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SubjectRe: Linux 4.19.18
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 22b4b00dee31..06ac6dda9b34 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -496,7 +496,9 @@ manner. The codes are the following:

Note that there is no guarantee that every flag and associated mnemonic will
be present in all further kernel releases. Things get changed, the flags may
-be vanished or the reverse -- new added.
+be vanished or the reverse -- new added. Interpretation of their meaning
+might change in future as well. So each consumer of these flags has to
+follow each specific kernel version for the exact semantic.

This file is only present if the CONFIG_MMU kernel configuration option is
enabled.
diff --git a/Makefile b/Makefile
index 4b0bce87a36b..9f37a8a9feb9 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 17
+SUBLEVEL = 18
EXTRAVERSION =
NAME = "People's Front"

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 0bcc98dbba56..f90f5d83b228 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -378,27 +378,33 @@ alternative_endif
* size: size of the region
* Corrupts: kaddr, size, tmp1, tmp2
*/
+ .macro __dcache_op_workaround_clean_cache, op, kaddr
+alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
+ dc \op, \kaddr
+alternative_else
+ dc civac, \kaddr
+alternative_endif
+ .endm
+
.macro dcache_by_line_op op, domain, kaddr, size, tmp1, tmp2
dcache_line_size \tmp1, \tmp2
add \size, \kaddr, \size
sub \tmp2, \tmp1, #1
bic \kaddr, \kaddr, \tmp2
9998:
- .if (\op == cvau || \op == cvac)
-alternative_if_not ARM64_WORKAROUND_CLEAN_CACHE
- dc \op, \kaddr
-alternative_else
- dc civac, \kaddr
-alternative_endif
- .elseif (\op == cvap)
-alternative_if ARM64_HAS_DCPOP
- sys 3, c7, c12, 1, \kaddr // dc cvap
-alternative_else
- dc cvac, \kaddr
-alternative_endif
+ .ifc \op, cvau
+ __dcache_op_workaround_clean_cache \op, \kaddr
+ .else
+ .ifc \op, cvac
+ __dcache_op_workaround_clean_cache \op, \kaddr
+ .else
+ .ifc \op, cvap
+ sys 3, c7, c12, 1, \kaddr // dc cvap
.else
dc \op, \kaddr
.endif
+ .endif
+ .endif
add \kaddr, \kaddr, \tmp1
cmp \kaddr, \size
b.lo 9998b
diff --git a/arch/arm64/include/asm/memory.h b/arch/arm64/include/asm/memory.h
index b96442960aea..56562ff01076 100644
--- a/arch/arm64/include/asm/memory.h
+++ b/arch/arm64/include/asm/memory.h
@@ -76,12 +76,17 @@
/*
* KASAN requires 1/8th of the kernel virtual address space for the shadow
* region. KASAN can bloat the stack significantly, so double the (minimum)
- * stack size when KASAN is in use.
+ * stack size when KASAN is in use, and then double it again if KASAN_EXTRA is
+ * on.
*/
#ifdef CONFIG_KASAN
#define KASAN_SHADOW_SCALE_SHIFT 3
#define KASAN_SHADOW_SIZE (UL(1) << (VA_BITS - KASAN_SHADOW_SCALE_SHIFT))
+#ifdef CONFIG_KASAN_EXTRA
+#define KASAN_THREAD_SHIFT 2
+#else
#define KASAN_THREAD_SHIFT 1
+#endif /* CONFIG_KASAN_EXTRA */
#else
#define KASAN_SHADOW_SIZE (0)
#define KASAN_THREAD_SHIFT 0
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
index e213f8e867f6..8a91ac067d44 100644
--- a/arch/arm64/kernel/perf_event.c
+++ b/arch/arm64/kernel/perf_event.c
@@ -1274,6 +1274,7 @@ static struct platform_driver armv8_pmu_driver = {
.driver = {
.name = ARMV8_PMU_PDEV_NAME,
.of_match_table = armv8_pmu_of_device_ids,
+ .suppress_bind_attrs = true,
},
.probe = armv8_pmu_device_probe,
};
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index 0c22ede52f90..a194fd0e837f 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -212,6 +212,9 @@ ENDPROC(__dma_clean_area)
* - size - size in question
*/
ENTRY(__clean_dcache_area_pop)
+ alternative_if_not ARM64_HAS_DCPOP
+ b __clean_dcache_area_poc
+ alternative_else_nop_endif
dcache_by_line_op cvap, sy, x0, x1, x2, x3
ret
ENDPIPROC(__clean_dcache_area_pop)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 154b811d5894..201caf226b47 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -794,6 +794,7 @@ config SIBYTE_SWARM
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select ZONE_DMA32 if 64BIT
+ select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI

config SIBYTE_LITTLESUR
bool "Sibyte BCM91250C2-LittleSur"
@@ -814,6 +815,7 @@ config SIBYTE_SENTOSA
select SYS_HAS_CPU_SB1
select SYS_SUPPORTS_BIG_ENDIAN
select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI

config SIBYTE_BIGSUR
bool "Sibyte BCM91480B-BigSur"
@@ -826,6 +828,7 @@ config SIBYTE_BIGSUR
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select ZONE_DMA32 if 64BIT
+ select SWIOTLB if ARCH_DMA_ADDR_T_64BIT && PCI

config SNI_RM
bool "SNI RM200/300/400"
diff --git a/arch/mips/sibyte/common/Makefile b/arch/mips/sibyte/common/Makefile
index b3d6bf23a662..3ef3fb658136 100644
--- a/arch/mips/sibyte/common/Makefile
+++ b/arch/mips/sibyte/common/Makefile
@@ -1,4 +1,5 @@
obj-y := cfe.o
+obj-$(CONFIG_SWIOTLB) += dma.o
obj-$(CONFIG_SIBYTE_BUS_WATCHER) += bus_watcher.o
obj-$(CONFIG_SIBYTE_CFE_CONSOLE) += cfe_console.o
obj-$(CONFIG_SIBYTE_TBPROF) += sb_tbprof.o
diff --git a/arch/mips/sibyte/common/dma.c b/arch/mips/sibyte/common/dma.c
new file mode 100644
index 000000000000..eb47a94f3583
--- /dev/null
+++ b/arch/mips/sibyte/common/dma.c
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * DMA support for Broadcom SiByte platforms.
+ *
+ * Copyright (c) 2018 Maciej W. Rozycki
+ */
+
+#include <linux/swiotlb.h>
+#include <asm/bootinfo.h>
+
+void __init plat_swiotlb_setup(void)
+{
+ swiotlb_init(1);
+}
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 4264aedc7775..dd6badc31f45 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -75,6 +75,9 @@ static int xmon_gate;
#define xmon_owner 0
#endif /* CONFIG_SMP */

+#ifdef CONFIG_PPC_PSERIES
+static int set_indicator_token = RTAS_UNKNOWN_SERVICE;
+#endif
static unsigned long in_xmon __read_mostly = 0;
static int xmon_on = IS_ENABLED(CONFIG_XMON_DEFAULT);

@@ -358,7 +361,6 @@ static inline void disable_surveillance(void)
#ifdef CONFIG_PPC_PSERIES
/* Since this can't be a module, args should end up below 4GB. */
static struct rtas_args args;
- int token;

/*
* At this point we have got all the cpus we can into
@@ -367,11 +369,11 @@ static inline void disable_surveillance(void)
* If we did try to take rtas.lock there would be a
* real possibility of deadlock.
*/
- token = rtas_token("set-indicator");
- if (token == RTAS_UNKNOWN_SERVICE)
+ if (set_indicator_token == RTAS_UNKNOWN_SERVICE)
return;

- rtas_call_unlocked(&args, token, 3, 1, NULL, SURVEILLANCE_TOKEN, 0, 0);
+ rtas_call_unlocked(&args, set_indicator_token, 3, 1, NULL,
+ SURVEILLANCE_TOKEN, 0, 0);

#endif /* CONFIG_PPC_PSERIES */
}
@@ -3672,6 +3674,14 @@ static void xmon_init(int enable)
__debugger_iabr_match = xmon_iabr_match;
__debugger_break_match = xmon_break_match;
__debugger_fault_handler = xmon_fault_handler;
+
+#ifdef CONFIG_PPC_PSERIES
+ /*
+ * Get the token here to avoid trying to get a lock
+ * during the crash, causing a deadlock.
+ */
+ set_indicator_token = rtas_token("set-indicator");
+#endif
} else {
__debugger = NULL;
__debugger_ipi = NULL;
diff --git a/arch/x86/include/asm/traps.h b/arch/x86/include/asm/traps.h
index 3de69330e6c5..afbc87206886 100644
--- a/arch/x86/include/asm/traps.h
+++ b/arch/x86/include/asm/traps.h
@@ -104,9 +104,9 @@ extern int panic_on_unrecovered_nmi;

void math_emulate(struct math_emu_info *);
#ifndef CONFIG_X86_32
-asmlinkage void smp_thermal_interrupt(void);
-asmlinkage void smp_threshold_interrupt(void);
-asmlinkage void smp_deferred_error_interrupt(void);
+asmlinkage void smp_thermal_interrupt(struct pt_regs *regs);
+asmlinkage void smp_threshold_interrupt(struct pt_regs *regs);
+asmlinkage void smp_deferred_error_interrupt(struct pt_regs *regs);
#endif

extern void ist_enter(struct pt_regs *regs);
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index e12454e21b8a..9f915a8791cc 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -23,6 +23,7 @@
#include <linux/string.h>

#include <asm/amd_nb.h>
+#include <asm/traps.h>
#include <asm/apic.h>
#include <asm/mce.h>
#include <asm/msr.h>
@@ -99,7 +100,7 @@ static u32 smca_bank_addrs[MAX_NR_BANKS][NR_BLOCKS] __ro_after_init =
[0 ... MAX_NR_BANKS - 1] = { [0 ... NR_BLOCKS - 1] = -1 }
};

-const char *smca_get_name(enum smca_bank_types t)
+static const char *smca_get_name(enum smca_bank_types t)
{
if (t >= N_SMCA_BANK_TYPES)
return NULL;
@@ -824,7 +825,7 @@ static void __log_error(unsigned int bank, u64 status, u64 addr, u64 misc)
mce_log(&m);
}

-asmlinkage __visible void __irq_entry smp_deferred_error_interrupt(void)
+asmlinkage __visible void __irq_entry smp_deferred_error_interrupt(struct pt_regs *regs)
{
entering_irq();
trace_deferred_error_apic_entry(DEFERRED_ERROR_VECTOR);
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 2da67b70ba98..ee229ceee745 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -25,6 +25,7 @@
#include <linux/cpu.h>

#include <asm/processor.h>
+#include <asm/traps.h>
#include <asm/apic.h>
#include <asm/mce.h>
#include <asm/msr.h>
@@ -390,7 +391,7 @@ static void unexpected_thermal_interrupt(void)

static void (*smp_thermal_vector)(void) = unexpected_thermal_interrupt;

-asmlinkage __visible void __irq_entry smp_thermal_interrupt(struct pt_regs *r)
+asmlinkage __visible void __irq_entry smp_thermal_interrupt(struct pt_regs *regs)
{
entering_irq();
trace_thermal_apic_entry(THERMAL_APIC_VECTOR);
diff --git a/arch/x86/kernel/cpu/mcheck/threshold.c b/arch/x86/kernel/cpu/mcheck/threshold.c
index 2b584b319eff..c21e0a1efd0f 100644
--- a/arch/x86/kernel/cpu/mcheck/threshold.c
+++ b/arch/x86/kernel/cpu/mcheck/threshold.c
@@ -6,6 +6,7 @@
#include <linux/kernel.h>

#include <asm/irq_vectors.h>
+#include <asm/traps.h>
#include <asm/apic.h>
#include <asm/mce.h>
#include <asm/trace/irq_vectors.h>
@@ -18,7 +19,7 @@ static void default_threshold_interrupt(void)

void (*mce_threshold_vector)(void) = default_threshold_interrupt;

-asmlinkage __visible void __irq_entry smp_threshold_interrupt(void)
+asmlinkage __visible void __irq_entry smp_threshold_interrupt(struct pt_regs *regs)
{
entering_irq();
trace_threshold_apic_entry(THRESHOLD_APIC_VECTOR);
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index f02ecaf97904..6489067b78a4 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1346,7 +1346,7 @@ void __init calculate_max_logical_packages(void)
* extrapolate the boot cpu's data to all packages.
*/
ncpus = cpu_data(0).booted_cores * topology_max_smt_threads();
- __max_logical_packages = DIV_ROUND_UP(nr_cpu_ids, ncpus);
+ __max_logical_packages = DIV_ROUND_UP(total_cpus, ncpus);
pr_info("Max logical packages: %u\n", __max_logical_packages);
}

diff --git a/crypto/ecc.c b/crypto/ecc.c
index 8facafd67802..adcce310f646 100644
--- a/crypto/ecc.c
+++ b/crypto/ecc.c
@@ -842,15 +842,23 @@ static void xycz_add_c(u64 *x1, u64 *y1, u64 *x2, u64 *y2, u64 *curve_prime,

static void ecc_point_mult(struct ecc_point *result,
const struct ecc_point *point, const u64 *scalar,
- u64 *initial_z, u64 *curve_prime,
+ u64 *initial_z, const struct ecc_curve *curve,
unsigned int ndigits)
{
/* R0 and R1 */
u64 rx[2][ECC_MAX_DIGITS];
u64 ry[2][ECC_MAX_DIGITS];
u64 z[ECC_MAX_DIGITS];
+ u64 sk[2][ECC_MAX_DIGITS];
+ u64 *curve_prime = curve->p;
int i, nb;
- int num_bits = vli_num_bits(scalar, ndigits);
+ int num_bits;
+ int carry;
+
+ carry = vli_add(sk[0], scalar, curve->n, ndigits);
+ vli_add(sk[1], sk[0], curve->n, ndigits);
+ scalar = sk[!carry];
+ num_bits = sizeof(u64) * ndigits * 8 + 1;

vli_set(rx[1], point->x, ndigits);
vli_set(ry[1], point->y, ndigits);
@@ -1004,7 +1012,7 @@ int ecc_make_pub_key(unsigned int curve_id, unsigned int ndigits,
goto out;
}

- ecc_point_mult(pk, &curve->g, priv, NULL, curve->p, ndigits);
+ ecc_point_mult(pk, &curve->g, priv, NULL, curve, ndigits);
if (ecc_point_is_zero(pk)) {
ret = -EAGAIN;
goto err_free_point;
@@ -1090,7 +1098,7 @@ int crypto_ecdh_shared_secret(unsigned int curve_id, unsigned int ndigits,
goto err_alloc_product;
}

- ecc_point_mult(product, pk, priv, rand_z, curve->p, ndigits);
+ ecc_point_mult(product, pk, priv, rand_z, curve, ndigits);

ecc_swap_digits(product->x, secret, ndigits);

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 8bfd27ec73d6..585e2e1c9c8f 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -31,6 +31,9 @@ static struct kset *system_kset;

#define to_drv_attr(_attr) container_of(_attr, struct driver_attribute, attr)

+#define DRIVER_ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store) \
+ struct driver_attribute driver_attr_##_name = \
+ __ATTR_IGNORE_LOCKDEP(_name, _mode, _show, _store)

static int __must_check bus_rescan_devices_helper(struct device *dev,
void *data);
@@ -195,7 +198,7 @@ static ssize_t unbind_store(struct device_driver *drv, const char *buf,
bus_put(bus);
return err;
}
-static DRIVER_ATTR_WO(unbind);
+static DRIVER_ATTR_IGNORE_LOCKDEP(unbind, S_IWUSR, NULL, unbind_store);

/*
* Manually attach a device to a driver.
@@ -231,7 +234,7 @@ static ssize_t bind_store(struct device_driver *drv, const char *buf,
bus_put(bus);
return err;
}
-static DRIVER_ATTR_WO(bind);
+static DRIVER_ATTR_IGNORE_LOCKDEP(bind, S_IWUSR, NULL, bind_store);

static ssize_t show_drivers_autoprobe(struct bus_type *bus, char *buf)
{
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index cd2e5cf14ea5..77b67a5f21ee 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -343,6 +343,7 @@ static const struct usb_device_id blacklist_table[] = {
/* Intel Bluetooth devices */
{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
+ { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
@@ -2054,6 +2055,35 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
return -EILSEQ;
}

+static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
+ struct intel_boot_params *params,
+ char *fw_name, size_t len,
+ const char *suffix)
+{
+ switch (ver->hw_variant) {
+ case 0x0b: /* SfP */
+ case 0x0c: /* WsP */
+ snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
+ le16_to_cpu(ver->hw_variant),
+ le16_to_cpu(params->dev_revid),
+ suffix);
+ break;
+ case 0x11: /* JfP */
+ case 0x12: /* ThP */
+ case 0x13: /* HrP */
+ case 0x14: /* CcP */
+ snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
+ le16_to_cpu(ver->hw_variant),
+ le16_to_cpu(ver->hw_revision),
+ le16_to_cpu(ver->fw_revision),
+ suffix);
+ break;
+ default:
+ return false;
+ }
+ return true;
+}
+
static int btusb_setup_intel_new(struct hci_dev *hdev)
{
struct btusb_data *data = hci_get_drvdata(hdev);
@@ -2105,7 +2135,7 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
case 0x11: /* JfP */
case 0x12: /* ThP */
case 0x13: /* HrP */
- case 0x14: /* QnJ, IcP */
+ case 0x14: /* CcP */
break;
default:
bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
@@ -2189,23 +2219,9 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
* ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
*
*/
- switch (ver.hw_variant) {
- case 0x0b: /* SfP */
- case 0x0c: /* WsP */
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params.dev_revid));
- break;
- case 0x11: /* JfP */
- case 0x12: /* ThP */
- case 0x13: /* HrP */
- case 0x14: /* QnJ, IcP */
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.sfi",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(ver.hw_revision),
- le16_to_cpu(ver.fw_revision));
- break;
- default:
+ err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
+ sizeof(fwname), "sfi");
+ if (!err) {
bt_dev_err(hdev, "Unsupported Intel firmware naming");
return -EINVAL;
}
@@ -2221,23 +2237,9 @@ static int btusb_setup_intel_new(struct hci_dev *hdev)
/* Save the DDC file name for later use to apply once the firmware
* downloading is done.
*/
- switch (ver.hw_variant) {
- case 0x0b: /* SfP */
- case 0x0c: /* WsP */
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(params.dev_revid));
- break;
- case 0x11: /* JfP */
- case 0x12: /* ThP */
- case 0x13: /* HrP */
- case 0x14: /* QnJ, IcP */
- snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.ddc",
- le16_to_cpu(ver.hw_variant),
- le16_to_cpu(ver.hw_revision),
- le16_to_cpu(ver.fw_revision));
- break;
- default:
+ err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
+ sizeof(fwname), "ddc");
+ if (!err) {
bt_dev_err(hdev, "Unsupported Intel firmware naming");
return -EINVAL;
}
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 7fc9612070a1..d5f7a12e350e 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -29,6 +29,7 @@
#include <linux/moduleparam.h>
#include <linux/workqueue.h>
#include <linux/uuid.h>
+#include <linux/nospec.h>

#define PFX "IPMI message handler: "

@@ -61,7 +62,8 @@ static void ipmi_debug_msg(const char *title, unsigned char *data,
{ }
#endif

-static int initialized;
+static bool initialized;
+static bool drvregistered;

enum ipmi_panic_event_op {
IPMI_SEND_PANIC_EVENT_NONE,
@@ -611,7 +613,7 @@ static DEFINE_MUTEX(ipmidriver_mutex);

static LIST_HEAD(ipmi_interfaces);
static DEFINE_MUTEX(ipmi_interfaces_mutex);
-DEFINE_STATIC_SRCU(ipmi_interfaces_srcu);
+struct srcu_struct ipmi_interfaces_srcu;

/*
* List of watchers that want to know when smi's are added and deleted.
@@ -719,7 +721,15 @@ struct watcher_entry {
int ipmi_smi_watcher_register(struct ipmi_smi_watcher *watcher)
{
struct ipmi_smi *intf;
- int index;
+ int index, rv;
+
+ /*
+ * Make sure the driver is actually initialized, this handles
+ * problems with initialization order.
+ */
+ rv = ipmi_init_msghandler();
+ if (rv)
+ return rv;

mutex_lock(&smi_watchers_mutex);

@@ -883,7 +893,7 @@ static int deliver_response(struct ipmi_smi *intf, struct ipmi_recv_msg *msg)

if (user) {
user->handler->ipmi_recv_hndl(msg, user->handler_data);
- release_ipmi_user(msg->user, index);
+ release_ipmi_user(user, index);
} else {
/* User went away, give up. */
ipmi_free_recv_msg(msg);
@@ -1075,7 +1085,7 @@ int ipmi_create_user(unsigned int if_num,
{
unsigned long flags;
struct ipmi_user *new_user;
- int rv = 0, index;
+ int rv, index;
struct ipmi_smi *intf;

