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Message-ID: <20181229130820.GB15220@kroah.com>
Date: Sat, 29 Dec 2018 14:08:20 +0100
From: Greg KH <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc: lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.14.91
diff --git a/Makefile b/Makefile
index 280c7193e246..a6fb3b158a19 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 90
+SUBLEVEL = 91
EXTRAVERSION =
NAME = Petit Gorille
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 62c62d3eb0ff..fed3636dce9a 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -372,6 +372,7 @@
#define MSR_F15H_NB_PERF_CTR 0xc0010241
#define MSR_F15H_PTSC 0xc0010280
#define MSR_F15H_IC_CFG 0xc0011021
+#define MSR_F15H_EX_CFG 0xc001102c
/* Fam 10h MSRs */
#define MSR_FAM10H_MMIO_CONF_BASE 0xc0010058
diff --git a/arch/x86/kernel/cpu/mtrr/if.c b/arch/x86/kernel/cpu/mtrr/if.c
index 558444b23923..c2987daa6a6b 100644
--- a/arch/x86/kernel/cpu/mtrr/if.c
+++ b/arch/x86/kernel/cpu/mtrr/if.c
@@ -173,6 +173,8 @@ mtrr_ioctl(struct file *file, unsigned int cmd, unsigned long __arg)
struct mtrr_gentry gentry;
void __user *arg = (void __user *) __arg;
+ memset(&gentry, 0, sizeof(gentry));
+
switch (cmd) {
case MTRRIOC_ADD_ENTRY:
case MTRRIOC_SET_ENTRY:
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4353580b659a..8eec37d37c3d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -10447,6 +10447,8 @@ static void nested_get_vmcs12_pages(struct kvm_vcpu *vcpu,
kunmap(vmx->nested.pi_desc_page);
kvm_release_page_dirty(vmx->nested.pi_desc_page);
vmx->nested.pi_desc_page = NULL;
+ vmx->nested.pi_desc = NULL;
+ vmcs_write64(POSTED_INTR_DESC_ADDR, -1ull);
}
page = kvm_vcpu_gpa_to_page(vcpu, vmcs12->posted_intr_desc_addr);
if (is_error_page(page))
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f24329659bea..ac431fa778aa 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2227,6 +2227,7 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_AMD64_PATCH_LOADER:
case MSR_AMD64_BU_CFG2:
case MSR_AMD64_DC_CFG:
+ case MSR_F15H_EX_CFG:
break;
case MSR_IA32_UCODE_REV:
@@ -2508,6 +2509,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
case MSR_AMD64_BU_CFG2:
case MSR_IA32_PERF_CTL:
case MSR_AMD64_DC_CFG:
+ case MSR_F15H_EX_CFG:
msr_info->data = 0;
break;
case MSR_K7_EVNTSEL0 ... MSR_K7_EVNTSEL3:
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 2bc544ce3d2e..0bdc77888dc5 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -59,10 +59,18 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
unsigned int req_sects;
sector_t end_sect, tmp;
- /* Make sure bi_size doesn't overflow */
- req_sects = min_t(sector_t, nr_sects, UINT_MAX >> 9);
+ /*
+ * Issue in chunks of the user defined max discard setting,
+ * ensuring that bi_size doesn't overflow
+ */
+ req_sects = min_t(sector_t, nr_sects,
+ q->limits.max_discard_sectors);
+ if (!req_sects)
+ goto fail;
+ if (req_sects > UINT_MAX >> 9)
+ req_sects = UINT_MAX >> 9;
- /**
+ /*
* If splitting a request, and the next starting sector would be
* misaligned, stop the discard at the previous aligned sector.
