From: Greg KH <gregkh@linuxfoundation.org>
To: linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
torvalds@linux-foundation.org, stable@vger.kernel.org
Cc: lwn@lwn.net, Jiri Slaby <jslaby@suse.cz>
Subject: Re: Linux 4.5.6
Date: Wed, 1 Jun 2016 14:47:01 -0700 [thread overview]
Message-ID: <20160601214701.GB19200@kroah.com> (raw)
In-Reply-To: <20160601214652.GA19200@kroah.com>
diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt
index bc3842dc323a..e2dea3dc4307 100644
--- a/Documentation/serial/tty.txt
+++ b/Documentation/serial/tty.txt
@@ -213,9 +213,6 @@ TTY_IO_ERROR If set, causes all subsequent userspace read/write
TTY_OTHER_CLOSED Device is a pty and the other side has closed.
-TTY_OTHER_DONE Device is a pty and the other side has closed and
- all pending input processing has been completed.
-
TTY_NO_WRITE_SPLIT Prevent driver from splitting up writes into
smaller chunks.
diff --git a/Makefile b/Makefile
index a23df411d393..07a1786f695a 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 5
-SUBLEVEL = 5
+SUBLEVEL = 6
EXTRAVERSION =
NAME = Blurry Fish Butt
@@ -688,9 +688,10 @@ KBUILD_CFLAGS += $(call cc-option, -mno-global-merge,)
KBUILD_CFLAGS += $(call cc-option, -fcatch-undefined-behavior)
else
-# This warning generated too much noise in a regular build.
-# Use make W=1 to enable this warning (see scripts/Makefile.build)
+# These warnings generated too much noise in a regular build.
+# Use make W=1 to enable them (see scripts/Makefile.build)
KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
+KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
endif
ifdef CONFIG_FRAME_POINTER
diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c
index aba61fd3697a..88323ffb1ee0 100644
--- a/arch/arm/kvm/mmu.c
+++ b/arch/arm/kvm/mmu.c
@@ -886,11 +886,14 @@ static int stage2_set_pmd_huge(struct kvm *kvm, struct kvm_mmu_memory_cache
VM_BUG_ON(pmd_present(*pmd) && pmd_pfn(*pmd) != pmd_pfn(*new_pmd));
old_pmd = *pmd;
- kvm_set_pmd(pmd, *new_pmd);
- if (pmd_present(old_pmd))
+ if (pmd_present(old_pmd)) {
+ pmd_clear(pmd);
kvm_tlb_flush_vmid_ipa(kvm, addr);
- else
+ } else {
get_page(virt_to_page(pmd));
+ }
+
+ kvm_set_pmd(pmd, *new_pmd);
return 0;
}
@@ -939,12 +942,14 @@ static int stage2_set_pte(struct kvm *kvm, struct kvm_mmu_memory_cache *cache,
/* Create 2nd stage page table mapping - Level 3 */
old_pte = *pte;
- kvm_set_pte(pte, *new_pte);
- if (pte_present(old_pte))
+ if (pte_present(old_pte)) {
+ kvm_set_pte(pte, __pte(0));
kvm_tlb_flush_vmid_ipa(kvm, addr);
- else
+ } else {
get_page(virt_to_page(pte));
+ }
+ kvm_set_pte(pte, *new_pte);
return 0;
}
diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h
index 5c25b831273d..9786f770088d 100644
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -133,7 +133,6 @@
* Section
*/
#define PMD_SECT_VALID (_AT(pmdval_t, 1) << 0)
-#define PMD_SECT_PROT_NONE (_AT(pmdval_t, 1) << 58)
#define PMD_SECT_USER (_AT(pmdval_t, 1) << 6) /* AP[1] */
#define PMD_SECT_RDONLY (_AT(pmdval_t, 1) << 7) /* AP[2] */
#define PMD_SECT_S (_AT(pmdval_t, 3) << 8)
diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h
index 7273210782d5..137d3bf88e2a 100644
--- a/arch/arm64/include/asm/pgtable.h
+++ b/arch/arm64/include/asm/pgtable.h
@@ -356,6 +356,7 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot)
#define pmd_trans_huge(pmd) (pmd_val(pmd) && !(pmd_val(pmd) & PMD_TABLE_BIT))
#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#define pmd_present(pmd) pte_present(pmd_pte(pmd))
#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
#define pmd_young(pmd) pte_young(pmd_pte(pmd))
#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
@@ -364,7 +365,7 @@ static inline pgprot_t mk_sect_prot(pgprot_t prot)
#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
-#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_TYPE_MASK))
+#define pmd_mknotpresent(pmd) (__pmd(pmd_val(pmd) & ~PMD_SECT_VALID))
#define __HAVE_ARCH_PMD_WRITE
#define pmd_write(pmd) pte_write(pmd_pte(pmd))
@@ -403,7 +404,6 @@ extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
unsigned long size, pgprot_t vma_prot);
#define pmd_none(pmd) (!pmd_val(pmd))
-#define pmd_present(pmd) (pmd_val(pmd))
#define pmd_bad(pmd) (!(pmd_val(pmd) & 2))
@@ -547,6 +547,21 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
}
#ifdef CONFIG_ARM64_HW_AFDBM
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+extern int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty);
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
+static inline int pmdp_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp,
+ pmd_t entry, int dirty)
+{
+ return ptep_set_access_flags(vma, address, (pte_t *)pmdp, pmd_pte(entry), dirty);
+}
+#endif
+
/*
* Atomic pte/pmd modifications.
*/
@@ -599,9 +614,9 @@ static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
}
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define __HAVE_ARCH_PMDP_GET_AND_CLEAR
-static inline pmd_t pmdp_get_and_clear(struct mm_struct *mm,
- unsigned long address, pmd_t *pmdp)
+#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
+static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
+ unsigned long address, pmd_t *pmdp)
{
return pte_pmd(ptep_get_and_clear(mm, address, (pte_t *)pmdp));
}
diff --git a/arch/arm64/kernel/cpuinfo.c b/arch/arm64/kernel/cpuinfo.c
index 212ae6361d8b..a5f234039616 100644
--- a/arch/arm64/kernel/cpuinfo.c
+++ b/arch/arm64/kernel/cpuinfo.c
@@ -85,7 +85,8 @@ static const char *const compat_hwcap_str[] = {
"idivt",
"vfpd32",
"lpae",
- "evtstrm"
+ "evtstrm",
+ NULL
};
static const char *const compat_hwcap2_str[] = {
diff --git a/arch/arm64/kvm/inject_fault.c b/arch/arm64/kvm/inject_fault.c
index 4d1ac81870d2..e9e0e6db73f6 100644
--- a/arch/arm64/kvm/inject_fault.c
+++ b/arch/arm64/kvm/inject_fault.c
@@ -162,7 +162,7 @@ static void inject_abt64(struct kvm_vcpu *vcpu, bool is_iabt, unsigned long addr
esr |= (ESR_ELx_EC_IABT_CUR << ESR_ELx_EC_SHIFT);
if (!is_iabt)
- esr |= ESR_ELx_EC_DABT_LOW;
+ esr |= ESR_ELx_EC_DABT_LOW << ESR_ELx_EC_SHIFT;
vcpu_sys_reg(vcpu, ESR_EL1) = esr | ESR_ELx_FSC_EXTABT;
}
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index abe2a9542b3a..a26e3acea6a9 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -81,6 +81,56 @@ void show_pte(struct mm_struct *mm, unsigned long addr)
printk("\n");
}
+#ifdef CONFIG_ARM64_HW_AFDBM
+/*
+ * This function sets the access flags (dirty, accessed), as well as write
+ * permission, and only to a more permissive setting.
+ *
+ * It needs to cope with hardware update of the accessed/dirty state by other
+ * agents in the system and can safely skip the __sync_icache_dcache() call as,
+ * like set_pte_at(), the PTE is never changed from no-exec to exec here.
+ *
+ * Returns whether or not the PTE actually changed.
+ */
+int ptep_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pte_t *ptep,
+ pte_t entry, int dirty)
+{
+ pteval_t old_pteval;
+ unsigned int tmp;
+
+ if (pte_same(*ptep, entry))
+ return 0;
+
+ /* only preserve the access flags and write permission */
+ pte_val(entry) &= PTE_AF | PTE_WRITE | PTE_DIRTY;
+
+ /*
+ * PTE_RDONLY is cleared by default in the asm below, so set it in
+ * back if necessary (read-only or clean PTE).
+ */
+ if (!pte_write(entry) || !dirty)
+ pte_val(entry) |= PTE_RDONLY;
+
+ /*
+ * Setting the flags must be done atomically to avoid racing with the
+ * hardware update of the access/dirty state.
+ */
+ asm volatile("// ptep_set_access_flags\n"
+ " prfm pstl1strm, %2\n"
+ "1: ldxr %0, %2\n"
+ " and %0, %0, %3 // clear PTE_RDONLY\n"
+ " orr %0, %0, %4 // set flags\n"
+ " stxr %w1, %0, %2\n"
+ " cbnz %w1, 1b\n"
+ : "=&r" (old_pteval), "=&r" (tmp), "+Q" (pte_val(*ptep))
+ : "L" (~PTE_RDONLY), "r" (pte_val(entry)));
+
+ flush_tlb_fix_spurious_fault(vma, address);
+ return 1;
+}
+#endif
+
/*
* The kernel tried to access some page that wasn't present.
*/
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index f6b12790716c..942b8f6bf35b 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -747,7 +747,7 @@ extern enum emulation_result kvm_mips_complete_mmio_load(struct kvm_vcpu *vcpu,
uint32_t kvm_mips_read_count(struct kvm_vcpu *vcpu);
void kvm_mips_write_count(struct kvm_vcpu *vcpu, uint32_t count);
-void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare);
+void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare, bool ack);
void kvm_mips_init_count(struct kvm_vcpu *vcpu);
int kvm_mips_set_count_ctl(struct kvm_vcpu *vcpu, s64 count_ctl);
int kvm_mips_set_count_resume(struct kvm_vcpu *vcpu, s64 count_resume);
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index b37954cc880d..b8b7860ec1a8 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -302,12 +302,31 @@ static inline ktime_t kvm_mips_count_time(struct kvm_vcpu *vcpu)
*/
static uint32_t kvm_mips_read_count_running(struct kvm_vcpu *vcpu, ktime_t now)
{
- ktime_t expires;
+ struct mips_coproc *cop0 = vcpu->arch.cop0;
+ ktime_t expires, threshold;
+ uint32_t count, compare;
int running;
- /* Is the hrtimer pending? */
+ /* Calculate the biased and scaled guest CP0_Count */
+ count = vcpu->arch.count_bias + kvm_mips_ktime_to_count(vcpu, now);
+ compare = kvm_read_c0_guest_compare(cop0);
+
+ /*
+ * Find whether CP0_Count has reached the closest timer interrupt. If
+ * not, we shouldn't inject it.
+ */
+ if ((int32_t)(count - compare) < 0)
+ return count;
+
+ /*
+ * The CP0_Count we're going to return has already reached the closest
+ * timer interrupt. Quickly check if it really is a new interrupt by
+ * looking at whether the interval until the hrtimer expiry time is
+ * less than 1/4 of the timer period.
+ */
expires = hrtimer_get_expires(&vcpu->arch.comparecount_timer);
- if (ktime_compare(now, expires) >= 0) {
+ threshold = ktime_add_ns(now, vcpu->arch.count_period / 4);
+ if (ktime_before(expires, threshold)) {
/*
* Cancel it while we handle it so there's no chance of
* interference with the timeout handler.
@@ -329,8 +348,7 @@ static uint32_t kvm_mips_read_count_running(struct kvm_vcpu *vcpu, ktime_t now)
}
}
- /* Return the biased and scaled guest CP0_Count */
- return vcpu->arch.count_bias + kvm_mips_ktime_to_count(vcpu, now);
+ return count;
}
/**
@@ -420,32 +438,6 @@ static void kvm_mips_resume_hrtimer(struct kvm_vcpu *vcpu,
}
/**
- * kvm_mips_update_hrtimer() - Update next expiry time of hrtimer.
- * @vcpu: Virtual CPU.
- *
- * Recalculates and updates the expiry time of the hrtimer. This can be used
- * after timer parameters have been altered which do not depend on the time that
- * the change occurs (in those cases kvm_mips_freeze_hrtimer() and
- * kvm_mips_resume_hrtimer() are used directly).
- *
- * It is guaranteed that no timer interrupts will be lost in the process.
- *
- * Assumes !kvm_mips_count_disabled(@vcpu) (guest CP0_Count timer is running).
- */
-static void kvm_mips_update_hrtimer(struct kvm_vcpu *vcpu)
-{
- ktime_t now;
- uint32_t count;
-
- /*
- * freeze_hrtimer takes care of a timer interrupts <= count, and
- * resume_hrtimer the hrtimer takes care of a timer interrupts > count.
- */
- now = kvm_mips_freeze_hrtimer(vcpu, &count);
- kvm_mips_resume_hrtimer(vcpu, now, count);
-}
-
-/**
* kvm_mips_write_count() - Modify the count and update timer.
* @vcpu: Virtual CPU.
* @count: Guest CP0_Count value to set.
@@ -540,23 +532,42 @@ int kvm_mips_set_count_hz(struct kvm_vcpu *vcpu, s64 count_hz)
* kvm_mips_write_compare() - Modify compare and update timer.
* @vcpu: Virtual CPU.
* @compare: New CP0_Compare value.
+ * @ack: Whether to acknowledge timer interrupt.
*
* Update CP0_Compare to a new value and update the timeout.
+ * If @ack, atomically acknowledge any pending timer interrupt, otherwise ensure
+ * any pending timer interrupt is preserved.
*/
-void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare)
+void kvm_mips_write_compare(struct kvm_vcpu *vcpu, uint32_t compare, bool ack)
{
struct mips_coproc *cop0 = vcpu->arch.cop0;
+ int dc;
+ u32 old_compare = kvm_read_c0_guest_compare(cop0);
+ ktime_t now;
+ uint32_t count;
/* if unchanged, must just be an ack */
- if (kvm_read_c0_guest_compare(cop0) == compare)
+ if (old_compare == compare) {
+ if (!ack)
+ return;
+ kvm_mips_callbacks->dequeue_timer_int(vcpu);
+ kvm_write_c0_guest_compare(cop0, compare);
return;
+ }
+
+ /* freeze_hrtimer() takes care of timer interrupts <= count */
+ dc = kvm_mips_count_disabled(vcpu);
+ if (!dc)
+ now = kvm_mips_freeze_hrtimer(vcpu, &count);
+
+ if (ack)
+ kvm_mips_callbacks->dequeue_timer_int(vcpu);
- /* Update compare */
kvm_write_c0_guest_compare(cop0, compare);
- /* Update timeout if count enabled */
- if (!kvm_mips_count_disabled(vcpu))
- kvm_mips_update_hrtimer(vcpu);
+ /* resume_hrtimer() takes care of timer interrupts > count */
+ if (!dc)
+ kvm_mips_resume_hrtimer(vcpu, now, count);
}
/**
@@ -1095,9 +1106,9 @@ enum emulation_result kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc,
/* If we are writing to COMPARE */
/* Clear pending timer interrupt, if any */
- kvm_mips_callbacks->dequeue_timer_int(vcpu);
kvm_mips_write_compare(vcpu,
- vcpu->arch.gprs[rt]);
+ vcpu->arch.gprs[rt],
+ true);
} else if ((rd == MIPS_CP0_STATUS) && (sel == 0)) {
unsigned int old_val, val, change;
diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
index ad988000563f..1664589d4746 100644
--- a/arch/mips/kvm/trap_emul.c
+++ b/arch/mips/kvm/trap_emul.c
@@ -546,7 +546,7 @@ static int kvm_trap_emul_set_one_reg(struct kvm_vcpu *vcpu,
kvm_mips_write_count(vcpu, v);
break;
case KVM_REG_MIPS_CP0_COMPARE:
- kvm_mips_write_compare(vcpu, v);
+ kvm_mips_write_compare(vcpu, v, false);
break;
case KVM_REG_MIPS_CP0_CAUSE:
/*
diff --git a/arch/x86/kernel/cpu/perf_event_intel_pt.c b/arch/x86/kernel/cpu/perf_event_intel_pt.c
index c0bbd1033b7c..a5286d0bbb43 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_pt.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_pt.c
@@ -695,6 +695,7 @@ static int pt_buffer_reset_markers(struct pt_buffer *buf,
/* clear STOP and INT from current entry */
buf->topa_index[buf->stop_pos]->stop = 0;
+ buf->topa_index[buf->stop_pos]->intr = 0;
buf->topa_index[buf->intr_pos]->intr = 0;
/* how many pages till the STOP marker */
@@ -719,6 +720,7 @@ static int pt_buffer_reset_markers(struct pt_buffer *buf,
buf->intr_pos = idx;
buf->topa_index[buf->stop_pos]->stop = 1;
+ buf->topa_index[buf->stop_pos]->intr = 1;
buf->topa_index[buf->intr_pos]->intr = 1;
return 0;
diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c
index 6525e926f566..2e1fd586b895 100644
--- a/arch/x86/kvm/cpuid.c
+++ b/arch/x86/kvm/cpuid.c
@@ -509,6 +509,7 @@ static inline int __do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
do_cpuid_1_ent(&entry[i], function, idx);
if (idx == 1) {
entry[i].eax &= kvm_supported_word10_x86_features;
+ cpuid_mask(&entry[i].eax, 10);
entry[i].ebx = 0;
if (entry[i].eax & (F(XSAVES)|F(XSAVEC)))
entry[i].ebx =
diff --git a/arch/x86/kvm/mtrr.c b/arch/x86/kvm/mtrr.c
index 3f8c732117ec..c146f3c262c3 100644
--- a/arch/x86/kvm/mtrr.c
+++ b/arch/x86/kvm/mtrr.c
@@ -44,8 +44,6 @@ static bool msr_mtrr_valid(unsigned msr)
case MSR_MTRRdefType:
case MSR_IA32_CR_PAT:
return true;
- case 0x2f8:
- return true;
}
return false;
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 539062e24de1..60946a5d3812 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5021,8 +5021,8 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET;
- vmx_set_cr0(vcpu, cr0); /* enter rmode */
vmx->vcpu.arch.cr0 = cr0;
+ vmx_set_cr0(vcpu, cr0); /* enter rmode */
vmx_set_cr4(vcpu, 0);
vmx_set_efer(vcpu, 0);
vmx_fpu_activate(vcpu);
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index beac4dfdade6..349b8ce92bf2 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -491,8 +491,11 @@ int __init pci_xen_initial_domain(void)
#endif
__acpi_register_gsi = acpi_register_gsi_xen;
__acpi_unregister_gsi = NULL;
- /* Pre-allocate legacy irqs */
- for (irq = 0; irq < nr_legacy_irqs(); irq++) {
+ /*
+ * Pre-allocate the legacy IRQs. Use NR_LEGACY_IRQS here
+ * because we don't have a PIC and thus nr_legacy_irqs() is zero.