/*
@@ -1093,18 +1103,9 @@ int ipmi_create_user(unsigned int if_num,
* Make sure the driver is actually initialized, this handles
* problems with initialization order.
*/
- if (!initialized) {
- rv = ipmi_init_msghandler();
- if (rv)
- return rv;
-
- /*
- * The init code doesn't return an error if it was turned
- * off, but it won't initialize. Check that.
- */
- if (!initialized)
- return -ENODEV;
- }
+ rv = ipmi_init_msghandler();
+ if (rv)
+ return rv;

new_user = kmalloc(sizeof(*new_user), GFP_KERNEL);
if (!new_user)
@@ -1182,6 +1183,7 @@ EXPORT_SYMBOL(ipmi_get_smi_info);
static void free_user(struct kref *ref)
{
struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount);
+ cleanup_srcu_struct(&user->release_barrier);
kfree(user);
}

@@ -1258,7 +1260,6 @@ int ipmi_destroy_user(struct ipmi_user *user)
{
_ipmi_destroy_user(user);

- cleanup_srcu_struct(&user->release_barrier);
kref_put(&user->refcount, free_user);

return 0;
@@ -1297,10 +1298,12 @@ int ipmi_set_my_address(struct ipmi_user *user,
if (!user)
return -ENODEV;

- if (channel >= IPMI_MAX_CHANNELS)
+ if (channel >= IPMI_MAX_CHANNELS) {
rv = -EINVAL;
- else
+ } else {
+ channel = array_index_nospec(channel, IPMI_MAX_CHANNELS);
user->intf->addrinfo[channel].address = address;
+ }
release_ipmi_user(user, index);

return rv;
@@ -1317,10 +1320,12 @@ int ipmi_get_my_address(struct ipmi_user *user,
if (!user)
return -ENODEV;

- if (channel >= IPMI_MAX_CHANNELS)
+ if (channel >= IPMI_MAX_CHANNELS) {
rv = -EINVAL;
- else
+ } else {
+ channel = array_index_nospec(channel, IPMI_MAX_CHANNELS);
*address = user->intf->addrinfo[channel].address;
+ }
release_ipmi_user(user, index);

return rv;
@@ -1337,10 +1342,12 @@ int ipmi_set_my_LUN(struct ipmi_user *user,
if (!user)
return -ENODEV;

- if (channel >= IPMI_MAX_CHANNELS)
+ if (channel >= IPMI_MAX_CHANNELS) {
rv = -EINVAL;
- else
+ } else {
+ channel = array_index_nospec(channel, IPMI_MAX_CHANNELS);
user->intf->addrinfo[channel].lun = LUN & 0x3;
+ }
release_ipmi_user(user, index);

return 0;
@@ -1357,10 +1364,12 @@ int ipmi_get_my_LUN(struct ipmi_user *user,
if (!user)
return -ENODEV;

- if (channel >= IPMI_MAX_CHANNELS)
+ if (channel >= IPMI_MAX_CHANNELS) {
rv = -EINVAL;
- else
+ } else {
+ channel = array_index_nospec(channel, IPMI_MAX_CHANNELS);
*address = user->intf->addrinfo[channel].lun;
+ }
release_ipmi_user(user, index);

return rv;
@@ -2184,6 +2193,7 @@ static int check_addr(struct ipmi_smi *intf,
{
if (addr->channel >= IPMI_MAX_CHANNELS)
return -EINVAL;
+ addr->channel = array_index_nospec(addr->channel, IPMI_MAX_CHANNELS);
*lun = intf->addrinfo[addr->channel].lun;
*saddr = intf->addrinfo[addr->channel].address;
return 0;
@@ -3294,17 +3304,9 @@ int ipmi_register_smi(const struct ipmi_smi_handlers *handlers,
* Make sure the driver is actually initialized, this handles
* problems with initialization order.
*/
- if (!initialized) {
- rv = ipmi_init_msghandler();
- if (rv)
- return rv;
- /*
- * The init code doesn't return an error if it was turned
- * off, but it won't initialize. Check that.
- */
- if (!initialized)
- return -ENODEV;
- }
+ rv = ipmi_init_msghandler();
+ if (rv)
+ return rv;

intf = kzalloc(sizeof(*intf), GFP_KERNEL);
if (!intf)
@@ -5020,6 +5022,22 @@ static int panic_event(struct notifier_block *this,
return NOTIFY_DONE;
}

+/* Must be called with ipmi_interfaces_mutex held. */
+static int ipmi_register_driver(void)
+{
+ int rv;
+
+ if (drvregistered)
+ return 0;
+
+ rv = driver_register(&ipmidriver.driver);
+ if (rv)
+ pr_err("Could not register IPMI driver\n");
+ else
+ drvregistered = true;
+ return rv;
+}
+
static struct notifier_block panic_block = {
.notifier_call = panic_event,
.next = NULL,
@@ -5030,66 +5048,74 @@ static int ipmi_init_msghandler(void)
{
int rv;

+ mutex_lock(&ipmi_interfaces_mutex);
+ rv = ipmi_register_driver();
+ if (rv)
+ goto out;
if (initialized)
- return 0;
-
- rv = driver_register(&ipmidriver.driver);
- if (rv) {
- pr_err(PFX "Could not register IPMI driver\n");
- return rv;
- }
+ goto out;

- pr_info("ipmi message handler version " IPMI_DRIVER_VERSION "\n");
+ init_srcu_struct(&ipmi_interfaces_srcu);

timer_setup(&ipmi_timer, ipmi_timeout, 0);
mod_timer(&ipmi_timer, jiffies + IPMI_TIMEOUT_JIFFIES);

atomic_notifier_chain_register(&panic_notifier_list, &panic_block);

- initialized = 1;
+ initialized = true;

- return 0;
+out:
+ mutex_unlock(&ipmi_interfaces_mutex);
+ return rv;
}

static int __init ipmi_init_msghandler_mod(void)
{
- ipmi_init_msghandler();
- return 0;
+ int rv;
+
+ pr_info("version " IPMI_DRIVER_VERSION "\n");
+
+ mutex_lock(&ipmi_interfaces_mutex);
+ rv = ipmi_register_driver();
+ mutex_unlock(&ipmi_interfaces_mutex);
+
+ return rv;
}

static void __exit cleanup_ipmi(void)
{
int count;

- if (!initialized)
- return;
-
- atomic_notifier_chain_unregister(&panic_notifier_list, &panic_block);
-
- /*
- * This can't be called if any interfaces exist, so no worry
- * about shutting down the interfaces.
- */
-
- /*
- * Tell the timer to stop, then wait for it to stop. This
- * avoids problems with race conditions removing the timer
- * here.
- */
- atomic_inc(&stop_operation);
- del_timer_sync(&ipmi_timer);
+ if (initialized) {
+ atomic_notifier_chain_unregister(&panic_notifier_list,
+ &panic_block);

- driver_unregister(&ipmidriver.driver);
-
- initialized = 0;
+ /*
+ * This can't be called if any interfaces exist, so no worry
+ * about shutting down the interfaces.
+ */

- /* Check for buffer leaks. */
- count = atomic_read(&smi_msg_inuse_count);
- if (count != 0)
- pr_warn(PFX "SMI message count %d at exit\n", count);
- count = atomic_read(&recv_msg_inuse_count);
- if (count != 0)
- pr_warn(PFX "recv message count %d at exit\n", count);
+ /*
+ * Tell the timer to stop, then wait for it to stop. This
+ * avoids problems with race conditions removing the timer
+ * here.
+ */
+ atomic_inc(&stop_operation);
+ del_timer_sync(&ipmi_timer);
+
+ initialized = false;
+
+ /* Check for buffer leaks. */
+ count = atomic_read(&smi_msg_inuse_count);
+ if (count != 0)
+ pr_warn(PFX "SMI message count %d at exit\n", count);
+ count = atomic_read(&recv_msg_inuse_count);
+ if (count != 0)
+ pr_warn(PFX "recv message count %d at exit\n", count);
+ cleanup_srcu_struct(&ipmi_interfaces_srcu);
+ }
+ if (drvregistered)
+ driver_unregister(&ipmidriver.driver);
}
module_exit(cleanup_ipmi);

diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 9b786726e426..76c2010ba672 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -630,8 +630,9 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,

/* Remove the multi-part read marker. */
len -= 2;
+ data += 2;
for (i = 0; i < len; i++)
- ssif_info->data[i] = data[i+2];
+ ssif_info->data[i] = data[i];
ssif_info->multi_len = len;
ssif_info->multi_pos = 1;

@@ -659,8 +660,19 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
}

blocknum = data[0];
+ len--;
+ data++;
+
+ if (blocknum != 0xff && len != 31) {
+ /* All blocks but the last must have 31 data bytes. */
+ result = -EIO;
+ if (ssif_info->ssif_debug & SSIF_DEBUG_MSG)
+ pr_info("Received middle message <31\n");

- if (ssif_info->multi_len + len - 1 > IPMI_MAX_MSG_LENGTH) {
+ goto continue_op;
+ }
+
+ if (ssif_info->multi_len + len > IPMI_MAX_MSG_LENGTH) {
/* Received message too big, abort the operation. */
result = -E2BIG;
if (ssif_info->ssif_debug & SSIF_DEBUG_MSG)
@@ -669,16 +681,14 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
goto continue_op;
}

- /* Remove the blocknum from the data. */
- len--;
for (i = 0; i < len; i++)
- ssif_info->data[i + ssif_info->multi_len] = data[i + 1];
+ ssif_info->data[i + ssif_info->multi_len] = data[i];
ssif_info->multi_len += len;
if (blocknum == 0xff) {
/* End of read */
len = ssif_info->multi_len;
data = ssif_info->data;
- } else if (blocknum + 1 != ssif_info->multi_pos) {
+ } else if (blocknum != ssif_info->multi_pos) {
/*
* Out of sequence block, just abort. Block
* numbers start at zero for the second block,
@@ -706,6 +716,7 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
}
}

+ continue_op:
if (result < 0) {
ssif_inc_stat(ssif_info, receive_errors);
} else {
@@ -713,8 +724,6 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
ssif_inc_stat(ssif_info, received_message_parts);
}

-
- continue_op:
if (ssif_info->ssif_debug & SSIF_DEBUG_STATE)
pr_info(PFX "DONE 1: state = %d, result=%d.\n",
ssif_info->ssif_state, result);
diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c
index 99036527eb0d..e695622c5aa5 100644
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@@ -154,7 +154,7 @@ static const struct clk_ops clk_busy_mux_ops = {

struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
u8 width, void __iomem *busy_reg, u8 busy_shift,
- const char **parent_names, int num_parents)
+ const char * const *parent_names, int num_parents)
{
struct clk_busy_mux *busy;
struct clk *clk;
diff --git a/drivers/clk/imx/clk-fixup-mux.c b/drivers/clk/imx/clk-fixup-mux.c
index c9b327e0a8dd..44817c1b0b88 100644
--- a/drivers/clk/imx/clk-fixup-mux.c
+++ b/drivers/clk/imx/clk-fixup-mux.c
@@ -70,7 +70,7 @@ static const struct clk_ops clk_fixup_mux_ops = {
};

struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
- u8 shift, u8 width, const char **parents,
+ u8 shift, u8 width, const char * const *parents,
int num_parents, void (*fixup)(u32 *val))
{
struct clk_fixup_mux *fixup_mux;
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index 8c7c2fcb8d94..c509324f6338 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -508,8 +508,12 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
* lvds1_gate and lvds2_gate are pseudo-gates. Both can be
* independently configured as clock inputs or outputs. We treat
* the "output_enable" bit as a gate, even though it's really just
- * enabling clock output.
+ * enabling clock output. Initially the gate bits are cleared, as
+ * otherwise the exclusive configuration gets locked in the setup done
+ * by software running before the clock driver, with no way to change
+ * it.
*/
+ writel(readl(base + 0x160) & ~0x3c00, base + 0x160);
clk[IMX6QDL_CLK_LVDS1_GATE] = imx_clk_gate_exclusive("lvds1_gate", "lvds1_sel", base + 0x160, 10, BIT(12));
clk[IMX6QDL_CLK_LVDS2_GATE] = imx_clk_gate_exclusive("lvds2_gate", "lvds2_sel", base + 0x160, 11, BIT(13));

diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index 8076ec040f37..e65c1115d978 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -63,14 +63,14 @@ struct clk *imx_clk_busy_divider(const char *name, const char *parent_name,

struct clk *imx_clk_busy_mux(const char *name, void __iomem *reg, u8 shift,
u8 width, void __iomem *busy_reg, u8 busy_shift,
- const char **parent_names, int num_parents);
+ const char * const *parent_names, int num_parents);

struct clk *imx_clk_fixup_divider(const char *name, const char *parent,
void __iomem *reg, u8 shift, u8 width,
void (*fixup)(u32 *val));

struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
- u8 shift, u8 width, const char **parents,
+ u8 shift, u8 width, const char * const *parents,
int num_parents, void (*fixup)(u32 *val));

static inline struct clk *imx_clk_fixed(const char *name, int rate)
@@ -79,7 +79,8 @@ static inline struct clk *imx_clk_fixed(const char *name, int rate)
}

static inline struct clk *imx_clk_mux_ldb(const char *name, void __iomem *reg,
- u8 shift, u8 width, const char **parents, int num_parents)
+ u8 shift, u8 width, const char * const *parents,
+ int num_parents)
{
return clk_register_mux(NULL, name, parents, num_parents,
CLK_SET_RATE_NO_REPARENT | CLK_SET_RATE_PARENT, reg,
@@ -192,7 +193,8 @@ static inline struct clk *imx_clk_gate4(const char *name, const char *parent,
}

static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
- u8 shift, u8 width, const char **parents, int num_parents)
+ u8 shift, u8 width, const char * const *parents,
+ int num_parents)
{
return clk_register_mux(NULL, name, parents, num_parents,
CLK_SET_RATE_NO_REPARENT, reg, shift,
@@ -200,7 +202,8 @@ static inline struct clk *imx_clk_mux(const char *name, void __iomem *reg,
}

static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
- u8 shift, u8 width, const char **parents, int num_parents)
+ u8 shift, u8 width, const char * const *parents,
+ int num_parents)
{
return clk_register_mux(NULL, name, parents, num_parents,
CLK_SET_RATE_NO_REPARENT | CLK_OPS_PARENT_ENABLE,
@@ -208,8 +211,9 @@ static inline struct clk *imx_clk_mux2(const char *name, void __iomem *reg,
}

static inline struct clk *imx_clk_mux_flags(const char *name,
- void __iomem *reg, u8 shift, u8 width, const char **parents,
- int num_parents, unsigned long flags)
+ void __iomem *reg, u8 shift, u8 width,
+ const char * const *parents, int num_parents,
+ unsigned long flags)
{
return clk_register_mux(NULL, name, parents, num_parents,
flags | CLK_SET_RATE_NO_REPARENT, reg, shift, width, 0,
diff --git a/drivers/clk/meson/meson8b.c b/drivers/clk/meson/meson8b.c
index 74697e145dde..50060e895e7a 100644
--- a/drivers/clk/meson/meson8b.c
+++ b/drivers/clk/meson/meson8b.c
@@ -568,13 +568,14 @@ static struct clk_fixed_factor meson8b_cpu_div3 = {
};

static const struct clk_div_table cpu_scale_table[] = {
- { .val = 2, .div = 4 },
- { .val = 3, .div = 6 },
- { .val = 4, .div = 8 },
- { .val = 5, .div = 10 },
- { .val = 6, .div = 12 },
- { .val = 7, .div = 14 },
- { .val = 8, .div = 16 },
+ { .val = 1, .div = 4 },
+ { .val = 2, .div = 6 },
+ { .val = 3, .div = 8 },
+ { .val = 4, .div = 10 },
+ { .val = 5, .div = 12 },
+ { .val = 6, .div = 14 },
+ { .val = 7, .div = 16 },
+ { .val = 8, .div = 18 },
{ /* sentinel */ },
};

diff --git a/drivers/clocksource/timer-integrator-ap.c b/drivers/clocksource/timer-integrator-ap.c
index 62d24690ba02..9701107806a7 100644
--- a/drivers/clocksource/timer-integrator-ap.c
+++ b/drivers/clocksource/timer-integrator-ap.c
@@ -181,8 +181,7 @@ static int __init integrator_ap_timer_init_of(struct device_node *node)
int irq;
struct clk *clk;
unsigned long rate;
- struct device_node *pri_node;
- struct device_node *sec_node;
+ struct device_node *alias_node;

base = of_io_request_and_map(node, 0, "integrator-timer");
if (IS_ERR(base))
@@ -204,7 +203,18 @@ static int __init integrator_ap_timer_init_of(struct device_node *node)
return err;
}

- pri_node = of_find_node_by_path(path);
+ alias_node = of_find_node_by_path(path);
+
+ /*
+ * The pointer is used as an identifier not as a pointer, we
+ * can drop the refcount on the of__node immediately after
+ * getting it.
+ */
+ of_node_put(alias_node);
+
+ if (node == alias_node)
+ /* The primary timer lacks IRQ, use as clocksource */
+ return integrator_clocksource_init(rate, base);

err = of_property_read_string(of_aliases,
"arm,timer-secondary", &path);
@@ -213,14 +223,11 @@ static int __init integrator_ap_timer_init_of(struct device_node *node)
return err;
}

+ alias_node = of_find_node_by_path(path);

- sec_node = of_find_node_by_path(path);
-
- if (node == pri_node)
- /* The primary timer lacks IRQ, use as clocksource */
- return integrator_clocksource_init(rate, base);
+ of_node_put(alias_node);

- if (node == sec_node) {
+ if (node == alias_node) {
/* The secondary timer will drive the clock event */
irq = irq_of_parse_and_map(node, 0);
return integrator_clockevent_init(rate, base, irq);
diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c
index 9e56bc411061..74c247972bb3 100644
--- a/drivers/cpuidle/cpuidle-pseries.c
+++ b/drivers/cpuidle/cpuidle-pseries.c
@@ -247,7 +247,13 @@ static int pseries_idle_probe(void)
return -ENODEV;

if (firmware_has_feature(FW_FEATURE_SPLPAR)) {
- if (lppaca_shared_proc(get_lppaca())) {
+ /*
+ * Use local_paca instead of get_lppaca() since
+ * preemption is not disabled, and it is not required in
+ * fact, since lppaca_ptr does not need to be the value
+ * associated to the current CPU, it can be from any CPU.
+ */
+ if (lppaca_shared_proc(local_paca->lppaca_ptr)) {
cpuidle_state_table = shared_states;
max_idle_state = ARRAY_SIZE(shared_states);
} else {
diff --git a/drivers/firmware/efi/libstub/Makefile b/drivers/firmware/efi/libstub/Makefile
index c51627660dbb..d9845099635e 100644
--- a/drivers/firmware/efi/libstub/Makefile
+++ b/drivers/firmware/efi/libstub/Makefile
@@ -9,7 +9,10 @@ cflags-$(CONFIG_X86_32) := -march=i386
cflags-$(CONFIG_X86_64) := -mcmodel=small
cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ -O2 \
-fPIC -fno-strict-aliasing -mno-red-zone \
- -mno-mmx -mno-sse -fshort-wchar
+ -mno-mmx -mno-sse -fshort-wchar \
+ -Wno-pointer-sign \
+ $(call cc-disable-warning, address-of-packed-member) \
+ $(call cc-disable-warning, gnu)

# arm64 uses the full KBUILD_CFLAGS so it's necessary to explicitly
# disable the stackleak plugin
diff --git a/drivers/fpga/altera-cvp.c b/drivers/fpga/altera-cvp.c
index 7fa793672a7a..68e4b2b98c8f 100644
--- a/drivers/fpga/altera-cvp.c
+++ b/drivers/fpga/altera-cvp.c
@@ -468,14 +468,6 @@ static int altera_cvp_probe(struct pci_dev *pdev,
goto err_unmap;
}

- ret = driver_create_file(&altera_cvp_driver.driver,
- &driver_attr_chkcfg);
- if (ret) {
- dev_err(&pdev->dev, "Can't create sysfs chkcfg file\n");
- fpga_mgr_unregister(mgr);
- goto err_unmap;
- }
-
return 0;

err_unmap:
@@ -493,7 +485,6 @@ static void altera_cvp_remove(struct pci_dev *pdev)
struct altera_cvp_conf *conf = mgr->priv;
u16 cmd;

- driver_remove_file(&altera_cvp_driver.driver, &driver_attr_chkcfg);
fpga_mgr_unregister(mgr);
pci_iounmap(pdev, conf->map);
pci_release_region(pdev, CVP_BAR);
@@ -502,7 +493,30 @@ static void altera_cvp_remove(struct pci_dev *pdev)
pci_write_config_word(pdev, PCI_COMMAND, cmd);
}

-module_pci_driver(altera_cvp_driver);
+static int __init altera_cvp_init(void)
+{
+ int ret;
+
+ ret = pci_register_driver(&altera_cvp_driver);
+ if (ret)
+ return ret;
+
+ ret = driver_create_file(&altera_cvp_driver.driver,
+ &driver_attr_chkcfg);
+ if (ret)
+ pr_warn("Can't create sysfs chkcfg file\n");
+
+ return 0;
+}
+
+static void __exit altera_cvp_exit(void)
+{
+ driver_remove_file(&altera_cvp_driver.driver, &driver_attr_chkcfg);
+ pci_unregister_driver(&altera_cvp_driver);
+}
+
+module_init(altera_cvp_init);
+module_exit(altera_cvp_exit);

MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
diff --git a/drivers/gpio/gpio-pl061.c b/drivers/gpio/gpio-pl061.c
index 2afd9de84a0d..dc42571e6fdc 100644
--- a/drivers/gpio/gpio-pl061.c
+++ b/drivers/gpio/gpio-pl061.c
@@ -54,6 +54,7 @@ struct pl061 {

void __iomem *base;
struct gpio_chip gc;
+ struct irq_chip irq_chip;
int parent_irq;

#ifdef CONFIG_PM
@@ -281,15 +282,6 @@ static int pl061_irq_set_wake(struct irq_data *d, unsigned int state)
return irq_set_irq_wake(pl061->parent_irq, state);
}

-static struct irq_chip pl061_irqchip = {
- .name = "pl061",
- .irq_ack = pl061_irq_ack,
- .irq_mask = pl061_irq_mask,
- .irq_unmask = pl061_irq_unmask,
- .irq_set_type = pl061_irq_type,
- .irq_set_wake = pl061_irq_set_wake,
-};
-
static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
{
struct device *dev = &adev->dev;
@@ -328,6 +320,13 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
/*
* irq_chip support
*/
+ pl061->irq_chip.name = dev_name(dev);
+ pl061->irq_chip.irq_ack = pl061_irq_ack;
+ pl061->irq_chip.irq_mask = pl061_irq_mask;
+ pl061->irq_chip.irq_unmask = pl061_irq_unmask;
+ pl061->irq_chip.irq_set_type = pl061_irq_type;
+ pl061->irq_chip.irq_set_wake = pl061_irq_set_wake;
+
writeb(0, pl061->base + GPIOIE); /* disable irqs */
irq = adev->irq[0];
if (irq < 0) {
@@ -336,14 +335,14 @@ static int pl061_probe(struct amba_device *adev, const struct amba_id *id)
}
pl061->parent_irq = irq;

- ret = gpiochip_irqchip_add(&pl061->gc, &pl061_irqchip,
+ ret = gpiochip_irqchip_add(&pl061->gc, &pl061->irq_chip,
0, handle_bad_irq,
IRQ_TYPE_NONE);
if (ret) {
dev_info(&adev->dev, "could not add irqchip\n");
return ret;
}
- gpiochip_set_chained_irqchip(&pl061->gc, &pl061_irqchip,
+ gpiochip_set_chained_irqchip(&pl061->gc, &pl061->irq_chip,
irq, pl061_irq_handler);

amba_set_drvdata(adev, pl061);
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index 8a926d1df939..2b4199adcd94 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -116,16 +116,16 @@ static int uvd_v4_2_sw_init(void *handle)
if (r)
return r;

- r = amdgpu_uvd_resume(adev);
- if (r)
- return r;
-
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
if (r)
return r;

+ r = amdgpu_uvd_resume(adev);
+ if (r)
+ return r;
+
r = amdgpu_uvd_entity_init(adev);

return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
index 50248059412e..88c006c5ee2c 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v5_0.c
@@ -113,16 +113,16 @@ static int uvd_v5_0_sw_init(void *handle)
if (r)
return r;

- r = amdgpu_uvd_resume(adev);
- if (r)
- return r;
-
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
if (r)
return r;

+ r = amdgpu_uvd_resume(adev);
+ if (r)
+ return r;
+
r = amdgpu_uvd_entity_init(adev);

return r;
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
index 6ae82cc2e55e..d4070839ac80 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
@@ -420,16 +420,16 @@ static int uvd_v6_0_sw_init(void *handle)
DRM_INFO("UVD ENC is disabled\n");
}

- r = amdgpu_uvd_resume(adev);
- if (r)
- return r;
-
ring = &adev->uvd.inst->ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0);
if (r)
return r;

+ r = amdgpu_uvd_resume(adev);
+ if (r)
+ return r;
+
if (uvd_v6_0_enc_support(adev)) {
for (i = 0; i < adev->uvd.num_enc_rings; ++i) {
ring = &adev->uvd.inst->ring_enc[i];
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
index 9b7f8469bc5c..057151b17b45 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v7_0.c
@@ -444,10 +444,6 @@ static int uvd_v7_0_sw_init(void *handle)
DRM_INFO("PSP loading UVD firmware\n");
}

- r = amdgpu_uvd_resume(adev);
- if (r)
- return r;
-
for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
if (adev->uvd.harvest_config & (1 << j))
continue;
@@ -479,6 +475,10 @@ static int uvd_v7_0_sw_init(void *handle)
}
}

+ r = amdgpu_uvd_resume(adev);
+ if (r)
+ return r;
+
r = amdgpu_uvd_entity_init(adev);
if (r)
return r;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device.c b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
index 1427675d0e5a..5aba50f63ac6 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device.c
@@ -661,6 +661,7 @@ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
{
uint32_t patched_ihre[KFD_MAX_RING_ENTRY_SIZE];
bool is_patched = false;
+ unsigned long flags;

if (!kfd->init_complete)
return;
@@ -670,7 +671,7 @@ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
return;
}

- spin_lock(&kfd->interrupt_lock);
+ spin_lock_irqsave(&kfd->interrupt_lock, flags);

if (kfd->interrupts_active
&& interrupt_is_wanted(kfd, ih_ring_entry,
@@ -679,7 +680,7 @@ void kgd2kfd_interrupt(struct kfd_dev *kfd, const void *ih_ring_entry)
is_patched ? patched_ihre : ih_ring_entry))
queue_work(kfd->ih_wq, &kfd->interrupt_work);

- spin_unlock(&kfd->interrupt_lock);
+ spin_unlock_irqrestore(&kfd->interrupt_lock, flags);
}

int kgd2kfd_quiesce_mm(struct mm_struct *mm)
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
index 9bfb040352e9..6a6d977ddd7a 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c
@@ -60,6 +60,11 @@ int amdgpu_dm_crtc_set_crc_source(struct drm_crtc *crtc, const char *src_name,
return -EINVAL;
}

+ if (!stream_state) {
+ DRM_ERROR("No stream state for CRTC%d\n", crtc->index);
+ return -EINVAL;
+ }
+
/* When enabling CRC, we should also disable dithering. */
if (source == AMDGPU_DM_PIPE_CRC_SOURCE_AUTO) {
if (dc_stream_configure_crc(stream_state->ctx->dc,
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 1bb4c318bdd4..f77bff5aa307 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -1425,6 +1425,9 @@ void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev,
DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n",
crtc->base.id, crtc->name);
}
+
+ if (old_state->fake_commit)
+ complete_all(&old_state->fake_commit->flip_done);
}
EXPORT_SYMBOL(drm_atomic_helper_wait_for_flip_done);

diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
index 9973ac893635..3db232429630 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
@@ -334,13 +334,16 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,

usnic_dbg("\n");

- mutex_lock(&us_ibdev->usdev_lock);
if (ib_get_eth_speed(ibdev, port, &props->active_speed,
- &props->active_width)) {
- mutex_unlock(&us_ibdev->usdev_lock);
+ &props->active_width))
return -EINVAL;
- }

+ /*
+ * usdev_lock is acquired after (and not before) ib_get_eth_speed call
+ * because acquiring rtnl_lock in ib_get_eth_speed, while holding
+ * usdev_lock could lead to a deadlock.
+ */
+ mutex_lock(&us_ibdev->usdev_lock);
/* props being zeroed by the caller, avoid zeroing it here */

props->lid = 0;
diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c
index 8be27238a86e..fa98a5279647 100644
--- a/drivers/infiniband/sw/rxe/rxe_req.c
+++ b/drivers/infiniband/sw/rxe/rxe_req.c
@@ -640,6 +640,7 @@ int rxe_requester(void *arg)
rmr->access = wqe->wr.wr.reg.access;
rmr->lkey = wqe->wr.wr.reg.key;
rmr->rkey = wqe->wr.wr.reg.key;
+ rmr->iova = wqe->wr.wr.reg.mr->iova;
wqe->state = wqe_state_done;
wqe->status = IB_WC_SUCCESS;
} else {
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 0481223b1deb..f2ec882f96be 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -49,7 +49,7 @@ struct convert_context {
struct bio *bio_out;
struct bvec_iter iter_in;
struct bvec_iter iter_out;
- sector_t cc_sector;
+ u64 cc_sector;
atomic_t cc_pending;
union {
struct skcipher_request *req;
@@ -81,7 +81,7 @@ struct dm_crypt_request {
struct convert_context *ctx;
struct scatterlist sg_in[4];
struct scatterlist sg_out[4];
- sector_t iv_sector;
+ u64 iv_sector;
};

struct crypt_config;
@@ -160,7 +160,7 @@ struct crypt_config {
struct iv_lmk_private lmk;
struct iv_tcw_private tcw;
} iv_gen_private;
- sector_t iv_offset;
+ u64 iv_offset;
unsigned int iv_size;
unsigned short int sector_size;
unsigned char sector_shift;
@@ -2780,7 +2780,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}

ret = -EINVAL;
- if (sscanf(argv[4], "%llu%c", &tmpll, &dummy) != 1) {
+ if (sscanf(argv[4], "%llu%c", &tmpll, &dummy) != 1 || tmpll != (sector_t)tmpll) {
ti->error = "Invalid device sector";
goto bad;
}
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index 2fb7bb4304ad..fddffe251bf6 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -141,7 +141,7 @@ static int delay_class_ctr(struct dm_target *ti, struct delay_class *c, char **a
unsigned long long tmpll;
char dummy;

- if (sscanf(argv[1], "%llu%c", &tmpll, &dummy) != 1) {
+ if (sscanf(argv[1], "%llu%c", &tmpll, &dummy) != 1 || tmpll != (sector_t)tmpll) {
ti->error = "Invalid device sector";
return -EINVAL;
}
diff --git a/drivers/md/dm-flakey.c b/drivers/md/dm-flakey.c
index 32aabe27b37c..b86d2439ffc7 100644
--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -213,7 +213,7 @@ static int flakey_ctr(struct dm_target *ti, unsigned int argc, char **argv)
devname = dm_shift_arg(&as);

r = -EINVAL;
- if (sscanf(dm_shift_arg(&as), "%llu%c", &tmpll, &dummy) != 1) {
+ if (sscanf(dm_shift_arg(&as), "%llu%c", &tmpll, &dummy) != 1 || tmpll != (sector_t)tmpll) {
ti->error = "Invalid device sector";
goto bad;
}
diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 2fc4213e02b5..671c24332802 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -56,15 +56,17 @@ struct dm_kcopyd_client {
atomic_t nr_jobs;

/*
- * We maintain three lists of jobs:
+ * We maintain four lists of jobs:
*
* i) jobs waiting for pages
* ii) jobs that have pages, and are waiting for the io to be issued.
- * iii) jobs that have completed.
+ * iii) jobs that don't need to do any IO and just run a callback
+ * iv) jobs that have completed.
*
- * All three of these are protected by job_lock.
+ * All four of these are protected by job_lock.
*/
spinlock_t job_lock;
+ struct list_head callback_jobs;
struct list_head complete_jobs;
struct list_head io_jobs;
struct list_head pages_jobs;
@@ -625,6 +627,7 @@ static void do_work(struct work_struct *work)
struct dm_kcopyd_client *kc = container_of(work,
struct dm_kcopyd_client, kcopyd_work);
struct blk_plug plug;
+ unsigned long flags;

/*
* The order that these are called is *very* important.
@@ -633,6 +636,10 @@ static void do_work(struct work_struct *work)
* list. io jobs call wake when they complete and it all
* starts again.
*/
+ spin_lock_irqsave(&kc->job_lock, flags);
+ list_splice_tail_init(&kc->callback_jobs, &kc->complete_jobs);
+ spin_unlock_irqrestore(&kc->job_lock, flags);
+
blk_start_plug(&plug);
process_jobs(&kc->complete_jobs, kc, run_complete_job);
process_jobs(&kc->pages_jobs, kc, run_pages_job);
@@ -650,7 +657,7 @@ static void dispatch_job(struct kcopyd_job *job)
struct dm_kcopyd_client *kc = job->kc;
atomic_inc(&kc->nr_jobs);
if (unlikely(!job->source.count))
- push(&kc->complete_jobs, job);
+ push(&kc->callback_jobs, job);
else if (job->pages == &zero_page_list)
push(&kc->io_jobs, job);
else
@@ -858,7 +865,7 @@ void dm_kcopyd_do_callback(void *j, int read_err, unsigned long write_err)
job->read_err = read_err;
job->write_err = write_err;

- push(&kc->complete_jobs, job);
+ push(&kc->callback_jobs, job);
wake(kc);
}
EXPORT_SYMBOL(dm_kcopyd_do_callback);
@@ -888,6 +895,7 @@ struct dm_kcopyd_client *dm_kcopyd_client_create(struct dm_kcopyd_throttle *thro
return ERR_PTR(-ENOMEM);

spin_lock_init(&kc->job_lock);
+ INIT_LIST_HEAD(&kc->callback_jobs);
INIT_LIST_HEAD(&kc->complete_jobs);
INIT_LIST_HEAD(&kc->io_jobs);
INIT_LIST_HEAD(&kc->pages_jobs);
@@ -939,6 +947,7 @@ void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc)
/* Wait for completion of all jobs submitted by this client. */
wait_event(kc->destroyq, !atomic_read(&kc->nr_jobs));

+ BUG_ON(!list_empty(&kc->callback_jobs));
BUG_ON(!list_empty(&kc->complete_jobs));
BUG_ON(!list_empty(&kc->io_jobs));
BUG_ON(!list_empty(&kc->pages_jobs));
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 2f7c44a006c4..caa08c4b84cd 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -45,7 +45,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
}

ret = -EINVAL;
- if (sscanf(argv[1], "%llu%c", &tmp, &dummy) != 1) {
+ if (sscanf(argv[1], "%llu%c", &tmp, &dummy) != 1 || tmp != (sector_t)tmp) {
ti->error = "Invalid device sector";
goto bad;
}
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 79eab1071ec2..5a51151f680d 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -943,7 +943,8 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
char dummy;
int ret;

- if (sscanf(argv[1], "%llu%c", &offset, &dummy) != 1) {
+ if (sscanf(argv[1], "%llu%c", &offset, &dummy) != 1 ||
+ offset != (sector_t)offset) {
ti->error = "Invalid offset";
return -EINVAL;
}
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index ae4b33d10924..36805b12661e 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -19,6 +19,7 @@
#include <linux/vmalloc.h>
#include <linux/log2.h>
#include <linux/dm-kcopyd.h>
+#include <linux/semaphore.h>

#include "dm.h"

@@ -105,6 +106,9 @@ struct dm_snapshot {
/* The on disk metadata handler */
struct dm_exception_store *store;

+ /* Maximum number of in-flight COW jobs. */
+ struct semaphore cow_count;
+
struct dm_kcopyd_client *kcopyd_client;

/* Wait for events based on state_bits */
@@ -145,6 +149,19 @@ struct dm_snapshot {
#define RUNNING_MERGE 0
#define SHUTDOWN_MERGE 1

+/*
+ * Maximum number of chunks being copied on write.
+ *
+ * The value was decided experimentally as a trade-off between memory
+ * consumption, stalling the kernel's workqueues and maintaining a high enough
+ * throughput.
+ */
+#define DEFAULT_COW_THRESHOLD 2048
+
+static int cow_threshold = DEFAULT_COW_THRESHOLD;
+module_param_named(snapshot_cow_threshold, cow_threshold, int, 0644);
+MODULE_PARM_DESC(snapshot_cow_threshold, "Maximum number of chunks being copied on write");
+
DECLARE_DM_KCOPYD_THROTTLE_WITH_MODULE_PARM(snapshot_copy_throttle,
"A percentage of time allocated for copy on write");

@@ -1190,6 +1207,8 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto bad_hash_tables;
}

+ sema_init(&s->cow_count, (cow_threshold > 0) ? cow_threshold : INT_MAX);
+
s->kcopyd_client = dm_kcopyd_client_create(&dm_kcopyd_throttle);
if (IS_ERR(s->kcopyd_client)) {
r = PTR_ERR(s->kcopyd_client);
@@ -1575,6 +1594,7 @@ static void copy_callback(int read_err, unsigned long write_err, void *context)
rb_link_node(&pe->out_of_order_node, parent, p);
rb_insert_color(&pe->out_of_order_node, &s->out_of_order_tree);
}
+ up(&s->cow_count);
}

/*
@@ -1598,6 +1618,7 @@ static void start_copy(struct dm_snap_pending_exception *pe)
dest.count = src.count;

/* Hand over to kcopyd */
+ down(&s->cow_count);
dm_kcopyd_copy(s->kcopyd_client, &src, 1, &dest, 0, copy_callback, pe);
}

@@ -1617,6 +1638,7 @@ static void start_full_bio(struct dm_snap_pending_exception *pe,
pe->full_bio = bio;
pe->full_bio_end_io = bio->bi_end_io;

+ down(&s->cow_count);
callback_data = dm_kcopyd_prepare_callback(s->kcopyd_client,
copy_callback, pe);

diff --git a/drivers/md/dm-unstripe.c b/drivers/md/dm-unstripe.c
index 954b7ab4e684..e673dacf6418 100644
--- a/drivers/md/dm-unstripe.c
+++ b/drivers/md/dm-unstripe.c
@@ -78,7 +78,7 @@ static int unstripe_ctr(struct dm_target *ti, unsigned int argc, char **argv)
goto err;
}

- if (sscanf(argv[4], "%llu%c", &start, &dummy) != 1) {
+ if (sscanf(argv[4], "%llu%c", &start, &dummy) != 1 || start != (sector_t)start) {
ti->error = "Invalid striped device offset";
goto err;
}
diff --git a/drivers/media/firewire/firedtv-avc.c b/drivers/media/firewire/firedtv-avc.c
index 1c933b2cf760..3ef5df1648d7 100644
--- a/drivers/media/firewire/firedtv-avc.c
+++ b/drivers/media/firewire/firedtv-avc.c
@@ -968,7 +968,8 @@ static int get_ca_object_length(struct avc_response_frame *r)
return r->operand[7];
}

-int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
+int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info,
+ unsigned int *len)
{
struct avc_command_frame *c = (void *)fdtv->avc_data;
struct avc_response_frame *r = (void *)fdtv->avc_data;
@@ -1009,7 +1010,8 @@ int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
return ret;
}

-int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len)
+int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info,
+ unsigned int *len)
{
struct avc_command_frame *c = (void *)fdtv->avc_data;
struct avc_response_frame *r = (void *)fdtv->avc_data;
diff --git a/drivers/media/firewire/firedtv.h b/drivers/media/firewire/firedtv.h
index 876cdec8329b..009905a19947 100644
--- a/drivers/media/firewire/firedtv.h
+++ b/drivers/media/firewire/firedtv.h
@@ -124,8 +124,10 @@ int avc_lnb_control(struct firedtv *fdtv, char voltage, char burst,
struct dvb_diseqc_master_cmd *diseqcmd);
void avc_remote_ctrl_work(struct work_struct *work);
int avc_register_remote_control(struct firedtv *fdtv);
-int avc_ca_app_info(struct firedtv *fdtv, char *app_info, unsigned int *len);
-int avc_ca_info(struct firedtv *fdtv, char *app_info, unsigned int *len);
+int avc_ca_app_info(struct firedtv *fdtv, unsigned char *app_info,
+ unsigned int *len);
+int avc_ca_info(struct firedtv *fdtv, unsigned char *app_info,
+ unsigned int *len);
int avc_ca_reset(struct firedtv *fdtv);
int avc_ca_pmt(struct firedtv *fdtv, char *app_info, int length);
int avc_ca_get_time_date(struct firedtv *fdtv, int *interval);
diff --git a/drivers/media/platform/qcom/venus/core.c b/drivers/media/platform/qcom/venus/core.c
index bb6add9d340e..5b8350e87e75 100644
--- a/drivers/media/platform/qcom/venus/core.c
+++ b/drivers/media/platform/qcom/venus/core.c
@@ -264,6 +264,14 @@ static int venus_probe(struct platform_device *pdev)
if (ret)
return ret;

+ if (!dev->dma_parms) {
+ dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
+ GFP_KERNEL);
+ if (!dev->dma_parms)
+ return -ENOMEM;
+ }
+ dma_set_max_seg_size(dev, DMA_BIT_MASK(32));
+
INIT_LIST_HEAD(&core->instances);
mutex_init(&core->lock);
INIT_DELAYED_WORK(&core->work, venus_sys_error_handler);
diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index d46dc432456c..361abbc00486 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -1824,11 +1824,7 @@ static void uvc_delete(struct kref *kref)
usb_put_intf(dev->intf);
usb_put_dev(dev->udev);