*/
@@ -96,6 +104,14 @@ int __blkdev_issue_discard(struct block_device *bdev, sector_t sector,
*biop = bio;
return 0;
+
+fail:
+ if (bio) {
+ submit_bio_wait(bio);
+ bio_put(bio);
+ }
+ *biop = NULL;
+ return -EOPNOTSUPP;
}
EXPORT_SYMBOL(__blkdev_issue_discard);
diff --git a/drivers/gpio/gpio-max7301.c b/drivers/gpio/gpio-max7301.c
index 05813fbf3daf..647dfbbc4e1c 100644
--- a/drivers/gpio/gpio-max7301.c
+++ b/drivers/gpio/gpio-max7301.c
@@ -25,7 +25,7 @@ static int max7301_spi_write(struct device *dev, unsigned int reg,
struct spi_device *spi = to_spi_device(dev);
u16 word = ((reg & 0x7F) << 8) | (val & 0xFF);
- return spi_write(spi, (const u8 *)&word, sizeof(word));
+ return spi_write_then_read(spi, &word, sizeof(word), NULL, 0);
}
/* A read from the MAX7301 means two transfers; here, one message each */
@@ -37,14 +37,8 @@ static int max7301_spi_read(struct device *dev, unsigned int reg)
struct spi_device *spi = to_spi_device(dev);
word = 0x8000 | (reg << 8);
- ret = spi_write(spi, (const u8 *)&word, sizeof(word));
- if (ret)
- return ret;
- /*
- * This relies on the fact, that a transfer with NULL tx_buf shifts out
- * zero bytes (=NOOP for MAX7301)
- */
- ret = spi_read(spi, (u8 *)&word, sizeof(word));
+ ret = spi_write_then_read(spi, &word, sizeof(word), &word,
+ sizeof(word));
if (ret)
return ret;
return word & 0xff;
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index 33d4bd505b5b..57d157e94bd6 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -23,11 +23,28 @@
#include "gpiolib.h"
+/**
+ * struct acpi_gpio_event - ACPI GPIO event handler data
+ *
+ * @node: list-entry of the events list of the struct acpi_gpio_chip
+ * @handle: handle of ACPI method to execute when the IRQ triggers
+ * @handler: irq_handler to pass to request_irq when requesting the IRQ
+ * @pin: GPIO pin number on the gpio_chip
+ * @irq: Linux IRQ number for the event, for request_ / free_irq
+ * @irqflags: flags to pass to request_irq when requesting the IRQ
+ * @irq_is_wake: If the ACPI flags indicate the IRQ is a wakeup source
+ * @is_requested: True if request_irq has been done
+ * @desc: gpio_desc for the GPIO pin for this event
+ */
struct acpi_gpio_event {
struct list_head node;
acpi_handle handle;
+ irq_handler_t handler;
unsigned int pin;
unsigned int irq;
+ unsigned long irqflags;
+ bool irq_is_wake;
+ bool irq_requested;
struct gpio_desc *desc;
};
@@ -53,10 +70,10 @@ struct acpi_gpio_chip {
/*
* For gpiochips which call acpi_gpiochip_request_interrupts() before late_init
- * (so builtin drivers) we register the ACPI GpioInt event handlers from a
+ * (so builtin drivers) we register the ACPI GpioInt IRQ handlers from a
* late_initcall_sync handler, so that other builtin drivers can register their
* OpRegions before the event handlers can run. This list contains gpiochips
- * for which the acpi_gpiochip_request_interrupts() has been deferred.
+ * for which the acpi_gpiochip_request_irqs() call has been deferred.
