(unsigned long w)
{
- return sizeof(w) == 4 ? hweight32(w) : hweight64(w);
+ return sizeof(w) == 4 ? hweight32(w) : hweight64((__u64)w);
}

/**
diff --git a/include/linux/elfnote.h b/include/linux/elfnote.h
index f236f5b931b2..7fdd7f355b52 100644
--- a/include/linux/elfnote.h
+++ b/include/linux/elfnote.h
@@ -54,7 +54,7 @@
.popsection ;

#define ELFNOTE(name, type, desc) \
- ELFNOTE_START(name, type, "") \
+ ELFNOTE_START(name, type, "a") \
desc ; \
ELFNOTE_END

diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 550fa358893a..37f30d62f3a2 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -693,9 +693,11 @@ static inline sector_t part_nr_sects_read(struct hd_struct *part)
static inline void part_nr_sects_write(struct hd_struct *part, sector_t size)
{
#if BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_SMP)
+ preempt_disable();
write_seqcount_begin(&part->nr_sects_seq);
part->nr_sects = size;
write_seqcount_end(&part->nr_sects_seq);
+ preempt_enable();
#elif BITS_PER_LONG==32 && defined(CONFIG_LBDAF) && defined(CONFIG_PREEMPT)
preempt_disable();
part->nr_sects = size;
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 520702b82134..be7a49f437ea 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -385,6 +385,10 @@ static inline struct kprobe_ctlblk *get_kprobe_ctlblk(void)
return this_cpu_ptr(&kprobe_ctlblk);
}

+extern struct kprobe kprobe_busy;
+void kprobe_busy_begin(void);
+void kprobe_busy_end(void);
+
kprobe_opcode_t *kprobe_lookup_name(const char *name, unsigned int offset);
int register_kprobe(struct kprobe *p);
void unregister_kprobe(struct kprobe *p);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 93838d98e3f3..5c9a44e3a027 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -38,6 +38,7 @@
#include <linux/acpi.h>
#include <linux/cdrom.h>
#include <linux/sched.h>
+#include <linux/async.h>

/*
* Define if arch has non-standard setup. This is a _PCI_ standard
@@ -884,6 +885,8 @@ struct ata_port {
struct timer_list fastdrain_timer;
unsigned long fastdrain_cnt;

+ async_cookie_t cookie;
+
int em_message_type;
void *private_data;

diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index 2b05f4273bab..e9a791f46eb6 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -22,6 +22,7 @@
#include <linux/mtd/flashchip.h>
#include <linux/mtd/bbm.h>

+struct nand_chip;
struct mtd_info;
struct nand_flash_dev;
struct device_node;
@@ -37,7 +38,7 @@ int nand_scan_ident(struct mtd_info *mtd, int max_chips,
int nand_scan_tail(struct mtd_info *mtd);

/* Unregister the MTD device and free resources held by the NAND device */
-void nand_release(struct mtd_info *mtd);
+void nand_release(struct nand_chip *chip);

/* Internal helper for board drivers which need to override command function */
void nand_wait_ready(struct mtd_info *mtd);
@@ -227,9 +228,6 @@ enum nand_ecc_algo {
#define NAND_CI_CELLTYPE_MSK 0x0C
#define NAND_CI_CELLTYPE_SHIFT 2

-/* Keep gcc happy */
-struct nand_chip;
-
/* ONFI features */
#define ONFI_FEATURE_16_BIT_BUS (1 << 0)
#define ONFI_FEATURE_EXT_PARAM_PAGE (1 << 7)
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h
index 590d313b5f39..a865698361c1 100644
--- a/include/linux/usb/composite.h
+++ b/include/linux/usb/composite.h
@@ -248,6 +248,9 @@ int usb_function_activate(struct usb_function *);

int usb_interface_id(struct usb_configuration *, struct usb_function *);