- if (dev->vdev.dev)
- v4l2_device_unregister(&dev->vdev);
#ifdef CONFIG_MEDIA_CONTROLLER
- if (media_devnode_is_registered(dev->mdev.devnode))
- media_device_unregister(&dev->mdev);
media_device_cleanup(&dev->mdev);
#endif

@@ -1885,6 +1881,15 @@ static void uvc_unregister_video(struct uvc_device *dev)

uvc_debugfs_cleanup_stream(stream);
}
+
+ uvc_status_unregister(dev);
+
+ if (dev->vdev.dev)
+ v4l2_device_unregister(&dev->vdev);
+#ifdef CONFIG_MEDIA_CONTROLLER
+ if (media_devnode_is_registered(dev->mdev.devnode))
+ media_device_unregister(&dev->mdev);
+#endif
}

int uvc_register_video_device(struct uvc_device *dev,
diff --git a/drivers/media/usb/uvc/uvc_status.c b/drivers/media/usb/uvc/uvc_status.c
index 0722dc684378..883e4cab45e7 100644
--- a/drivers/media/usb/uvc/uvc_status.c
+++ b/drivers/media/usb/uvc/uvc_status.c
@@ -54,7 +54,7 @@ static int uvc_input_init(struct uvc_device *dev)
return ret;
}

-static void uvc_input_cleanup(struct uvc_device *dev)
+static void uvc_input_unregister(struct uvc_device *dev)
{
if (dev->input)
input_unregister_device(dev->input);
@@ -71,7 +71,7 @@ static void uvc_input_report_key(struct uvc_device *dev, unsigned int code,

#else
#define uvc_input_init(dev)
-#define uvc_input_cleanup(dev)
+#define uvc_input_unregister(dev)
#define uvc_input_report_key(dev, code, value)
#endif /* CONFIG_USB_VIDEO_CLASS_INPUT_EVDEV */

@@ -292,12 +292,16 @@ int uvc_status_init(struct uvc_device *dev)
return 0;
}

-void uvc_status_cleanup(struct uvc_device *dev)
+void uvc_status_unregister(struct uvc_device *dev)
{
usb_kill_urb(dev->int_urb);
+ uvc_input_unregister(dev);
+}
+
+void uvc_status_cleanup(struct uvc_device *dev)
+{
usb_free_urb(dev->int_urb);
kfree(dev->status);
- uvc_input_cleanup(dev);
}

int uvc_status_start(struct uvc_device *dev, gfp_t flags)
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index e5f5d84f1d1d..a738486fd9d6 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -750,6 +750,7 @@ int uvc_register_video_device(struct uvc_device *dev,

/* Status */
int uvc_status_init(struct uvc_device *dev);
+void uvc_status_unregister(struct uvc_device *dev);
void uvc_status_cleanup(struct uvc_device *dev);
int uvc_status_start(struct uvc_device *dev, gfp_t flags);
void uvc_status_stop(struct uvc_device *dev);
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index be53044086c7..fbc56ee99682 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -1954,13 +1954,14 @@ static void atmci_tasklet_func(unsigned long priv)
}

atmci_request_end(host, host->mrq);
- state = STATE_IDLE;
+ goto unlock; /* atmci_request_end() sets host->state */
break;
}
} while (state != prev_state);

host->state = state;

+unlock:
spin_unlock(&host->lock);
}

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 8da3d39e3218..258918d8a416 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2391,6 +2391,107 @@ static int mv88e6xxx_stats_setup(struct mv88e6xxx_chip *chip)
return mv88e6xxx_g1_stats_clear(chip);
}

+/* The mv88e6390 has some hidden registers used for debug and
+ * development. The errata also makes use of them.
+ */
+static int mv88e6390_hidden_write(struct mv88e6xxx_chip *chip, int port,
+ int reg, u16 val)
+{
+ u16 ctrl;
+ int err;
+
+ err = mv88e6xxx_port_write(chip, PORT_RESERVED_1A_DATA_PORT,
+ PORT_RESERVED_1A, val);
+ if (err)
+ return err;
+
+ ctrl = PORT_RESERVED_1A_BUSY | PORT_RESERVED_1A_WRITE |
+ PORT_RESERVED_1A_BLOCK | port << PORT_RESERVED_1A_PORT_SHIFT |
+ reg;
+
+ return mv88e6xxx_port_write(chip, PORT_RESERVED_1A_CTRL_PORT,
+ PORT_RESERVED_1A, ctrl);
+}
+
+static int mv88e6390_hidden_wait(struct mv88e6xxx_chip *chip)
+{
+ return mv88e6xxx_wait(chip, PORT_RESERVED_1A_CTRL_PORT,
+ PORT_RESERVED_1A, PORT_RESERVED_1A_BUSY);
+}
+
+
+static int mv88e6390_hidden_read(struct mv88e6xxx_chip *chip, int port,
+ int reg, u16 *val)
+{
+ u16 ctrl;
+ int err;
+
+ ctrl = PORT_RESERVED_1A_BUSY | PORT_RESERVED_1A_READ |
+ PORT_RESERVED_1A_BLOCK | port << PORT_RESERVED_1A_PORT_SHIFT |
+ reg;
+
+ err = mv88e6xxx_port_write(chip, PORT_RESERVED_1A_CTRL_PORT,
+ PORT_RESERVED_1A, ctrl);
+ if (err)
+ return err;
+
+ err = mv88e6390_hidden_wait(chip);
+ if (err)
+ return err;
+
+ return mv88e6xxx_port_read(chip, PORT_RESERVED_1A_DATA_PORT,
+ PORT_RESERVED_1A, val);
+}
+
+/* Check if the errata has already been applied. */
+static bool mv88e6390_setup_errata_applied(struct mv88e6xxx_chip *chip)
+{
+ int port;
+ int err;
+ u16 val;
+
+ for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
+ err = mv88e6390_hidden_read(chip, port, 0, &val);
+ if (err) {
+ dev_err(chip->dev,
+ "Error reading hidden register: %d\n", err);
+ return false;
+ }
+ if (val != 0x01c0)
+ return false;
+ }
+
+ return true;
+}
+
+/* The 6390 copper ports have an errata which require poking magic
+ * values into undocumented hidden registers and then performing a
+ * software reset.
+ */
+static int mv88e6390_setup_errata(struct mv88e6xxx_chip *chip)
+{
+ int port;
+ int err;
+
+ if (mv88e6390_setup_errata_applied(chip))
+ return 0;
+
+ /* Set the ports into blocking mode */
+ for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
+ err = mv88e6xxx_port_set_state(chip, port, BR_STATE_DISABLED);
+ if (err)
+ return err;
+ }
+
+ for (port = 0; port < mv88e6xxx_num_ports(chip); port++) {
+ err = mv88e6390_hidden_write(chip, port, 0, 0x01c0);
+ if (err)
+ return err;
+ }
+
+ return mv88e6xxx_software_reset(chip);
+}
+
static int mv88e6xxx_setup(struct dsa_switch *ds)
{
struct mv88e6xxx_chip *chip = ds->priv;
@@ -2403,6 +2504,12 @@ static int mv88e6xxx_setup(struct dsa_switch *ds)

mutex_lock(&chip->reg_lock);

+ if (chip->info->ops->setup_errata) {
+ err = chip->info->ops->setup_errata(chip);
+ if (err)
+ goto unlock;
+ }
+
/* Cache the cmode of each port. */
for (i = 0; i < mv88e6xxx_num_ports(chip); i++) {
if (chip->info->ops->port_get_cmode) {
@@ -3201,6 +3308,7 @@ static const struct mv88e6xxx_ops mv88e6185_ops = {

static const struct mv88e6xxx_ops mv88e6190_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
@@ -3243,6 +3351,7 @@ static const struct mv88e6xxx_ops mv88e6190_ops = {

static const struct mv88e6xxx_ops mv88e6190x_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
@@ -3285,6 +3394,7 @@ static const struct mv88e6xxx_ops mv88e6190x_ops = {

static const struct mv88e6xxx_ops mv88e6191_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
@@ -3374,6 +3484,7 @@ static const struct mv88e6xxx_ops mv88e6240_ops = {

static const struct mv88e6xxx_ops mv88e6290_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
@@ -3675,6 +3786,7 @@ static const struct mv88e6xxx_ops mv88e6352_ops = {

static const struct mv88e6xxx_ops mv88e6390_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
@@ -3722,6 +3834,7 @@ static const struct mv88e6xxx_ops mv88e6390_ops = {

static const struct mv88e6xxx_ops mv88e6390x_ops = {
/* MV88E6XXX_FAMILY_6390 */
+ .setup_errata = mv88e6390_setup_errata,
.irl_init_all = mv88e6390_g2_irl_init_all,
.get_eeprom = mv88e6xxx_g2_get_eeprom8,
.set_eeprom = mv88e6xxx_g2_set_eeprom8,
diff --git a/drivers/net/dsa/mv88e6xxx/chip.h b/drivers/net/dsa/mv88e6xxx/chip.h
index f9ecb7872d32..546651d8c3e1 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.h
+++ b/drivers/net/dsa/mv88e6xxx/chip.h
@@ -300,6 +300,11 @@ struct mv88e6xxx_mdio_bus {
};

struct mv88e6xxx_ops {
+ /* Switch Setup Errata, called early in the switch setup to
+ * allow any errata actions to be performed
+ */
+ int (*setup_errata)(struct mv88e6xxx_chip *chip);
+
int (*ieee_pri_map)(struct mv88e6xxx_chip *chip);
int (*ip_pri_map)(struct mv88e6xxx_chip *chip);

diff --git a/drivers/net/dsa/mv88e6xxx/port.h b/drivers/net/dsa/mv88e6xxx/port.h
index f32f56af8e35..b31910023bb6 100644
--- a/drivers/net/dsa/mv88e6xxx/port.h
+++ b/drivers/net/dsa/mv88e6xxx/port.h
@@ -251,6 +251,16 @@
/* Offset 0x19: Port IEEE Priority Remapping Registers (4-7) */
#define MV88E6095_PORT_IEEE_PRIO_REMAP_4567 0x19

+/* Offset 0x1a: Magic undocumented errata register */
+#define PORT_RESERVED_1A 0x1a
+#define PORT_RESERVED_1A_BUSY BIT(15)
+#define PORT_RESERVED_1A_WRITE BIT(14)
+#define PORT_RESERVED_1A_READ 0
+#define PORT_RESERVED_1A_PORT_SHIFT 5
+#define PORT_RESERVED_1A_BLOCK (0xf << 10)
+#define PORT_RESERVED_1A_CTRL_PORT 4
+#define PORT_RESERVED_1A_DATA_PORT 5
+
int mv88e6xxx_port_read(struct mv88e6xxx_chip *chip, int port, int reg,
u16 *val);
int mv88e6xxx_port_write(struct mv88e6xxx_chip *chip, int port, int reg,
diff --git a/drivers/net/ethernet/intel/e1000e/ptp.c b/drivers/net/ethernet/intel/e1000e/ptp.c
index 37c76945ad9b..e1f821edbc21 100644
--- a/drivers/net/ethernet/intel/e1000e/ptp.c
+++ b/drivers/net/ethernet/intel/e1000e/ptp.c
@@ -173,10 +173,14 @@ static int e1000e_phc_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts)
struct e1000_adapter *adapter = container_of(ptp, struct e1000_adapter,
ptp_clock_info);
unsigned long flags;
- u64 ns;
+ u64 cycles, ns;

spin_lock_irqsave(&adapter->systim_lock, flags);
- ns = timecounter_read(&adapter->tc);
+
+ /* Use timecounter_cyc2time() to allow non-monotonic SYSTIM readings */
+ cycles = adapter->cc.read(&adapter->cc);
+ ns = timecounter_cyc2time(&adapter->tc, cycles);
+
spin_unlock_irqrestore(&adapter->systim_lock, flags);

*ts = ns_to_timespec64(ns);
@@ -232,9 +236,12 @@ static void e1000e_systim_overflow_work(struct work_struct *work)
systim_overflow_work.work);
struct e1000_hw *hw = &adapter->hw;
struct timespec64 ts;
+ u64 ns;

- adapter->ptp_clock_info.gettime64(&adapter->ptp_clock_info, &ts);
+ /* Update the timecounter */
+ ns = timecounter_read(&adapter->tc);

+ ts = ns_to_timespec64(ns);
e_dbg("SYSTIM overflow check at %lld.%09lu\n",
(long long) ts.tv_sec, ts.tv_nsec);

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
index add124e0381d..b27f7a968820 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ipsec.c
@@ -4,6 +4,7 @@
#include "ixgbe.h"
#include <net/xfrm.h>
#include <crypto/aead.h>
+#include <linux/if_bridge.h>

/**
* ixgbe_ipsec_set_tx_sa - set the Tx SA registers
@@ -676,7 +677,8 @@ static int ixgbe_ipsec_add_sa(struct xfrm_state *xs)
} else {
struct tx_sa tsa;

- if (adapter->num_vfs)
+ if (adapter->num_vfs &&
+ adapter->bridge_mode != BRIDGE_MODE_VEPA)
return -EOPNOTSUPP;

/* find the first unused index */
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index 3d1159f8a53f..de821a9fdfaf 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -4635,12 +4635,15 @@ static int mlxsw_sp_netdevice_port_upper_event(struct net_device *lower_dev,
lower_dev,
upper_dev);
} else if (netif_is_lag_master(upper_dev)) {
- if (info->linking)
+ if (info->linking) {
err = mlxsw_sp_port_lag_join(mlxsw_sp_port,
upper_dev);
- else
+ } else {
+ mlxsw_sp_port_lag_tx_en_set(mlxsw_sp_port,
+ false);
mlxsw_sp_port_lag_leave(mlxsw_sp_port,
upper_dev);
+ }
} else if (netif_is_ovs_master(upper_dev)) {
if (info->linking)
err = mlxsw_sp_port_ovs_join(mlxsw_sp_port);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 4eb64cb0d9a1..0d9ea37c5d21 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -1761,7 +1761,7 @@ static void
mlxsw_sp_bridge_port_vlan_del(struct mlxsw_sp_port *mlxsw_sp_port,
struct mlxsw_sp_bridge_port *bridge_port, u16 vid)
{
- u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : vid;
+ u16 pvid = mlxsw_sp_port->pvid == vid ? 0 : mlxsw_sp_port->pvid;
struct mlxsw_sp_port_vlan *mlxsw_sp_port_vlan;

mlxsw_sp_port_vlan = mlxsw_sp_port_vlan_find_by_vid(mlxsw_sp_port, vid);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 07f3080eca18..5f45ffeeecb4 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -214,6 +214,8 @@ enum cfg_version {
};

static const struct pci_device_id rtl8169_pci_tbl[] = {
+ { PCI_VDEVICE(REALTEK, 0x2502), RTL_CFG_1 },
+ { PCI_VDEVICE(REALTEK, 0x2600), RTL_CFG_1 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8129), 0, 0, RTL_CFG_0 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8136), 0, 0, RTL_CFG_2 },
{ PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8161), 0, 0, RTL_CFG_1 },
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 774e1ff01c9a..735ad838e2ba 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -123,6 +123,7 @@ static void qmimux_setup(struct net_device *dev)
dev->addr_len = 0;
dev->flags = IFF_POINTOPOINT | IFF_NOARP | IFF_MULTICAST;
dev->netdev_ops = &qmimux_netdev_ops;
+ dev->mtu = 1500;
dev->needs_free_netdev = true;
}

diff --git a/drivers/net/wireless/ath/ath10k/debugfs_sta.c b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
index a63c97e2c50c..6f10331e986b 100644
--- a/drivers/net/wireless/ath/ath10k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath10k/debugfs_sta.c
@@ -71,7 +71,7 @@ void ath10k_sta_update_rx_tid_stats_ampdu(struct ath10k *ar, u16 peer_id, u8 tid
spin_lock_bh(&ar->data_lock);

peer = ath10k_peer_find_by_id(ar, peer_id);
- if (!peer)
+ if (!peer || !peer->sta)
goto out;

arsta = (struct ath10k_sta *)peer->sta->drv_priv;
diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 4d1cd90d6d27..03d4cc6f35bc 100644
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -2589,7 +2589,7 @@ static void ath10k_htt_fetch_peer_stats(struct ath10k *ar,
rcu_read_lock();
spin_lock_bh(&ar->data_lock);
peer = ath10k_peer_find_by_id(ar, peer_id);
- if (!peer) {
+ if (!peer || !peer->sta) {
ath10k_warn(ar, "Invalid peer id %d peer stats buffer\n",
peer_id);
goto out;
@@ -2642,7 +2642,7 @@ static void ath10k_fetch_10_2_tx_stats(struct ath10k *ar, u8 *data)
rcu_read_lock();
spin_lock_bh(&ar->data_lock);
peer = ath10k_peer_find_by_id(ar, peer_id);
- if (!peer) {
+ if (!peer || !peer->sta) {
ath10k_warn(ar, "Invalid peer id %d in peer stats buffer\n",
peer_id);
goto out;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index afed549f5645..9a764af30f36 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -2938,7 +2938,8 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}

- iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+ iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+ false);
ret = iwl_mvm_update_sta(mvm, vif, sta);
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTHORIZED) {
@@ -2954,7 +2955,8 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));

- iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+ iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+ true);

ret = 0;
} else if (old_state == IEEE80211_STA_AUTHORIZED &&
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index b3987a0a7018..6b65ad6c9b56 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -1685,7 +1685,7 @@ iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
#endif /* CONFIG_IWLWIFI_DEBUGFS */

/* rate scaling */
-int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
+int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync);
void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
void rs_update_last_rssi(struct iwl_mvm *mvm,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index f2830b5693d2..6b9c670fcef8 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -1280,7 +1280,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
(unsigned long)(lq_sta->last_tx +
(IWL_MVM_RS_IDLE_TIMEOUT * HZ)))) {
IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n");
- iwl_mvm_rs_rate_init(mvm, sta, info->band);
+ iwl_mvm_rs_rate_init(mvm, sta, info->band, true);
return;
}
lq_sta->last_tx = jiffies;
@@ -2870,9 +2870,8 @@ void rs_update_last_rssi(struct iwl_mvm *mvm,
static void rs_initialize_lq(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct iwl_lq_sta *lq_sta,
- enum nl80211_band band)
+ enum nl80211_band band, bool update)
{
- struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_scale_tbl_info *tbl;
struct rs_rate *rate;
u8 active_tbl = 0;
@@ -2901,8 +2900,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
rs_set_expected_tpt_table(lq_sta, tbl);
rs_fill_lq_cmd(mvm, sta, lq_sta, rate);
/* TODO restore station should remember the lq cmd */
- iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq,
- mvmsta->sta_state < IEEE80211_STA_AUTHORIZED);
+ iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, !update);
}

static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
@@ -3155,7 +3153,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
* Called after adding a new station to initialize rate scaling
*/
static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band)
+ enum nl80211_band band, bool update)
{
int i, j;
struct ieee80211_hw *hw = mvm->hw;
@@ -3235,7 +3233,7 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
#ifdef CONFIG_IWLWIFI_DEBUGFS
iwl_mvm_reset_frame_stats(mvm);
#endif
- rs_initialize_lq(mvm, sta, lq_sta, band);
+ rs_initialize_lq(mvm, sta, lq_sta, band, update);
}

static void rs_drv_rate_update(void *mvm_r,
@@ -3255,7 +3253,7 @@ static void rs_drv_rate_update(void *mvm_r,
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
ieee80211_stop_tx_ba_session(sta, tid);

- iwl_mvm_rs_rate_init(mvm, sta, sband->band);
+ iwl_mvm_rs_rate_init(mvm, sta, sband->band, true);
}

#ifdef CONFIG_MAC80211_DEBUGFS
@@ -4112,12 +4110,12 @@ static const struct rate_control_ops rs_mvm_ops_drv = {
};

void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band)
+ enum nl80211_band band, bool update)
{
if (iwl_mvm_has_tlc_offload(mvm))
rs_fw_rate_init(mvm, sta, band);
else
- rs_drv_rate_init(mvm, sta, band);
+ rs_drv_rate_init(mvm, sta, band, update);
}

int iwl_mvm_rate_control_register(void)
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
index d2cf484e2b73..8e7f993e2911 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.h
@@ -420,7 +420,7 @@ struct iwl_lq_sta {

/* Initialize station's rate scaling information after adding station */
void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band);
+ enum nl80211_band band, bool init);

/* Notify RS about Tx status */
void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
index b002a7afb5f5..6a5349401aa9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c
@@ -900,20 +900,19 @@ int iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue, int mac80211_queue,

/**
* iwl_mvm_send_lq_cmd() - Send link quality command
- * @init: This command is sent as part of station initialization right
- * after station has been added.
+ * @sync: This command can be sent synchronously.
*
* The link quality command is sent as the last step of station creation.
* This is the special case in which init is set and we call a callback in
* this case to clear the state indicating that station creation is in
* progress.
*/
-int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
+int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool sync)
{
struct iwl_host_cmd cmd = {
.id = LQ_CMD,
.len = { sizeof(struct iwl_lq_cmd), },
- .flags = init ? 0 : CMD_ASYNC,
+ .flags = sync ? 0 : CMD_ASYNC,
.data = { lq, },
};

diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index eda57ef12fd0..baa9cee6fa2c 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -378,7 +378,9 @@ static int add_changeset_node(struct overlay_changeset *ovcs,
if (ret)
return ret;