+ */
+ for (irq = 0; irq < NR_IRQS_LEGACY; irq++) {
int trigger, polarity;
if (acpi_get_override_irq(irq, &trigger, &polarity) == -1)
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index cd2c3d6d40e0..993fd31394c8 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -319,6 +319,7 @@ int acpi_device_fix_up_power(struct acpi_device *device)
return ret;
}
+EXPORT_SYMBOL_GPL(acpi_device_fix_up_power);
int acpi_device_update_power(struct acpi_device *device, int *state_p)
{
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 67da6fb72274..c45fdc49ff28 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -135,7 +135,7 @@ static struct osi_linux {
unsigned int enable:1;
unsigned int dmi:1;
unsigned int cmdline:1;
- unsigned int default_disabling:1;
+ u8 default_disabling;
} osi_linux = {0, 0, 0, 0};
static u32 acpi_osi_handler(acpi_string interface, u32 supported)
@@ -1713,10 +1713,13 @@ void __init acpi_osi_setup(char *str)
if (*str == '!') {
str++;
if (*str == '\0') {
- osi_linux.default_disabling = 1;
+ /* Do not override acpi_osi=!* */
+ if (!osi_linux.default_disabling)
+ osi_linux.default_disabling =
+ ACPI_DISABLE_ALL_VENDOR_STRINGS;
return;
} else if (*str == '*') {
- acpi_update_interfaces(ACPI_DISABLE_ALL_STRINGS);
+ osi_linux.default_disabling = ACPI_DISABLE_ALL_STRINGS;
for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
osi = &osi_setup_entries[i];
osi->enable = false;
@@ -1789,10 +1792,13 @@ static void __init acpi_osi_setup_late(void)
acpi_status status;
if (osi_linux.default_disabling) {
- status = acpi_update_interfaces(ACPI_DISABLE_ALL_VENDOR_STRINGS);
+ status = acpi_update_interfaces(osi_linux.default_disabling);
if (ACPI_SUCCESS(status))
- printk(KERN_INFO PREFIX "Disabled all _OSI OS vendors\n");
+ printk(KERN_INFO PREFIX "Disabled all _OSI OS vendors%s\n",
+ osi_linux.default_disabling ==
+ ACPI_DISABLE_ALL_STRINGS ?
+ " and feature groups" : "");
}
for (i = 0; i < OSI_STRING_ENTRIES_MAX; i++) {
diff --git a/drivers/bluetooth/hci_vhci.c b/drivers/bluetooth/hci_vhci.c
index 80783dcb7f57..aba31210c802 100644
--- a/drivers/bluetooth/hci_vhci.c
+++ b/drivers/bluetooth/hci_vhci.c
@@ -50,6 +50,7 @@ struct vhci_data {
wait_queue_head_t read_wait;
struct sk_buff_head readq;
+ struct mutex open_mutex;
struct delayed_work open_timeout;
};
@@ -87,12 +88,15 @@ static int vhci_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
return 0;
}
-static int vhci_create_device(struct vhci_data *data, __u8 opcode)
+static int __vhci_create_device(struct vhci_data *data, __u8 opcode)
{
struct hci_dev *hdev;
struct sk_buff *skb;
__u8 dev_type;
+ if (data->hdev)
+ return -EBADFD;
+
/* bits 0-1 are dev_type (BR/EDR or AMP) */
dev_type = opcode & 0x03;
@@ -151,6 +155,17 @@ static int vhci_create_device(struct vhci_data *data, __u8 opcode)
return 0;
}
+static int vhci_create_device(struct vhci_data *data, __u8 opcode)
+{
+ int err;
+
+ mutex_lock(&data->open_mutex);
+ err = __vhci_create_device(data, opcode);
+ mutex_unlock(&data->open_mutex);
+
+ return err;
+}
+
static inline ssize_t vhci_get_user(struct vhci_data *data,
struct iov_iter *from)
{
@@ -189,11 +204,6 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
break;
case HCI_VENDOR_PKT:
- if (data->hdev) {
- kfree_skb(skb);
- return -EBADFD;
- }
-
cancel_delayed_work_sync(&data->open_timeout);
opcode = *((__u8 *) skb->data);
@@ -320,6 +330,7 @@ static int vhci_open(struct inode *inode, struct file *file)
skb_queue_head_init(&data->readq);
init_waitqueue_head(&data->read_wait);
+ mutex_init(&data->open_mutex);
INIT_DELAYED_WORK(&data->open_timeout, vhci_open_timeout);
file->private_data = data;
@@ -333,15 +344,18 @@ static int vhci_open(struct inode *inode, struct file *file)
static int vhci_release(struct inode *inode, struct file *file)
{
struct vhci_data *data = file->private_data;
- struct hci_dev *hdev = data->hdev;
+ struct hci_dev *hdev;
cancel_delayed_work_sync(&data->open_timeout);
+ hdev = data->hdev;
+
if (hdev) {
hci_unregister_dev(hdev);
hci_free_dev(hdev);
}
+ skb_queue_purge(&data->readq);
file->private_data = NULL;
kfree(data);
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 9f4df8f645f8..dd2856b5633c 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1078,10 +1078,12 @@ static void bcm2835_pll_divider_off(struct clk_hw *hw)
struct bcm2835_cprman *cprman = divider->cprman;
const struct bcm2835_pll_divider_data *data = divider->data;
+ spin_lock(&cprman->regs_lock);
cprman_write(cprman, data->cm_reg,
(cprman_read(cprman, data->cm_reg) &
~data->load_mask) | data->hold_mask);
cprman_write(cprman, data->a2w_reg, A2W_PLL_CHANNEL_DISABLE);
+ spin_unlock(&cprman->regs_lock);
}
static int bcm2835_pll_divider_on(struct clk_hw *hw)
@@ -1090,12 +1092,14 @@ static int bcm2835_pll_divider_on(struct clk_hw *hw)
struct bcm2835_cprman *cprman = divider->cprman;
const struct bcm2835_pll_divider_data *data = divider->data;
+ spin_lock(&cprman->regs_lock);
cprman_write(cprman, data->a2w_reg,
cprman_read(cprman, data->a2w_reg) &
~A2W_PLL_CHANNEL_DISABLE);
cprman_write(cprman, data->cm_reg,
cprman_read(cprman, data->cm_reg) & ~data->hold_mask);
+ spin_unlock(&cprman->regs_lock);
return 0;
}
diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index 8cc9b2868b41..5f56d6aae31d 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -2346,6 +2346,7 @@ static struct clk_branch gcc_crypto_ahb_clk = {
"pcnoc_bfdcd_clk_src",
},
.num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
@@ -2381,6 +2382,7 @@ static struct clk_branch gcc_crypto_clk = {
"crypto_clk_src",
},
.num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index f7e0d8d4c3da..8f50a02ff68d 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -248,7 +248,7 @@ static void caam_jr_dequeue(unsigned long devarg)
struct device *caam_jr_alloc(void)
{
struct caam_drv_private_jr *jrpriv, *min_jrpriv = NULL;
- struct device *dev = NULL;
+ struct device *dev = ERR_PTR(-ENODEV);
int min_tfm_cnt = INT_MAX;
int tfm_cnt;
diff --git a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
index a19ee127edca..e72fea737a0d 100644
--- a/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
+++ b/drivers/crypto/sunxi-ss/sun4i-ss-cipher.c
@@ -35,6 +35,7 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
unsigned int todo;
struct sg_mapping_iter mi, mo;
unsigned int oi, oo; /* offset for in and out */
+ unsigned long flags;
if (areq->nbytes == 0)
return 0;
@@ -49,7 +50,7 @@ static int sun4i_ss_opti_poll(struct ablkcipher_request *areq)
return -EINVAL;
}
- spin_lock_bh(&ss->slock);
+ spin_lock_irqsave(&ss->slock, flags);
for (i = 0; i < op->keylen; i += 4)
writel(*(op->key + i / 4), ss->base + SS_KEY0 + i);
@@ -117,7 +118,7 @@ release_ss:
sg_miter_stop(&mi);
sg_miter_stop(&mo);
writel(0, ss->base + SS_CTL);
- spin_unlock_bh(&ss->slock);
+ spin_unlock_irqrestore(&ss->slock, flags);
return err;
}
@@ -149,6 +150,7 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
unsigned int ob = 0; /* offset in buf */
unsigned int obo = 0; /* offset in bufo*/
unsigned int obl = 0; /* length of data in bufo */
+ unsigned long flags;
if (areq->nbytes == 0)
return 0;
@@ -181,7 +183,7 @@ static int sun4i_ss_cipher_poll(struct ablkcipher_request *areq)
if (no_chunk == 1)
return sun4i_ss_opti_poll(areq);
- spin_lock_bh(&ss->slock);
+ spin_lock_irqsave(&ss->slock, flags);
for (i = 0; i < op->keylen; i += 4)
writel(*(op->key + i / 4), ss->base + SS_KEY0 + i);
@@ -308,7 +310,7 @@ release_ss:
sg_miter_stop(&mi);
sg_miter_stop(&mo);
writel(0, ss->base + SS_CTL);
- spin_unlock_bh(&ss->slock);
+ spin_unlock_irqrestore(&ss->slock, flags);
return err;
}
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index aae05547b924..b7ee8d30147d 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -835,6 +835,16 @@ struct talitos_ahash_req_ctx {
struct scatterlist *psrc;
};
+struct talitos_export_state {
+ u32 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE / sizeof(u32)];
+ u8 buf[HASH_MAX_BLOCK_SIZE];
+ unsigned int swinit;
+ unsigned int first;
+ unsigned int last;
+ unsigned int to_hash_later;
+ unsigned int nbuf;
+};
+
static int aead_setkey(struct crypto_aead *authenc,
const u8 *key, unsigned int keylen)
{
@@ -1981,6 +1991,46 @@ static int ahash_digest(struct ahash_request *areq)
return ahash_process_req(areq, areq->nbytes);
}
+static int ahash_export(struct ahash_request *areq, void *out)
+{
+ struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+ struct talitos_export_state *export = out;
+
+ memcpy(export->hw_context, req_ctx->hw_context,
+ req_ctx->hw_context_size);
+ memcpy(export->buf, req_ctx->buf, req_ctx->nbuf);
+ export->swinit = req_ctx->swinit;
+ export->first = req_ctx->first;
+ export->last = req_ctx->last;
+ export->to_hash_later = req_ctx->to_hash_later;
+ export->nbuf = req_ctx->nbuf;
+
+ return 0;
+}
+
+static int ahash_import(struct ahash_request *areq, const void *in)
+{
+ struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+ const struct talitos_export_state *export = in;
+
+ memset(req_ctx, 0, sizeof(*req_ctx));
+ req_ctx->hw_context_size =
+ (crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
+ ? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
+ : TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
+ memcpy(req_ctx->hw_context, export->hw_context,
+ req_ctx->hw_context_size);
+ memcpy(req_ctx->buf, export->buf, export->nbuf);
+ req_ctx->swinit = export->swinit;
+ req_ctx->first = export->first;
+ req_ctx->last = export->last;
+ req_ctx->to_hash_later = export->to_hash_later;
+ req_ctx->nbuf = export->nbuf;
+
+ return 0;
+}
+
struct keyhash_result {
struct completion completion;
int err;
@@ -2458,6 +2508,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = MD5_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "md5",
.cra_driver_name = "md5-talitos",
@@ -2473,6 +2524,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA1_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "sha1",
.cra_driver_name = "sha1-talitos",
@@ -2488,6 +2540,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA224_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "sha224",
.cra_driver_name = "sha224-talitos",
@@ -2503,6 +2556,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "sha256",
.cra_driver_name = "sha256-talitos",
@@ -2518,6 +2572,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA384_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "sha384",
.cra_driver_name = "sha384-talitos",
@@ -2533,6 +2588,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA512_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "sha512",
.cra_driver_name = "sha512-talitos",
@@ -2548,6 +2604,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = MD5_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(md5)",
.cra_driver_name = "hmac-md5-talitos",
@@ -2563,6 +2620,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA1_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(sha1)",
.cra_driver_name = "hmac-sha1-talitos",
@@ -2578,6 +2636,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA224_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(sha224)",
.cra_driver_name = "hmac-sha224-talitos",
@@ -2593,6 +2652,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA256_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(sha256)",
.cra_driver_name = "hmac-sha256-talitos",
@@ -2608,6 +2668,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA384_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(sha384)",
.cra_driver_name = "hmac-sha384-talitos",
@@ -2623,6 +2684,7 @@ static struct talitos_alg_template driver_algs[] = {
{ .type = CRYPTO_ALG_TYPE_AHASH,
.alg.hash = {
.halg.digestsize = SHA512_DIGEST_SIZE,
+ .halg.statesize = sizeof(struct talitos_export_state),
.halg.base = {
.cra_name = "hmac(sha512)",
.cra_driver_name = "hmac-sha512-talitos",
@@ -2814,6 +2876,8 @@ static struct talitos_crypto_alg *talitos_alg_alloc(struct device *dev,
t_alg->algt.alg.hash.finup = ahash_finup;
t_alg->algt.alg.hash.digest = ahash_digest;
t_alg->algt.alg.hash.setkey = ahash_setkey;
+ t_alg->algt.alg.hash.import = ahash_import;
+ t_alg->algt.alg.hash.export = ahash_export;
if (!(priv->features & TALITOS_FTR_HMAC_OK) &&
!strncmp(alg->cra_name, "hmac", 4)) {
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 03022f6420d7..a09841abae50 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -1541,7 +1541,7 @@ static int srp_map_idb(struct srp_rdma_ch *ch, struct srp_request *req,
if (dev->use_fast_reg) {
state.sg = idb_sg;
- sg_set_buf(idb_sg, req->indirect_desc, idb_len);
+ sg_init_one(idb_sg, req->indirect_desc, idb_len);
idb_sg->dma_address = req->indirect_dma_addr; /* hack! */
#ifdef CONFIG_NEED_SG_DMA_LENGTH
idb_sg->dma_length = idb_sg->length; /* hack^2 */
diff --git a/drivers/input/misc/pwm-beeper.c b/drivers/input/misc/pwm-beeper.c
index f2261ab54701..18663d4edae5 100644
--- a/drivers/input/misc/pwm-beeper.c
+++ b/drivers/input/misc/pwm-beeper.c
@@ -20,21 +20,40 @@
#include <linux/platform_device.h>
#include <linux/pwm.h>
#include <linux/slab.h>
+#include <linux/workqueue.h>
struct pwm_beeper {
struct input_dev *input;
struct pwm_device *pwm;
+ struct work_struct work;
unsigned long period;
};
#define HZ_TO_NANOSECONDS(x) (1000000000UL/(x))
+static void __pwm_beeper_set(struct pwm_beeper *beeper)
+{
+ unsigned long period = beeper->period;
+
+ if (period) {
+ pwm_config(beeper->pwm, period / 2, period);
+ pwm_enable(beeper->pwm);
+ } else
+ pwm_disable(beeper->pwm);
+}
+
+static void pwm_beeper_work(struct work_struct *work)
+{
+ struct pwm_beeper *beeper =
+ container_of(work, struct pwm_beeper, work);
+
+ __pwm_beeper_set(beeper);
+}
+
static int pwm_beeper_event(struct input_dev *input,
unsigned int type, unsigned int code, int value)
{
- int ret = 0;
struct pwm_beeper *beeper = input_get_drvdata(input);
- unsigned long period;
if (type != EV_SND || value < 0)
return -EINVAL;
@@ -49,22 +68,31 @@ static int pwm_beeper_event(struct input_dev *input,
return -EINVAL;
}
- if (value == 0) {
- pwm_disable(beeper->pwm);
- } else {
- period = HZ_TO_NANOSECONDS(value);
- ret = pwm_config(beeper->pwm, period / 2, period);
- if (ret)
- return ret;
- ret = pwm_enable(beeper->pwm);
- if (ret)
- return ret;
- beeper->period = period;
- }
+ if (value == 0)
+ beeper->period = 0;
+ else
+ beeper->period = HZ_TO_NANOSECONDS(value);
+
+ schedule_work(&beeper->work);
return 0;
}
+static void pwm_beeper_stop(struct pwm_beeper *beeper)
+{
+ cancel_work_sync(&beeper->work);
+
+ if (beeper->period)
+ pwm_disable(beeper->pwm);
+}
+
+static void pwm_beeper_close(struct input_dev *input)
+{
+ struct pwm_beeper *beeper = input_get_drvdata(input);
+
+ pwm_beeper_stop(beeper);
+}
+
static int pwm_beeper_probe(struct platform_device *pdev)
{
unsigned long pwm_id = (unsigned long)dev_get_platdata(&pdev->dev);
@@ -87,6 +115,8 @@ static int pwm_beeper_probe(struct platform_device *pdev)
goto err_free;
}
+ INIT_WORK(&beeper->work, pwm_beeper_work);
+
beeper->input = input_allocate_device();
if (!beeper->input) {
dev_err(&pdev->dev, "Failed to allocate input device\n");
@@ -106,6 +136,7 @@ static int pwm_beeper_probe(struct platform_device *pdev)
beeper->input->sndbit[0] = BIT(SND_TONE) | BIT(SND_BELL);
beeper->input->event = pwm_beeper_event;
+ beeper->input->close = pwm_beeper_close;
input_set_drvdata(beeper->input, beeper);
@@ -135,7 +166,6 @@ static int pwm_beeper_remove(struct platform_device *pdev)
input_unregister_device(beeper->input);
- pwm_disable(beeper->pwm);
pwm_free(beeper->pwm);
kfree(beeper);
@@ -147,8 +177,7 @@ static int __maybe_unused pwm_beeper_suspend(struct device *dev)
{
struct pwm_beeper *beeper = dev_get_drvdata(dev);
- if (beeper->period)
- pwm_disable(beeper->pwm);
+ pwm_beeper_stop(beeper);
return 0;
}
@@ -157,10 +186,8 @@ static int __maybe_unused pwm_beeper_resume(struct device *dev)
{
struct pwm_beeper *beeper = dev_get_drvdata(dev);
- if (beeper->period) {
- pwm_config(beeper->pwm, beeper->period / 2, beeper->period);
- pwm_enable(beeper->pwm);
- }
+ if (beeper->period)
+ __pwm_beeper_set(beeper);
return 0;
}
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index d7be6ddc34f6..2fc499a2207e 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -361,6 +361,13 @@ static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs
if (static_key_true(&supports_deactivate))
gic_write_dir(irqnr);
#ifdef CONFIG_SMP
+ /*
+ * Unlike GICv2, we don't need an smp_rmb() here.