*/
static DEFINE_MUTEX(acpi_gpio_deferred_req_irqs_lock);
static LIST_HEAD(acpi_gpio_deferred_req_irqs_list);
@@ -194,8 +211,42 @@ bool acpi_gpio_get_irq_resource(struct acpi_resource *ares,
}
EXPORT_SYMBOL_GPL(acpi_gpio_get_irq_resource);
-static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
- void *context)
+static void acpi_gpiochip_request_irq(struct acpi_gpio_chip *acpi_gpio,
+ struct acpi_gpio_event *event)
+{
+ int ret, value;
+
+ ret = request_threaded_irq(event->irq, NULL, event->handler,
+ event->irqflags, "ACPI:Event", event);
+ if (ret) {
+ dev_err(acpi_gpio->chip->parent,
+ "Failed to setup interrupt handler for %d\n",
+ event->irq);
+ return;
+ }
+
+ if (event->irq_is_wake)
+ enable_irq_wake(event->irq);
+
+ event->irq_requested = true;
+
+ /* Make sure we trigger the initial state of edge-triggered IRQs */
+ value = gpiod_get_raw_value_cansleep(event->desc);
+ if (((event->irqflags & IRQF_TRIGGER_RISING) && value == 1) ||
+ ((event->irqflags & IRQF_TRIGGER_FALLING) && value == 0))
+ event->handler(event->irq, event);
+}
+
+static void acpi_gpiochip_request_irqs(struct acpi_gpio_chip *acpi_gpio)
+{
+ struct acpi_gpio_event *event;
+
+ list_for_each_entry(event, &acpi_gpio->events, node)
+ acpi_gpiochip_request_irq(acpi_gpio, event);
+}
+
+static acpi_status acpi_gpiochip_alloc_event(struct acpi_resource *ares,
+ void *context)
{
struct acpi_gpio_chip *acpi_gpio = context;
struct gpio_chip *chip = acpi_gpio->chip;
@@ -204,8 +255,7 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
struct acpi_gpio_event *event;
irq_handler_t handler = NULL;
struct gpio_desc *desc;
- unsigned long irqflags;
- int ret, pin, irq, value;
+ int ret, pin, irq;
if (!acpi_gpio_get_irq_resource(ares, &agpio))
return AE_OK;
@@ -240,8 +290,6 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
gpiod_direction_input(desc);
- value = gpiod_get_value_cansleep(desc);
-
ret = gpiochip_lock_as_irq(chip, pin);
if (ret) {
dev_err(chip->parent, "Failed to lock GPIO as interrupt\n");
@@ -254,64 +302,42 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares,
goto fail_unlock_irq;
}
- irqflags = IRQF_ONESHOT;
+ event = kzalloc(sizeof(*event), GFP_KERNEL);
+ if (!event)
+ goto fail_unlock_irq;
+
+ event->irqflags = IRQF_ONESHOT;
if (agpio->triggering == ACPI_LEVEL_SENSITIVE) {
if (agpio->polarity == ACPI_ACTIVE_HIGH)
- irqflags |= IRQF_TRIGGER_HIGH;
+ event->irqflags |= IRQF_TRIGGER_HIGH;
else
- irqflags |= IRQF_TRIGGER_LOW;
+ event->irqflags |= IRQF_TRIGGER_LOW;
} else {
switch (agpio->polarity) {
case ACPI_ACTIVE_HIGH:
- irqflags |= IRQF_TRIGGER_RISING;
+ event->irqflags |= IRQF_TRIGGER_RISING;
break;
case ACPI_ACTIVE_LOW:
- irqflags |= IRQF_TRIGGER_FALLING;
+ event->irqflags |= IRQF_TRIGGER_FALLING;
break;
default:
- irqflags |= IRQF_TRIGGER_RISING |
- IRQF_TRIGGER_FALLING;
+ event->irqflags |= IRQF_TRIGGER_RISING |
+ IRQF_TRIGGER_FALLING;
break;
}
}
- event = kzalloc(sizeof(*event), GFP_KERNEL);
- if (!event)
- goto fail_unlock_irq;
-
event->handle = evt_handle;
+ event->handler = handler;
event->irq = irq;
+ event->irq_is_wake = agpio->wake_capable == ACPI_WAKE_CAPABLE;
event->pin = pin;
event->desc = desc;
- ret = request_threaded_irq(event->irq, NULL, handler, irqflags,
- "ACPI:Event", event);
- if (ret) {
- dev_err(chip->parent,
- "Failed to setup interrupt handler for %d\n",
- event->irq);
- goto fail_free_event;
- }
-
- if (agpio->wake_capable == ACPI_WAKE_CAPABLE)
- enable_irq_wake(irq);
-
list_add_tail(&event->node, &acpi_gpio->events);
- /*
- * Make sure we trigger the initial state of the IRQ when using RISING
- * or FALLING. Note we run the handlers on late_init, the AML code
- * may refer to OperationRegions from other (builtin) drivers which
- * may be probed after us.