+int config_ep_by_speed_and_alt(struct usb_gadget *g, struct usb_function *f,
+ struct usb_ep *_ep, u8 alt);
+
int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f,
struct usb_ep *_ep);

diff --git a/include/uapi/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h
index b0d15c73f6d7..1f2d8c81f0e0 100644
--- a/include/uapi/linux/raid/md_p.h
+++ b/include/uapi/linux/raid/md_p.h
@@ -329,6 +329,7 @@ struct mdp_superblock_1 {
#define MD_FEATURE_JOURNAL 512 /* support write cache */
#define MD_FEATURE_PPL 1024 /* support PPL */
#define MD_FEATURE_MULTIPLE_PPLS 2048 /* support for multiple PPLs */
+#define MD_FEATURE_RAID0_LAYOUT 4096 /* layout is meaningful for RAID0 */
#define MD_FEATURE_ALL (MD_FEATURE_BITMAP_OFFSET \
|MD_FEATURE_RECOVERY_OFFSET \
|MD_FEATURE_RESHAPE_ACTIVE \
@@ -341,6 +342,7 @@ struct mdp_superblock_1 {
|MD_FEATURE_JOURNAL \
|MD_FEATURE_PPL \
|MD_FEATURE_MULTIPLE_PPLS \
+ |MD_FEATURE_RAID0_LAYOUT \
)

struct r5l_payload_header {
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 66f1818d4762..f2d2194b51ca 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -599,11 +599,12 @@ static void kprobe_optimizer(struct work_struct *work)
mutex_unlock(&module_mutex);
mutex_unlock(&text_mutex);
cpus_read_unlock();
- mutex_unlock(&kprobe_mutex);

/* Step 5: Kick optimizer again if needed */
if (!list_empty(&optimizing_list) || !list_empty(&unoptimizing_list))
kick_kprobe_optimizer();
+
+ mutex_unlock(&kprobe_mutex);
}

/* Wait for completing optimization and unoptimization */
@@ -1217,6 +1218,26 @@ __releases(hlist_lock)
}
NOKPROBE_SYMBOL(kretprobe_table_unlock);

+struct kprobe kprobe_busy = {
+ .addr = (void *) get_kprobe,
+};
+
+void kprobe_busy_begin(void)
+{
+ struct kprobe_ctlblk *kcb;
+
+ preempt_disable();
+ __this_cpu_write(current_kprobe, &kprobe_busy);
+ kcb = get_kprobe_ctlblk();
+ kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+}
+
+void kprobe_busy_end(void)
+{
+ __this_cpu_write(current_kprobe, NULL);
+ preempt_enable();
+}
+
/*
* This function is called from finish_task_switch when task tk becomes dead,
* so that we can recycle any function-return probe instances associated
@@ -1234,6 +1255,8 @@ void kprobe_flush_task(struct task_struct *tk)
/* Early boot. kretprobe_table_locks not yet initialized. */
return;

+ kprobe_busy_begin();
+
INIT_HLIST_HEAD(&empty_rp);
hash = hash_ptr(tk, KPROBE_HASH_BITS);
head = &kretprobe_inst_table[hash];
@@ -1247,6 +1270,8 @@ void kprobe_flush_task(struct task_struct *tk)
hlist_del(&ri->hlist);
kfree(ri);
}
+
+ kprobe_busy_end();
}
NOKPROBE_SYMBOL(kprobe_flush_task);

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index a60c09e0bda8..304a164f5e7e 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1022,8 +1022,10 @@ static void blk_add_trace_split(void *ignore,

__blk_add_trace(bt, bio->bi_iter.bi_sector,
bio->bi_iter.bi_size, bio_op(bio), bio->bi_opf,
- BLK_TA_SPLIT, bio->bi_status, sizeof(rpdu),
- &rpdu, blk_trace_bio_get_cgid(q, bio));
+ BLK_TA_SPLIT,
+ blk_status_to_errno(bio->bi_status),
+ sizeof(rpdu), &rpdu,
+ blk_trace_bio_get_cgid(q, bio));
}
rcu_read_unlock();
}
@@ -1060,7 +1062,8 @@ static void blk_add_trace_bio_remap(void *ignore,
r.sector_from = cpu_to_be64(from);