+ * The control dependency from gic_read_iar to
+ * the ISB in gic_write_eoir is enough to ensure
+ * that any shared data read by handle_IPI will
+ * be read after the ACK.
+ */
handle_IPI(irqnr, regs);
#else
WARN_ONCE(true, "Unexpected SGI received!\n");
@@ -380,6 +387,15 @@ static void __init gic_dist_init(void)
writel_relaxed(0, base + GICD_CTLR);
gic_dist_wait_for_rwp();
+ /*
+ * Configure SPIs as non-secure Group-1. This will only matter
+ * if the GIC only has a single security state. This will not
+ * do the right thing if the kernel is running in secure mode,
+ * but that's not the intended use case anyway.
+ */
+ for (i = 32; i < gic_data.irq_nr; i += 32)
+ writel_relaxed(~0, base + GICD_IGROUPR + i / 8);
+
gic_dist_config(base, gic_data.irq_nr, gic_dist_wait_for_rwp);
/* Enable distributor with ARE, Group1 */
@@ -494,6 +510,9 @@ static void gic_cpu_init(void)
rbase = gic_data_rdist_sgi_base();
+ /* Configure SGIs/PPIs as non-secure Group-1 */
+ writel_relaxed(~0, rbase + GICR_IGROUPR0);
+
gic_cpu_config(rbase, gic_redist_wait_for_rwp);
/* Give LPIs a spin */
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 8f9ebf714e2b..eef950046ac0 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -344,6 +344,14 @@ static void __exception_irq_entry gic_handle_irq(struct pt_regs *regs)
if (static_key_true(&supports_deactivate))
writel_relaxed(irqstat, cpu_base + GIC_CPU_DEACTIVATE);
#ifdef CONFIG_SMP
+ /*
+ * Ensure any shared data written by the CPU sending
+ * the IPI is read after we've read the ACK register
+ * on the GIC.
+ *
+ * Pairs with the write barrier in gic_raise_softirq
+ */
+ smp_rmb();
handle_IPI(irqnr, regs);
#endif
continue;
diff --git a/drivers/mcb/mcb-parse.c b/drivers/mcb/mcb-parse.c
index 004926955263..b0155b05cddb 100644
--- a/drivers/mcb/mcb-parse.c
+++ b/drivers/mcb/mcb-parse.c
@@ -57,7 +57,7 @@ static int chameleon_parse_gdd(struct mcb_bus *bus,
mdev->id = GDD_DEV(reg1);
mdev->rev = GDD_REV(reg1);
mdev->var = GDD_VAR(reg1);
- mdev->bar = GDD_BAR(reg1);
+ mdev->bar = GDD_BAR(reg2);
mdev->group = GDD_GRP(reg2);
mdev->inst = GDD_INS(reg2);
diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
index b7b3e8ee64f2..c30290f33430 100644
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -269,6 +269,8 @@ static int usbtll_omap_probe(struct platform_device *pdev)
if (IS_ERR(tll->ch_clk[i]))
dev_dbg(dev, "can't get clock : %s\n", clkname);
+ else
+ clk_prepare(tll->ch_clk[i]);
}
pm_runtime_put_sync(dev);
@@ -301,9 +303,12 @@ static int usbtll_omap_remove(struct platform_device *pdev)
tll_dev = NULL;
spin_unlock(&tll_lock);
- for (i = 0; i < tll->nch; i++)
- if (!IS_ERR(tll->ch_clk[i]))
+ for (i = 0; i < tll->nch; i++) {
+ if (!IS_ERR(tll->ch_clk[i])) {
+ clk_unprepare(tll->ch_clk[i]);
clk_put(tll->ch_clk[i]);
+ }
+ }
pm_runtime_disable(&pdev->dev);
return 0;
@@ -420,7 +425,7 @@ int omap_tll_enable(struct usbhs_omap_platform_data *pdata)
if (IS_ERR(tll->ch_clk[i]))
continue;
- r = clk_prepare_enable(tll->ch_clk[i]);
+ r = clk_enable(tll->ch_clk[i]);
if (r) {
dev_err(tll_dev,
"Error enabling ch %d clock: %d\n", i, r);
@@ -448,7 +453,7 @@ int omap_tll_disable(struct usbhs_omap_platform_data *pdata)
for (i = 0; i < tll->nch; i++) {
if (omap_usb_mode_needs_tll(pdata->port_mode[i])) {
if (!IS_ERR(tll->ch_clk[i]))
- clk_disable_unprepare(tll->ch_clk[i]);
+ clk_disable(tll->ch_clk[i]);
}
}
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index cd0403f09267..e79c0371ee6f 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -417,8 +417,10 @@ int mei_amthif_irq_read_msg(struct mei_cl *cl,
dev = cl->dev;
- if (dev->iamthif_state != MEI_IAMTHIF_READING)
+ if (dev->iamthif_state != MEI_IAMTHIF_READING) {
+ mei_irq_discard_msg(dev, mei_hdr);
return 0;
+ }
ret = mei_cl_irq_read_msg(cl, mei_hdr, cmpl_list);
if (ret)
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 1a173d0af694..a77643954523 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -222,17 +222,23 @@ EXPORT_SYMBOL_GPL(mei_cldev_recv);
static void mei_cl_bus_event_work(struct work_struct *work)
{
struct mei_cl_device *cldev;
+ struct mei_device *bus;
cldev = container_of(work, struct mei_cl_device, event_work);
+ bus = cldev->bus;
+
if (cldev->event_cb)
cldev->event_cb(cldev, cldev->events, cldev->event_context);
cldev->events = 0;
/* Prepare for the next read */
- if (cldev->events_mask & BIT(MEI_CL_EVENT_RX))
+ if (cldev->events_mask & BIT(MEI_CL_EVENT_RX)) {
+ mutex_lock(&bus->device_lock);
mei_cl_read_start(cldev->cl, 0, NULL);
+ mutex_unlock(&bus->device_lock);
+ }
}
/**
@@ -296,6 +302,7 @@ int mei_cldev_register_event_cb(struct mei_cl_device *cldev,
unsigned long events_mask,
mei_cldev_event_cb_t event_cb, void *context)
{
+ struct mei_device *bus = cldev->bus;
int ret;
if (cldev->event_cb)
@@ -308,15 +315,17 @@ int mei_cldev_register_event_cb(struct mei_cl_device *cldev,
INIT_WORK(&cldev->event_work, mei_cl_bus_event_work);
if (cldev->events_mask & BIT(MEI_CL_EVENT_RX)) {
+ mutex_lock(&bus->device_lock);
ret = mei_cl_read_start(cldev->cl, 0, NULL);
+ mutex_unlock(&bus->device_lock);
if (ret && ret != -EBUSY)
return ret;
}
if (cldev->events_mask & BIT(MEI_CL_EVENT_NOTIF)) {
- mutex_lock(&cldev->cl->dev->device_lock);
+ mutex_lock(&bus->device_lock);
ret = mei_cl_notify_request(cldev->cl, NULL, event_cb ? 1 : 0);
- mutex_unlock(&cldev->cl->dev->device_lock);
+ mutex_unlock(&bus->device_lock);
if (ret)
return ret;
}
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index a6c87c713193..958af84884b5 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -1735,6 +1735,10 @@ void mei_cl_complete(struct mei_cl *cl, struct mei_cl_cb *cb)
wake_up(&cl->wait);
break;
+ case MEI_FOP_DISCONNECT_RSP:
+ mei_io_cb_free(cb);
+ mei_cl_set_disconnected(cl);
+ break;
default:
BUG_ON(0);
}
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index e7b7aad0999b..fd8a9f057ea6 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -873,8 +873,7 @@ static int mei_hbm_fw_disconnect_req(struct mei_device *dev,
cb = mei_io_cb_init(cl, MEI_FOP_DISCONNECT_RSP, NULL);
if (!cb)
return -ENOMEM;
- cl_dbg(dev, cl, "add disconnect response as first\n");
- list_add(&cb->list, &dev->ctrl_wr_list.list);
+ list_add_tail(&cb->list, &dev->ctrl_wr_list.list);
}
return 0;
}
diff --git a/drivers/misc/mei/interrupt.c b/drivers/misc/mei/interrupt.c
index 64b568a0268d..d1df797c7568 100644
--- a/drivers/misc/mei/interrupt.c
+++ b/drivers/misc/mei/interrupt.c
@@ -76,7 +76,6 @@ static inline int mei_cl_hbm_equal(struct mei_cl *cl,
* @dev: mei device
* @hdr: message header
*/
-static inline
void mei_irq_discard_msg(struct mei_device *dev, struct mei_msg_hdr *hdr)
{
/*
@@ -184,10 +183,7 @@ static int mei_cl_irq_disconnect_rsp(struct mei_cl *cl, struct mei_cl_cb *cb,
return -EMSGSIZE;
ret = mei_hbm_cl_disconnect_rsp(dev, cl);
- mei_cl_set_disconnected(cl);
- mei_io_cb_free(cb);
- mei_me_cl_put(cl->me_cl);
- cl->me_cl = NULL;
+ list_move_tail(&cb->list, &cmpl_list->list);
return ret;
}
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 4250555d5e72..1b06e2fd6858 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -782,6 +782,8 @@ bool mei_hbuf_acquire(struct mei_device *dev);
bool mei_write_is_idle(struct mei_device *dev);
+void mei_irq_discard_msg(struct mei_device *dev, struct mei_msg_hdr *hdr);
+
#if IS_ENABLED(CONFIG_DEBUG_FS)
int mei_dbgfs_register(struct mei_device *dev, const char *name);
void mei_dbgfs_deregister(struct mei_device *dev);
diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index c6f36f3ca5d2..7630b6b7eb75 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -2494,11 +2494,12 @@ static const struct mmc_fixup blk_fixups[] =
MMC_QUIRK_BLK_NO_CMD23),
/*
- * Some Micron MMC cards needs longer data read timeout than
- * indicated in CSD.
+ * Some MMC cards need longer data read timeout than indicated in CSD.
*/
MMC_FIXUP(CID_NAME_ANY, CID_MANFID_MICRON, 0x200, add_quirk_mmc,
MMC_QUIRK_LONG_READ_TIME),
+ MMC_FIXUP("008GE0", CID_MANFID_TOSHIBA, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_LONG_READ_TIME),
/*
* On these Samsung MoviNAND parts, performing secure erase or
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index f95d41ffc766..228a81bcea49 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -868,11 +868,11 @@ void mmc_set_data_timeout(struct mmc_data *data, const struct mmc_card *card)
/*
* Some cards require longer data read timeout than indicated in CSD.
* Address this by setting the read timeout to a "reasonably high"
- * value. For the cards tested, 300ms has proven enough. If necessary,
+ * value. For the cards tested, 600ms has proven enough. If necessary,
* this value can be increased if other problematic cards require this.
*/
if (mmc_card_long_read_time(card) && data->flags & MMC_DATA_READ) {
- data->timeout_ns = 300000000;
+ data->timeout_ns = 600000000;
data->timeout_clks = 0;
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index bf49e44571f2..07a419fedd43 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -333,6 +333,9 @@ static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd)
}
}
+/* Minimum partition switch timeout in milliseconds */
+#define MMC_MIN_PART_SWITCH_TIME 300
+
/*
* Decode extended CSD.
*/
@@ -397,6 +400,10 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
/* EXT_CSD value is in units of 10ms, but we store in ms */
card->ext_csd.part_time = 10 * ext_csd[EXT_CSD_PART_SWITCH_TIME];
+ /* Some eMMC set the value too low so set a minimum */
+ if (card->ext_csd.part_time &&
+ card->ext_csd.part_time < MMC_MIN_PART_SWITCH_TIME)
+ card->ext_csd.part_time = MMC_MIN_PART_SWITCH_TIME;
/* Sleep / awake timeout in 100ns units */
if (sa_shift > 0 && sa_shift <= 0x17)
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 975139f97498..e517be7f03bf 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -307,7 +307,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
.chip = &sdhci_acpi_chip_int,
.caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
- MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_WAIT_WHILE_BUSY,
+ MMC_CAP_WAIT_WHILE_BUSY,
.caps2 = MMC_CAP2_HC_ERASE_SZ,
.flags = SDHCI_ACPI_RUNTIME_PM,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
@@ -322,7 +322,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
.caps = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD |
- MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_WAIT_WHILE_BUSY,
+ MMC_CAP_WAIT_WHILE_BUSY,
.flags = SDHCI_ACPI_RUNTIME_PM,
.pm_caps = MMC_PM_KEEP_POWER,
.probe_slot = sdhci_acpi_sdio_probe_slot,
@@ -334,7 +334,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = {
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
.quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
SDHCI_QUIRK2_STOP_WITH_TC,
- .caps = MMC_CAP_BUS_WIDTH_TEST | MMC_CAP_WAIT_WHILE_BUSY,
+ .caps = MMC_CAP_WAIT_WHILE_BUSY,
.probe_slot = sdhci_acpi_sd_probe_slot,
};
@@ -396,7 +396,7 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
acpi_handle handle = ACPI_HANDLE(dev);
- struct acpi_device *device;
+ struct acpi_device *device, *child;
struct sdhci_acpi_host *c;
struct sdhci_host *host;
struct resource *iomem;
@@ -408,6 +408,11 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
if (acpi_bus_get_device(handle, &device))
return -ENODEV;
+ /* Power on the SDHCI controller and its children */
+ acpi_device_fix_up_power(device);
+ list_for_each_entry(child, &device->children, node)
+ acpi_device_fix_up_power(child);
+
if (acpi_bus_get_status(device) || !device->status.present)
return -ENODEV;
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index a04d0f7ee00e..807f930a7c14 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -361,7 +361,6 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
- MMC_CAP_BUS_WIDTH_TEST |
MMC_CAP_WAIT_WHILE_BUSY;
slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
slot->hw_reset = sdhci_pci_int_hw_reset;
@@ -377,15 +376,13 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE |
- MMC_CAP_BUS_WIDTH_TEST |
MMC_CAP_WAIT_WHILE_BUSY;
return 0;
}
static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
{
- slot->host->mmc->caps |= MMC_CAP_BUS_WIDTH_TEST |
- MMC_CAP_WAIT_WHILE_BUSY;
+ slot->host->mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
slot->cd_con_id = NULL;
slot->cd_idx = 0;
slot->cd_override_level = true;
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 5b9834cf2820..96fddb016bf1 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -426,8 +426,25 @@ retry:
pnum, vol_id, lnum);
err = -EBADMSG;
} else {
- err = -EINVAL;
- ubi_ro_mode(ubi);
+ /*
+ * Ending up here in the non-Fastmap case
+ * is a clear bug as the VID header had to
+ * be present at scan time to have it referenced.