- return build_changeset_next_level(ovcs, tchild, node);
+ ret = build_changeset_next_level(ovcs, tchild, node);
+ of_node_put(tchild);
+ return ret;
}

if (node->phandle && tchild->phandle)
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 2d6e272315a8..db3556dc90d1 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -2231,7 +2231,8 @@ static int asus_wmi_add(struct platform_device *pdev)
err = asus_wmi_backlight_init(asus);
if (err && err != -ENODEV)
goto fail_backlight;
- }
+ } else
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);

status = wmi_install_notify_handler(asus->driver->event_guid,
asus_wmi_notify, asus);
diff --git a/drivers/scsi/megaraid/megaraid_sas_fp.c b/drivers/scsi/megaraid/megaraid_sas_fp.c
index 59ecbb3b53b5..a33628550425 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fp.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fp.c
@@ -1266,7 +1266,7 @@ void mr_update_load_balance_params(struct MR_DRV_RAID_MAP_ALL *drv_map,

for (ldCount = 0; ldCount < MAX_LOGICAL_DRIVES_EXT; ldCount++) {
ld = MR_TargetIdToLdGet(ldCount, drv_map);
- if (ld >= MAX_LOGICAL_DRIVES_EXT) {
+ if (ld >= MAX_LOGICAL_DRIVES_EXT - 1) {
lbInfo[ldCount].loadBalanceFlag = 0;
continue;
}
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index c7f95bace353..f45c54f02bfa 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2832,7 +2832,7 @@ static void megasas_build_ld_nonrw_fusion(struct megasas_instance *instance,
device_id < instance->fw_supported_vd_count)) {

ld = MR_TargetIdToLdGet(device_id, local_map_ptr);
- if (ld >= instance->fw_supported_vd_count)
+ if (ld >= instance->fw_supported_vd_count - 1)
fp_possible = 0;
else {
raid = MR_LdRaidGet(ld, local_map_ptr);
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 59d7844ee022..b59bba3e6516 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -3344,8 +3344,9 @@ _base_mpi_ep_writeq(__u64 b, volatile void __iomem *addr,
static inline void
_base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
{
+ wmb();
__raw_writeq(b, addr);
- mmiowb();
+ barrier();
}
#else
static inline void
diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c
index e5bd035ebad0..4de740da547b 100644
--- a/drivers/scsi/qedi/qedi_main.c
+++ b/drivers/scsi/qedi/qedi_main.c
@@ -952,6 +952,9 @@ static int qedi_find_boot_info(struct qedi_ctx *qedi,
cls_sess = iscsi_conn_to_session(cls_conn);
sess = cls_sess->dd_data;

+ if (!iscsi_is_session_online(cls_sess))
+ continue;
+
if (pri_ctrl_flags) {
if (!strcmp(pri_tgt->iscsi_name, sess->targetname) &&
!strcmp(pri_tgt->ip_addr, ep_ip_addr)) {
diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c
index 2112ea6723c6..8c1a232ac6bf 100644
--- a/drivers/scsi/smartpqi/smartpqi_init.c
+++ b/drivers/scsi/smartpqi/smartpqi_init.c
@@ -2720,6 +2720,9 @@ static unsigned int pqi_process_io_intr(struct pqi_ctrl_info *ctrl_info,
switch (response->header.iu_type) {
case PQI_RESPONSE_IU_RAID_PATH_IO_SUCCESS:
case PQI_RESPONSE_IU_AIO_PATH_IO_SUCCESS:
+ if (io_request->scmd)
+ io_request->scmd->result = 0;
+ /* fall through */
case PQI_RESPONSE_IU_GENERAL_MANAGEMENT:
break;
case PQI_RESPONSE_IU_TASK_MANAGEMENT:
@@ -6686,6 +6689,7 @@ static void pqi_shutdown(struct pci_dev *pci_dev)
* storage.
*/
rc = pqi_flush_cache(ctrl_info, SHUTDOWN);
+ pqi_free_interrupts(ctrl_info);
pqi_reset(ctrl_info);
if (rc == 0)
return;
diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c
index 14da8cc2246a..0346630b67c8 100644
--- a/drivers/staging/erofs/unzip_vle.c
+++ b/drivers/staging/erofs/unzip_vle.c
@@ -724,13 +724,18 @@ static void z_erofs_vle_unzip_kickoff(void *ptr, int bios)
struct z_erofs_vle_unzip_io *io = tagptr_unfold_ptr(t);
bool background = tagptr_unfold_tags(t);

- if (atomic_add_return(bios, &io->pending_bios))
+ if (!background) {
+ unsigned long flags;
+
+ spin_lock_irqsave(&io->u.wait.lock, flags);
+ if (!atomic_add_return(bios, &io->pending_bios))
+ wake_up_locked(&io->u.wait);
+ spin_unlock_irqrestore(&io->u.wait.lock, flags);
return;
+ }

- if (background)
+ if (!atomic_add_return(bios, &io->pending_bios))
queue_work(z_erofs_workqueue, &io->u.work);
- else
- wake_up(&io->u.wait);
}

static inline void z_erofs_vle_read_endio(struct bio *bio)
diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c
index cb0461a10808..93424db5f002 100644
--- a/drivers/target/target_core_spc.c
+++ b/drivers/target/target_core_spc.c
@@ -108,12 +108,17 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, unsigned char *buf)

buf[7] = 0x2; /* CmdQue=1 */

- memcpy(&buf[8], "LIO-ORG ", 8);
- memset(&buf[16], 0x20, 16);
+ /*
+ * ASCII data fields described as being left-aligned shall have any
+ * unused bytes at the end of the field (i.e., highest offset) and the
+ * unused bytes shall be filled with ASCII space characters (20h).
+ */
+ memset(&buf[8], 0x20, 8 + 16 + 4);
+ memcpy(&buf[8], "LIO-ORG", sizeof("LIO-ORG") - 1);
memcpy(&buf[16], dev->t10_wwn.model,
- min_t(size_t, strlen(dev->t10_wwn.model), 16));
+ strnlen(dev->t10_wwn.model, 16));
memcpy(&buf[32], dev->t10_wwn.revision,
- min_t(size_t, strlen(dev->t10_wwn.revision), 4));
+ strnlen(dev->t10_wwn.revision, 4));
buf[4] = 31; /* Set additional length to 31 */

return 0;
@@ -251,7 +256,9 @@ spc_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
buf[off] = 0x2; /* ASCII */
buf[off+1] = 0x1; /* T10 Vendor ID */
buf[off+2] = 0x0;
- memcpy(&buf[off+4], "LIO-ORG", 8);
+ /* left align Vendor ID and pad with spaces */
+ memset(&buf[off+4], 0x20, 8);
+ memcpy(&buf[off+4], "LIO-ORG", sizeof("LIO-ORG") - 1);
/* Extra Byte for NULL Terminator */
id_len++;
/* Identifier Length */
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index fc3093d21b96..3f7aad45d215 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -224,19 +224,28 @@ void transport_subsystem_check_init(void)
sub_api_initialized = 1;
}

+static void target_release_sess_cmd_refcnt(struct percpu_ref *ref)
+{
+ struct se_session *sess = container_of(ref, typeof(*sess), cmd_count);
+
+ wake_up(&sess->cmd_list_wq);
+}
+
/**
* transport_init_session - initialize a session object
* @se_sess: Session object pointer.
*
* The caller must have zero-initialized @se_sess before calling this function.
*/
-void transport_init_session(struct se_session *se_sess)
+int transport_init_session(struct se_session *se_sess)
{
INIT_LIST_HEAD(&se_sess->sess_list);
INIT_LIST_HEAD(&se_sess->sess_acl_list);
INIT_LIST_HEAD(&se_sess->sess_cmd_list);
spin_lock_init(&se_sess->sess_cmd_lock);
init_waitqueue_head(&se_sess->cmd_list_wq);
+ return percpu_ref_init(&se_sess->cmd_count,
+ target_release_sess_cmd_refcnt, 0, GFP_KERNEL);
}
EXPORT_SYMBOL(transport_init_session);

@@ -247,6 +256,7 @@ EXPORT_SYMBOL(transport_init_session);
struct se_session *transport_alloc_session(enum target_prot_op sup_prot_ops)
{
struct se_session *se_sess;
+ int ret;

se_sess = kmem_cache_zalloc(se_sess_cache, GFP_KERNEL);
if (!se_sess) {
@@ -254,7 +264,11 @@ struct se_session *transport_alloc_session(enum target_prot_op sup_prot_ops)
" se_sess_cache\n");
return ERR_PTR(-ENOMEM);
}
- transport_init_session(se_sess);
+ ret = transport_init_session(se_sess);
+ if (ret < 0) {
+ kfree(se_sess);
+ return ERR_PTR(ret);
+ }
se_sess->sup_prot_ops = sup_prot_ops;

return se_sess;
@@ -581,6 +595,7 @@ void transport_free_session(struct se_session *se_sess)
sbitmap_queue_free(&se_sess->sess_tag_pool);
kvfree(se_sess->sess_cmd_map);
}
+ percpu_ref_exit(&se_sess->cmd_count);
kmem_cache_free(se_sess_cache, se_sess);
}
EXPORT_SYMBOL(transport_free_session);
@@ -2724,6 +2739,7 @@ int target_get_sess_cmd(struct se_cmd *se_cmd, bool ack_kref)
}
se_cmd->transport_state |= CMD_T_PRE_EXECUTE;
list_add_tail(&se_cmd->se_cmd_list, &se_sess->sess_cmd_list);
+ percpu_ref_get(&se_sess->cmd_count);
out:
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);

@@ -2754,8 +2770,6 @@ static void target_release_cmd_kref(struct kref *kref)
if (se_sess) {
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
list_del_init(&se_cmd->se_cmd_list);
- if (se_sess->sess_tearing_down && list_empty(&se_sess->sess_cmd_list))
- wake_up(&se_sess->cmd_list_wq);
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
}

@@ -2763,6 +2777,8 @@ static void target_release_cmd_kref(struct kref *kref)
se_cmd->se_tfo->release_cmd(se_cmd);
if (compl)
complete(compl);
+
+ percpu_ref_put(&se_sess->cmd_count);
}

/**
@@ -2891,6 +2907,8 @@ void target_sess_cmd_list_set_waiting(struct se_session *se_sess)
spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
se_sess->sess_tearing_down = 1;
spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags);
+
+ percpu_ref_kill(&se_sess->cmd_count);
}
EXPORT_SYMBOL(target_sess_cmd_list_set_waiting);

@@ -2905,17 +2923,14 @@ void target_wait_for_sess_cmds(struct se_session *se_sess)

WARN_ON_ONCE(!se_sess->sess_tearing_down);

- spin_lock_irq(&se_sess->sess_cmd_lock);
do {
- ret = wait_event_lock_irq_timeout(
- se_sess->cmd_list_wq,
- list_empty(&se_sess->sess_cmd_list),
- se_sess->sess_cmd_lock, 180 * HZ);
+ ret = wait_event_timeout(se_sess->cmd_list_wq,
+ percpu_ref_is_zero(&se_sess->cmd_count),
+ 180 * HZ);
list_for_each_entry(cmd, &se_sess->sess_cmd_list, se_cmd_list)
target_show_cmd("session shutdown: still waiting for ",
cmd);
} while (ret <= 0);
- spin_unlock_irq(&se_sess->sess_cmd_lock);
}
EXPORT_SYMBOL(target_wait_for_sess_cmds);

diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index 2718a933c0c6..7cdb5d7f6538 100644
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -480,6 +480,8 @@ static const struct target_core_fabric_ops xcopy_pt_tfo = {

int target_xcopy_setup_pt(void)
{
+ int ret;
+
xcopy_wq = alloc_workqueue("xcopy_wq", WQ_MEM_RECLAIM, 0);
if (!xcopy_wq) {
pr_err("Unable to allocate xcopy_wq\n");
@@ -497,7 +499,9 @@ int target_xcopy_setup_pt(void)
INIT_LIST_HEAD(&xcopy_pt_nacl.acl_list);
INIT_LIST_HEAD(&xcopy_pt_nacl.acl_sess_list);
memset(&xcopy_pt_sess, 0, sizeof(struct se_session));
- transport_init_session(&xcopy_pt_sess);
+ ret = transport_init_session(&xcopy_pt_sess);
+ if (ret < 0)
+ return ret;

xcopy_pt_nacl.se_tpg = &xcopy_pt_tpg;
xcopy_pt_nacl.nacl_sess = &xcopy_pt_sess;
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index ebd33c0232e6..89ade213a1a9 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2780,6 +2780,7 @@ static struct platform_driver arm_sbsa_uart_platform_driver = {
.name = "sbsa-uart",
.of_match_table = of_match_ptr(sbsa_uart_of_match),
.acpi_match_table = ACPI_PTR(sbsa_uart_acpi_match),
+ .suppress_bind_attrs = IS_BUILTIN(CONFIG_SERIAL_AMBA_PL011),
},
};

@@ -2808,6 +2809,7 @@ static struct amba_driver pl011_driver = {
.drv = {
.name = "uart-pl011",
.pm = &pl011_dev_pm_ops,
+ .suppress_bind_attrs = IS_BUILTIN(CONFIG_SERIAL_AMBA_PL011),
},
.id_table = pl011_ids,
.probe = pl011_probe,
diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c
index fd80d999308d..0bdf1687983f 100644
--- a/drivers/tty/serial/pic32_uart.c
+++ b/drivers/tty/serial/pic32_uart.c
@@ -919,6 +919,7 @@ static struct platform_driver pic32_uart_platform_driver = {
.driver = {
.name = PIC32_DEV_NAME,
.of_match_table = of_match_ptr(pic32_serial_dt_ids),
+ .suppress_bind_attrs = IS_BUILTIN(CONFIG_SERIAL_PIC32),
},
};

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 80bb56facfb6..ad126f51d549 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -205,10 +205,15 @@ static int uart_port_startup(struct tty_struct *tty, struct uart_state *state,
if (!state->xmit.buf) {
state->xmit.buf = (unsigned char *) page;
uart_circ_clear(&state->xmit);
+ uart_port_unlock(uport, flags);
} else {
+ uart_port_unlock(uport, flags);
+ /*
+ * Do not free() the page under the port lock, see
+ * uart_shutdown().
+ */
free_page(page);
}
- uart_port_unlock(uport, flags);

retval = uport->ops->startup(uport);
if (retval == 0) {
@@ -268,6 +273,7 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
struct uart_port *uport = uart_port_check(state);
struct tty_port *port = &state->port;
unsigned long flags = 0;
+ char *xmit_buf = NULL;

/*
* Set the TTY IO error marker
@@ -298,14 +304,18 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state)
tty_port_set_suspended(port, 0);

/*
- * Free the transmit buffer page.
+ * Do not free() the transmit buffer page under the port lock since
+ * this can create various circular locking scenarios. For instance,
+ * console driver may need to allocate/free a debug object, which
+ * can endup in printk() recursion.
*/
uart_port_lock(state, flags);
- if (state->xmit.buf) {
- free_page((unsigned long)state->xmit.buf);
- state->xmit.buf = NULL;
- }
+ xmit_buf = state->xmit.buf;
+ state->xmit.buf = NULL;
uart_port_unlock(uport, flags);
+
+ if (xmit_buf)
+ free_page((unsigned long)xmit_buf);
}

/**
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 6ed74735b58c..87d8dd90d605 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -1608,6 +1608,7 @@ static struct platform_driver cdns_uart_platform_driver = {
.name = CDNS_UART_NAME,
.of_match_table = cdns_uart_of_match,
.pm = &cdns_uart_dev_pm_ops,
+ .suppress_bind_attrs = IS_BUILTIN(CONFIG_SERIAL_XILINX_PS_UART),
},
};

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 67d8a501d994..fea02c7ad4f4 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -358,6 +358,7 @@ struct renesas_usb3 {
bool extcon_host; /* check id and set EXTCON_USB_HOST */
bool extcon_usb; /* check vbus and set EXTCON_USB */
bool forced_b_device;
+ bool start_to_connect;
};

#define gadget_to_renesas_usb3(_gadget) \
@@ -476,7 +477,8 @@ static void usb3_init_axi_bridge(struct renesas_usb3 *usb3)
static void usb3_init_epc_registers(struct renesas_usb3 *usb3)
{
usb3_write(usb3, ~0, USB3_USB_INT_STA_1);
- usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
+ if (!usb3->workaround_for_vbus)
+ usb3_enable_irq_1(usb3, USB_INT_1_VBUS_CNG);
}

static bool usb3_wakeup_usb2_phy(struct renesas_usb3 *usb3)
@@ -700,8 +702,7 @@ static void usb3_mode_config(struct renesas_usb3 *usb3, bool host, bool a_dev)
usb3_set_mode_by_role_sw(usb3, host);
usb3_vbus_out(usb3, a_dev);
/* for A-Peripheral or forced B-device mode */
- if ((!host && a_dev) ||
- (usb3->workaround_for_vbus && usb3->forced_b_device))
+ if ((!host && a_dev) || usb3->start_to_connect)
usb3_connect(usb3);
spin_unlock_irqrestore(&usb3->lock, flags);
}
@@ -2432,7 +2433,11 @@ static ssize_t renesas_usb3_b_device_write(struct file *file,
if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
return -EFAULT;

- if (!strncmp(buf, "1", 1))
+ usb3->start_to_connect = false;
+ if (usb3->workaround_for_vbus && usb3->forced_b_device &&
+ !strncmp(buf, "2", 1))
+ usb3->start_to_connect = true;
+ else if (!strncmp(buf, "1", 1))
usb3->forced_b_device = true;
else
usb3->forced_b_device = false;
@@ -2440,7 +2445,7 @@ static ssize_t renesas_usb3_b_device_write(struct file *file,
if (usb3->workaround_for_vbus)
usb3_disconnect(usb3);

- /* Let this driver call usb3_connect() anyway */
+ /* Let this driver call usb3_connect() if needed */
usb3_check_id(usb3);

return count;
diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index c74cc9c309b1..3457c1fdebd1 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -317,6 +317,9 @@ struct tcpm_port {
/* Deadline in jiffies to exit src_try_wait state */
unsigned long max_wait;

+ /* port belongs to a self powered device */
+ bool self_powered;
+
#ifdef CONFIG_DEBUG_FS
struct dentry *dentry;
struct mutex logbuffer_lock; /* log buffer access lock */
@@ -3257,7 +3260,8 @@ static void run_state_machine(struct tcpm_port *port)
case SRC_HARD_RESET_VBUS_OFF:
tcpm_set_vconn(port, true);
tcpm_set_vbus(port, false);
- tcpm_set_roles(port, false, TYPEC_SOURCE, TYPEC_HOST);
+ tcpm_set_roles(port, port->self_powered, TYPEC_SOURCE,
+ TYPEC_HOST);
tcpm_set_state(port, SRC_HARD_RESET_VBUS_ON, PD_T_SRC_RECOVER);
break;
case SRC_HARD_RESET_VBUS_ON:
@@ -3270,7 +3274,8 @@ static void run_state_machine(struct tcpm_port *port)
memset(&port->pps_data, 0, sizeof(port->pps_data));
tcpm_set_vconn(port, false);
tcpm_set_charge(port, false);
- tcpm_set_roles(port, false, TYPEC_SINK, TYPEC_DEVICE);
+ tcpm_set_roles(port, port->self_powered, TYPEC_SINK,
+ TYPEC_DEVICE);
/*
* VBUS may or may not toggle, depending on the adapter.
* If it doesn't toggle, transition to SNK_HARD_RESET_SINK_ON
@@ -4415,6 +4420,8 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
return -EINVAL;
port->operating_snk_mw = mw / 1000;

+ port->self_powered = fwnode_property_read_bool(fwnode, "self-powered");
+
return 0;
}