__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_status,
+ bio_op(bio), bio->bi_opf, BLK_TA_REMAP,
+ blk_status_to_errno(bio->bi_status),
sizeof(r), &r, blk_trace_bio_get_cgid(q, bio));
rcu_read_unlock();
}
@@ -1282,21 +1285,10 @@ static inline __u16 t_error(const struct trace_entry *ent)

static __u64 get_pdu_int(const struct trace_entry *ent, bool has_cg)
{
- const __u64 *val = pdu_start(ent, has_cg);
+ const __be64 *val = pdu_start(ent, has_cg);
return be64_to_cpu(*val);
}

-static void get_pdu_remap(const struct trace_entry *ent,
- struct blk_io_trace_remap *r, bool has_cg)
-{
- const struct blk_io_trace_remap *__r = pdu_start(ent, has_cg);
- __u64 sector_from = __r->sector_from;
-
- r->device_from = be32_to_cpu(__r->device_from);
- r->device_to = be32_to_cpu(__r->device_to);
- r->sector_from = be64_to_cpu(sector_from);
-}
-
typedef void (blk_log_action_t) (struct trace_iterator *iter, const char *act,
bool has_cg);

@@ -1422,13 +1414,13 @@ static void blk_log_with_error(struct trace_seq *s,

static void blk_log_remap(struct trace_seq *s, const struct trace_entry *ent, bool has_cg)
{
- struct blk_io_trace_remap r = { .device_from = 0, };
+ const struct blk_io_trace_remap *__r = pdu_start(ent, has_cg);

- get_pdu_remap(ent, &r, has_cg);
trace_seq_printf(s, "%llu + %u <- (%d,%d) %llu\n",
t_sector(ent), t_sec(ent),
- MAJOR(r.device_from), MINOR(r.device_from),
- (unsigned long long)r.sector_from);
+ MAJOR(be32_to_cpu(__r->device_from)),
+ MINOR(be32_to_cpu(__r->device_from)),
+ be64_to_cpu(__r->sector_from));
}

static void blk_log_plug(struct trace_seq *s, const struct trace_entry *ent, bool has_cg)
diff --git a/lib/zlib_inflate/inffast.c b/lib/zlib_inflate/inffast.c
index 2c13ecc5bb2c..ed1f3df27260 100644
--- a/lib/zlib_inflate/inffast.c
+++ b/lib/zlib_inflate/inffast.c
@@ -10,17 +10,6 @@

#ifndef ASMINF

-/* Allow machine dependent optimization for post-increment or pre-increment.
- Based on testing to date,
- Pre-increment preferred for:
- - PowerPC G3 (Adler)
- - MIPS R5000 (Randers-Pehrson)
- Post-increment preferred for:
- - none
- No measurable difference:
- - Pentium III (Anderson)
- - M68060 (Nikl)
- */
union uu {
unsigned short us;
unsigned char b[2];
@@ -38,16 +27,6 @@ get_unaligned16(const unsigned short *p)
return mm.us;
}

-#ifdef POSTINC
-# define OFF 0
-# define PUP(a) *(a)++
-# define UP_UNALIGNED(a) get_unaligned16((a)++)
-#else
-# define OFF 1
-# define PUP(a) *++(a)
-# define UP_UNALIGNED(a) get_unaligned16(++(a))
-#endif
-
/*
Decode literal, length, and distance codes and write out the resulting
literal and match bytes until either not enough input or output is
@@ -115,9 +94,9 @@ void inflate_fast(z_streamp strm, unsigned start)