- */
- if (((irqflags & IRQF_TRIGGER_RISING) && value == 1) ||
- ((irqflags & IRQF_TRIGGER_FALLING) && value == 0))
- handler(event->irq, event);
-
return AE_OK;
-fail_free_event:
- kfree(event);
fail_unlock_irq:
gpiochip_unlock_as_irq(chip, pin);
fail_free_desc:
@@ -348,6 +374,9 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
if (ACPI_FAILURE(status))
return;
+ acpi_walk_resources(handle, "_AEI",
+ acpi_gpiochip_alloc_event, acpi_gpio);
+
mutex_lock(&acpi_gpio_deferred_req_irqs_lock);
defer = !acpi_gpio_deferred_req_irqs_done;
if (defer)
@@ -358,8 +387,7 @@ void acpi_gpiochip_request_interrupts(struct gpio_chip *chip)
if (defer)
return;
- acpi_walk_resources(handle, "_AEI",
- acpi_gpiochip_request_interrupt, acpi_gpio);
+ acpi_gpiochip_request_irqs(acpi_gpio);
}
EXPORT_SYMBOL_GPL(acpi_gpiochip_request_interrupts);
@@ -396,10 +424,13 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip)
list_for_each_entry_safe_reverse(event, ep, &acpi_gpio->events, node) {
struct gpio_desc *desc;
- if (irqd_is_wakeup_set(irq_get_irq_data(event->irq)))
- disable_irq_wake(event->irq);
+ if (event->irq_requested) {
+ if (event->irq_is_wake)
+ disable_irq_wake(event->irq);
+
+ free_irq(event->irq, event);
+ }
- free_irq(event->irq, event);
desc = event->desc;
if (WARN_ON(IS_ERR(desc)))
continue;
@@ -1253,23 +1284,16 @@ bool acpi_can_fallback_to_crs(struct acpi_device *adev, const char *con_id)
return con_id == NULL;
}
-/* Run deferred acpi_gpiochip_request_interrupts() */
-static int acpi_gpio_handle_deferred_request_interrupts(void)
+/* Run deferred acpi_gpiochip_request_irqs() */
+static int acpi_gpio_handle_deferred_request_irqs(void)
{
struct acpi_gpio_chip *acpi_gpio, *tmp;
mutex_lock(&acpi_gpio_deferred_req_irqs_lock);
list_for_each_entry_safe(acpi_gpio, tmp,
&acpi_gpio_deferred_req_irqs_list,
- deferred_req_irqs_list_entry) {
- acpi_handle handle;
-
- handle = ACPI_HANDLE(acpi_gpio->chip->parent);
- acpi_walk_resources(handle, "_AEI",
- acpi_gpiochip_request_interrupt, acpi_gpio);
-
- list_del_init(&acpi_gpio->deferred_req_irqs_list_entry);
- }
+ deferred_req_irqs_list_entry)
+ acpi_gpiochip_request_irqs(acpi_gpio);
acpi_gpio_deferred_req_irqs_done = true;
mutex_unlock(&acpi_gpio_deferred_req_irqs_lock);
@@ -1277,4 +1301,4 @@ static int acpi_gpio_handle_deferred_request_interrupts(void)
return 0;
}
/* We must use _sync so that this runs after the first deferred_probe run */
-late_initcall_sync(acpi_gpio_handle_deferred_request_interrupts);
+late_initcall_sync(acpi_gpio_handle_deferred_request_irqs);
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index a9ae6dd2d593..53f319369de5 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -37,6 +37,7 @@
#include <linux/pci.h>
#include <linux/export.h>
+#include <linux/nospec.h>
/**
* DOC: getunique and setversion story
@@ -778,13 +779,17 @@ long drm_ioctl(struct file *filp,
if (is_driver_ioctl) {
/* driver ioctl */
- if (nr - DRM_COMMAND_BASE >= dev->driver->num_ioctls)
+ unsigned int index = nr - DRM_COMMAND_BASE;
+
+ if (index >= dev->driver->num_ioctls)
goto err_i1;
- ioctl = &dev->driver->ioctls[nr - DRM_COMMAND_BASE];
+ index = array_index_nospec(index, dev->driver->num_ioctls);
+ ioctl = &dev->driver->ioctls[index];
} else {
/* core ioctl */
if (nr >= DRM_CORE_IOCTL_COUNT)
goto err_i1;
+ nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT);
ioctl = &drm_ioctls[nr];
}
@@ -866,6 +871,7 @@ bool drm_ioctl_flags(unsigned int nr, unsigned int *flags)
if (nr >= DRM_CORE_IOCTL_COUNT)
return false;
+ nr = array_index_nospec(nr, DRM_CORE_IOCTL_COUNT);