+ * With fastmap the story is more complicated.
+ * Fastmap has the mapping info without the need
+ * of a full scan. So the LEB could have been
+ * unmapped, Fastmap cannot know this and keeps
+ * the LEB referenced.
+ * This is valid and works as the layer above UBI
+ * has to do bookkeeping about used/referenced
+ * LEBs in any case.
+ */
+ if (ubi->fast_attach) {
+ err = -EBADMSG;
+ } else {
+ err = -EINVAL;
+ ubi_ro_mode(ubi);
+ }
}
}
goto out_free;
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 263b439e21a8..990898b9dc72 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -1058,6 +1058,7 @@ int ubi_scan_fastmap(struct ubi_device *ubi, struct ubi_attach_info *ai,
ubi_msg(ubi, "fastmap WL pool size: %d",
ubi->fm_wl_pool.max_size);
ubi->fm_disabled = 0;
+ ubi->fast_attach = 1;
ubi_free_vid_hdr(ubi, vh);
kfree(ech);
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 2974b67f6c6c..de1ea2e4c37d 100644
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -462,6 +462,7 @@ struct ubi_debug_info {
* @fm_eba_sem: allows ubi_update_fastmap() to block EBA table changes
* @fm_work: fastmap work queue
* @fm_work_scheduled: non-zero if fastmap work was scheduled
+ * @fast_attach: non-zero if UBI was attached by fastmap
*
* @used: RB-tree of used physical eraseblocks
* @erroneous: RB-tree of erroneous used physical eraseblocks
@@ -570,6 +571,7 @@ struct ubi_device {
size_t fm_size;
struct work_struct fm_work;
int fm_work_scheduled;
+ int fast_attach;
/* Wear-leveling sub-system's stuff */
struct rb_root used;
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 141c2a42d7ed..910c12e2638e 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -696,11 +696,17 @@ int can_change_mtu(struct net_device *dev, int new_mtu)
/* allow change of MTU according to the CANFD ability of the device */
switch (new_mtu) {
case CAN_MTU:
+ /* 'CANFD-only' controllers can not switch to CAN_MTU */
+ if (priv->ctrlmode_static & CAN_CTRLMODE_FD)
+ return -EINVAL;
+
priv->ctrlmode &= ~CAN_CTRLMODE_FD;
break;
case CANFD_MTU:
- if (!(priv->ctrlmode_supported & CAN_CTRLMODE_FD))
+ /* check for potential CANFD ability */
+ if (!(priv->ctrlmode_supported & CAN_CTRLMODE_FD) &&
+ !(priv->ctrlmode_static & CAN_CTRLMODE_FD))
return -EINVAL;
priv->ctrlmode |= CAN_CTRLMODE_FD;
@@ -782,6 +788,35 @@ static const struct nla_policy can_policy[IFLA_CAN_MAX + 1] = {
= { .len = sizeof(struct can_bittiming_const) },
};
+static int can_validate(struct nlattr *tb[], struct nlattr *data[])
+{
+ bool is_can_fd = false;
+
+ /* Make sure that valid CAN FD configurations always consist of
+ * - nominal/arbitration bittiming
+ * - data bittiming
+ * - control mode with CAN_CTRLMODE_FD set
+ */
+
+ if (data[IFLA_CAN_CTRLMODE]) {
+ struct can_ctrlmode *cm = nla_data(data[IFLA_CAN_CTRLMODE]);
+
+ is_can_fd = cm->flags & cm->mask & CAN_CTRLMODE_FD;
+ }
+
+ if (is_can_fd) {
+ if (!data[IFLA_CAN_BITTIMING] || !data[IFLA_CAN_DATA_BITTIMING])
+ return -EOPNOTSUPP;
+ }
+
+ if (data[IFLA_CAN_DATA_BITTIMING]) {
+ if (!is_can_fd || !data[IFLA_CAN_BITTIMING])
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
static int can_changelink(struct net_device *dev,
struct nlattr *tb[], struct nlattr *data[])
{
@@ -813,19 +848,31 @@ static int can_changelink(struct net_device *dev,
if (data[IFLA_CAN_CTRLMODE]) {
struct can_ctrlmode *cm;
+ u32 ctrlstatic;
+ u32 maskedflags;
/* Do not allow changing controller mode while running */
if (dev->flags & IFF_UP)
return -EBUSY;
cm = nla_data(data[IFLA_CAN_CTRLMODE]);
+ ctrlstatic = priv->ctrlmode_static;
+ maskedflags = cm->flags & cm->mask;
+
+ /* check whether provided bits are allowed to be passed */
+ if (cm->mask & ~(priv->ctrlmode_supported | ctrlstatic))
+ return -EOPNOTSUPP;
+
+ /* do not check for static fd-non-iso if 'fd' is disabled */
+ if (!(maskedflags & CAN_CTRLMODE_FD))
+ ctrlstatic &= ~CAN_CTRLMODE_FD_NON_ISO;
- /* check whether changed bits are allowed to be modified */
- if (cm->mask & ~priv->ctrlmode_supported)
+ /* make sure static options are provided by configuration */
+ if ((maskedflags & ctrlstatic) != ctrlstatic)
return -EOPNOTSUPP;
/* clear bits to be modified and copy the flag values */
priv->ctrlmode &= ~cm->mask;
- priv->ctrlmode |= (cm->flags & cm->mask);
+ priv->ctrlmode |= maskedflags;
/* CAN_CTRLMODE_FD can only be set when driver supports FD */
if (priv->ctrlmode & CAN_CTRLMODE_FD)
@@ -966,6 +1013,7 @@ static struct rtnl_link_ops can_link_ops __read_mostly = {
.maxtype = IFLA_CAN_MAX,
.policy = can_policy,
.setup = can_setup,
+ .validate = can_validate,
.newlink = can_newlink,
.changelink = can_changelink,
.get_size = can_get_size,
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 39cf911f7a1e..195f15edb32e 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -955,7 +955,7 @@ static struct net_device *alloc_m_can_dev(void)
priv->can.do_get_berr_counter = m_can_get_berr_counter;
/* CAN_CTRLMODE_FD_NON_ISO is fixed with M_CAN IP v3.0.1 */
- priv->can.ctrlmode = CAN_CTRLMODE_FD_NON_ISO;
+ can_set_static_ctrlmode(dev, CAN_CTRLMODE_FD_NON_ISO);
/* CAN_CTRLMODE_FD_NON_ISO can not be changed with M_CAN IP v3.0.1 */
priv->can.ctrlmode_supported = CAN_CTRLMODE_LOOPBACK |
diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c
index 0c5c22b84da8..7de5ab589e4e 100644
--- a/drivers/net/usb/asix_common.c
+++ b/drivers/net/usb/asix_common.c
@@ -66,7 +66,7 @@ int asix_rx_fixup_internal(struct usbnet *dev, struct sk_buff *skb,
* buffer.
*/
if (rx->remaining && (rx->remaining + sizeof(u32) <= skb->len)) {
- offset = ((rx->remaining + 1) & 0xfffe) + sizeof(u32);
+ offset = ((rx->remaining + 1) & 0xfffe);
rx->header = get_unaligned_le32(skb->data + offset);
offset = 0;
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 1f44a151d206..d5a099b022e4 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -524,8 +524,10 @@ static int st21nfca_hci_i2c_acpi_request_resources(struct i2c_client *client)
/* Get EN GPIO from ACPI */
gpiod_ena = devm_gpiod_get_index(dev, ST21NFCA_GPIO_NAME_EN, 1,
GPIOD_OUT_LOW);
- if (!IS_ERR(gpiod_ena))
- phy->gpio_ena = desc_to_gpio(gpiod_ena);
+ if (!IS_ERR(gpiod_ena)) {
+ nfc_err(dev, "Unable to get ENABLE GPIO\n");
+ return -ENODEV;
+ }
phy->gpio_ena = desc_to_gpio(gpiod_ena);
diff --git a/drivers/platform/x86/dell-rbtn.c b/drivers/platform/x86/dell-rbtn.c
index cd410e392550..d33e9ad3218f 100644
--- a/drivers/platform/x86/dell-rbtn.c
+++ b/drivers/platform/x86/dell-rbtn.c
@@ -28,6 +28,7 @@ struct rbtn_data {
enum rbtn_type type;
struct rfkill *rfkill;
struct input_dev *input_dev;
+ bool suspended;
};
@@ -220,9 +221,55 @@ static const struct acpi_device_id rbtn_ids[] = {
{ "", 0 },
};
+#ifdef CONFIG_PM_SLEEP
+static void ACPI_SYSTEM_XFACE rbtn_clear_suspended_flag(void *context)
+{
+ struct rbtn_data *rbtn_data = context;
+
+ rbtn_data->suspended = false;
+}
+
+static int rbtn_suspend(struct device *dev)
+{
+ struct acpi_device *device = to_acpi_device(dev);
+ struct rbtn_data *rbtn_data = acpi_driver_data(device);
+
+ rbtn_data->suspended = true;
+
+ return 0;
+}
+
+static int rbtn_resume(struct device *dev)
+{
+ struct acpi_device *device = to_acpi_device(dev);
+ struct rbtn_data *rbtn_data = acpi_driver_data(device);
+ acpi_status status;
+
+ /*
+ * Upon resume, some BIOSes send an ACPI notification thet triggers
+ * an unwanted input event. In order to ignore it, we use a flag
+ * that we set at suspend and clear once we have received the extra
+ * ACPI notification. Since ACPI notifications are delivered
+ * asynchronously to drivers, we clear the flag from the workqueue
+ * used to deliver the notifications. This should be enough
+ * to have the flag cleared only after we received the extra
+ * notification, if any.
+ */
+ status = acpi_os_execute(OSL_NOTIFY_HANDLER,
+ rbtn_clear_suspended_flag, rbtn_data);
+ if (ACPI_FAILURE(status))
+ rbtn_clear_suspended_flag(rbtn_data);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(rbtn_pm_ops, rbtn_suspend, rbtn_resume);
+
static struct acpi_driver rbtn_driver = {
.name = "dell-rbtn",
.ids = rbtn_ids,
+ .drv.pm = &rbtn_pm_ops,
.ops = {
.add = rbtn_add,
.remove = rbtn_remove,
@@ -384,6 +431,15 @@ static void rbtn_notify(struct acpi_device *device, u32 event)
{
struct rbtn_data *rbtn_data = device->driver_data;
+ /*
+ * Some BIOSes send a notification at resume.
+ * Ignore it to prevent unwanted input events.
+ */
+ if (rbtn_data->suspended) {
+ dev_dbg(&device->dev, "ACPI notification ignored\n");
+ return;
+ }
+
if (event != 0x80) {
dev_info(&device->dev, "Received unknown event (0x%x)\n",
event);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 6a820668d442..b7cc6027cb7b 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -315,6 +315,7 @@ static void scsi_target_destroy(struct scsi_target *starget)
struct Scsi_Host *shost = dev_to_shost(dev->parent);
unsigned long flags;
+ BUG_ON(starget->state == STARGET_DEL);
starget->state = STARGET_DEL;
transport_destroy_device(dev);
spin_lock_irqsave(shost->host_lock, flags);
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 00bc7218a7f8..9e5f893aa3ad 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1272,18 +1272,18 @@ static void __scsi_remove_target(struct scsi_target *starget)
void scsi_remove_target(struct device *dev)
{
struct Scsi_Host *shost = dev_to_shost(dev->parent);
- struct scsi_target *starget, *last_target = NULL;
+ struct scsi_target *starget;
unsigned long flags;
restart:
spin_lock_irqsave(shost->host_lock, flags);
list_for_each_entry(starget, &shost->__targets, siblings) {
if (starget->state == STARGET_DEL ||
- starget == last_target)
+ starget->state == STARGET_REMOVE)
continue;
if (starget->dev.parent == dev || &starget->dev == dev) {
kref_get(&starget->reap_ref);
- last_target = starget;
+ starget->state = STARGET_REMOVE;
spin_unlock_irqrestore(shost->host_lock, flags);
__scsi_remove_target(starget);
scsi_target_reap(starget);
diff --git a/drivers/staging/comedi/drivers/das1800.c b/drivers/staging/comedi/drivers/das1800.c
index 940781183fac..3be10963f98b 100644
--- a/drivers/staging/comedi/drivers/das1800.c
+++ b/drivers/staging/comedi/drivers/das1800.c
@@ -567,14 +567,17 @@ static int das1800_cancel(struct comedi_device *dev, struct comedi_subdevice *s)
struct comedi_isadma_desc *desc;
int i;
- outb(0x0, dev->iobase + DAS1800_STATUS); /* disable conversions */
- outb(0x0, dev->iobase + DAS1800_CONTROL_B); /* disable interrupts and dma */
- outb(0x0, dev->iobase + DAS1800_CONTROL_A); /* disable and clear fifo and stop triggering */
-
- for (i = 0; i < 2; i++) {
- desc = &dma->desc[i];
- if (desc->chan)
- comedi_isadma_disable(desc->chan);
+ /* disable and stop conversions */
+ outb(0x0, dev->iobase + DAS1800_STATUS);
+ outb(0x0, dev->iobase + DAS1800_CONTROL_B);
+ outb(0x0, dev->iobase + DAS1800_CONTROL_A);
+
+ if (dma) {
+ for (i = 0; i < 2; i++) {
+ desc = &dma->desc[i];
+ if (desc->chan)
+ comedi_isadma_disable(desc->chan);
+ }
}
return 0;
@@ -934,13 +937,14 @@ static void das1800_ai_setup_dma(struct comedi_device *dev,
{
struct das1800_private *devpriv = dev->private;
struct comedi_isadma *dma = devpriv->dma;
- struct comedi_isadma_desc *desc = &dma->desc[0];
+ struct comedi_isadma_desc *desc;
unsigned int bytes;
if ((devpriv->irq_dma_bits & DMA_ENABLED) == 0)
return;
dma->cur_dma = 0;
+ desc = &dma->desc[0];
/* determine a dma transfer size to fill buffer in 0.3 sec */
bytes = das1800_ai_transfer_size(dev, s, desc->maxsize, 300000000);
diff --git a/drivers/thunderbolt/eeprom.c b/drivers/thunderbolt/eeprom.c
index 0dde34e3a7c5..545c60c826a1 100644
--- a/drivers/thunderbolt/eeprom.c
+++ b/drivers/thunderbolt/eeprom.c
@@ -444,6 +444,7 @@ int tb_drom_read(struct tb_switch *sw)
return tb_drom_parse_entries(sw);
err:
kfree(sw->drom);
+ sw->drom = NULL;
return -EIO;
}
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index c3fe026d3168..9aff37186246 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -2045,7 +2045,9 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm)
}
}
spin_unlock(&gsm_mux_lock);
- WARN_ON(i == MAX_MUX);
+ /* open failed before registering => nothing to do */
+ if (i == MAX_MUX)
+ return;
/* In theory disconnecting DLCI 0 is sufficient but for some
modems this is apparently not the case. */
diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index bbc4ce66c2c1..644ddb841d9f 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -600,7 +600,7 @@ static ssize_t n_hdlc_tty_read(struct tty_struct *tty, struct file *file,
add_wait_queue(&tty->read_wait, &wait);
for (;;) {
- if (test_bit(TTY_OTHER_DONE, &tty->flags)) {
+ if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
ret = -EIO;
break;
}
@@ -828,7 +828,7 @@ static unsigned int n_hdlc_tty_poll(struct tty_struct *tty, struct file *filp,
/* set bits for operations that won't block */
if (n_hdlc->rx_buf_list.head)
mask |= POLLIN | POLLRDNORM; /* readable */
- if (test_bit(TTY_OTHER_DONE, &tty->flags))
+ if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
mask |= POLLHUP;
if (tty_hung_up_p(filp))
mask |= POLLHUP;