/* copy state to local variables */
state = (struct inflate_state *)strm->state;
- in = strm->next_in - OFF;
+ in = strm->next_in;
last = in + (strm->avail_in - 5);
- out = strm->next_out - OFF;
+ out = strm->next_out;
beg = out - (start - strm->avail_out);
end = out + (strm->avail_out - 257);
#ifdef INFLATE_STRICT
@@ -138,9 +117,9 @@ void inflate_fast(z_streamp strm, unsigned start)
input data or output space */
do {
if (bits < 15) {
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
}
this = lcode[hold & lmask];
@@ -150,14 +129,14 @@ void inflate_fast(z_streamp strm, unsigned start)
bits -= op;
op = (unsigned)(this.op);
if (op == 0) { /* literal */
- PUP(out) = (unsigned char)(this.val);
+ *out++ = (unsigned char)(this.val);
}
else if (op & 16) { /* length base */
len = (unsigned)(this.val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
}
len += (unsigned)hold & ((1U << op) - 1);
@@ -165,9 +144,9 @@ void inflate_fast(z_streamp strm, unsigned start)
bits -= op;
}
if (bits < 15) {
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
}
this = dcode[hold & dmask];
@@ -180,10 +159,10 @@ void inflate_fast(z_streamp strm, unsigned start)
dist = (unsigned)(this.val);
op &= 15; /* number of extra bits */
if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
if (bits < op) {
- hold += (unsigned long)(PUP(in)) << bits;
+ hold += (unsigned long)(*in++) << bits;
bits += 8;
}
}
@@ -205,13 +184,13 @@ void inflate_fast(z_streamp strm, unsigned start)
state->mode = BAD;
break;
}
- from = window - OFF;
+ from = window;
if (write == 0) { /* very common case */
from += wsize - op;
if (op < len) { /* some from window */
len -= op;
do {
- PUP(out) = PUP(from);
+ *out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
@@ -222,14 +201,14 @@ void inflate_fast(z_streamp strm, unsigned start)
if (op < len) { /* some from end of window */
len -= op;
do {
- PUP(out) = PUP(from);
+ *out++ = *from++;
} while (--op);
- from = window - OFF;
+ from = window;
if (write < len) { /* some from start of window */
op = write;
len -= op;
do {
- PUP(out) = PUP(from);
+ *out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
@@ -240,21 +219,21 @@ void inflate_fast(z_streamp strm, unsigned start)
if (op < len) { /* some from window */
len -= op;
do {
- PUP(out) = PUP(from);
+ *out++ = *from++;
} while (--op);
from = out - dist; /* rest from output */
}
}
while (len > 2) {
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
- PUP(out) = PUP(from);
+ *out++ = *from++;
+ *out++ = *from++;
+ *out++ = *from++;
len -= 3;
}
if (len) {
- PUP(out) = PUP(from);
+ *out++ = *from++;
if (len > 1)
- PUP(out) = PUP(from);
+ *out++ = *from++;
}
}
else {
@@ -264,29 +243,29 @@ void inflate_fast(z_streamp strm, unsigned start)
from = out - dist; /* copy direct from output */
/* minimum length is three */
/* Align out addr */
- if (!((long)(out - 1 + OFF) & 1)) {
- PUP(out) = PUP(from);
+ if (!((long)(out - 1) & 1)) {
+ *out++ = *from++;
len--;
}
- sout = (unsigned short *)(out - OFF);
+ sout = (unsigned short *)(out);
if (dist > 2) {
unsigned short *sfrom;

- sfrom = (unsigned short *)(from - OFF);
+ sfrom = (unsigned short *)(from);
loops = len >> 1;
do
#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
- PUP(sout) = PUP(sfrom);
+ *sout++ = *sfrom++;
#else
- PUP(sout) = UP_UNALIGNED(sfrom);
+ *sout++ = get_unaligned16(sfrom++);
#endif
while (--loops);
- out = (unsigned char *)sout + OFF;
- from = (unsigned char *)sfrom + OFF;
+ out = (unsigned char *)sout;
+ from = (unsigned char *)sfrom;
} else { /* dist == 1 or dist == 2 */
unsigned short pat16;

- pat16 = *(sout-1+OFF);
+ pat16 = *(sout-1);
if (dist == 1) {
union uu mm;
/* copy one char pattern to both bytes */
@@ -296,12 +275,12 @@ void inflate_fast(z_streamp strm, unsigned start)
}
loops = len >> 1;
do
- PUP(sout) = pat16;
+ *sout++ = pat16;
while (--loops);
- out = (unsigned char *)sout + OFF;
+ out = (unsigned char *)sout;
}
if (len & 1)
- PUP(out) = PUP(from);
+ *out++ = *from++;
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
@@ -336,8 +315,8 @@ void inflate_fast(z_streamp strm, unsigned start)
hold &= (1U << bits) - 1;