*flags = drm_ioctls[nr].flags;
return true;
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
index 2cd134dd94d2..4218a616f1d3 100644
--- a/drivers/hv/vmbus_drv.c
+++ b/drivers/hv/vmbus_drv.c
@@ -300,6 +300,8 @@ static ssize_t out_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_interrupt_mask);
}
@@ -313,6 +315,8 @@ static ssize_t out_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_read_index);
}
@@ -327,6 +331,8 @@ static ssize_t out_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.current_write_index);
}
@@ -341,6 +347,8 @@ static ssize_t out_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_toread);
}
@@ -355,6 +363,8 @@ static ssize_t out_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->outbound, &outbound);
return sprintf(buf, "%d\n", outbound.bytes_avail_towrite);
}
@@ -368,6 +378,8 @@ static ssize_t in_intr_mask_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_interrupt_mask);
}
@@ -381,6 +393,8 @@ static ssize_t in_read_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_read_index);
}
@@ -394,6 +408,8 @@ static ssize_t in_write_index_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.current_write_index);
}
@@ -408,6 +424,8 @@ static ssize_t in_read_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_toread);
}
@@ -422,6 +440,8 @@ static ssize_t in_write_bytes_avail_show(struct device *dev,
if (!hv_dev->channel)
return -ENODEV;
+ if (hv_dev->channel->state != CHANNEL_OPENED_STATE)
+ return -EINVAL;
hv_ringbuffer_get_debuginfo(&hv_dev->channel->inbound, &inbound);
return sprintf(buf, "%d\n", inbound.bytes_avail_towrite);
}
diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
index 60105ba77889..47f3f562d86f 100644
--- a/drivers/infiniband/ulp/srpt/ib_srpt.c
+++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
@@ -1775,8 +1775,8 @@ static void __srpt_close_all_ch(struct srpt_device *sdev)
list_for_each_entry(ch, &sdev->rch_list, list) {
if (srpt_disconnect_ch(ch) >= 0)
- pr_info("Closing channel %s-%d because target %s has been disabled\n",
- ch->sess_name, ch->qp->qp_num,
+ pr_info("Closing channel %s because target %s has been disabled\n",
+ ch->sess_name,
sdev->device->name);
srpt_close_ch(ch);
}
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index bad5c1bf4ed9..814a04e8fdd7 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -30,6 +30,7 @@
#include "pwrseq.h"
#define DEFAULT_CMD6_TIMEOUT_MS 500
+#define MIN_CACHE_EN_TIMEOUT_MS 1600
static const unsigned int tran_exp[] = {
10000, 100000, 1000000, 10000000,
@@ -526,8 +527,7 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd)
card->cid.year += 16;
/* check whether the eMMC card supports BKOPS */
- if (!mmc_card_broken_hpi(card) &&
- ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
+ if (ext_csd[EXT_CSD_BKOPS_SUPPORT] & 0x1) {
card->ext_csd.bkops = 1;
card->ext_csd.man_bkops_en =
(ext_csd[EXT_CSD_BKOPS_EN] &
@@ -1755,20 +1755,26 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr,
if (err) {
pr_warn("%s: Enabling HPI failed\n",
mmc_hostname(card->host));
+ card->ext_csd.hpi_en = 0;
err = 0;
- } else
+ } else {
card->ext_csd.hpi_en = 1;
+ }
}
/*
- * If cache size is higher than 0, this indicates
- * the existence of cache and it can be turned on.
+ * If cache size is higher than 0, this indicates the existence of cache
+ * and it can be turned on. Note that some eMMCs from Micron has been
+ * reported to need ~800 ms timeout, while enabling the cache after
+ * sudden power failure tests. Let's extend the timeout to a minimum of
+ * DEFAULT_CACHE_EN_TIMEOUT_MS and do it for all cards.