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index b280abaad91b..c12def71ed37 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1963,18 +1963,6 @@ static inline int input_available_p(struct tty_struct *tty, int poll)
return ldata->commit_head - ldata->read_tail >= amt;
}
-static inline int check_other_done(struct tty_struct *tty)
-{
- int done = test_bit(TTY_OTHER_DONE, &tty->flags);
- if (done) {
- /* paired with cmpxchg() in check_other_closed(); ensures
- * read buffer head index is not stale
- */
- smp_mb__after_atomic();
- }
- return done;
-}
-
/**
* copy_from_read_buf - copy read data directly
* @tty: terminal device
@@ -2170,7 +2158,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
struct n_tty_data *ldata = tty->disc_data;
unsigned char __user *b = buf;
DEFINE_WAIT_FUNC(wait, woken_wake_function);
- int c, done;
+ int c;
int minimum, time;
ssize_t retval = 0;
long timeout;
@@ -2238,32 +2226,35 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
((minimum - (b - buf)) >= 1))
ldata->minimum_to_wake = (minimum - (b - buf));
- done = check_other_done(tty);
-
if (!input_available_p(tty, 0)) {
- if (done) {
- retval = -EIO;
- break;
- }
- if (tty_hung_up_p(file))
- break;
- if (!timeout)
- break;
- if (file->f_flags & O_NONBLOCK) {
- retval = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- retval = -ERESTARTSYS;
- break;
- }
up_read(&tty->termios_rwsem);
+ tty_buffer_flush_work(tty->port);
+ down_read(&tty->termios_rwsem);
+ if (!input_available_p(tty, 0)) {
+ if (test_bit(TTY_OTHER_CLOSED, &tty->flags)) {
+ retval = -EIO;
+ break;
+ }
+ if (tty_hung_up_p(file))
+ break;
+ if (!timeout)
+ break;
+ if (file->f_flags & O_NONBLOCK) {
+ retval = -EAGAIN;
+ break;
+ }
+ if (signal_pending(current)) {
+ retval = -ERESTARTSYS;
+ break;
+ }
+ up_read(&tty->termios_rwsem);
- timeout = wait_woken(&wait, TASK_INTERRUPTIBLE,
- timeout);
+ timeout = wait_woken(&wait, TASK_INTERRUPTIBLE,
+ timeout);
- down_read(&tty->termios_rwsem);
- continue;
+ down_read(&tty->termios_rwsem);
+ continue;
+ }
}
if (ldata->icanon && !L_EXTPROC(tty)) {
@@ -2445,12 +2436,17 @@ static unsigned int n_tty_poll(struct tty_struct *tty, struct file *file,
poll_wait(file, &tty->read_wait, wait);
poll_wait(file, &tty->write_wait, wait);
- if (check_other_done(tty))
- mask |= POLLHUP;
if (input_available_p(tty, 1))
mask |= POLLIN | POLLRDNORM;
+ else {
+ tty_buffer_flush_work(tty->port);
+ if (input_available_p(tty, 1))
+ mask |= POLLIN | POLLRDNORM;
+ }
if (tty->packet && tty->link->ctrl_status)
mask |= POLLPRI | POLLIN | POLLRDNORM;
+ if (test_bit(TTY_OTHER_CLOSED, &tty->flags))
+ mask |= POLLHUP;
if (tty_hung_up_p(file))
mask |= POLLHUP;
if (!(mask & (POLLHUP | POLLIN | POLLRDNORM))) {
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index 2348fa613707..6427a39bd360 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -59,7 +59,7 @@ static void pty_close(struct tty_struct *tty, struct file *filp)
if (!tty->link)
return;
set_bit(TTY_OTHER_CLOSED, &tty->link->flags);
- tty_flip_buffer_push(tty->link->port);
+ wake_up_interruptible(&tty->link->read_wait);
wake_up_interruptible(&tty->link->write_wait);
if (tty->driver->subtype == PTY_TYPE_MASTER) {
set_bit(TTY_OTHER_CLOSED, &tty->flags);
@@ -247,9 +247,7 @@ static int pty_open(struct tty_struct *tty, struct file *filp)
goto out;
clear_bit(TTY_IO_ERROR, &tty->flags);
- /* TTY_OTHER_CLOSED must be cleared before TTY_OTHER_DONE */
clear_bit(TTY_OTHER_CLOSED, &tty->link->flags);
- clear_bit(TTY_OTHER_DONE, &tty->link->flags);
set_bit(TTY_THROTTLED, &tty->flags);
return 0;
diff --git a/drivers/tty/serial/8250/8250_mid.c b/drivers/tty/serial/8250/8250_mid.c
index 88531a36b69c..ed489880e62b 100644
--- a/drivers/tty/serial/8250/8250_mid.c
+++ b/drivers/tty/serial/8250/8250_mid.c
@@ -14,6 +14,7 @@
#include <linux/pci.h>
#include <linux/dma/hsu.h>
+#include <linux/8250_pci.h>
#include "8250.h"
@@ -24,6 +25,7 @@
#define PCI_DEVICE_ID_INTEL_DNV_UART 0x19d8
/* Intel MID Specific registers */
+#define INTEL_MID_UART_DNV_FISR 0x08
#define INTEL_MID_UART_PS 0x30
#define INTEL_MID_UART_MUL 0x34
#define INTEL_MID_UART_DIV 0x38
@@ -31,6 +33,7 @@
struct mid8250;
struct mid8250_board {
+ unsigned int flags;
unsigned long freq;
unsigned int base_baud;
int (*setup)(struct mid8250 *, struct uart_port *p);
@@ -88,16 +91,16 @@ static int tng_setup(struct mid8250 *mid, struct uart_port *p)
static int dnv_handle_irq(struct uart_port *p)
{
struct mid8250 *mid = p->private_data;
- int ret;
-
- ret = hsu_dma_irq(&mid->dma_chip, 0);
- ret |= hsu_dma_irq(&mid->dma_chip, 1);
-
- /* For now, letting the HW generate separate interrupt for the UART */
- if (ret)
- return ret;
-
- return serial8250_handle_irq(p, serial_port_in(p, UART_IIR));
+ unsigned int fisr = serial_port_in(p, INTEL_MID_UART_DNV_FISR);
+ int ret = IRQ_NONE;
+
+ if (fisr & BIT(2))
+ ret |= hsu_dma_irq(&mid->dma_chip, 1);
+ if (fisr & BIT(1))
+ ret |= hsu_dma_irq(&mid->dma_chip, 0);
+ if (fisr & BIT(0))
+ ret |= serial8250_handle_irq(p, serial_port_in(p, UART_IIR));
+ return ret;
}
#define DNV_DMA_CHAN_OFFSET 0x80
@@ -106,12 +109,13 @@ static int dnv_setup(struct mid8250 *mid, struct uart_port *p)
{
struct hsu_dma_chip *chip = &mid->dma_chip;
struct pci_dev *pdev = to_pci_dev(p->dev);
+ unsigned int bar = FL_GET_BASE(mid->board->flags);
int ret;
chip->dev = &pdev->dev;
chip->irq = pdev->irq;
chip->regs = p->membase;
- chip->length = pci_resource_len(pdev, 0);
+ chip->length = pci_resource_len(pdev, bar);
chip->offset = DNV_DMA_CHAN_OFFSET;
/* Falling back to PIO mode if DMA probing fails */
@@ -217,6 +221,7 @@ static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
struct uart_8250_port uart;
struct mid8250 *mid;
+ unsigned int bar;
int ret;
ret = pcim_enable_device(pdev);
@@ -230,6 +235,7 @@ static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENOMEM;
mid->board = (struct mid8250_board *)id->driver_data;
+ bar = FL_GET_BASE(mid->board->flags);
memset(&uart, 0, sizeof(struct uart_8250_port));
@@ -242,8 +248,8 @@ static int mid8250_probe(struct pci_dev *pdev, const struct pci_device_id *id)
uart.port.flags = UPF_SHARE_IRQ | UPF_FIXED_PORT | UPF_FIXED_TYPE;
uart.port.set_termios = mid8250_set_termios;
- uart.port.mapbase = pci_resource_start(pdev, 0);
- uart.port.membase = pcim_iomap(pdev, 0, 0);
+ uart.port.mapbase = pci_resource_start(pdev, bar);
+ uart.port.membase = pcim_iomap(pdev, bar, 0);
if (!uart.port.membase)
return -ENOMEM;
@@ -282,18 +288,21 @@ static void mid8250_remove(struct pci_dev *pdev)
}
static const struct mid8250_board pnw_board = {
+ .flags = FL_BASE0,
.freq = 50000000,
.base_baud = 115200,
.setup = pnw_setup,
};
static const struct mid8250_board tng_board = {
+ .flags = FL_BASE0,
.freq = 38400000,
.base_baud = 1843200,
.setup = tng_setup,
};
static const struct mid8250_board dnv_board = {
+ .flags = FL_BASE1,
.freq = 133333333,
.base_baud = 115200,
.setup = dnv_setup,
diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 7cd6f9a90542..c1d4a8fa9be8 100644
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -1401,6 +1401,9 @@ byt_set_termios(struct uart_port *p, struct ktermios *termios,
unsigned long m, n;
u32 reg;
+ /* Gracefully handle the B0 case: fall back to B9600 */
+ fuart = fuart ? fuart : 9600 * 16;
+
/* Get Fuart closer to Fref */
fuart *= rounddown_pow_of_two(fref / fuart);
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 1c0884d8ef32..172a8ccb0b63 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -273,6 +273,13 @@ static bool atmel_use_dma_rx(struct uart_port *port)
return atmel_port->use_dma_rx;
}
+static bool atmel_use_fifo(struct uart_port *port)
+{
+ struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
+
+ return atmel_port->fifo_size;
+}
+
static unsigned int atmel_get_lines_status(struct uart_port *port)
{
struct atmel_uart_port *atmel_port = to_atmel_uart_port(port);
@@ -2082,7 +2089,12 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
mode |= ATMEL_US_USMODE_RS485;
} else if (termios->c_cflag & CRTSCTS) {
/* RS232 with hardware handshake (RTS/CTS) */
- mode |= ATMEL_US_USMODE_HWHS;
+ if (atmel_use_dma_rx(port) && !atmel_use_fifo(port)) {
+ dev_info(port->dev, "not enabling hardware flow control because DMA is used");
+ termios->c_cflag &= ~CRTSCTS;
+ } else {
+ mode |= ATMEL_US_USMODE_HWHS;
+ }
} else {
/* RS232 without hadware handshake */
mode |= ATMEL_US_USMODE_NORMAL;
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index d72cd736bdc6..8320173af846 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1263,6 +1263,8 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
/* check to see if we need to change clock source */
if (ourport->baudclk != clk) {
+ clk_prepare_enable(clk);
+
s3c24xx_serial_setsource(port, clk_sel);
if (!IS_ERR(ourport->baudclk)) {
@@ -1270,8 +1272,6 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
ourport->baudclk = ERR_PTR(-EINVAL);
}
- clk_prepare_enable(clk);
-
ourport->baudclk = clk;
ourport->baudclk_rate = clk ? clk_get_rate(clk) : 0;
}
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 3cd31e0d4bd9..fb31eecb708d 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -37,29 +37,6 @@
#define TTY_BUFFER_PAGE (((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF)
-/*
- * If all tty flip buffers have been processed by flush_to_ldisc() or
- * dropped by tty_buffer_flush(), check if the linked pty has been closed.
- * If so, wake the reader/poll to process
- */
-static inline void check_other_closed(struct tty_struct *tty)
-{
- unsigned long flags, old;
-
- /* transition from TTY_OTHER_CLOSED => TTY_OTHER_DONE must be atomic */
- for (flags = ACCESS_ONCE(tty->flags);
- test_bit(TTY_OTHER_CLOSED, &flags);
- ) {
- old = flags;
- __set_bit(TTY_OTHER_DONE, &flags);
- flags = cmpxchg(&tty->flags, old, flags);
- if (old == flags) {
- wake_up_interruptible(&tty->read_wait);
- break;
- }
- }
-}
-
/**
* tty_buffer_lock_exclusive - gain exclusive access to buffer
* tty_buffer_unlock_exclusive - release exclusive access
@@ -254,8 +231,6 @@ void tty_buffer_flush(struct tty_struct *tty, struct tty_ldisc *ld)
if (ld && ld->ops->flush_buffer)
ld->ops->flush_buffer(tty);
- check_other_closed(tty);
-
atomic_dec(&buf->priority);
mutex_unlock(&buf->lock);
}
@@ -505,10 +480,8 @@ static void flush_to_ldisc(struct work_struct *work)
*/
count = smp_load_acquire(&head->commit) - head->read;
if (!count) {
- if (next == NULL) {
- check_other_closed(tty);
+ if (next == NULL)
break;
- }
buf->head = next;
tty_buffer_free(port, head);
continue;
@@ -597,3 +570,8 @@ bool tty_buffer_cancel_work(struct tty_port *port)
{
return cancel_work_sync(&port->buf.work);
}
+
+void tty_buffer_flush_work(struct tty_port *port)
+{
+ flush_work(&port->buf.work);
+}
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index bd51bdd0a7bf..2b5382ea4842 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -3583,9 +3583,10 @@ static int do_register_con_driver(const struct consw *csw, int first, int last)
goto err;
desc = csw->con_startup();
-
- if (!desc)
+ if (!desc) {
+ retval = -ENODEV;
goto err;
+ }
retval = -EINVAL;
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index 2057d91d8336..dadd1e8dfe09 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -284,7 +284,7 @@ static int usb_probe_interface(struct device *dev)
struct usb_device *udev = interface_to_usbdev(intf);
const struct usb_device_id *id;
int error = -ENODEV;
- int lpm_disable_error;
+ int lpm_disable_error = -ENODEV;
dev_dbg(dev, "%s\n", __func__);
@@ -336,12 +336,14 @@ static int usb_probe_interface(struct device *dev)
* setting during probe, that should also be fine. usb_set_interface()
* will attempt to disable LPM, and fail if it can't disable it.
*/
- lpm_disable_error = usb_unlocked_disable_lpm(udev);
- if (lpm_disable_error && driver->disable_hub_initiated_lpm) {
- dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n.",
- __func__, driver->name);
- error = lpm_disable_error;
- goto err;
+ if (driver->disable_hub_initiated_lpm) {
+ lpm_disable_error = usb_unlocked_disable_lpm(udev);
+ if (lpm_disable_error) {
+ dev_err(&intf->dev, "%s Failed to disable LPM for driver %s\n.",
+ __func__, driver->name);
+ error = lpm_disable_error;
+ goto err;
+ }
}
/* Carry out a deferred switch to altsetting 0 */
@@ -391,7 +393,8 @@ static int usb_unbind_interface(struct device *dev)
struct usb_interface *intf = to_usb_interface(dev);
struct usb_host_endpoint *ep, **eps = NULL;
struct usb_device *udev;
- int i, j, error, r, lpm_disable_error;
+ int i, j, error, r;
+ int lpm_disable_error = -ENODEV;
intf->condition = USB_INTERFACE_UNBINDING;
@@ -399,12 +402,13 @@ static int usb_unbind_interface(struct device *dev)
udev = interface_to_usbdev(intf);
error = usb_autoresume_device(udev);
- /* Hub-initiated LPM policy may change, so attempt to disable LPM until
+ /* If hub-initiated LPM policy may change, attempt to disable LPM until
* the driver is unbound. If LPM isn't disabled, that's fine because it
* wouldn't be enabled unless all the bound interfaces supported
* hub-initiated LPM.