@@ -4723,6 +4730,7 @@ static int tcpm_copy_caps(struct tcpm_port *port,
port->typec_caps.prefer_role = tcfg->default_role;
port->typec_caps.type = tcfg->type;
port->typec_caps.data = tcfg->data;
+ port->self_powered = port->tcpc->config->self_powered;

return 0;
}
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c
index b2b283e48439..8fed470bb7e1 100644
--- a/fs/btrfs/dev-replace.c
+++ b/fs/btrfs/dev-replace.c
@@ -800,39 +800,58 @@ int btrfs_dev_replace_cancel(struct btrfs_fs_info *fs_info)
case BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED:
result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NOT_STARTED;
btrfs_dev_replace_write_unlock(dev_replace);
- goto leave;
+ break;
case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED:
+ result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
+ tgt_device = dev_replace->tgtdev;
+ src_device = dev_replace->srcdev;
+ btrfs_dev_replace_write_unlock(dev_replace);
+ btrfs_scrub_cancel(fs_info);
+ /* btrfs_dev_replace_finishing() will handle the cleanup part */
+ btrfs_info_in_rcu(fs_info,
+ "dev_replace from %s (devid %llu) to %s canceled",
+ btrfs_dev_name(src_device), src_device->devid,
+ btrfs_dev_name(tgt_device));
+ break;
case BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED:
+ /*
+ * Scrub doing the replace isn't running so we need to do the
+ * cleanup step of btrfs_dev_replace_finishing() here
+ */
result = BTRFS_IOCTL_DEV_REPLACE_RESULT_NO_ERROR;
tgt_device = dev_replace->tgtdev;
src_device = dev_replace->srcdev;
dev_replace->tgtdev = NULL;
dev_replace->srcdev = NULL;
- break;
- }
- dev_replace->replace_state = BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED;
- dev_replace->time_stopped = ktime_get_real_seconds();
- dev_replace->item_needs_writeback = 1;
- btrfs_dev_replace_write_unlock(dev_replace);
- btrfs_scrub_cancel(fs_info);
+ dev_replace->replace_state =
+ BTRFS_IOCTL_DEV_REPLACE_STATE_CANCELED;
+ dev_replace->time_stopped = ktime_get_real_seconds();
+ dev_replace->item_needs_writeback = 1;

- trans = btrfs_start_transaction(root, 0);
- if (IS_ERR(trans)) {
- mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
- return PTR_ERR(trans);
- }
- ret = btrfs_commit_transaction(trans);
- WARN_ON(ret);
+ btrfs_dev_replace_write_unlock(dev_replace);

- btrfs_info_in_rcu(fs_info,
- "dev_replace from %s (devid %llu) to %s canceled",
- btrfs_dev_name(src_device), src_device->devid,
- btrfs_dev_name(tgt_device));
+ btrfs_scrub_cancel(fs_info);
+
+ trans = btrfs_start_transaction(root, 0);
+ if (IS_ERR(trans)) {
+ mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
+ return PTR_ERR(trans);
+ }
+ ret = btrfs_commit_transaction(trans);
+ WARN_ON(ret);

- if (tgt_device)
- btrfs_destroy_dev_replace_tgtdev(tgt_device);
+ btrfs_info_in_rcu(fs_info,
+ "suspended dev_replace from %s (devid %llu) to %s canceled",
+ btrfs_dev_name(src_device), src_device->devid,
+ btrfs_dev_name(tgt_device));
+
+ if (tgt_device)
+ btrfs_destroy_dev_replace_tgtdev(tgt_device);
+ break;
+ default:
+ result = -EINVAL;
+ }

-leave:
mutex_unlock(&dev_replace->lock_finishing_cancel_unmount);
return result;
}
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4f6dc56b4f4d..83b3a626c796 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -6440,14 +6440,19 @@ int btrfs_add_link(struct btrfs_trans_handle *trans,
err = btrfs_del_root_ref(trans, key.objectid,
root->root_key.objectid, parent_ino,
&local_index, name, name_len);
-
+ if (err)
+ btrfs_abort_transaction(trans, err);
} else if (add_backref) {
u64 local_index;
int err;

err = btrfs_del_inode_ref(trans, root, name, name_len,
ino, parent_ino, &local_index);
+ if (err)
+ btrfs_abort_transaction(trans, err);
}
+
+ /* Return the original error code */
return ret;
}

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 223334f08530..0ee1cd4b56fb 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -4768,19 +4768,17 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans,
/*
* Use the number of data stripes to figure out how big this chunk
* is really going to be in terms of logical address space,
- * and compare that answer with the max chunk size
+ * and compare that answer with the max chunk size. If it's higher,
+ * we try to reduce stripe_size.
*/
if (stripe_size * data_stripes > max_chunk_size) {
- stripe_size = div_u64(max_chunk_size, data_stripes);
-
- /* bump the answer up to a 16MB boundary */
- stripe_size = round_up(stripe_size, SZ_16M);
-
/*
- * But don't go higher than the limits we found while searching
- * for free extents
+ * Reduce stripe_size, round it up to a 16MB boundary again and
+ * then use it, unless it ends up being even bigger than the
+ * previous value we had already.
*/
- stripe_size = min(devices_info[ndevs - 1].max_avail,
+ stripe_size = min(round_up(div_u64(max_chunk_size,
+ data_stripes), SZ_16M),
stripe_size);
}

@@ -7474,6 +7472,8 @@ int btrfs_verify_dev_extents(struct btrfs_fs_info *fs_info)
struct btrfs_path *path;
struct btrfs_root *root = fs_info->dev_root;
struct btrfs_key key;
+ u64 prev_devid = 0;
+ u64 prev_dev_ext_end = 0;
int ret = 0;

key.objectid = 1;
@@ -7518,10 +7518,22 @@ int btrfs_verify_dev_extents(struct btrfs_fs_info *fs_info)
chunk_offset = btrfs_dev_extent_chunk_offset(leaf, dext);
physical_len = btrfs_dev_extent_length(leaf, dext);

+ /* Check if this dev extent overlaps with the previous one */
+ if (devid == prev_devid && physical_offset < prev_dev_ext_end) {
+ btrfs_err(fs_info,
+"dev extent devid %llu physical offset %llu overlap with previous dev extent end %llu",
+ devid, physical_offset, prev_dev_ext_end);
+ ret = -EUCLEAN;
+ goto out;
+ }
+
ret = verify_one_dev_extent(fs_info, chunk_offset, devid,
physical_offset, physical_len);
if (ret < 0)
goto out;
+ prev_devid = devid;
+ prev_dev_ext_end = physical_offset + physical_len;
+
ret = btrfs_next_item(root, path);
if (ret < 0)
goto out;
diff --git a/fs/iomap.c b/fs/iomap.c
index ec15cf2ec696..e57fb1e534c5 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -488,16 +488,29 @@ iomap_readpages(struct address_space *mapping, struct list_head *pages,
}
EXPORT_SYMBOL_GPL(iomap_readpages);

+/*
+ * iomap_is_partially_uptodate checks whether blocks within a page are
+ * uptodate or not.
+ *
+ * Returns true if all blocks which correspond to a file portion
+ * we want to read within the page are uptodate.
+ */
int
iomap_is_partially_uptodate(struct page *page, unsigned long from,
unsigned long count)
{
struct iomap_page *iop = to_iomap_page(page);
struct inode *inode = page->mapping->host;
- unsigned first = from >> inode->i_blkbits;
- unsigned last = (from + count - 1) >> inode->i_blkbits;
+ unsigned len, first, last;
unsigned i;

+ /* Limit range to one page */
+ len = min_t(unsigned, PAGE_SIZE - from, count);
+
+ /* First and last blocks in range within page */
+ first = from >> inode->i_blkbits;
+ last = (from + len - 1) >> inode->i_blkbits;
+
if (iop) {
for (i = first; i <= last; i++)
if (!test_bit(i, iop->uptodate))
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 902a7dd10e5c..bb6ae387469f 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -101,7 +101,8 @@ static int jffs2_sync_fs(struct super_block *sb, int wait)
struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);

#ifdef CONFIG_JFFS2_FS_WRITEBUFFER
- cancel_delayed_work_sync(&c->wbuf_dwork);
+ if (jffs2_is_writebuffered(c))
+ cancel_delayed_work_sync(&c->wbuf_dwork);
#endif

mutex_lock(&c->alloc_sem);
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 7642b6712c39..30208233f65b 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -345,13 +345,18 @@ int ocfs2_load_local_alloc(struct ocfs2_super *osb)
if (num_used
|| alloc->id1.bitmap1.i_used
|| alloc->id1.bitmap1.i_total
- || la->la_bm_off)
- mlog(ML_ERROR, "Local alloc hasn't been recovered!\n"
+ || la->la_bm_off) {
+ mlog(ML_ERROR, "inconsistent detected, clean journal with"
+ " unrecovered local alloc, please run fsck.ocfs2!\n"
"found = %u, set = %u, taken = %u, off = %u\n",
num_used, le32_to_cpu(alloc->id1.bitmap1.i_used),
le32_to_cpu(alloc->id1.bitmap1.i_total),
OCFS2_LOCAL_ALLOC(alloc)->la_bm_off);

+ status = -EINVAL;
+ goto bail;
+ }
+
osb->local_alloc_bh = alloc_bh;
osb->local_alloc_state = OCFS2_LA_ENABLED;

diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 0792595ebcfb..3c777ec80d47 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -496,6 +496,11 @@ static int persistent_ram_post_init(struct persistent_ram_zone *prz, u32 sig,
sig ^= PERSISTENT_RAM_SIG;

if (prz->buffer->sig == sig) {
+ if (buffer_size(prz) == 0) {
+ pr_debug("found existing empty buffer\n");
+ return 0;
+ }
+
if (buffer_size(prz) > prz->buffer_size ||
buffer_start(prz) > buffer_size(prz))
pr_info("found existing invalid buffer, size %zu, start %zu\n",
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index f0cbf58ad4da..fd5dd806f1b9 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -791,7 +791,8 @@ static int quotactl_cmd_write(int cmd)
/* Return true if quotactl command is manipulating quota on/off state */
static bool quotactl_cmd_onoff(int cmd)
{
- return (cmd == Q_QUOTAON) || (cmd == Q_QUOTAOFF);
+ return (cmd == Q_QUOTAON) || (cmd == Q_QUOTAOFF) ||
+ (cmd == Q_XQUOTAON) || (cmd == Q_XQUOTAOFF);
}

/*
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 7a85e609fc27..d8b8323e80f4 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -736,10 +736,18 @@ void mremap_userfaultfd_prep(struct vm_area_struct *vma,
struct userfaultfd_ctx *ctx;

ctx = vma->vm_userfaultfd_ctx.ctx;
- if (ctx && (ctx->features & UFFD_FEATURE_EVENT_REMAP)) {
+
+ if (!ctx)
+ return;
+
+ if (ctx->features & UFFD_FEATURE_EVENT_REMAP) {
vm_ctx->ctx = ctx;
userfaultfd_ctx_get(ctx);
WRITE_ONCE(ctx->mmap_changing, true);
+ } else {
+ /* Drop uffd context if remap feature not enabled */
+ vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
+ vma->vm_flags &= ~(VM_UFFD_WP | VM_UFFD_MISSING);
}
}

diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h
index 9a6bc0951cfa..c31157135598 100644
--- a/include/linux/backing-dev-defs.h
+++ b/include/linux/backing-dev-defs.h
@@ -258,6 +258,14 @@ static inline void wb_get(struct bdi_writeback *wb)
*/
static inline void wb_put(struct bdi_writeback *wb)
{
+ if (WARN_ON_ONCE(!wb->bdi)) {
+ /*
+ * A driver bug might cause a file to be removed before bdi was
+ * initialized.
+ */
+ return;
+ }
+
if (wb != &wb->bdi->wb)
percpu_ref_put(&wb->refcnt);
}
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 6791a0ac0139..ec90d5255cf7 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -665,24 +665,10 @@ static inline u32 bpf_ctx_off_adjust_machine(u32 size)
return size;
}

-static inline bool bpf_ctx_narrow_align_ok(u32 off, u32 size_access,
- u32 size_default)
-{
- size_default = bpf_ctx_off_adjust_machine(size_default);
- size_access = bpf_ctx_off_adjust_machine(size_access);
-
-#ifdef __LITTLE_ENDIAN
- return (off & (size_default - 1)) == 0;
-#else
- return (off & (size_default - 1)) + size_access == size_default;
-#endif
-}
-
static inline bool
bpf_ctx_narrow_access_ok(u32 off, u32 size, u32 size_default)
{
- return bpf_ctx_narrow_align_ok(off, size, size_default) &&
- size <= size_default && (size & (size - 1)) == 0;
+ return size <= size_default && (size & (size - 1)) == 0;
}

#define bpf_classic_proglen(fprog) (fprog->len * sizeof(fprog->filter[0]))
diff --git a/include/linux/swap.h b/include/linux/swap.h
index 8e2c11e692ba..77221c16733a 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -232,7 +232,6 @@ struct swap_info_struct {
unsigned long flags; /* SWP_USED etc: see above */
signed short prio; /* swap priority of this type */
struct plist_node list; /* entry in swap_active_head */
- struct plist_node avail_lists[MAX_NUMNODES];/* entry in swap_avail_heads */
signed char type; /* strange name for an index */
unsigned int max; /* extent of the swap_map */
unsigned char *swap_map; /* vmalloc'ed array of usage counts */
@@ -273,6 +272,16 @@ struct swap_info_struct {
*/
struct work_struct discard_work; /* discard worker */
struct swap_cluster_list discard_clusters; /* discard clusters list */
+ struct plist_node avail_lists[0]; /*
+ * entries in swap_avail_heads, one
+ * entry per node.
+ * Must be last as the number of the
+ * array is nr_node_ids, which is not
+ * a fixed value so have to allocate
+ * dynamically.
+ * And it has to be an array so that
+ * plist_for_each_* can work.
+ */
};

#ifdef CONFIG_64BIT
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 7e7fbfb84e8e..50c74a77db55 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -89,6 +89,7 @@ struct tcpc_config {
enum typec_port_data data;
enum typec_role default_role;
bool try_role_hw; /* try.{src,snk} implemented in hardware */
+ bool self_powered; /* port belongs to a self powered device */

const struct typec_altmode_desc *alt_modes;
};
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 7a4ee7852ca4..2cfd3b4573b0 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -602,6 +602,7 @@ struct se_session {
struct se_node_acl *se_node_acl;
struct se_portal_group *se_tpg;
void *fabric_sess_ptr;
+ struct percpu_ref cmd_count;
struct list_head sess_list;
struct list_head sess_acl_list;
struct list_head sess_cmd_list;
diff --git a/include/target/target_core_fabric.h b/include/target/target_core_fabric.h
index f4147b398431..eb9d0923c55c 100644
--- a/include/target/target_core_fabric.h
+++ b/include/target/target_core_fabric.h
@@ -116,7 +116,7 @@ struct se_session *target_setup_session(struct se_portal_group *,
struct se_session *, void *));
void target_remove_session(struct se_session *);

-void transport_init_session(struct se_session *);
+int transport_init_session(struct se_session *se_sess);
struct se_session *transport_alloc_session(enum target_prot_op);
int transport_alloc_session_tags(struct se_session *, unsigned int,
unsigned int);
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 2954e4b3abd5..341806668f03 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -3285,12 +3285,15 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
return err;

if (BPF_SRC(insn->code) == BPF_X) {
+ struct bpf_reg_state *src_reg = regs + insn->src_reg;
+ struct bpf_reg_state *dst_reg = regs + insn->dst_reg;
+
if (BPF_CLASS(insn->code) == BPF_ALU64) {
/* case: R1 = R2
* copy register state to dest reg
*/
- regs[insn->dst_reg] = regs[insn->src_reg];
- regs[insn->dst_reg].live |= REG_LIVE_WRITTEN;
+ *dst_reg = *src_reg;
+ dst_reg->live |= REG_LIVE_WRITTEN;
} else {
/* R1 = (u32) R2 */
if (is_pointer_value(env, insn->src_reg)) {
@@ -3298,9 +3301,14 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn)
"R%d partial copy of pointer\n",
insn->src_reg);
return -EACCES;
+ } else if (src_reg->type == SCALAR_VALUE) {
+ *dst_reg = *src_reg;
+ dst_reg->live |= REG_LIVE_WRITTEN;
+ } else {
+ mark_reg_unknown(env, regs,
+ insn->dst_reg);
}
- mark_reg_unknown(env, regs, insn->dst_reg);
- coerce_reg_to_size(&regs[insn->dst_reg], 4);
+ coerce_reg_to_size(dst_reg, 4);
}
} else {
/* case: R = imm
@@ -5341,10 +5349,10 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env)
int i, cnt, size, ctx_field_size, delta = 0;
const int insn_cnt = env->prog->len;
struct bpf_insn insn_buf[16], *insn;
+ u32 target_size, size_default, off;
struct bpf_prog *new_prog;
enum bpf_access_type type;
bool is_narrower_load;
- u32 target_size;

if (ops->gen_prologue) {
cnt = ops->gen_prologue(insn_buf, env->seen_direct_write,
@@ -5421,9 +5429,9 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env)
* we will apply proper mask to the result.
*/
is_narrower_load = size < ctx_field_size;
+ size_default = bpf_ctx_off_adjust_machine(ctx_field_size);
+ off = insn->off;
if (is_narrower_load) {
- u32 size_default = bpf_ctx_off_adjust_machine(ctx_field_size);
- u32 off = insn->off;
u8 size_code;

if (type == BPF_WRITE) {
@@ -5451,12 +5459,23 @@ static int convert_ctx_accesses(struct bpf_verifier_env *env)
}

if (is_narrower_load && size < target_size) {
- if (ctx_field_size <= 4)
+ u8 shift = (off & (size_default - 1)) * 8;
+
+ if (ctx_field_size <= 4) {
+ if (shift)
+ insn_buf[cnt++] = BPF_ALU32_IMM(BPF_RSH,
+ insn->dst_reg,
+ shift);
insn_buf[cnt++] = BPF_ALU32_IMM(BPF_AND, insn->dst_reg,
(1 << size * 8) - 1);
- else
+ } else {
+ if (shift)
+ insn_buf[cnt++] = BPF_ALU64_IMM(BPF_RSH,
+ insn->dst_reg,
+ shift);
insn_buf[cnt++] = BPF_ALU64_IMM(BPF_AND, insn->dst_reg,
(1 << size * 8) - 1);
+ }
}

new_prog = bpf_patch_insn_data(env, i + delta, insn_buf, cnt);
diff --git a/mm/page-writeback.c b/mm/page-writeback.c
index 84ae9bf5858a..ea4fd3af3b4b 100644
--- a/mm/page-writeback.c
+++ b/mm/page-writeback.c
@@ -2156,6 +2156,7 @@ int write_cache_pages(struct address_space *mapping,
{
int ret = 0;
int done = 0;
+ int error;
struct pagevec pvec;
int nr_pages;
pgoff_t uninitialized_var(writeback_index);
@@ -2236,25 +2237,31 @@ int write_cache_pages(struct address_space *mapping,
goto continue_unlock;

trace_wbc_writepage(wbc, inode_to_bdi(mapping->host));
- ret = (*writepage)(page, wbc, data);
- if (unlikely(ret)) {
- if (ret == AOP_WRITEPAGE_ACTIVATE) {
+ error = (*writepage)(page, wbc, data);
+ if (unlikely(error)) {
+ /*
+ * Handle errors according to the type of
+ * writeback. There's no need to continue for
+ * background writeback. Just push done_index
+ * past this page so media errors won't choke
+ * writeout for the entire file. For integrity
+ * writeback, we must process the entire dirty
+ * set regardless of errors because the fs may
+ * still have state to clear for each page. In
+ * that case we continue processing and return
+ * the first error.
+ */
+ if (error == AOP_WRITEPAGE_ACTIVATE) {
unlock_page(page);
- ret = 0;
- } else {
- /*
- * done_index is set past this page,
- * so media errors will not choke
- * background writeout for the entire
- * file. This has consequences for
- * range_cyclic semantics (ie. it may
- * not be suitable for data integrity
- * writeout).
- */
+ error = 0;
+ } else if (wbc->sync_mode != WB_SYNC_ALL) {
+ ret = error;
done_index = page->index + 1;
done = 1;
break;
}
+ if (!ret)
+ ret = error;
}

/*
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 67aaf7ae22ff..340ef3177686 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -2820,8 +2820,9 @@ static struct swap_info_struct *alloc_swap_info(void)
struct swap_info_struct *p;
unsigned int type;
int i;
+ int size = sizeof(*p) + nr_node_ids * sizeof(struct plist_node);

- p = kvzalloc(sizeof(*p), GFP_KERNEL);
+ p = kvzalloc(size, GFP_KERNEL);
if (!p)
return ERR_PTR(-ENOMEM);

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index f12555f23a49..7f800c3480f7 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -5668,6 +5668,12 @@ static bool hci_get_cmd_complete(struct hci_dev *hdev, u16 opcode,
return true;
}

+ /* Check if request ended in Command Status - no way to retreive
+ * any extra parameters in this case.
+ */
+ if (hdr->evt == HCI_EV_CMD_STATUS)
+ return false;
+
if (hdr->evt != HCI_EV_CMD_COMPLETE) {
bt_dev_err(hdev, "last event is not cmd complete (0x%2.2x)",
hdr->evt);
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index 5372e2042adf..2cb8da465b98 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -65,6 +65,7 @@ EXPORT_SYMBOL_GPL(br_dev_queue_push_xmit);

int br_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
{
+ skb->tstamp = 0;
return NF_HOOK(NFPROTO_BRIDGE, NF_BR_POST_ROUTING,
net, sk, skb, NULL, skb->dev,
br_dev_queue_push_xmit);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index abbbd7fd17fe..589ec5b9ec5f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5258,7 +5258,6 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len,
unsigned long chunk;
struct sk_buff *skb;
struct page *page;
- gfp_t gfp_head;
int i;

*errcode = -EMSGSIZE;
@@ -5268,12 +5267,8 @@ struct sk_buff *alloc_skb_with_frags(unsigned long header_len,
if (npages > MAX_SKB_FRAGS)
return NULL;