*/
- if (!mmc_card_broken_hpi(card) &&
- card->ext_csd.cache_size > 0) {
+ if (card->ext_csd.cache_size > 0) {
+ unsigned int timeout_ms = MIN_CACHE_EN_TIMEOUT_MS;
+
+ timeout_ms = max(card->ext_csd.generic_cmd6_time, timeout_ms);
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_CACHE_CTRL, 1,
- card->ext_csd.generic_cmd6_time);
+ EXT_CSD_CACHE_CTRL, 1, timeout_ms);
if (err && err != -EBADMSG)
goto free_card;
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 9e03fada16dc..3f3ff7530b76 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -2083,7 +2083,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
mmc->max_blk_size = 512; /* Block Length at max can be 1024 */
mmc->max_blk_count = 0xFFFF; /* No. of Blocks is 16 bits */
mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
- mmc->max_seg_size = mmc->max_req_size;
mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED |
MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_ERASE | MMC_CAP_CMD23;
@@ -2113,6 +2112,17 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
goto err_irq;
}
+ /*
+ * Limit the maximum segment size to the lower of the request size
+ * and the DMA engine device segment size limits. In reality, with
+ * 32-bit transfers, the DMA engine can do longer segments than this
+ * but there is no way to represent that in the DMA model - if we
+ * increase this figure here, we get warnings from the DMA API debug.
+ */
+ mmc->max_seg_size = min3(mmc->max_req_size,
+ dma_get_max_seg_size(host->rx_chan->device->dev),
+ dma_get_max_seg_size(host->tx_chan->device->dev));
+
/* Request IRQ for MMC operations */
ret = devm_request_irq(&pdev->dev, host->irq, omap_hsmmc_irq, 0,
mmc_hostname(mmc), host);
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d7a3379ea668..18a0952f68a8 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -2806,6 +2806,12 @@ static int hso_get_config_data(struct usb_interface *interface)
return -EIO;
}
+ /* check if we have a valid interface */
+ if (if_num > 16) {
+ kfree(config_data);
+ return -EINVAL;
+ }
+
switch (config_data[if_num]) {
case 0x0:
result = 0;
@@ -2876,10 +2882,18 @@ static int hso_probe(struct usb_interface *interface,
/* Get the interface/port specification from either driver_info or from
* the device itself */
- if (id->driver_info)
+ if (id->driver_info) {
+ /* if_num is controlled by the device, driver_info is a 0 terminated
+ * array. Make sure, the access is in bounds! */
+ for (i = 0; i <= if_num; ++i)
+ if (((u32 *)(id->driver_info))[i] == 0)
+ goto exit;
port_spec = ((u32 *)(id->driver_info))[if_num];
- else
+ } else {
port_spec = hso_get_config_data(interface);
+ if (port_spec < 0)
+ goto exit;
+ }
/* Check if we need to switch to alt interfaces prior to port
* configuration */
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index cebf0ce76d27..e9e466cae322 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -952,6 +952,15 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
int ret, i, j;
u16 cmd_wide_id = WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
+ /*
+ * This command is not supported on earlier firmware versions.
+ * Unfortunately, we don't have a TLV API flag to rely on, so
+ * rely on the major version which is in the first byte of
+ * ucode_ver.