*/
- lpm_disable_error = usb_unlocked_disable_lpm(udev);
+ if (driver->disable_hub_initiated_lpm)
+ lpm_disable_error = usb_unlocked_disable_lpm(udev);
/*
* Terminate all URBs for this interface unless the driver
@@ -505,7 +509,7 @@ int usb_driver_claim_interface(struct usb_driver *driver,
struct device *dev;
struct usb_device *udev;
int retval = 0;
- int lpm_disable_error;
+ int lpm_disable_error = -ENODEV;
if (!iface)
return -ENODEV;
@@ -526,12 +530,14 @@ int usb_driver_claim_interface(struct usb_driver *driver,
iface->condition = USB_INTERFACE_BOUND;
- /* Disable LPM until this driver is bound. */
- lpm_disable_error = usb_unlocked_disable_lpm(udev);
- if (lpm_disable_error && driver->disable_hub_initiated_lpm) {
- dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.",
- __func__, driver->name);
- return -ENOMEM;
+ /* See the comment about disabling LPM in usb_probe_interface(). */
+ if (driver->disable_hub_initiated_lpm) {
+ lpm_disable_error = usb_unlocked_disable_lpm(udev);
+ if (lpm_disable_error) {
+ dev_err(&iface->dev, "%s Failed to disable LPM for driver %s\n.",
+ __func__, driver->name);
+ return -ENOMEM;
+ }
}
/* Claimed interfaces are initially inactive (suspended) and
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 79d895c2dd71..97ef75af9632 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -651,7 +651,7 @@ static void ffs_user_copy_worker(struct work_struct *work)
if (io_data->read && ret > 0) {
use_mm(io_data->mm);
ret = copy_to_iter(io_data->buf, ret, &io_data->data);
- if (iov_iter_count(&io_data->data))
+ if (ret != io_data->req->actual && iov_iter_count(&io_data->data))
ret = -EFAULT;
unuse_mm(io_data->mm);
}
diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 223ccf89d226..a4f664062e0c 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2977,25 +2977,6 @@ void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn,
}
EXPORT_SYMBOL_GPL(fsg_common_set_inquiry_string);
-int fsg_common_run_thread(struct fsg_common *common)
-{
- common->state = FSG_STATE_IDLE;
- /* Tell the thread to start working */
- common->thread_task =
- kthread_create(fsg_main_thread, common, "file-storage");
- if (IS_ERR(common->thread_task)) {
- common->state = FSG_STATE_TERMINATED;
- return PTR_ERR(common->thread_task);
- }
-
- DBG(common, "I/O thread pid: %d\n", task_pid_nr(common->thread_task));
-
- wake_up_process(common->thread_task);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(fsg_common_run_thread);
-
static void fsg_common_release(struct kref *ref)
{
struct fsg_common *common = container_of(ref, struct fsg_common, ref);
@@ -3005,6 +2986,7 @@ static void fsg_common_release(struct kref *ref)
if (common->state != FSG_STATE_TERMINATED) {
raise_exception(common, FSG_STATE_EXIT);
wait_for_completion(&common->thread_notifier);
+ common->thread_task = NULL;
}
for (i = 0; i < ARRAY_SIZE(common->luns); ++i) {
@@ -3050,9 +3032,21 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
if (ret)
return ret;
fsg_common_set_inquiry_string(fsg->common, NULL, NULL);
- ret = fsg_common_run_thread(fsg->common);
- if (ret)
+ }
+
+ if (!common->thread_task) {
+ common->state = FSG_STATE_IDLE;
+ common->thread_task =
+ kthread_create(fsg_main_thread, common, "file-storage");
+ if (IS_ERR(common->thread_task)) {
+ int ret = PTR_ERR(common->thread_task);
+ common->thread_task = NULL;
+ common->state = FSG_STATE_TERMINATED;
return ret;
+ }
+ DBG(common, "I/O thread pid: %d\n",
+ task_pid_nr(common->thread_task));
+ wake_up_process(common->thread_task);
}
fsg->gadget = gadget;
diff --git a/drivers/usb/gadget/function/f_mass_storage.h b/drivers/usb/gadget/function/f_mass_storage.h
index 445df6775609..b6a9918eaefb 100644
--- a/drivers/usb/gadget/function/f_mass_storage.h
+++ b/drivers/usb/gadget/function/f_mass_storage.h
@@ -153,8 +153,6 @@ int fsg_common_create_luns(struct fsg_common *common, struct fsg_config *cfg);
void fsg_common_set_inquiry_string(struct fsg_common *common, const char *vn,
const char *pn);
-int fsg_common_run_thread(struct fsg_common *common);
-
void fsg_config_from_params(struct fsg_config *cfg,
const struct fsg_module_parameters *params,
unsigned int fsg_num_buffers);
diff --git a/drivers/usb/gadget/legacy/acm_ms.c b/drivers/usb/gadget/legacy/acm_ms.c
index c16089efc322..c39de65a448b 100644
--- a/drivers/usb/gadget/legacy/acm_ms.c
+++ b/drivers/usb/gadget/legacy/acm_ms.c
@@ -133,10 +133,6 @@ static int acm_ms_do_config(struct usb_configuration *c)
if (status < 0)
goto put_msg;
- status = fsg_common_run_thread(opts->common);
- if (status)
- goto remove_acm;
-
status = usb_add_function(c, f_msg);
if (status)
goto remove_acm;
diff --git a/drivers/usb/gadget/legacy/mass_storage.c b/drivers/usb/gadget/legacy/mass_storage.c
index e61af53c7d2b..125974f32f50 100644
--- a/drivers/usb/gadget/legacy/mass_storage.c
+++ b/drivers/usb/gadget/legacy/mass_storage.c
@@ -132,10 +132,6 @@ static int msg_do_config(struct usb_configuration *c)
if (IS_ERR(f_msg))
return PTR_ERR(f_msg);
- ret = fsg_common_run_thread(opts->common);
- if (ret)
- goto put_func;
-
ret = usb_add_function(c, f_msg);
if (ret)
goto put_func;
diff --git a/drivers/usb/gadget/legacy/multi.c b/drivers/usb/gadget/legacy/multi.c
index 229d704a620b..a70a406580ea 100644
--- a/drivers/usb/gadget/legacy/multi.c
+++ b/drivers/usb/gadget/legacy/multi.c
@@ -137,7 +137,6 @@ static struct usb_function *f_msg_rndis;
static int rndis_do_config(struct usb_configuration *c)
{
- struct fsg_opts *fsg_opts;
int ret;
if (gadget_is_otg(c->cdev->gadget)) {
@@ -169,11 +168,6 @@ static int rndis_do_config(struct usb_configuration *c)
goto err_fsg;
}
- fsg_opts = fsg_opts_from_func_inst(fi_msg);
- ret = fsg_common_run_thread(fsg_opts->common);
- if (ret)
- goto err_run;
-
ret = usb_add_function(c, f_msg_rndis);
if (ret)
goto err_run;
@@ -225,7 +219,6 @@ static struct usb_function *f_msg_multi;
static int cdc_do_config(struct usb_configuration *c)
{
- struct fsg_opts *fsg_opts;
int ret;
if (gadget_is_otg(c->cdev->gadget)) {
@@ -258,11 +251,6 @@ static int cdc_do_config(struct usb_configuration *c)
goto err_fsg;
}
- fsg_opts = fsg_opts_from_func_inst(fi_msg);
- ret = fsg_common_run_thread(fsg_opts->common);
- if (ret)
- goto err_run;
-
ret = usb_add_function(c, f_msg_multi);
if (ret)
goto err_run;
diff --git a/drivers/usb/gadget/legacy/nokia.c b/drivers/usb/gadget/legacy/nokia.c
index 09975046c694..b1e535f4022e 100644
--- a/drivers/usb/gadget/legacy/nokia.c
+++ b/drivers/usb/gadget/legacy/nokia.c
@@ -152,7 +152,6 @@ static int nokia_bind_config(struct usb_configuration *c)
struct usb_function *f_ecm;
struct usb_function *f_obex2 = NULL;
struct usb_function *f_msg;
- struct fsg_opts *fsg_opts;
int status = 0;
int obex1_stat = -1;
int obex2_stat = -1;
@@ -222,12 +221,6 @@ static int nokia_bind_config(struct usb_configuration *c)
goto err_ecm;
}
- fsg_opts = fsg_opts_from_func_inst(fi_msg);
-
- status = fsg_common_run_thread(fsg_opts->common);
- if (status)
- goto err_msg;
-
status = usb_add_function(c, f_msg);
if (status)
goto err_msg;
diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c
index b86a6f03592e..e272b3ba1d14 100644
--- a/drivers/usb/gadget/udc/udc-core.c
+++ b/drivers/usb/gadget/udc/udc-core.c
@@ -75,7 +75,7 @@ int usb_gadget_map_request(struct usb_gadget *gadget,
mapped = dma_map_sg(dev, req->sg, req->num_sgs,
is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
if (mapped == 0) {
- dev_err(&gadget->dev, "failed to map SGs\n");
+ dev_err(dev, "failed to map SGs\n");
return -EFAULT;
}
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 92fdb6e9faff..c78ff95a43be 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -529,6 +529,7 @@ static struct scatterlist *
alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe)
{
struct scatterlist *sg;
+ unsigned int n_size = 0;
unsigned i;
unsigned size = max;
unsigned maxpacket =
@@ -561,7 +562,8 @@ alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe)
break;
case 1:
for (j = 0; j < size; j++)
- *buf++ = (u8) ((j % maxpacket) % 63);
+ *buf++ = (u8) (((j + n_size) % maxpacket) % 63);
+ n_size += size;
break;
}
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index f49327d20ee8..0a935b1e5475 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2849,14 +2849,16 @@ static int edge_startup(struct usb_serial *serial)
/* not set up yet, so do it now */
edge_serial->interrupt_read_urb =
usb_alloc_urb(0, GFP_KERNEL);
- if (!edge_serial->interrupt_read_urb)
- return -ENOMEM;
+ if (!edge_serial->interrupt_read_urb) {
+ response = -ENOMEM;
+ break;
+ }
edge_serial->interrupt_in_buffer =
kmalloc(buffer_size, GFP_KERNEL);
if (!edge_serial->interrupt_in_buffer) {
- usb_free_urb(edge_serial->interrupt_read_urb);
- return -ENOMEM;
+ response = -ENOMEM;
+ break;
}
edge_serial->interrupt_in_endpoint =
endpoint->bEndpointAddress;
@@ -2884,14 +2886,16 @@ static int edge_startup(struct usb_serial *serial)
/* not set up yet, so do it now */
edge_serial->read_urb =
usb_alloc_urb(0, GFP_KERNEL);
- if (!edge_serial->read_urb)
- return -ENOMEM;
+ if (!edge_serial->read_urb) {
+ response = -ENOMEM;
+ break;
+ }
edge_serial->bulk_in_buffer =
kmalloc(buffer_size, GFP_KERNEL);
if (!edge_serial->bulk_in_buffer) {
- usb_free_urb(edge_serial->read_urb);
- return -ENOMEM;
+ response = -ENOMEM;
+ break;
}
edge_serial->bulk_in_endpoint =
endpoint->bEndpointAddress;
@@ -2917,9 +2921,22 @@ static int edge_startup(struct usb_serial *serial)
}
}
- if (!interrupt_in_found || !bulk_in_found || !bulk_out_found) {
- dev_err(ddev, "Error - the proper endpoints were not found!\n");
- return -ENODEV;
+ if (response || !interrupt_in_found || !bulk_in_found ||
+ !bulk_out_found) {
+ if (!response) {
+ dev_err(ddev, "expected endpoints not found\n");
+ response = -ENODEV;
+ }
+
+ usb_free_urb(edge_serial->interrupt_read_urb);
+ kfree(edge_serial->interrupt_in_buffer);
+
+ usb_free_urb(edge_serial->read_urb);
+ kfree(edge_serial->bulk_in_buffer);
+
+ kfree(edge_serial);
+
+ return response;
}
/* start interrupt read for this edgeport this interrupt will
@@ -2942,16 +2959,9 @@ static void edge_disconnect(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
- /* stop reads and writes on all ports */
- /* free up our endpoint stuff */
if (edge_serial->is_epic) {
usb_kill_urb(edge_serial->interrupt_read_urb);
- usb_free_urb(edge_serial->interrupt_read_urb);
- kfree(edge_serial->interrupt_in_buffer);
-
usb_kill_urb(edge_serial->read_urb);
- usb_free_urb(edge_serial->read_urb);
- kfree(edge_serial->bulk_in_buffer);
}
}
@@ -2964,6 +2974,16 @@ static void edge_release(struct usb_serial *serial)
{
struct edgeport_serial *edge_serial = usb_get_serial_data(serial);
+ if (edge_serial->is_epic) {
+ usb_kill_urb(edge_serial->interrupt_read_urb);
+ usb_free_urb(edge_serial->interrupt_read_urb);
+ kfree(edge_serial->interrupt_in_buffer);
+
+ usb_kill_urb(edge_serial->read_urb);
+ usb_free_urb(edge_serial->read_urb);
+ kfree(edge_serial->bulk_in_buffer);
+ }
+
kfree(edge_serial);
}
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index e07b15ed5814..7faa901ee47f 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -2376,6 +2376,10 @@ static void keyspan_release(struct usb_serial *serial)
s_priv = usb_get_serial_data(serial);
+ /* Make sure to unlink the URBs submitted in attach. */
+ usb_kill_urb(s_priv->instat_urb);
+ usb_kill_urb(s_priv->indat_urb);
+
usb_free_urb(s_priv->instat_urb);
usb_free_urb(s_priv->indat_urb);
usb_free_urb(s_priv->glocont_urb);
diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c
index 31a8b47f1ac6..c6596cbcc4b6 100644
--- a/drivers/usb/serial/mxuport.c
+++ b/drivers/usb/serial/mxuport.c
@@ -1259,6 +1259,15 @@ static int mxuport_attach(struct usb_serial *serial)
return 0;
}
+static void mxuport_release(struct usb_serial *serial)
+{
+ struct usb_serial_port *port0 = serial->port[0];
+ struct usb_serial_port *port1 = serial->port[1];
+
+ usb_serial_generic_close(port1);
+ usb_serial_generic_close(port0);
+}
+
static int mxuport_open(struct tty_struct *tty, struct usb_serial_port *port)
{
struct mxuport_port *mxport = usb_get_serial_port_data(port);
@@ -1361,6 +1370,7 @@ static struct usb_serial_driver mxuport_device = {
.probe = mxuport_probe,
.port_probe = mxuport_port_probe,
.attach = mxuport_attach,
+ .release = mxuport_release,
.calc_num_ports = mxuport_calc_num_ports,
.open = mxuport_open,
.close = mxuport_close,
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index c6f497f16526..d96d423d00e6 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -375,18 +375,22 @@ static void option_instat_callback(struct urb *urb);
#define HAIER_PRODUCT_CE81B 0x10f8
#define HAIER_PRODUCT_CE100 0x2009
-/* Cinterion (formerly Siemens) products */
-#define SIEMENS_VENDOR_ID 0x0681
-#define CINTERION_VENDOR_ID 0x1e2d
+/* Gemalto's Cinterion products (formerly Siemens) */
+#define SIEMENS_VENDOR_ID 0x0681
+#define CINTERION_VENDOR_ID 0x1e2d
+#define CINTERION_PRODUCT_HC25_MDMNET 0x0040
#define CINTERION_PRODUCT_HC25_MDM 0x0047
-#define CINTERION_PRODUCT_HC25_MDMNET 0x0040
+#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */
#define CINTERION_PRODUCT_HC28_MDM 0x004C
-#define CINTERION_PRODUCT_HC28_MDMNET 0x004A /* same for HC28J */
#define CINTERION_PRODUCT_EU3_E 0x0051
#define CINTERION_PRODUCT_EU3_P 0x0052
#define CINTERION_PRODUCT_PH8 0x0053
#define CINTERION_PRODUCT_AHXX 0x0055
#define CINTERION_PRODUCT_PLXX 0x0060
+#define CINTERION_PRODUCT_PH8_2RMNET 0x0082
+#define CINTERION_PRODUCT_PH8_AUDIO 0x0083
+#define CINTERION_PRODUCT_AHXX_2RMNET 0x0084
+#define CINTERION_PRODUCT_AHXX_AUDIO 0x0085
/* Olivetti products */
#define OLIVETTI_VENDOR_ID 0x0b3c
@@ -633,6 +637,10 @@ static const struct option_blacklist_info telit_le922_blacklist_usbcfg3 = {
.reserved = BIT(1) | BIT(2) | BIT(3),
};
+static const struct option_blacklist_info cinterion_rmnet2_blacklist = {
+ .reserved = BIT(4) | BIT(5),
+};
+
static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -1602,7 +1610,79 @@ static const struct usb_device_id option_ids[] = {
.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff),
.driver_info = (kernel_ulong_t)&net_intf3_blacklist },
- { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffe9, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff42, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff43, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff44, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff45, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff46, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff47, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff48, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff49, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4a, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4b, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4c, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4d, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4e, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff4f, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff50, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff51, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff52, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff53, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff54, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff55, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff56, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff57, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff58, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff59, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5a, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5b, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5c, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5d, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5e, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff5f, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff60, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff61, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff62, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff63, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff64, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff65, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff66, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff67, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff68, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff69, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6a, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6b, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6c, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6d, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6e, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff6f, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff70, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff71, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff72, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff73, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff74, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff75, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff76, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff77, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff78, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff79, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7a, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7b, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7c, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7d, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7e, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff7f, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff80, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff81, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff82, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff83, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff84, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff85, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff86, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff87, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff88, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff89, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8a, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8b, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8c, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff8d, 0xff, 0xff, 0xff) },
@@ -1613,6 +1693,61 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff92, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff93, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff94, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff9f, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa0, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa1, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa2, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa3, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa4, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa5, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa6, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa7, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa8, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffa9, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffaa, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffab, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffac, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffae, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffaf, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb0, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb1, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb2, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb3, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb4, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb5, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb6, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb7, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb8, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffb9, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffba, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbb, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbc, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbd, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbe, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffbf, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc0, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc1, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc2, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc3, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc4, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc5, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc6, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc7, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc8, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffc9, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffca, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcb, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcc, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcd, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffce, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffcf, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd0, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd1, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd2, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd3, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd4, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffd5, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffe9, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffec, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xffee, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xfff6, 0xff, 0xff, 0xff) },
@@ -1712,7 +1847,13 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX, 0xff) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PLXX),
.driver_info = (kernel_ulong_t)&net_intf4_blacklist },
- { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_2RMNET, 0xff),
+ .driver_info = (kernel_ulong_t)&cinterion_rmnet2_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_PH8_AUDIO, 0xff),
+ .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_2RMNET, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(CINTERION_VENDOR_ID, CINTERION_PRODUCT_AHXX_AUDIO, 0xff) },
+ { USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDM) },
{ USB_DEVICE(CINTERION_VENDOR_ID, CINTERION_PRODUCT_HC28_MDMNET) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDM) },
{ USB_DEVICE(SIEMENS_VENDOR_ID, CINTERION_PRODUCT_HC25_MDMNET) },
diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c
index 504f5bff79c0..b18974cbd995 100644
--- a/drivers/usb/serial/quatech2.c
+++ b/drivers/usb/serial/quatech2.c
@@ -141,6 +141,7 @@ static void qt2_release(struct usb_serial *serial)
serial_priv = usb_get_serial_data(serial);
+ usb_kill_urb(serial_priv->read_urb);
usb_free_urb(serial_priv->read_urb);
kfree(serial_priv->read_buffer);
kfree(serial_priv);
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 6467b91f2245..028618c5eeba 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -73,6 +73,13 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started."
/*
* Some TCO specific functions
*/
+
+static bool tco_has_sp5100_reg_layout(struct pci_dev *dev)
+{
+ return dev->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&
+ dev->revision < 0x40;
+}
+
static void tco_timer_start(void)
{
u32 val;
@@ -129,7 +136,7 @@ static void tco_timer_enable(void)
{
int val;
- if (sp5100_tco_pci->revision >= 0x40) {
+ if (!tco_has_sp5100_reg_layout(sp5100_tco_pci)) {
/* For SB800 or later */
/* Set the Watchdog timer resolution to 1 sec */
outb(SB800_PM_WATCHDOG_CONFIG, SB800_IO_PM_INDEX_REG);
@@ -342,8 +349,7 @@ static unsigned char sp5100_tco_setupdevice(void)
/*
* Determine type of southbridge chipset.