- gfp_head = gfp_mask;
- if (gfp_head & __GFP_DIRECT_RECLAIM)
- gfp_head |= __GFP_RETRY_MAYFAIL;
-
*errcode = -ENOBUFS;
- skb = alloc_skb(header_len, gfp_head);
+ skb = alloc_skb(header_len, gfp_mask);
if (!skb)
return NULL;

diff --git a/net/core/sock.c b/net/core/sock.c
index 5a8a3b76832f..c9668dcb5eb9 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -698,6 +698,7 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
break;
case SO_DONTROUTE:
sock_valbool_flag(sk, SOCK_LOCALROUTE, valbool);
+ sk_dst_reset(sk);
break;
case SO_BROADCAST:
sock_valbool_flag(sk, SOCK_BROADCAST, valbool);
diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c
index 2c8d313ae216..fb1e7f237f53 100644
--- a/net/ipv4/netfilter/ipt_CLUSTERIP.c
+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c
@@ -57,17 +57,14 @@ struct clusterip_config {
enum clusterip_hashmode hash_mode; /* which hashing mode */
u_int32_t hash_initval; /* hash initialization */
struct rcu_head rcu;
-
+ struct net *net; /* netns for pernet list */
char ifname[IFNAMSIZ]; /* device ifname */
- struct notifier_block notifier; /* refresh c->ifindex in it */
};

#ifdef CONFIG_PROC_FS
static const struct file_operations clusterip_proc_fops;
#endif

-static unsigned int clusterip_net_id __read_mostly;
-
struct clusterip_net {
struct list_head configs;
/* lock protects the configs list */
@@ -78,16 +75,30 @@ struct clusterip_net {
#endif
};

+static unsigned int clusterip_net_id __read_mostly;
+static inline struct clusterip_net *clusterip_pernet(struct net *net)
+{
+ return net_generic(net, clusterip_net_id);
+}
+
static inline void
clusterip_config_get(struct clusterip_config *c)
{
refcount_inc(&c->refcount);
}

-
static void clusterip_config_rcu_free(struct rcu_head *head)
{
- kfree(container_of(head, struct clusterip_config, rcu));
+ struct clusterip_config *config;
+ struct net_device *dev;
+
+ config = container_of(head, struct clusterip_config, rcu);
+ dev = dev_get_by_name(config->net, config->ifname);
+ if (dev) {
+ dev_mc_del(dev, config->clustermac);
+ dev_put(dev);
+ }
+ kfree(config);
}

static inline void
@@ -101,9 +112,9 @@ clusterip_config_put(struct clusterip_config *c)
* entry(rule) is removed, remove the config from lists, but don't free it
* yet, since proc-files could still be holding references */
static inline void
-clusterip_config_entry_put(struct net *net, struct clusterip_config *c)
+clusterip_config_entry_put(struct clusterip_config *c)
{
- struct clusterip_net *cn = net_generic(net, clusterip_net_id);
+ struct clusterip_net *cn = clusterip_pernet(c->net);

local_bh_disable();
if (refcount_dec_and_lock(&c->entries, &cn->lock)) {
@@ -118,8 +129,6 @@ clusterip_config_entry_put(struct net *net, struct clusterip_config *c)
spin_unlock(&cn->lock);
local_bh_enable();

- unregister_netdevice_notifier(&c->notifier);
-
return;
}
local_bh_enable();
@@ -129,7 +138,7 @@ static struct clusterip_config *
__clusterip_config_find(struct net *net, __be32 clusterip)
{
struct clusterip_config *c;
- struct clusterip_net *cn = net_generic(net, clusterip_net_id);
+ struct clusterip_net *cn = clusterip_pernet(net);

list_for_each_entry_rcu(c, &cn->configs, list) {
if (c->clusterip == clusterip)
@@ -181,32 +190,37 @@ clusterip_netdev_event(struct notifier_block *this, unsigned long event,
void *ptr)
{
struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+ struct net *net = dev_net(dev);
+ struct clusterip_net *cn = clusterip_pernet(net);
struct clusterip_config *c;

- c = container_of(this, struct clusterip_config, notifier);
- switch (event) {
- case NETDEV_REGISTER:
- if (!strcmp(dev->name, c->ifname)) {
- c->ifindex = dev->ifindex;
- dev_mc_add(dev, c->clustermac);
- }
- break;
- case NETDEV_UNREGISTER:
- if (dev->ifindex == c->ifindex) {
- dev_mc_del(dev, c->clustermac);
- c->ifindex = -1;
- }
- break;
- case NETDEV_CHANGENAME:
- if (!strcmp(dev->name, c->ifname)) {
- c->ifindex = dev->ifindex;
- dev_mc_add(dev, c->clustermac);
- } else if (dev->ifindex == c->ifindex) {
- dev_mc_del(dev, c->clustermac);
- c->ifindex = -1;
+ spin_lock_bh(&cn->lock);
+ list_for_each_entry_rcu(c, &cn->configs, list) {
+ switch (event) {
+ case NETDEV_REGISTER:
+ if (!strcmp(dev->name, c->ifname)) {
+ c->ifindex = dev->ifindex;
+ dev_mc_add(dev, c->clustermac);
+ }
+ break;
+ case NETDEV_UNREGISTER:
+ if (dev->ifindex == c->ifindex) {
+ dev_mc_del(dev, c->clustermac);
+ c->ifindex = -1;
+ }
+ break;
+ case NETDEV_CHANGENAME:
+ if (!strcmp(dev->name, c->ifname)) {
+ c->ifindex = dev->ifindex;
+ dev_mc_add(dev, c->clustermac);
+ } else if (dev->ifindex == c->ifindex) {
+ dev_mc_del(dev, c->clustermac);
+ c->ifindex = -1;
+ }
+ break;
}
- break;
}
+ spin_unlock_bh(&cn->lock);

return NOTIFY_DONE;
}
@@ -215,30 +229,44 @@ static struct clusterip_config *
clusterip_config_init(struct net *net, const struct ipt_clusterip_tgt_info *i,
__be32 ip, const char *iniface)
{
- struct clusterip_net *cn = net_generic(net, clusterip_net_id);
+ struct clusterip_net *cn = clusterip_pernet(net);
struct clusterip_config *c;
+ struct net_device *dev;
int err;

+ if (iniface[0] == '\0') {
+ pr_info("Please specify an interface name\n");
+ return ERR_PTR(-EINVAL);
+ }
+
c = kzalloc(sizeof(*c), GFP_ATOMIC);
if (!c)
return ERR_PTR(-ENOMEM);

- strcpy(c->ifname, iniface);
- c->ifindex = -1;
- c->clusterip = ip;
+ dev = dev_get_by_name(net, iniface);
+ if (!dev) {
+ pr_info("no such interface %s\n", iniface);
+ kfree(c);
+ return ERR_PTR(-ENOENT);
+ }
+ c->ifindex = dev->ifindex;
+ strcpy(c->ifname, dev->name);
memcpy(&c->clustermac, &i->clustermac, ETH_ALEN);
+ dev_mc_add(dev, c->clustermac);
+ dev_put(dev);
+
+ c->clusterip = ip;
c->num_total_nodes = i->num_total_nodes;
clusterip_config_init_nodelist(c, i);
c->hash_mode = i->hash_mode;
c->hash_initval = i->hash_initval;
+ c->net = net;
refcount_set(&c->refcount, 1);

spin_lock_bh(&cn->lock);
if (__clusterip_config_find(net, ip)) {
- spin_unlock_bh(&cn->lock);
- kfree(c);
-
- return ERR_PTR(-EBUSY);
+ err = -EBUSY;
+ goto out_config_put;
}

list_add_rcu(&c->list, &cn->configs);
@@ -260,22 +288,17 @@ clusterip_config_init(struct net *net, const struct ipt_clusterip_tgt_info *i,
}
#endif

- c->notifier.notifier_call = clusterip_netdev_event;
- err = register_netdevice_notifier(&c->notifier);
- if (!err) {
- refcount_set(&c->entries, 1);
- return c;
- }
+ refcount_set(&c->entries, 1);
+ return c;

#ifdef CONFIG_PROC_FS
- proc_remove(c->pde);
err:
#endif
spin_lock_bh(&cn->lock);
list_del_rcu(&c->list);
+out_config_put:
spin_unlock_bh(&cn->lock);
clusterip_config_put(c);
-
return ERR_PTR(err);
}

@@ -475,34 +498,20 @@ static int clusterip_tg_check(const struct xt_tgchk_param *par)
&e->ip.dst.s_addr);
return -EINVAL;
} else {
- struct net_device *dev;
-
- if (e->ip.iniface[0] == '\0') {
- pr_info("Please specify an interface name\n");
- return -EINVAL;
- }
-
- dev = dev_get_by_name(par->net, e->ip.iniface);
- if (!dev) {
- pr_info("no such interface %s\n",
- e->ip.iniface);
- return -ENOENT;
- }
- dev_put(dev);
-
config = clusterip_config_init(par->net, cipinfo,
e->ip.dst.s_addr,
e->ip.iniface);
if (IS_ERR(config))
return PTR_ERR(config);
}
- }
+ } else if (memcmp(&config->clustermac, &cipinfo->clustermac, ETH_ALEN))
+ return -EINVAL;

ret = nf_ct_netns_get(par->net, par->family);
if (ret < 0) {
pr_info("cannot load conntrack support for proto=%u\n",
par->family);
- clusterip_config_entry_put(par->net, config);
+ clusterip_config_entry_put(config);
clusterip_config_put(config);
return ret;
}
@@ -524,7 +533,7 @@ static void clusterip_tg_destroy(const struct xt_tgdtor_param *par)

/* if no more entries are referencing the config, remove it
* from the list and destroy the proc entry */
- clusterip_config_entry_put(par->net, cipinfo->config);
+ clusterip_config_entry_put(cipinfo->config);

clusterip_config_put(cipinfo->config);

@@ -806,7 +815,7 @@ static const struct file_operations clusterip_proc_fops = {

static int clusterip_net_init(struct net *net)
{
- struct clusterip_net *cn = net_generic(net, clusterip_net_id);
+ struct clusterip_net *cn = clusterip_pernet(net);
int ret;

INIT_LIST_HEAD(&cn->configs);
@@ -831,13 +840,12 @@ static int clusterip_net_init(struct net *net)

static void clusterip_net_exit(struct net *net)
{
- struct clusterip_net *cn = net_generic(net, clusterip_net_id);
+ struct clusterip_net *cn = clusterip_pernet(net);
#ifdef CONFIG_PROC_FS
proc_remove(cn->procdir);
cn->procdir = NULL;
#endif
nf_unregister_net_hook(net, &cip_arp_ops);
- WARN_ON_ONCE(!list_empty(&cn->configs));
}

static struct pernet_operations clusterip_net_ops = {
@@ -847,6 +855,10 @@ static struct pernet_operations clusterip_net_ops = {
.size = sizeof(struct clusterip_net),
};

+struct notifier_block cip_netdev_notifier = {
+ .notifier_call = clusterip_netdev_event
+};
+
static int __init clusterip_tg_init(void)
{
int ret;
@@ -859,11 +871,17 @@ static int __init clusterip_tg_init(void)
if (ret < 0)
goto cleanup_subsys;

+ ret = register_netdevice_notifier(&cip_netdev_notifier);
+ if (ret < 0)
+ goto unregister_target;
+
pr_info("ClusterIP Version %s loaded successfully\n",
CLUSTERIP_VERSION);

return 0;

+unregister_target:
+ xt_unregister_target(&clusterip_tg_reg);
cleanup_subsys:
unregister_pernet_subsys(&clusterip_net_ops);
return ret;
@@ -873,6 +891,7 @@ static void __exit clusterip_tg_exit(void)
{
pr_info("ClusterIP Version %s unloading\n", CLUSTERIP_VERSION);

+ unregister_netdevice_notifier(&cip_netdev_notifier);
xt_unregister_target(&clusterip_tg_reg);
unregister_pernet_subsys(&clusterip_net_ops);

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 9a4261e50272..506b2ae07bb3 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -309,6 +309,7 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,

/* Check if the address belongs to the host. */
if (addr_type == IPV6_ADDR_MAPPED) {
+ struct net_device *dev = NULL;
int chk_addr_ret;

/* Binding to v4-mapped address on a v6-only socket
@@ -319,9 +320,20 @@ static int __inet6_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len,
goto out;
}

+ rcu_read_lock();
+ if (sk->sk_bound_dev_if) {
+ dev = dev_get_by_index_rcu(net, sk->sk_bound_dev_if);
+ if (!dev) {
+ err = -ENODEV;
+ goto out_unlock;
+ }
+ }
+
/* Reproduce AF_INET checks to make the bindings consistent */
v4addr = addr->sin6_addr.s6_addr32[3];
- chk_addr_ret = inet_addr_type(net, v4addr);
+ chk_addr_ret = inet_addr_type_dev_table(net, dev, v4addr);
+ rcu_read_unlock();
+
if (!inet_can_nonlocal_bind(net, inet) &&
v4addr != htonl(INADDR_ANY) &&
chk_addr_ret != RTN_LOCAL &&
diff --git a/net/netfilter/ipset/ip_set_bitmap_ipmac.c b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
index c00b6a2e8e3c..13ade5782847 100644
--- a/net/netfilter/ipset/ip_set_bitmap_ipmac.c
+++ b/net/netfilter/ipset/ip_set_bitmap_ipmac.c
@@ -219,10 +219,6 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);
u32 ip;

- /* MAC can be src only */
- if (!(opt->flags & IPSET_DIM_TWO_SRC))
- return 0;
-
ip = ntohl(ip4addr(skb, opt->flags & IPSET_DIM_ONE_SRC));
if (ip < map->first_ip || ip > map->last_ip)
return -IPSET_ERR_BITMAP_RANGE;
@@ -233,7 +229,11 @@ bitmap_ipmac_kadt(struct ip_set *set, const struct sk_buff *skb,
return -EINVAL;

e.id = ip_to_id(map, ip);
- memcpy(e.ether, eth_hdr(skb)->h_source, ETH_ALEN);
+
+ if (opt->flags & IPSET_DIM_ONE_SRC)
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+ else
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);

return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
}
diff --git a/net/netfilter/ipset/ip_set_hash_ipmac.c b/net/netfilter/ipset/ip_set_hash_ipmac.c
index 1ab5ed2f6839..fd87de3ed55b 100644
--- a/net/netfilter/ipset/ip_set_hash_ipmac.c
+++ b/net/netfilter/ipset/ip_set_hash_ipmac.c
@@ -103,7 +103,11 @@ hash_ipmac4_kadt(struct ip_set *set, const struct sk_buff *skb,
(skb_mac_header(skb) + ETH_HLEN) > skb->data)
return -EINVAL;

- memcpy(e.ether, eth_hdr(skb)->h_source, ETH_ALEN);
+ if (opt->flags & IPSET_DIM_ONE_SRC)
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+ else
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+
if (ether_addr_equal(e.ether, invalid_ether))
return -EINVAL;

@@ -211,15 +215,15 @@ hash_ipmac6_kadt(struct ip_set *set, const struct sk_buff *skb,
};
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

- /* MAC can be src only */
- if (!(opt->flags & IPSET_DIM_TWO_SRC))
- return 0;
-
if (skb_mac_header(skb) < skb->head ||
(skb_mac_header(skb) + ETH_HLEN) > skb->data)
return -EINVAL;

- memcpy(e.ether, eth_hdr(skb)->h_source, ETH_ALEN);
+ if (opt->flags & IPSET_DIM_ONE_SRC)
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+ else
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+
if (ether_addr_equal(e.ether, invalid_ether))
return -EINVAL;

diff --git a/net/netfilter/ipset/ip_set_hash_mac.c b/net/netfilter/ipset/ip_set_hash_mac.c
index f9d5a2a1e3d0..4fe5f243d0a3 100644
--- a/net/netfilter/ipset/ip_set_hash_mac.c
+++ b/net/netfilter/ipset/ip_set_hash_mac.c
@@ -81,15 +81,15 @@ hash_mac4_kadt(struct ip_set *set, const struct sk_buff *skb,
struct hash_mac4_elem e = { { .foo[0] = 0, .foo[1] = 0 } };
struct ip_set_ext ext = IP_SET_INIT_KEXT(skb, opt, set);

- /* MAC can be src only */
- if (!(opt->flags & IPSET_DIM_ONE_SRC))
- return 0;
-
if (skb_mac_header(skb) < skb->head ||
(skb_mac_header(skb) + ETH_HLEN) > skb->data)
return -EINVAL;

- ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+ if (opt->flags & IPSET_DIM_ONE_SRC)
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_source);
+ else
+ ether_addr_copy(e.ether, eth_hdr(skb)->h_dest);
+
if (is_zero_ether_addr(e.ether))
return -EINVAL;
return adtfn(set, &e, &ext, &opt->ext, opt->cmdflags);
diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index 904e775d1a44..cf40a8284a38 100644
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -55,6 +55,23 @@ static int populate_prog_array(const char *event, int prog_fd)
return 0;
}

+static int write_kprobe_events(const char *val)
+{
+ int fd, ret, flags;
+
+ if ((val != NULL) && (val[0] == '\0'))
+ flags = O_WRONLY | O_TRUNC;
+ else
+ flags = O_WRONLY | O_APPEND;
+
+ fd = open("/sys/kernel/debug/tracing/kprobe_events", flags);
+
+ ret = write(fd, val, strlen(val));
+ close(fd);
+
+ return ret;
+}
+
static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
{
bool is_socket = strncmp(event, "socket", 6) == 0;
@@ -166,10 +183,9 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)

#ifdef __x86_64__
if (strncmp(event, "sys_", 4) == 0) {
- snprintf(buf, sizeof(buf),
- "echo '%c:__x64_%s __x64_%s' >> /sys/kernel/debug/tracing/kprobe_events",
- is_kprobe ? 'p' : 'r', event, event);
- err = system(buf);
+ snprintf(buf, sizeof(buf), "%c:__x64_%s __x64_%s",
+ is_kprobe ? 'p' : 'r', event, event);
+ err = write_kprobe_events(buf);
if (err >= 0) {
need_normal_check = false;
event_prefix = "__x64_";
@@ -177,10 +193,9 @@ static int load_and_attach(const char *event, struct bpf_insn *prog, int size)
}
#endif
if (need_normal_check) {
- snprintf(buf, sizeof(buf),
- "echo '%c:%s %s' >> /sys/kernel/debug/tracing/kprobe_events",
- is_kprobe ? 'p' : 'r', event, event);
- err = system(buf);
+ snprintf(buf, sizeof(buf), "%c:%s %s",
+ is_kprobe ? 'p' : 'r', event, event);
+ err = write_kprobe_events(buf);
if (err < 0) {
printf("failed to create kprobe '%s' error '%s'\n",
event, strerror(errno));
@@ -520,7 +535,7 @@ static int do_load_bpf_file(const char *path, fixup_map_cb fixup_map)
return 1;

/* clear all kprobes */
- i = system("echo \"\" > /sys/kernel/debug/tracing/kprobe_events");
+ i = write_kprobe_events("");

/* scan over all elf sections to get license and map info */
for (i = 1; i < ehdr.e_shnum; i++) {
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index 25bd2b89fe3f..c2f577d71964 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -73,7 +73,7 @@ static void warn_ignored_character(char chr)
{
fprintf(stderr,
"%s:%d:warning: ignoring unsupported character '%c'\n",
- zconf_curname(), zconf_lineno(), chr);
+ current_file->name, yylineno, chr);
}
%}

@@ -221,6 +221,8 @@ n [A-Za-z0-9_-]
}
<<EOF>> {
BEGIN(INITIAL);
+ yylval.string = text;
+ return T_WORD_QUOTE;
}
}

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index fe251c6f09f1..3c3878f0d2fa 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2934,7 +2934,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, int flags, void *data)
return rc;

/* Allow all mounts performed by the kernel */
- if (flags & MS_KERNMOUNT)
+ if (flags & (MS_KERNMOUNT | MS_SUBMOUNT))
return 0;

ad.type = LSM_AUDIT_DATA_DENTRY;
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index 529d9f405fa9..0cb65d0864cc 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -41,6 +41,7 @@ config SND_OXFW
* Mackie(Loud) U.420/U.420d
* TASCAM FireOne
* Stanton Controllers & Systems 1 Deck/Mixer
+ * APOGEE duet FireWire