/* update state and return */
- strm->next_in = in + OFF;
- strm->next_out = out + OFF;
+ strm->next_in = in;
+ strm->next_out = out;
strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
strm->avail_out = (unsigned)(out < end ?
257 + (end - out) : 257 - (out - end));
diff --git a/net/core/dev.c b/net/core/dev.c
index ed552ad3f783..0aaa1426450f 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -83,6 +83,7 @@
#include <linux/sched.h>
#include <linux/sched/mm.h>
#include <linux/mutex.h>
+#include <linux/rwsem.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/socket.h>
@@ -194,7 +195,7 @@ static DEFINE_SPINLOCK(napi_hash_lock);
static unsigned int napi_gen_id = NR_CPUS;
static DEFINE_READ_MOSTLY_HASHTABLE(napi_hash, 8);

-static seqcount_t devnet_rename_seq;
+static DECLARE_RWSEM(devnet_rename_sem);

static inline void dev_base_seq_inc(struct net *net)
{
@@ -898,33 +899,28 @@ EXPORT_SYMBOL(dev_get_by_napi_id);
* @net: network namespace
* @name: a pointer to the buffer where the name will be stored.
* @ifindex: the ifindex of the interface to get the name from.
- *
- * The use of raw_seqcount_begin() and cond_resched() before
- * retrying is required as we want to give the writers a chance
- * to complete when CONFIG_PREEMPT is not set.
*/
int netdev_get_name(struct net *net, char *name, int ifindex)
{
struct net_device *dev;
- unsigned int seq;
+ int ret;

-retry:
- seq = raw_seqcount_begin(&devnet_rename_seq);
+ down_read(&devnet_rename_sem);
rcu_read_lock();
+
dev = dev_get_by_index_rcu(net, ifindex);
if (!dev) {
- rcu_read_unlock();
- return -ENODEV;
+ ret = -ENODEV;
+ goto out;
}

strcpy(name, dev->name);
- rcu_read_unlock();
- if (read_seqcount_retry(&devnet_rename_seq, seq)) {
- cond_resched();
- goto retry;
- }

- return 0;
+ ret = 0;
+out:
+ rcu_read_unlock();
+ up_read(&devnet_rename_sem);
+ return ret;
}

/**
@@ -1189,10 +1185,10 @@ int dev_change_name(struct net_device *dev, const char *newname)
if (dev->flags & IFF_UP)
return -EBUSY;

- write_seqcount_begin(&devnet_rename_seq);
+ down_write(&devnet_rename_sem);

if (strncmp(newname, dev->name, IFNAMSIZ) == 0) {
- write_seqcount_end(&devnet_rename_seq);
+ up_write(&devnet_rename_sem);
return 0;
}

@@ -1200,7 +1196,7 @@ int dev_change_name(struct net_device *dev, const char *newname)

err = dev_get_valid_name(net, dev, newname);
if (err < 0) {
- write_seqcount_end(&devnet_rename_seq);
+ up_write(&devnet_rename_sem);
return err;
}

@@ -1215,11 +1211,11 @@ int dev_change_name(struct net_device *dev, const char *newname)
if (ret) {
memcpy(dev->name, oldname, IFNAMSIZ);
dev->name_assign_type = old_assign_type;
- write_seqcount_end(&devnet_rename_seq);
+ up_write(&devnet_rename_sem);
return ret;
}

- write_seqcount_end(&devnet_rename_seq);
+ up_write(&devnet_rename_sem);

netdev_adjacent_rename_links(dev, oldname);

@@ -1240,7 +1236,7 @@ int dev_change_name(struct net_device *dev, const char *newname)
/* err >= 0 after dev_alloc_name() or stores the first errno */
if (err >= 0) {
err = ret;
- write_seqcount_begin(&devnet_rename_seq);
+ down_write(&devnet_rename_sem);
memcpy(dev->name, oldname, IFNAMSIZ);
memcpy(oldname, newname, IFNAMSIZ);
dev->name_assign_type = old_assign_type;
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 2e0a6f92e563..8391c2785550 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -81,11 +81,11 @@ static size_t rpc_ntop6(const struct sockaddr *sap,