*/
- if (sp5100_tco_pci->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&
- sp5100_tco_pci->revision < 0x40) {
+ if (tco_has_sp5100_reg_layout(sp5100_tco_pci)) {
dev_name = SP5100_DEVNAME;
index_reg = SP5100_IO_PM_INDEX_REG;
data_reg = SP5100_IO_PM_DATA_REG;
@@ -388,8 +394,7 @@ static unsigned char sp5100_tco_setupdevice(void)
* Secondly, Find the watchdog timer MMIO address
* from SBResource_MMIO register.
*/
- if (sp5100_tco_pci->device == PCI_DEVICE_ID_ATI_SBX00_SMBUS &&
- sp5100_tco_pci->revision < 0x40) {
+ if (tco_has_sp5100_reg_layout(sp5100_tco_pci)) {
/* Read SBResource_MMIO from PCI config(PCI_Reg: 9Ch) */
pci_read_config_dword(sp5100_tco_pci,
SP5100_SB_RESOURCE_MMIO_BASE, &val);
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 59727e32ed0f..af0ec2d5ad0e 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -400,19 +400,27 @@ int build_ntlmssp_auth_blob(unsigned char *pbuffer,
sec_blob->LmChallengeResponse.MaximumLength = 0;
sec_blob->NtChallengeResponse.BufferOffset = cpu_to_le32(tmp - pbuffer);
- rc = setup_ntlmv2_rsp(ses, nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
- goto setup_ntlmv2_ret;
+ if (ses->user_name != NULL) {
+ rc = setup_ntlmv2_rsp(ses, nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMSSP authentication\n", rc);
+ goto setup_ntlmv2_ret;
+ }
+ memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
+
+ sec_blob->NtChallengeResponse.Length =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ sec_blob->NtChallengeResponse.MaximumLength =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ } else {
+ /*
+ * don't send an NT Response for anonymous access
+ */
+ sec_blob->NtChallengeResponse.Length = 0;
+ sec_blob->NtChallengeResponse.MaximumLength = 0;
}
- memcpy(tmp, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- tmp += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
-
- sec_blob->NtChallengeResponse.Length =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- sec_blob->NtChallengeResponse.MaximumLength =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
if (ses->domainName == NULL) {
sec_blob->DomainName.BufferOffset = cpu_to_le32(tmp - pbuffer);
@@ -670,20 +678,24 @@ sess_auth_lanman(struct sess_data *sess_data)
pSMB->req.hdr.Flags2 &= ~SMBFLG2_UNICODE;
- /* no capabilities flags in old lanman negotiation */
- pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
-
- /* Calculate hash with password and copy into bcc_ptr.
- * Encryption Key (stored as in cryptkey) gets used if the
- * security mode bit in Negottiate Protocol response states
- * to use challenge/response method (i.e. Password bit is 1).
- */
- rc = calc_lanman_hash(ses->password, ses->server->cryptkey,
- ses->server->sec_mode & SECMODE_PW_ENCRYPT ?
- true : false, lnm_session_key);
-
- memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ if (ses->user_name != NULL) {
+ /* no capabilities flags in old lanman negotiation */
+ pSMB->old_req.PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+
+ /* Calculate hash with password and copy into bcc_ptr.
+ * Encryption Key (stored as in cryptkey) gets used if the
+ * security mode bit in Negottiate Protocol response states
+ * to use challenge/response method (i.e. Password bit is 1).
+ */
+ rc = calc_lanman_hash(ses->password, ses->server->cryptkey,
+ ses->server->sec_mode & SECMODE_PW_ENCRYPT ?
+ true : false, lnm_session_key);
+
+ memcpy(bcc_ptr, (char *)lnm_session_key, CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ } else {
+ pSMB->old_req.PasswordLength = 0;
+ }
/*
* can not sign if LANMAN negotiated so no need
@@ -769,26 +781,31 @@ sess_auth_ntlm(struct sess_data *sess_data)
capabilities = cifs_ssetup_hdr(ses, pSMB);
pSMB->req_no_secext.Capabilities = cpu_to_le32(capabilities);
- pSMB->req_no_secext.CaseInsensitivePasswordLength =
- cpu_to_le16(CIFS_AUTH_RESP_SIZE);
- pSMB->req_no_secext.CaseSensitivePasswordLength =
- cpu_to_le16(CIFS_AUTH_RESP_SIZE);
-
- /* calculate ntlm response and session key */
- rc = setup_ntlm_response(ses, sess_data->nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLM authentication\n",
- rc);
- goto out;
- }
+ if (ses->user_name != NULL) {
+ pSMB->req_no_secext.CaseInsensitivePasswordLength =
+ cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+ pSMB->req_no_secext.CaseSensitivePasswordLength =
+ cpu_to_le16(CIFS_AUTH_RESP_SIZE);
+
+ /* calculate ntlm response and session key */
+ rc = setup_ntlm_response(ses, sess_data->nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLM authentication\n",
+ rc);
+ goto out;
+ }
- /* copy ntlm response */
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- CIFS_AUTH_RESP_SIZE);
- bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ /* copy ntlm response */
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ CIFS_AUTH_RESP_SIZE);
+ bcc_ptr += CIFS_AUTH_RESP_SIZE;
+ } else {
+ pSMB->req_no_secext.CaseInsensitivePasswordLength = 0;
+ pSMB->req_no_secext.CaseSensitivePasswordLength = 0;
+ }
if (ses->capabilities & CAP_UNICODE) {
/* unicode strings must be word aligned */
@@ -878,22 +895,26 @@ sess_auth_ntlmv2(struct sess_data *sess_data)
/* LM2 password would be here if we supported it */
pSMB->req_no_secext.CaseInsensitivePasswordLength = 0;
- /* calculate nlmv2 response and session key */
- rc = setup_ntlmv2_rsp(ses, sess_data->nls_cp);
- if (rc) {
- cifs_dbg(VFS, "Error %d during NTLMv2 authentication\n", rc);
- goto out;
- }
+ if (ses->user_name != NULL) {
+ /* calculate nlmv2 response and session key */
+ rc = setup_ntlmv2_rsp(ses, sess_data->nls_cp);
+ if (rc) {
+ cifs_dbg(VFS, "Error %d during NTLMv2 authentication\n", rc);
+ goto out;
+ }
- memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
- ses->auth_key.len - CIFS_SESS_KEY_SIZE);
- bcc_ptr += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
+ memcpy(bcc_ptr, ses->auth_key.response + CIFS_SESS_KEY_SIZE,
+ ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ bcc_ptr += ses->auth_key.len - CIFS_SESS_KEY_SIZE;
- /* set case sensitive password length after tilen may get
- * assigned, tilen is 0 otherwise.
- */
- pSMB->req_no_secext.CaseSensitivePasswordLength =
- cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ /* set case sensitive password length after tilen may get
+ * assigned, tilen is 0 otherwise.
+ */
+ pSMB->req_no_secext.CaseSensitivePasswordLength =
+ cpu_to_le16(ses->auth_key.len - CIFS_SESS_KEY_SIZE);
+ } else {
+ pSMB->req_no_secext.CaseSensitivePasswordLength = 0;
+ }
if (ses->capabilities & CAP_UNICODE) {
if (sess_data->iov[0].iov_len % 2) {
diff --git a/fs/cifs/smb2glob.h b/fs/cifs/smb2glob.h
index bc0bb9c34f72..0ffa18094335 100644
--- a/fs/cifs/smb2glob.h
+++ b/fs/cifs/smb2glob.h
@@ -44,6 +44,7 @@
#define SMB2_OP_DELETE 7
#define SMB2_OP_HARDLINK 8
#define SMB2_OP_SET_EOF 9
+#define SMB2_OP_RMDIR 10
/* Used when constructing chained read requests. */
#define CHAINED_REQUEST 1
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 899bbc86f73e..4f0231e685a9 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -80,6 +80,10 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
* SMB2_open() call.
*/
break;
+ case SMB2_OP_RMDIR:
+ tmprc = SMB2_rmdir(xid, tcon, fid.persistent_fid,
+ fid.volatile_fid);
+ break;
case SMB2_OP_RENAME:
tmprc = SMB2_rename(xid, tcon, fid.persistent_fid,
fid.volatile_fid, (__le16 *)data);
@@ -191,8 +195,8 @@ smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, const char *name,
struct cifs_sb_info *cifs_sb)
{
return smb2_open_op_close(xid, tcon, cifs_sb, name, DELETE, FILE_OPEN,
- CREATE_NOT_FILE | CREATE_DELETE_ON_CLOSE,
- NULL, SMB2_OP_DELETE);
+ CREATE_NOT_FILE,
+ NULL, SMB2_OP_RMDIR);
}
int
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 42e1f440eb1e..8f38e33d365b 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2575,6 +2575,22 @@ SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
}
int
+SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid)
+{
+ __u8 delete_pending = 1;
+ void *data;
+ unsigned int size;
+
+ data = &delete_pending;
+ size = 1; /* sizeof __u8 */
+
+ return send_set_info(xid, tcon, persistent_fid, volatile_fid,
+ current->tgid, FILE_DISPOSITION_INFORMATION, 1, &data,
+ &size);
+}
+
+int
SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid, __le16 *target_file)
{
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 4f07dc93608d..eb2cde2f64ba 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -141,6 +141,8 @@ extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
__le16 *target_file);
+extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid);
extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
__le16 *target_file);
diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c
index 458cf463047b..82067ca22f2b 100644
--- a/fs/hpfs/super.c
+++ b/fs/hpfs/super.c
@@ -15,6 +15,7 @@
#include <linux/sched.h>
#include <linux/bitmap.h>
#include <linux/slab.h>
+#include <linux/seq_file.h>
/* Mark the filesystem dirty, so that chkdsk checks it when os/2 booted */
@@ -453,10 +454,6 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
int lowercase, eas, chk, errs, chkdsk, timeshift;
int o;
struct hpfs_sb_info *sbi = hpfs_sb(s);
- char *new_opts = kstrdup(data, GFP_KERNEL);
-
- if (!new_opts)
- return -ENOMEM;
sync_filesystem(s);
@@ -493,17 +490,44 @@ static int hpfs_remount_fs(struct super_block *s, int *flags, char *data)
if (!(*flags & MS_RDONLY)) mark_dirty(s, 1);
- replace_mount_options(s, new_opts);
-
hpfs_unlock(s);
return 0;
out_err:
hpfs_unlock(s);
- kfree(new_opts);
return -EINVAL;
}
+static int hpfs_show_options(struct seq_file *seq, struct dentry *root)
+{
+ struct hpfs_sb_info *sbi = hpfs_sb(root->d_sb);
+
+ seq_printf(seq, ",uid=%u", from_kuid_munged(&init_user_ns, sbi->sb_uid));
+ seq_printf(seq, ",gid=%u", from_kgid_munged(&init_user_ns, sbi->sb_gid));
+ seq_printf(seq, ",umask=%03o", (~sbi->sb_mode & 0777));
+ if (sbi->sb_lowercase)
+ seq_printf(seq, ",case=lower");
+ if (!sbi->sb_chk)
+ seq_printf(seq, ",check=none");
+ if (sbi->sb_chk == 2)
+ seq_printf(seq, ",check=strict");
+ if (!sbi->sb_err)
+ seq_printf(seq, ",errors=continue");
+ if (sbi->sb_err == 2)
+ seq_printf(seq, ",errors=panic");
+ if (!sbi->sb_chkdsk)
+ seq_printf(seq, ",chkdsk=no");
+ if (sbi->sb_chkdsk == 2)
+ seq_printf(seq, ",chkdsk=always");
+ if (!sbi->sb_eas)
+ seq_printf(seq, ",eas=no");
+ if (sbi->sb_eas == 1)
+ seq_printf(seq, ",eas=ro");
+ if (sbi->sb_timeshift)
+ seq_printf(seq, ",timeshift=%d", sbi->sb_timeshift);
+ return 0;
+}
+
/* Super operations */
static const struct super_operations hpfs_sops =
@@ -514,7 +538,7 @@ static const struct super_operations hpfs_sops =
.put_super = hpfs_put_super,
.statfs = hpfs_statfs,
.remount_fs = hpfs_remount_fs,
- .show_options = generic_show_options,
+ .show_options = hpfs_show_options,
};
static int hpfs_fill_super(struct super_block *s, void *options, int silent)
@@ -537,8 +561,6 @@ static int hpfs_fill_super(struct super_block *s, void *options, int silent)
int o;
- save_mount_options(s, options);
-
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi) {
return -ENOMEM;
diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h
index 39e1cb201b8e..332da3ad8eb5 100644
--- a/include/asm-generic/qspinlock.h
+++ b/include/asm-generic/qspinlock.h
@@ -28,7 +28,30 @@
*/
static __always_inline int queued_spin_is_locked(struct qspinlock *lock)
{
- return atomic_read(&lock->val);
+ /*
+ * queued_spin_lock_slowpath() can ACQUIRE the lock before
+ * issuing the unordered store that sets _Q_LOCKED_VAL.
+ *
+ * See both smp_cond_acquire() sites for more detail.
+ *
+ * This however means that in code like:
+ *
+ * spin_lock(A) spin_lock(B)
+ * spin_unlock_wait(B) spin_is_locked(A)
+ * do_something() do_something()
+ *
+ * Both CPUs can end up running do_something() because the store
+ * setting _Q_LOCKED_VAL will pass through the loads in
+ * spin_unlock_wait() and/or spin_is_locked().
+ *
+ * Avoid this by issuing a full memory barrier between the spin_lock()
+ * and the loads in spin_unlock_wait() and spin_is_locked().
+ *
+ * Note that regular mutual exclusion doesn't care about this
+ * delayed store.
+ */
+ smp_mb();
+ return atomic_read(&lock->val) & _Q_LOCKED_MASK;
}
/**
@@ -108,6 +131,8 @@ static __always_inline void queued_spin_unlock(struct qspinlock *lock)
*/
static inline void queued_spin_unlock_wait(struct qspinlock *lock)
{
+ /* See queued_spin_is_locked() */
+ smp_mb();
while (atomic_read(&lock->val) & _Q_LOCKED_MASK)
cpu_relax();
}
diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index 3d1a3af5cf59..a2508a8f9a9c 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -17,21 +17,6 @@
struct siginfo;
void do_schedule_next_timer(struct siginfo *info);
-#ifndef HAVE_ARCH_COPY_SIGINFO
-
-#include <linux/string.h>
-
-static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
-{
- if (from->si_code < 0)
- memcpy(to, from, sizeof(*to));
- else
- /* _sigchld is currently the largest know union member */
- memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
-}
-
-#endif
-
extern int copy_siginfo_to_user(struct siginfo __user *to, const struct siginfo *from);
#endif
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 735f9f8c4e43..5261751f6bd4 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -40,8 +40,11 @@ struct can_priv {
struct can_clock clock;
enum can_state state;
- u32 ctrlmode;
- u32 ctrlmode_supported;
+
+ /* CAN controller features - see include/uapi/linux/can/netlink.h */
+ u32 ctrlmode; /* current options setting */
+ u32 ctrlmode_supported; /* options that can be modified by netlink */
+ u32 ctrlmode_static; /* static enabled options for driver/hardware */
int restart_ms;
struct timer_list restart_timer;
@@ -108,6 +111,21 @@ static inline bool can_is_canfd_skb(const struct sk_buff *skb)
return skb->len == CANFD_MTU;
}
+/* helper to define static CAN controller features at device creation time */
+static inline void can_set_static_ctrlmode(struct net_device *dev,
+ u32 static_mode)
+{
+ struct can_priv *priv = netdev_priv(dev);
+
+ /* alloc_candev() succeeded => netdev_priv() is valid at this point */
+ priv->ctrlmode = static_mode;
+ priv->ctrlmode_static = static_mode;
+
+ /* override MTU which was set by default in can_setup()? */
+ if (static_mode & CAN_CTRLMODE_FD)
+ dev->mtu = CANFD_MTU;
+}
+
/* get data length from can_dlc with sanitized can_dlc */
u8 can_dlc2len(u8 can_dlc);
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 92557bbce7e7..d80259afb9e5 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -28,6 +28,21 @@ struct sigpending {
sigset_t signal;
};
+#ifndef HAVE_ARCH_COPY_SIGINFO
+
+#include <linux/string.h>
+
+static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
+{
+ if (from->si_code < 0)
+ memcpy(to, from, sizeof(*to));
+ else
+ /* _sigchld is currently the largest know union member */
+ memcpy(to, from, __ARCH_SI_PREAMBLE_SIZE + sizeof(from->_sifields._sigchld));
+}
+
+#endif
+
/*
* Define some primitives to manipulate sigset_t.