To compile this driver as a module, choose M here: the module
will be called snd-oxfw.
diff --git a/sound/firewire/bebob/bebob.c b/sound/firewire/bebob/bebob.c
index 93676354f87f..de4af8a41ff0 100644
--- a/sound/firewire/bebob/bebob.c
+++ b/sound/firewire/bebob/bebob.c
@@ -434,7 +434,7 @@ static const struct ieee1394_device_id bebob_id_table[] = {
/* Apogee Electronics, DA/AD/DD-16X (X-FireWire card) */
SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00010048, &spec_normal),
/* Apogee Electronics, Ensemble */
- SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x00001eee, &spec_normal),
+ SND_BEBOB_DEV_ENTRY(VEN_APOGEE, 0x01eeee, &spec_normal),
/* ESI, Quatafire610 */
SND_BEBOB_DEV_ENTRY(VEN_ESI, 0x00010064, &spec_normal),
/* AcousticReality, eARMasterOne */
diff --git a/sound/firewire/oxfw/oxfw.c b/sound/firewire/oxfw/oxfw.c
index 2ea8be6c8584..5f82a375725a 100644
--- a/sound/firewire/oxfw/oxfw.c
+++ b/sound/firewire/oxfw/oxfw.c
@@ -20,6 +20,7 @@
#define VENDOR_LACIE 0x00d04b
#define VENDOR_TASCAM 0x00022e
#define OUI_STANTON 0x001260
+#define OUI_APOGEE 0x0003db

#define MODEL_SATELLITE 0x00200f

@@ -436,6 +437,13 @@ static const struct ieee1394_device_id oxfw_id_table[] = {
.vendor_id = OUI_STANTON,
.model_id = 0x002000,
},
+ // APOGEE, duet FireWire
+ {
+ .match_flags = IEEE1394_MATCH_VENDOR_ID |
+ IEEE1394_MATCH_MODEL_ID,
+ .vendor_id = OUI_APOGEE,
+ .model_id = 0x01dddd,
+ },
{ }
};
MODULE_DEVICE_TABLE(ieee1394, oxfw_id_table);
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 3135e9eafd18..7f376b63a166 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -1147,18 +1147,21 @@ static int acp_dma_new(struct snd_soc_pcm_runtime *rtd)
struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd,
DRV_NAME);
struct audio_drv_data *adata = dev_get_drvdata(component->dev);
+ struct device *parent = component->dev->parent;

switch (adata->asic_type) {
case CHIP_STONEY:
ret = snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
SNDRV_DMA_TYPE_DEV,
- NULL, ST_MIN_BUFFER,
+ parent,
+ ST_MIN_BUFFER,
ST_MAX_BUFFER);
break;
default:
ret = snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
SNDRV_DMA_TYPE_DEV,
- NULL, MIN_BUFFER,
+ parent,
+ MIN_BUFFER,
MAX_BUFFER);
break;
}
diff --git a/sound/soc/codecs/pcm3168a.c b/sound/soc/codecs/pcm3168a.c
index 3356c91f55b0..e3de1ff3b6c2 100644
--- a/sound/soc/codecs/pcm3168a.c
+++ b/sound/soc/codecs/pcm3168a.c
@@ -688,15 +688,22 @@ int pcm3168a_probe(struct device *dev, struct regmap *regmap)
}
EXPORT_SYMBOL_GPL(pcm3168a_probe);

-void pcm3168a_remove(struct device *dev)
+static void pcm3168a_disable(struct device *dev)
{
struct pcm3168a_priv *pcm3168a = dev_get_drvdata(dev);

- pm_runtime_disable(dev);
regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),
- pcm3168a->supplies);
+ pcm3168a->supplies);
clk_disable_unprepare(pcm3168a->scki);
}
+
+void pcm3168a_remove(struct device *dev)
+{
+ pm_runtime_disable(dev);
+#ifndef CONFIG_PM
+ pcm3168a_disable(dev);
+#endif
+}
EXPORT_SYMBOL_GPL(pcm3168a_remove);

#ifdef CONFIG_PM
@@ -751,10 +758,7 @@ static int pcm3168a_rt_suspend(struct device *dev)

regcache_cache_only(pcm3168a->regmap, true);

- regulator_bulk_disable(ARRAY_SIZE(pcm3168a->supplies),
- pcm3168a->supplies);
-
- clk_disable_unprepare(pcm3168a->scki);
+ pcm3168a_disable(dev);

return 0;
}
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile
index 95563b8e1ad7..ed61fb3a46c0 100644
--- a/tools/lib/subcmd/Makefile
+++ b/tools/lib/subcmd/Makefile
@@ -36,8 +36,6 @@ endif
CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE

CFLAGS += -I$(srctree)/tools/include/
-CFLAGS += -I$(srctree)/include/uapi
-CFLAGS += -I$(srctree)/include

SUBCMD_IN := $(OUTPUT)libsubcmd-in.o

diff --git a/tools/perf/Makefile.config b/tools/perf/Makefile.config
index e30d20fb482d..f00ea77f5f08 100644
--- a/tools/perf/Makefile.config
+++ b/tools/perf/Makefile.config
@@ -294,6 +294,8 @@ ifndef NO_BIONIC
$(call feature_check,bionic)
ifeq ($(feature-bionic), 1)
BIONIC := 1
+ CFLAGS += -DLACKS_SIGQUEUE_PROTOTYPE
+ CFLAGS += -DLACKS_OPEN_MEMSTREAM_PROTOTYPE
EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
endif
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index db0ba8caf5a2..ba8ecaf52200 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -524,10 +524,21 @@ static int intel_pt_validate_config(struct perf_pmu *intel_pt_pmu,
struct perf_evsel *evsel)
{
int err;
+ char c;

if (!evsel)
return 0;

+ /*
+ * If supported, force pass-through config term (pt=1) even if user
+ * sets pt=0, which avoids senseless kernel errors.
+ */
+ if (perf_pmu__scan_file(intel_pt_pmu, "format/pt", "%c", &c) == 1 &&
+ !(evsel->attr.config & 1)) {
+ pr_warning("pt=0 doesn't make sense, forcing pt=1\n");
+ evsel->attr.config |= 1;
+ }
+
err = intel_pt_val_config_term(intel_pt_pmu, "caps/cycle_thresholds",
"cyc_thresh", "caps/psb_cyc",
evsel->attr.config);
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index d097b5b47eb8..40720150ccd8 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -1961,7 +1961,7 @@ static int parse_metric_groups(const struct option *opt,
return metricgroup__parse_groups(opt, str, &metric_events);
}

-static const struct option stat_options[] = {
+static struct option stat_options[] = {
OPT_BOOLEAN('T', "transaction", &transaction_run,
"hardware transaction statistics"),
OPT_CALLBACK('e', "event", &evsel_list, "event",
@@ -2847,6 +2847,12 @@ int cmd_stat(int argc, const char **argv)
return -ENOMEM;

parse_events__shrink_config_terms();
+
+ /* String-parsing callback-based options would segfault when negated */
+ set_option_flag(stat_options, 'e', "event", PARSE_OPT_NONEG);
+ set_option_flag(stat_options, 'M', "metrics", PARSE_OPT_NONEG);
+ set_option_flag(stat_options, 'G', "cgroup", PARSE_OPT_NONEG);
+
argc = parse_options_subcommand(argc, argv, stat_options, stat_subcommands,
(const char **) stat_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c
index a827919c6263..775b99833e51 100644
--- a/tools/perf/builtin-timechart.c
+++ b/tools/perf/builtin-timechart.c
@@ -43,6 +43,10 @@
#include "util/data.h"
#include "util/debug.h"

+#ifdef LACKS_OPEN_MEMSTREAM_PROTOTYPE
+FILE *open_memstream(char **ptr, size_t *sizeloc);
+#endif
+
#define SUPPORT_OLD_POWER_EVENTS 1
#define PWR_EVENT_EXIT -1

diff --git a/tools/perf/pmu-events/arch/x86/skylake/skl-metrics.json b/tools/perf/pmu-events/arch/x86/skylake/skl-metrics.json
index 36c903faed0b..71e9737f4614 100644
--- a/tools/perf/pmu-events/arch/x86/skylake/skl-metrics.json
+++ b/tools/perf/pmu-events/arch/x86/skylake/skl-metrics.json
@@ -73,7 +73,7 @@
},
{
"BriefDescription": "Actual Average Latency for L1 data-cache miss demand loads",
- "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS_PS + MEM_LOAD_RETIRED.FB_HIT_PS )",
+ "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS + MEM_LOAD_RETIRED.FB_HIT )",
"MetricGroup": "Memory_Bound;Memory_Lat",
"MetricName": "Load_Miss_Real_Latency"
},
diff --git a/tools/perf/pmu-events/arch/x86/skylakex/skx-metrics.json b/tools/perf/pmu-events/arch/x86/skylakex/skx-metrics.json
index 36c903faed0b..71e9737f4614 100644
--- a/tools/perf/pmu-events/arch/x86/skylakex/skx-metrics.json
+++ b/tools/perf/pmu-events/arch/x86/skylakex/skx-metrics.json
@@ -73,7 +73,7 @@
},
{
"BriefDescription": "Actual Average Latency for L1 data-cache miss demand loads",
- "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS_PS + MEM_LOAD_RETIRED.FB_HIT_PS )",
+ "MetricExpr": "L1D_PEND_MISS.PENDING / ( MEM_LOAD_RETIRED.L1_MISS + MEM_LOAD_RETIRED.FB_HIT )",
"MetricGroup": "Memory_Bound;Memory_Lat",
"MetricName": "Load_Miss_Real_Latency"
},
diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c
index a467615c5a0e..910e25e64188 100644
--- a/tools/perf/tests/bp_signal.c
+++ b/tools/perf/tests/bp_signal.c
@@ -291,12 +291,20 @@ int test__bp_signal(struct test *test __maybe_unused, int subtest __maybe_unused

bool test__bp_signal_is_supported(void)
{
-/*
- * The powerpc so far does not have support to even create
- * instruction breakpoint using the perf event interface.
- * Once it's there we can release this.
- */
-#if defined(__powerpc__) || defined(__s390x__)
+ /*
+ * PowerPC and S390 do not support creation of instruction
+ * breakpoints using the perf_event interface.
+ *
+ * ARM requires explicit rounding down of the instruction
+ * pointer in Thumb mode, and then requires the single-step
+ * to be handled explicitly in the overflow handler to avoid
+ * stepping into the SIGIO handler and getting stuck on the
+ * breakpointed instruction.
+ *
+ * Just disable the test for these architectures until these
+ * issues are resolved.
+ */
+#if defined(__powerpc__) || defined(__s390x__) || defined(__arm__)
return false;
#else
return true;
diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index ca577658e890..7b5e15cc6b71 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -1005,7 +1005,7 @@ static int cs_etm__flush(struct cs_etm_queue *etmq)
}

swap_packet:
- if (etmq->etm->synth_opts.last_branch) {
+ if (etm->sample_branches || etm->synth_opts.last_branch) {
/*
* Swap PACKET with PREV_PACKET: PACKET becomes PREV_PACKET for
* the next incoming packet.
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index be440df29615..819aa4491b53 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -34,6 +34,10 @@
#include <linux/log2.h>
#include <linux/err.h>

+#ifdef LACKS_SIGQUEUE_PROTOTYPE
+int sigqueue(pid_t pid, int sig, const union sigval value);
+#endif
+
#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y))
#define SID(e, x, y) xyarray__entry(e->sample_id, x, y)

diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index f8cd3e7c9186..ebb18a9bc460 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2454,7 +2454,7 @@ void print_symbol_events(const char *event_glob, unsigned type,
if (!name_only && strlen(syms->alias))
snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
else
- strncpy(name, syms->symbol, MAX_NAME_LEN);
+ strlcpy(name, syms->symbol, MAX_NAME_LEN);

evt_list[evt_i] = strdup(name);
if (evt_list[evt_i] == NULL)
diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
index 1cbada2dc6be..f735ee038713 100644
--- a/tools/perf/util/svghelper.c
+++ b/tools/perf/util/svghelper.c
@@ -334,7 +334,7 @@ static char *cpu_model(void)
if (file) {
while (fgets(buf, 255, file)) {
if (strstr(buf, "model name")) {
- strncpy(cpu_m, &buf[13], 255);
+ strlcpy(cpu_m, &buf[13], 255);
break;
}
}
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index fff7fb1285fc..f3f874ba186b 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -124,6 +124,16 @@ endif
endif
endif

+# Have one program compiled without "-target bpf" to test whether libbpf loads
+# it successfully
+$(OUTPUT)/test_xdp.o: test_xdp.c
+ $(CLANG) $(CLANG_FLAGS) \
+ -O2 -emit-llvm -c $< -o - | \
+ $(LLC) -march=bpf -mcpu=$(CPU) $(LLC_FLAGS) -filetype=obj -o $@
+ifeq ($(DWARF2BTF),y)
+ $(BTF_PAHOLE) -J $@
+endif
+
$(OUTPUT)/%.o: %.c
$(CLANG) $(CLANG_FLAGS) \
-O2 -target bpf -emit-llvm -c $< -o - | \
diff --git a/tools/testing/selftests/bpf/test_libbpf.sh b/tools/testing/selftests/bpf/test_libbpf.sh
index d97dc914cd49..8b1bc96d8e0c 100755
--- a/tools/testing/selftests/bpf/test_libbpf.sh
+++ b/tools/testing/selftests/bpf/test_libbpf.sh
@@ -33,17 +33,11 @@ trap exit_handler 0 2 3 6 9

libbpf_open_file test_l4lb.o

-# TODO: fix libbpf to load noinline functions
-# [warning] libbpf: incorrect bpf_call opcode
-#libbpf_open_file test_l4lb_noinline.o
+# Load a program with BPF-to-BPF calls
+libbpf_open_file test_l4lb_noinline.o

-# TODO: fix test_xdp_meta.c to load with libbpf
-# [warning] libbpf: test_xdp_meta.o doesn't provide kernel version
-#libbpf_open_file test_xdp_meta.o
-
-# TODO: fix libbpf to handle .eh_frame
-# [warning] libbpf: relocation failed: no section(10)
-#libbpf_open_file ../../../../samples/bpf/tracex3_kern.o
+# Load a program compiled without the "-target bpf" flag
+libbpf_open_file test_xdp.o

# Success
exit 0
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index e436b67f2426..9db5a7378f40 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -2748,6 +2748,19 @@ static struct bpf_test tests[] = {
.result_unpriv = REJECT,
.result = ACCEPT,
},
+ {
+ "alu32: mov u32 const",
+ .insns = {
+ BPF_MOV32_IMM(BPF_REG_7, 0),
+ BPF_ALU32_IMM(BPF_AND, BPF_REG_7, 1),
+ BPF_MOV32_REG(BPF_REG_0, BPF_REG_7),
+ BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1),
+ BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_7, 0),
+ BPF_EXIT_INSN(),
+ },
+ .result = ACCEPT,
+ .retval = 0,
+ },
{
"unpriv: partial copy of pointer",
.insns = {
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index 6ae3730c4ee3..76d654ef3234 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -354,7 +354,7 @@
* ASSERT_EQ(expected, measured): expected == measured
*/
#define ASSERT_EQ(expected, seen) \
- __EXPECT(expected, seen, ==, 1)
+ __EXPECT(expected, #expected, seen, #seen, ==, 1)

/**
* ASSERT_NE(expected, seen)
@@ -365,7 +365,7 @@
* ASSERT_NE(expected, measured): expected != measured
*/
#define ASSERT_NE(expected, seen) \
- __EXPECT(expected, seen, !=, 1)
+ __EXPECT(expected, #expected, seen, #seen, !=, 1)

/**
* ASSERT_LT(expected, seen)
@@ -376,7 +376,7 @@
* ASSERT_LT(expected, measured): expected < measured
*/
#define ASSERT_LT(expected, seen) \
- __EXPECT(expected, seen, <, 1)
+ __EXPECT(expected, #expected, seen, #seen, <, 1)

/**
* ASSERT_LE(expected, seen)
@@ -387,7 +387,7 @@
* ASSERT_LE(expected, measured): expected <= measured
*/
#define ASSERT_LE(expected, seen) \
- __EXPECT(expected, seen, <=, 1)
+ __EXPECT(expected, #expected, seen, #seen, <=, 1)

/**
* ASSERT_GT(expected, seen)
@@ -398,7 +398,7 @@
* ASSERT_GT(expected, measured): expected > measured
*/
#define ASSERT_GT(expected, seen) \
- __EXPECT(expected, seen, >, 1)
+ __EXPECT(expected, #expected, seen, #seen, >, 1)

/**
* ASSERT_GE(expected, seen)
@@ -409,7 +409,7 @@
* ASSERT_GE(expected, measured): expected >= measured
*/
#define ASSERT_GE(expected, seen) \
- __EXPECT(expected, seen, >=, 1)
+ __EXPECT(expected, #expected, seen, #seen, >=, 1)

/**
* ASSERT_NULL(seen)
@@ -419,7 +419,7 @@
* ASSERT_NULL(measured): NULL == measured
*/
#define ASSERT_NULL(seen) \
- __EXPECT(NULL, seen, ==, 1)
+ __EXPECT(NULL, "NULL", seen, #seen, ==, 1)

/**
* ASSERT_TRUE(seen)
@@ -429,7 +429,7 @@
* ASSERT_TRUE(measured): measured != 0
*/
#define ASSERT_TRUE(seen) \
- ASSERT_NE(0, seen)
+ __EXPECT(0, "0", seen, #seen, !=, 1)

/**
* ASSERT_FALSE(seen)
@@ -439,7 +439,7 @@
* ASSERT_FALSE(measured): measured == 0
*/
#define ASSERT_FALSE(seen) \
- ASSERT_EQ(0, seen)
+ __EXPECT(0, "0", seen, #seen, ==, 1)

/**
* ASSERT_STREQ(expected, seen)
@@ -472,7 +472,7 @@
* EXPECT_EQ(expected, measured): expected == measured
*/
#define EXPECT_EQ(expected, seen) \
- __EXPECT(expected, seen, ==, 0)
+ __EXPECT(expected, #expected, seen, #seen, ==, 0)

/**
* EXPECT_NE(expected, seen)
@@ -483,7 +483,7 @@
* EXPECT_NE(expected, measured): expected != measured
*/
#define EXPECT_NE(expected, seen) \
- __EXPECT(expected, seen, !=, 0)
+ __EXPECT(expected, #expected, seen, #seen, !=, 0)

/**
* EXPECT_LT(expected, seen)
@@ -494,7 +494,7 @@
* EXPECT_LT(expected, measured): expected < measured
*/
#define EXPECT_LT(expected, seen) \
- __EXPECT(expected, seen, <, 0)
+ __EXPECT(expected, #expected, seen, #seen, <, 0)

/**
* EXPECT_LE(expected, seen)
@@ -505,7 +505,7 @@
* EXPECT_LE(expected, measured): expected <= measured
*/
#define EXPECT_LE(expected, seen) \
- __EXPECT(expected, seen, <=, 0)
+ __EXPECT(expected, #expected, seen, #seen, <=, 0)

/**
* EXPECT_GT(expected, seen)
@@ -516,7 +516,7 @@
* EXPECT_GT(expected, measured): expected > measured
*/
#define EXPECT_GT(expected, seen) \
- __EXPECT(expected, seen, >, 0)
+ __EXPECT(expected, #expected, seen, #seen, >, 0)

/**
* EXPECT_GE(expected, seen)
@@ -527,7 +527,7 @@
* EXPECT_GE(expected, measured): expected >= measured
*/
#define EXPECT_GE(expected, seen) \
- __EXPECT(expected, seen, >=, 0)
+ __EXPECT(expected, #expected, seen, #seen, >=, 0)

/**
* EXPECT_NULL(seen)
@@ -537,7 +537,7 @@
* EXPECT_NULL(measured): NULL == measured
*/
#define EXPECT_NULL(seen) \
- __EXPECT(NULL, seen, ==, 0)
+ __EXPECT(NULL, "NULL", seen, #seen, ==, 0)

/**
* EXPECT_TRUE(seen)
@@ -547,7 +547,7 @@
* EXPECT_TRUE(measured): 0 != measured
*/
#define EXPECT_TRUE(seen) \
- EXPECT_NE(0, seen)
+ __EXPECT(0, "0", seen, #seen, !=, 0)

/**
* EXPECT_FALSE(seen)
@@ -557,7 +557,7 @@
* EXPECT_FALSE(measured): 0 == measured
*/
#define EXPECT_FALSE(seen) \
- EXPECT_EQ(0, seen)
+ __EXPECT(0, "0", seen, #seen, ==, 0)

/**
* EXPECT_STREQ(expected, seen)
@@ -597,7 +597,7 @@
if (_metadata->passed && _metadata->step < 255) \
_metadata->step++;

-#define __EXPECT(_expected, _seen, _t, _assert) do { \
+#define __EXPECT(_expected, _expected_str, _seen, _seen_str, _t, _assert) do { \
/* Avoid multiple evaluation of the cases */ \
__typeof__(_expected) __exp = (_expected); \
__typeof__(_seen) __seen = (_seen); \
@@ -606,8 +606,8 @@
unsigned long long __exp_print = (uintptr_t)__exp; \
unsigned long long __seen_print = (uintptr_t)__seen; \
__TH_LOG("Expected %s (%llu) %s %s (%llu)", \
- #_expected, __exp_print, #_t, \
- #_seen, __seen_print); \
+ _expected_str, __exp_print, #_t, \
+ _seen_str, __seen_print); \
_metadata->passed = 0; \
/* Ensure the optional handler is triggered */ \
_metadata->trigger = 1; \
\
 
 \ /
  Last update: 2019-01-26 10:31    [W:0.181 / U:0.340 seconds]
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