rc = snprintf(scopebuf, sizeof(scopebuf), "%c%u",
IPV6_SCOPE_DELIMITER, sin6->sin6_scope_id);
- if (unlikely((size_t)rc > sizeof(scopebuf)))
+ if (unlikely((size_t)rc >= sizeof(scopebuf)))
return 0;

len += rc;
- if (unlikely(len > buflen))
+ if (unlikely(len >= buflen))
return 0;

strcat(buf, scopebuf);
diff --git a/scripts/mksysmap b/scripts/mksysmap
index a35acc0d0b82..9aa23d15862a 100755
--- a/scripts/mksysmap
+++ b/scripts/mksysmap
@@ -41,4 +41,4 @@
# so we just ignore them to let readprofile continue to work.
# (At least sparc64 has __crc_ in the middle).

-$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( .L\)' > $2
+$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)' > $2
diff --git a/security/apparmor/label.c b/security/apparmor/label.c
index ea63710442ae..212a0f39ddae 100644
--- a/security/apparmor/label.c
+++ b/security/apparmor/label.c
@@ -1536,13 +1536,13 @@ static const char *label_modename(struct aa_ns *ns, struct aa_label *label,

label_for_each(i, label, profile) {
if (aa_ns_visible(ns, profile->ns, flags & FLAG_VIEW_SUBNS)) {
- if (profile->mode == APPARMOR_UNCONFINED)
+ count++;
+ if (profile == profile->ns->unconfined)
/* special case unconfined so stacks with
* unconfined don't report as mixed. ie.
* profile_foo//&:ns1:unconfined (mixed)
*/
continue;
- count++;
if (mode == -1)
mode = profile->mode;
else if (mode != profile->mode)
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index b275743e23cc..0158cde957ee 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -2736,8 +2736,12 @@ int security_get_bools(int *len, char ***names, int **values)
if (*names) {
for (i = 0; i < *len; i++)
kfree((*names)[i]);
+ kfree(*names);
}
kfree(*values);
+ *len = 0;
+ *names = NULL;
+ *values = NULL;
goto out;
}

diff --git a/sound/isa/wavefront/wavefront_synth.c b/sound/isa/wavefront/wavefront_synth.c
index 0b1e4b34b299..13c8e6542a2f 100644
--- a/sound/isa/wavefront/wavefront_synth.c
+++ b/sound/isa/wavefront/wavefront_synth.c
@@ -1175,7 +1175,10 @@ wavefront_send_alias (snd_wavefront_t *dev, wavefront_patch_info *header)
"alias for %d\n",
header->number,
header->hdr.a.OriginalSample);
-
+
+ if (header->number >= WF_MAX_SAMPLE)
+ return -EINVAL;
+
munge_int32 (header->number, &alias_hdr[0], 2);
munge_int32 (header->hdr.a.OriginalSample, &alias_hdr[2], 2);
munge_int32 (*((unsigned int *)&header->hdr.a.sampleStartOffset),
@@ -1206,6 +1209,9 @@ wavefront_send_multisample (snd_wavefront_t *dev, wavefront_patch_info *header)
int num_samples;
unsigned char *msample_hdr;

+ if (header->number >= WF_MAX_SAMPLE)
+ return -EINVAL;
+
msample_hdr = kmalloc(WF_MSAMPLE_BYTES, GFP_KERNEL);
if (! msample_hdr)
return -ENOMEM;
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index e10e03800cce..6991718d7c8a 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1747,8 +1747,10 @@ static int davinci_mcasp_get_dma_type(struct davinci_mcasp *mcasp)
PTR_ERR(chan));
return PTR_ERR(chan);
}
- if (WARN_ON(!chan->device || !chan->device->dev))
+ if (WARN_ON(!chan->device || !chan->device->dev)) {
+ dma_release_channel(chan);
return -EINVAL;
+ }