*/
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 19199c26783f..e5b996d887ce 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -338,7 +338,6 @@ struct tty_file_private {
#define TTY_EXCLUSIVE 3 /* Exclusive open mode */
#define TTY_DEBUG 4 /* Debugging */
#define TTY_DO_WRITE_WAKEUP 5 /* Call write_wakeup after queuing new */
-#define TTY_OTHER_DONE 6 /* Closed pty has completed input processing */
#define TTY_LDISC_OPEN 11 /* Line discipline is open */
#define TTY_PTY_LOCK 16 /* pty private */
#define TTY_NO_WRITE_SPLIT 17 /* Preserve write boundaries to driver */
@@ -464,6 +463,7 @@ extern void tty_buffer_init(struct tty_port *port);
extern void tty_buffer_set_lock_subclass(struct tty_port *port);
extern bool tty_buffer_restart_work(struct tty_port *port);
extern bool tty_buffer_cancel_work(struct tty_port *port);
+extern void tty_buffer_flush_work(struct tty_port *port);
extern speed_t tty_termios_baud_rate(struct ktermios *termios);
extern speed_t tty_termios_input_baud_rate(struct ktermios *termios);
extern void tty_termios_encode_baud_rate(struct ktermios *termios,
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 89533ba38691..f3dbc217ff41 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -1066,7 +1066,7 @@ struct usbdrv_wrap {
* for interfaces bound to this driver.
* @soft_unbind: if set to 1, the USB core will not kill URBs and disable
* endpoints before calling the driver's disconnect method.
- * @disable_hub_initiated_lpm: if set to 0, the USB core will not allow hubs
+ * @disable_hub_initiated_lpm: if set to 1, the USB core will not allow hubs
* to initiate lower power link state transitions when an idle timeout
* occurs. Device-initiated USB 3.0 link PM will still be allowed.
*
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index ba93c0f69870..a5d31f794cac 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -240,6 +240,7 @@ scmd_printk(const char *, const struct scsi_cmnd *, const char *, ...);
enum scsi_target_state {
STARGET_CREATED = 1,
STARGET_RUNNING,
+ STARGET_REMOVE,
STARGET_DEL,
};
diff --git a/kernel/events/core.c b/kernel/events/core.c
index a0ef98b258d7..477fb6b8ca20 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1090,6 +1090,7 @@ static void put_ctx(struct perf_event_context *ctx)
* function.
*
* Lock order:
+ * cred_guard_mutex
* task_struct::perf_event_mutex
* perf_event_context::mutex
* perf_event::child_mutex;
@@ -3415,7 +3416,6 @@ static struct task_struct *
find_lively_task_by_vpid(pid_t vpid)
{
struct task_struct *task;
- int err;
rcu_read_lock();
if (!vpid)
@@ -3429,16 +3429,7 @@ find_lively_task_by_vpid(pid_t vpid)
if (!task)
return ERR_PTR(-ESRCH);
- /* Reuse ptrace permission checks for now. */
- err = -EACCES;
- if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
- goto errout;
-
return task;
-errout:
- put_task_struct(task);
- return ERR_PTR(err);
-
}
/*
@@ -8360,6 +8351,24 @@ SYSCALL_DEFINE5(perf_event_open,
get_online_cpus();
+ if (task) {
+ err = mutex_lock_interruptible(&task->signal->cred_guard_mutex);
+ if (err)
+ goto err_cpus;
+
+ /*
+ * Reuse ptrace permission checks for now.
+ *
+ * We must hold cred_guard_mutex across this and any potential
+ * perf_install_in_context() call for this new event to
+ * serialize against exec() altering our credentials (and the
+ * perf_event_exit_task() that could imply).
+ */
+ err = -EACCES;
+ if (!ptrace_may_access(task, PTRACE_MODE_READ_REALCREDS))
+ goto err_cred;
+ }
+
if (flags & PERF_FLAG_PID_CGROUP)
cgroup_fd = pid;
@@ -8367,7 +8376,7 @@ SYSCALL_DEFINE5(perf_event_open,
NULL, NULL, cgroup_fd);
if (IS_ERR(event)) {
err = PTR_ERR(event);
- goto err_cpus;
+ goto err_cred;
}
if (is_sampling_event(event)) {
@@ -8426,11 +8435,6 @@ SYSCALL_DEFINE5(perf_event_open,
goto err_context;
}
- if (task) {
- put_task_struct(task);
- task = NULL;
- }
-
/*
* Look up the group leader (we will attach this event to it):
*/
@@ -8528,6 +8532,11 @@ SYSCALL_DEFINE5(perf_event_open,
WARN_ON_ONCE(ctx->parent_ctx);
+ /*
+ * This is the point on no return; we cannot fail hereafter. This is
+ * where we start modifying current state.
+ */
+
if (move_group) {
/*
* See perf_event_ctx_lock() for comments on the details
@@ -8599,6 +8608,11 @@ SYSCALL_DEFINE5(perf_event_open,
mutex_unlock(&gctx->mutex);
mutex_unlock(&ctx->mutex);
+ if (task) {
+ mutex_unlock(&task->signal->cred_guard_mutex);
+ put_task_struct(task);
+ }
+
put_online_cpus();
mutex_lock(¤t->perf_event_mutex);
@@ -8631,6 +8645,9 @@ err_alloc:
*/
if (!event_file)
free_event(event);
+err_cred:
+ if (task)
+ mutex_unlock(&task->signal->cred_guard_mutex);
err_cpus:
put_online_cpus();
err_task:
@@ -8915,6 +8932,9 @@ static void perf_event_exit_task_context(struct task_struct *child, int ctxn)
/*
* When a child task exits, feed back event values to parent events.
+ *
+ * Can be called with cred_guard_mutex held when called from
+ * install_exec_creds().
*/
void perf_event_exit_task(struct task_struct *child)
{
diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c
index ef7159012cf3..b0b93fd33af9 100644
--- a/kernel/sched/loadavg.c
+++ b/kernel/sched/loadavg.c
@@ -99,10 +99,13 @@ long calc_load_fold_active(struct rq *this_rq)
static unsigned long
calc_load(unsigned long load, unsigned long exp, unsigned long active)
{
- load *= exp;
- load += active * (FIXED_1 - exp);
- load += 1UL << (FSHIFT - 1);
- return load >> FSHIFT;
+ unsigned long newload;
+
+ newload = load * exp + active * (FIXED_1 - exp);
+ if (active >= load)
+ newload += FIXED_1-1;
+
+ return newload / FIXED_1;
}
#ifdef CONFIG_NO_HZ_COMMON
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 95181e36891a..9c143739b8d7 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -437,7 +437,7 @@ struct ring_buffer_per_cpu {
raw_spinlock_t reader_lock; /* serialize readers */
arch_spinlock_t lock;
struct lock_class_key lock_key;
- unsigned int nr_pages;
+ unsigned long nr_pages;
unsigned int current_context;
struct list_head *pages;
struct buffer_page *head_page; /* read from head */
@@ -458,7 +458,7 @@ struct ring_buffer_per_cpu {
u64 write_stamp;
u64 read_stamp;
/* ring buffer pages to update, > 0 to add, < 0 to remove */
- int nr_pages_to_update;
+ long nr_pages_to_update;
struct list_head new_pages; /* new pages to add */
struct work_struct update_pages_work;
struct completion update_done;
@@ -1128,10 +1128,10 @@ static int rb_check_pages(struct ring_buffer_per_cpu *cpu_buffer)
return 0;
}
-static int __rb_allocate_pages(int nr_pages, struct list_head *pages, int cpu)
+static int __rb_allocate_pages(long nr_pages, struct list_head *pages, int cpu)
{
- int i;
struct buffer_page *bpage, *tmp;
+ long i;
for (i = 0; i < nr_pages; i++) {
struct page *page;
@@ -1168,7 +1168,7 @@ free_pages:
}
static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
- unsigned nr_pages)
+ unsigned long nr_pages)
{
LIST_HEAD(pages);
@@ -1193,7 +1193,7 @@ static int rb_allocate_pages(struct ring_buffer_per_cpu *cpu_buffer,
}
static struct ring_buffer_per_cpu *
-rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu)
+rb_allocate_cpu_buffer(struct ring_buffer *buffer, long nr_pages, int cpu)
{
struct ring_buffer_per_cpu *cpu_buffer;
struct buffer_page *bpage;
@@ -1293,8 +1293,9 @@ struct ring_buffer *__ring_buffer_alloc(unsigned long size, unsigned flags,
struct lock_class_key *key)
{
struct ring_buffer *buffer;
+ long nr_pages;
int bsize;
- int cpu, nr_pages;
+ int cpu;
/* keep it in its own cache line */
buffer = kzalloc(ALIGN(sizeof(*buffer), cache_line_size()),
@@ -1420,12 +1421,12 @@ static inline unsigned long rb_page_write(struct buffer_page *bpage)
}
static int
-rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages)
+rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned long nr_pages)
{
struct list_head *tail_page, *to_remove, *next_page;
struct buffer_page *to_remove_page, *tmp_iter_page;
struct buffer_page *last_page, *first_page;
- unsigned int nr_removed;
+ unsigned long nr_removed;
unsigned long head_bit;
int page_entries;
@@ -1642,7 +1643,7 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
int cpu_id)
{
struct ring_buffer_per_cpu *cpu_buffer;
- unsigned nr_pages;
+ unsigned long nr_pages;
int cpu, err = 0;
/*
@@ -1656,14 +1657,13 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size,
!cpumask_test_cpu(cpu_id, buffer->cpumask))
return size;
- size = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
- size *= BUF_PAGE_SIZE;
+ nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
/* we need a minimum of two pages */
- if (size < BUF_PAGE_SIZE * 2)
- size = BUF_PAGE_SIZE * 2;
+ if (nr_pages < 2)
+ nr_pages = 2;
- nr_pages = DIV_ROUND_UP(size, BUF_PAGE_SIZE);
+ size = nr_pages * BUF_PAGE_SIZE;
/*
* Don't succeed if resizing is disabled, as a reader might be
@@ -4640,8 +4640,9 @@ static int rb_cpu_notify(struct notifier_block *self,
struct ring_buffer *buffer =
container_of(self, struct ring_buffer, cpu_notify);
long cpu = (long)hcpu;
- int cpu_i, nr_pages_same;
- unsigned int nr_pages;
+ long nr_pages_same;
+ int cpu_i;
+ unsigned long nr_pages;
switch (action) {
case CPU_UP_PREPARE:
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index f9e47a70509c..53449a6ff6aa 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -24,6 +24,7 @@ warning-1 += $(call cc-option, -Wmissing-prototypes)
warning-1 += -Wold-style-definition
warning-1 += $(call cc-option, -Wmissing-include-dirs)
warning-1 += $(call cc-option, -Wunused-but-set-variable)
+warning-1 += $(call cc-option, -Wunused-const-variable)
warning-1 += $(call cc-disable-warning, missing-field-initializers)
warning-1 += $(call cc-disable-warning, sign-compare)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4918ffa5ba68..d53c25e7a1c1 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -335,6 +335,7 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
case 0x10ec0283:
case 0x10ec0286:
case 0x10ec0288:
+ case 0x10ec0295:
case 0x10ec0298:
alc_update_coef_idx(codec, 0x10, 1<<9, 0);
break;
@@ -342,6 +343,11 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
case 0x10ec0293:
alc_update_coef_idx(codec, 0xa, 1<<13, 0);
break;
+ case 0x10ec0234:
+ case 0x10ec0274:
+ case 0x10ec0294:
+ alc_update_coef_idx(codec, 0x10, 1<<15, 0);
+ break;
case 0x10ec0662:
if ((coef & 0x00f0) == 0x0030)
alc_update_coef_idx(codec, 0x4, 1<<10, 0); /* EAPD Ctrl */
@@ -902,6 +908,7 @@ static struct alc_codec_rename_pci_table rename_pci_tbl[] = {
{ 0x10ec0298, 0x1028, 0, "ALC3266" },
{ 0x10ec0256, 0x1028, 0, "ALC3246" },
{ 0x10ec0225, 0x1028, 0, "ALC3253" },
+ { 0x10ec0295, 0x1028, 0, "ALC3254" },
{ 0x10ec0670, 0x1025, 0, "ALC669X" },
{ 0x10ec0676, 0x1025, 0, "ALC679X" },
{ 0x10ec0282, 0x1043, 0, "ALC3229" },
@@ -2647,6 +2654,7 @@ enum {
ALC269_TYPE_ALC255,
ALC269_TYPE_ALC256,
ALC269_TYPE_ALC225,
+ ALC269_TYPE_ALC294,
};
/*
@@ -2677,6 +2685,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec)
case ALC269_TYPE_ALC255:
case ALC269_TYPE_ALC256:
case ALC269_TYPE_ALC225:
+ case ALC269_TYPE_ALC294:
ssids = alc269_ssids;
break;
default:
@@ -3690,6 +3699,7 @@ static void alc_headset_mode_unplugged(struct hda_codec *codec)
alc_process_coef_fw(codec, coef0668);
break;
case 0x10ec0225:
+ case 0x10ec0295:
alc_process_coef_fw(codec, coef0225);
break;
}
@@ -3790,6 +3800,7 @@ static void alc_headset_mode_mic_in(struct hda_codec *codec, hda_nid_t hp_pin,
snd_hda_set_pin_ctl_cache(codec, mic_pin, PIN_VREF50);
break;
case 0x10ec0225:
+ case 0x10ec0295:
alc_update_coef_idx(codec, 0x45, 0x3f<<10, 0x31<<10);
snd_hda_set_pin_ctl_cache(codec, hp_pin, 0);
alc_process_coef_fw(codec, coef0225);
@@ -3847,6 +3858,7 @@ static void alc_headset_mode_default(struct hda_codec *codec)
switch (codec->core.vendor_id) {
case 0x10ec0225:
+ case 0x10ec0295:
alc_process_coef_fw(codec, coef0225);
break;
case 0x10ec0255:
@@ -3950,6 +3962,7 @@ static void alc_headset_mode_ctia(struct hda_codec *codec)
alc_process_coef_fw(codec, coef0688);
break;
case 0x10ec0225:
+ case 0x10ec0295:
alc_process_coef_fw(codec, coef0225);
break;
}
@@ -4031,6 +4044,7 @@ static void alc_headset_mode_omtp(struct hda_codec *codec)
alc_process_coef_fw(codec, coef0688);
break;
case 0x10ec0225:
+ case 0x10ec0295:
alc_process_coef_fw(codec, coef0225);
break;
}
@@ -4114,6 +4128,7 @@ static void alc_determine_headset_type(struct hda_codec *codec)
is_ctia = (val & 0x1c02) == 0x1c02;
break;
case 0x10ec0225:
+ case 0x10ec0295:
alc_process_coef_fw(codec, coef0225);
msleep(800);
val = alc_read_coef_idx(codec, 0x46);
@@ -5459,8 +5474,9 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x06de, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
SND_PCI_QUIRK(0x1028, 0x06df, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
SND_PCI_QUIRK(0x1028, 0x06e0, "Dell", ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK),
- SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x0704, "Dell XPS 13 9350", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
SND_PCI_QUIRK(0x1028, 0x0725, "Dell Inspiron 3162", ALC255_FIXUP_DELL_SPK_NOISE),
+ SND_PCI_QUIRK(0x1028, 0x075b, "Dell XPS 13 9360", ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE),
SND_PCI_QUIRK(0x1028, 0x164a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x164b, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
@@ -5704,6 +5720,9 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
{0x14, 0x90170110},
{0x21, 0x02211020}),
SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+ {0x14, 0x90170130},
+ {0x21, 0x02211040}),
+ SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
{0x12, 0x90a60140},
{0x14, 0x90170110},
{0x21, 0x02211020}),
@@ -6026,8 +6045,14 @@ static int patch_alc269(struct hda_codec *codec)
alc_update_coef_idx(codec, 0x36, 1 << 13, 1 << 5); /* Switch pcbeep path to Line in path*/
break;
case 0x10ec0225:
+ case 0x10ec0295:
spec->codec_variant = ALC269_TYPE_ALC225;
break;
+ case 0x10ec0234:
+ case 0x10ec0274:
+ case 0x10ec0294:
+ spec->codec_variant = ALC269_TYPE_ALC294;
+ break;
}
if (snd_hda_codec_read(codec, 0x51, 0, AC_VERB_PARAMETERS, 0) == 0x10ec5505) {
@@ -6942,6 +6967,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0225, "ALC225", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0231, "ALC231", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0233, "ALC233", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0234, "ALC234", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0235, "ALC233", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0255, "ALC255", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0256, "ALC256", patch_alc269),
@@ -6952,6 +6978,7 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0269, "ALC269", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0270, "ALC270", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0272, "ALC272", patch_alc662),
+ HDA_CODEC_ENTRY(0x10ec0274, "ALC274", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0275, "ALC275", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0276, "ALC276", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0280, "ALC280", patch_alc269),
@@ -6964,6 +6991,8 @@ static const struct hda_device_id snd_hda_id_realtek[] = {
HDA_CODEC_ENTRY(0x10ec0290, "ALC290", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0292, "ALC292", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0293, "ALC293", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0294, "ALC294", patch_alc269),
+ HDA_CODEC_ENTRY(0x10ec0295, "ALC295", patch_alc269),
HDA_CODEC_ENTRY(0x10ec0298, "ALC298", patch_alc269),
HDA_CODEC_REV_ENTRY(0x10ec0861, 0x100340, "ALC660", patch_alc861),
HDA_CODEC_ENTRY(0x10ec0660, "ALC660-VD", patch_alc861vd),
prev parent reply other threads:[~2016-06-01 21:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-01 21:46 Linux 4.5.6 Greg KH
2016-06-01 21:47 ` Greg KH [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160601214701.GB19200@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=akpm@linux-foundation.org \
--cc=jslaby@suse.cz \
--cc=linux-kernel@vger.kernel.org \
--cc=lwn@lwn.net \
--cc=stable@vger.kernel.org \
--cc=torvalds@linux-foundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.