if (chan->device->dev->of_node)
ret = of_property_read_string(chan->device->dev->of_node,
diff --git a/sound/soc/fsl/fsl_asrc_dma.c b/sound/soc/fsl/fsl_asrc_dma.c
index e1b97e59275a..15d7e6da0555 100644
--- a/sound/soc/fsl/fsl_asrc_dma.c
+++ b/sound/soc/fsl/fsl_asrc_dma.c
@@ -243,6 +243,7 @@ static int fsl_asrc_dma_hw_params(struct snd_pcm_substream *substream,
ret = dmaengine_slave_config(pair->dma_chan[dir], &config_be);
if (ret) {
dev_err(dev, "failed to config DMA channel for Back-End\n");
+ dma_release_channel(pair->dma_chan[dir]);
return ret;
}

diff --git a/sound/usb/card.h b/sound/usb/card.h
index ed87cc83eb47..9dbcbb27c28e 100644
--- a/sound/usb/card.h
+++ b/sound/usb/card.h
@@ -81,6 +81,10 @@ struct snd_usb_endpoint {
dma_addr_t sync_dma; /* DMA address of syncbuf */

unsigned int pipe; /* the data i/o pipe */
+ unsigned int framesize[2]; /* small/large frame sizes in samples */
+ unsigned int sample_rem; /* remainder from division fs/fps */
+ unsigned int sample_accum; /* sample accumulator */
+ unsigned int fps; /* frames per second */
unsigned int freqn; /* nominal sampling rate in fs/fps in Q16.16 format */
unsigned int freqm; /* momentary sampling rate in fs/fps in Q16.16 format */
int freqshift; /* how much to shift the feedback value to get Q16.16 */
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 8caf0b57f9c6..841219560872 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -137,12 +137,12 @@ int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep)

/*
* For streaming based on information derived from sync endpoints,
- * prepare_outbound_urb_sizes() will call next_packet_size() to
+ * prepare_outbound_urb_sizes() will call slave_next_packet_size() to
* determine the number of samples to be sent in the next packet.
*
- * For implicit feedback, next_packet_size() is unused.
+ * For implicit feedback, slave_next_packet_size() is unused.
*/
-int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
+int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep)
{
unsigned long flags;
int ret;
@@ -159,6 +159,29 @@ int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
return ret;
}

+/*
+ * For adaptive and synchronous endpoints, prepare_outbound_urb_sizes()
+ * will call next_packet_size() to determine the number of samples to be
+ * sent in the next packet.
+ */
+int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep)
+{
+ int ret;
+
+ if (ep->fill_max)
+ return ep->maxframesize;
+
+ ep->sample_accum += ep->sample_rem;
+ if (ep->sample_accum >= ep->fps) {
+ ep->sample_accum -= ep->fps;
+ ret = ep->framesize[1];
+ } else {
+ ret = ep->framesize[0];
+ }
+
+ return ret;
+}
+
static void retire_outbound_urb(struct snd_usb_endpoint *ep,
struct snd_urb_ctx *urb_ctx)
{
@@ -203,6 +226,8 @@ static void prepare_silent_urb(struct snd_usb_endpoint *ep,

if (ctx->packet_size[i])
counts = ctx->packet_size[i];
+ else if (ep->sync_master)
+ counts = snd_usb_endpoint_slave_next_packet_size(ep);
else
counts = snd_usb_endpoint_next_packet_size(ep);

@@ -889,10 +914,17 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
ep->maxpacksize = fmt->maxpacksize;
ep->fill_max = !!(fmt->attributes & UAC_EP_CS_ATTR_FILL_MAX);

- if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL)
+ if (snd_usb_get_speed(ep->chip->dev) == USB_SPEED_FULL) {
ep->freqn = get_usb_full_speed_rate(rate);
- else
+ ep->fps = 1000;
+ } else {
ep->freqn = get_usb_high_speed_rate(rate);
+ ep->fps = 8000;
+ }
+
+ ep->sample_rem = rate % ep->fps;
+ ep->framesize[0] = rate / ep->fps;
+ ep->framesize[1] = (rate + (ep->fps - 1)) / ep->fps;

/* calculate the frequency in 16.16 format */
ep->freqm = ep->freqn;
@@ -951,6 +983,7 @@ int snd_usb_endpoint_start(struct snd_usb_endpoint *ep)
ep->active_mask = 0;
ep->unlink_mask = 0;
ep->phase = 0;
+ ep->sample_accum = 0;

snd_usb_endpoint_start_quirk(ep);

diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index 63a39d4fa8d8..d23fa0a8c11b 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -28,6 +28,7 @@ void snd_usb_endpoint_release(struct snd_usb_endpoint *ep);
void snd_usb_endpoint_free(struct snd_usb_endpoint *ep);

int snd_usb_endpoint_implicit_feedback_sink(struct snd_usb_endpoint *ep);
+int snd_usb_endpoint_slave_next_packet_size(struct snd_usb_endpoint *ep);
int snd_usb_endpoint_next_packet_size(struct snd_usb_endpoint *ep);

void snd_usb_handle_sync_urb(struct snd_usb_endpoint *ep,
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index ff38fca1781b..fd73186d6003 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -1484,6 +1484,8 @@ static void prepare_playback_urb(struct snd_usb_substream *subs,
for (i = 0; i < ctx->packets; i++) {
if (ctx->packet_size[i])
counts = ctx->packet_size[i];
+ else if (ep->sync_master)
+ counts = snd_usb_endpoint_slave_next_packet_size(ep);
else
counts = snd_usb_endpoint_next_packet_size(ep);

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 429c3e140dc3..35a10b598544 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -401,8 +401,7 @@ static size_t hists__fprintf_nr_sample_events(struct hists *hists, struct report
if (evname != NULL)
ret += fprintf(fp, " of event '%s'", evname);

- if (symbol_conf.show_ref_callgraph &&
- strstr(evname, "call-graph=no")) {
+ if (symbol_conf.show_ref_callgraph && evname && strstr(evname, "call-graph=no")) {
ret += fprintf(fp, ", show reference callgraph");
}

diff --git a/tools/testing/selftests/networking/timestamping/timestamping.c b/tools/testing/selftests/networking/timestamping/timestamping.c
index 5cdfd743447b..900ed4b47899 100644
--- a/tools/testing/selftests/networking/timestamping/timestamping.c
+++ b/tools/testing/selftests/networking/timestamping/timestamping.c
@@ -332,10 +332,16 @@ int main(int argc, char **argv)
int val;
socklen_t len;
struct timeval next;
+ size_t if_len;

if (argc < 2)
usage(0);
interface = argv[1];
+ if_len = strlen(interface);
+ if (if_len >= IFNAMSIZ) {
+ printf("interface name exceeds IFNAMSIZ\n");
+ exit(1);
+ }

for (i = 2; i < argc; i++) {
if (!strcasecmp(argv[i], "SO_TIMESTAMP"))
@@ -369,12 +375,12 @@ int main(int argc, char **argv)
bail("socket");

memset(&device, 0, sizeof(device));
- strncpy(device.ifr_name, interface, sizeof(device.ifr_name));
+ memcpy(device.ifr_name, interface, if_len + 1);
if (ioctl(sock, SIOCGIFADDR, &device) < 0)
bail("getting interface IP address");

memset(&hwtstamp, 0, sizeof(hwtstamp));
- strncpy(hwtstamp.ifr_name, interface, sizeof(hwtstamp.ifr_name));
+ memcpy(hwtstamp.ifr_name, interface, if_len + 1);
hwtstamp.ifr_data = (void *)&hwconfig;
memset(&hwconfig, 0, sizeof(hwconfig));
hwconfig.tx_type =
diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 5d546dcdbc80..b8778960da10 100644
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -24,6 +24,7 @@
#define _GNU_SOURCE
#include <errno.h>
#include <linux/futex.h>
+#include <time.h>
#include <sys/time.h>
#include <sys/syscall.h>
#include <string.h>
@@ -612,10 +613,10 @@ int alloc_random_pkey(void)
int nr_alloced = 0;
int random_index;
memset(alloced_pkeys, 0, sizeof(alloced_pkeys));
+ srand((unsigned int)time(NULL));

/* allocate every possible key and make a note of which ones we got */
max_nr_pkey_allocs = NR_PKEYS;
- max_nr_pkey_allocs = 1;
for (i = 0; i < max_nr_pkey_allocs; i++) {
int new_pkey = alloc_pkey();
if (new_pkey < 0)