+ */
+ if (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) < 41)
+ return 0;
+
ret = iwl_mvm_sar_get_wgds_table(mvm);
if (ret < 0) {
IWL_DEBUG_RADIO(mvm,
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index 4cbc6cb8bf89..0ff247326d6c 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -517,6 +517,56 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x24FD, 0x9074, iwl8265_2ac_cfg)},
/* 9000 Series */
+ {IWL_PCI_DEVICE(0x02F0, 0x0030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0038, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x003C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0060, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0064, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x00A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x00A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0230, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0234, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0238, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x023C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0260, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x0264, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x02A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x2030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x4030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x40A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x4234, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x02F0, 0x42A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0038, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x003C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0060, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0064, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x00A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x00A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0230, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0234, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0238, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x023C, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0260, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x0264, iwl9461_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x02A0, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x02A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x1551, iwl9560_killer_s_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x1552, iwl9560_killer_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x2030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x2034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x4030, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x4034, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x40A4, iwl9462_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x4234, iwl9560_2ac_cfg_soc)},
+ {IWL_PCI_DEVICE(0x06F0, 0x42A4, iwl9462_2ac_cfg_soc)},
{IWL_PCI_DEVICE(0x2526, 0x0010, iwl9260_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0014, iwl9260_2ac_cfg)},
{IWL_PCI_DEVICE(0x2526, 0x0018, iwl9260_2ac_cfg)},
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index c7b284587365..39754cc90043 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -133,6 +133,7 @@ static DEFINE_MUTEX(sd_ref_mutex);
static struct kmem_cache *sd_cdb_cache;
static mempool_t *sd_cdb_pool;
+static mempool_t *sd_page_pool;
static const char *sd_cache_types[] = {
"write through", "none", "write back",
@@ -759,9 +760,10 @@ static int sd_setup_unmap_cmnd(struct scsi_cmnd *cmd)
unsigned int data_len = 24;
char *buf;
- rq->special_vec.bv_page = alloc_page(GFP_ATOMIC | __GFP_ZERO);
+ rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
if (!rq->special_vec.bv_page)
return BLKPREP_DEFER;
+ clear_highpage(rq->special_vec.bv_page);
rq->special_vec.bv_offset = 0;
rq->special_vec.bv_len = data_len;
rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
@@ -792,9 +794,10 @@ static int sd_setup_write_same16_cmnd(struct scsi_cmnd *cmd, bool unmap)
u32 nr_sectors = blk_rq_sectors(rq) >> (ilog2(sdp->sector_size) - 9);
u32 data_len = sdp->sector_size;
- rq->special_vec.bv_page = alloc_page(GFP_ATOMIC | __GFP_ZERO);
+ rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
if (!rq->special_vec.bv_page)
return BLKPREP_DEFER;
+ clear_highpage(rq->special_vec.bv_page);
rq->special_vec.bv_offset = 0;
rq->special_vec.bv_len = data_len;
rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
@@ -822,9 +825,10 @@ static int sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd, bool unmap)
u32 nr_sectors = blk_rq_sectors(rq) >> (ilog2(sdp->sector_size) - 9);
u32 data_len = sdp->sector_size;
- rq->special_vec.bv_page = alloc_page(GFP_ATOMIC | __GFP_ZERO);
+ rq->special_vec.bv_page = mempool_alloc(sd_page_pool, GFP_ATOMIC);
if (!rq->special_vec.bv_page)
return BLKPREP_DEFER;
+ clear_highpage(rq->special_vec.bv_page);
rq->special_vec.bv_offset = 0;
rq->special_vec.bv_len = data_len;
rq->rq_flags |= RQF_SPECIAL_PAYLOAD;
@@ -1299,7 +1303,7 @@ static void sd_uninit_command(struct scsi_cmnd *SCpnt)
sd_zbc_write_unlock_zone(SCpnt);
if (rq->rq_flags & RQF_SPECIAL_PAYLOAD)
- __free_page(rq->special_vec.bv_page);
+ mempool_free(rq->special_vec.bv_page, sd_page_pool);
if (SCpnt->cmnd != scsi_req(rq)->cmd) {
cmnd = SCpnt->cmnd;
@@ -3655,6 +3659,13 @@ static int __init init_sd(void)
goto err_out_cache;
}
+ sd_page_pool = mempool_create_page_pool(SD_MEMPOOL_SIZE, 0);
+ if (!sd_page_pool) {
+ printk(KERN_ERR "sd: can't init discard page pool\n");
+ err = -ENOMEM;
+ goto err_out_ppool;
+ }
+
err = scsi_register_driver(&sd_template.gendrv);
if (err)
goto err_out_driver;
@@ -3662,6 +3673,9 @@ static int __init init_sd(void)
return 0;
err_out_driver:
+ mempool_destroy(sd_page_pool);
+
+err_out_ppool:
mempool_destroy(sd_cdb_pool);
err_out_cache:
@@ -3688,6 +3702,7 @@ static void __exit exit_sd(void)
scsi_unregister_driver(&sd_template.gendrv);
mempool_destroy(sd_cdb_pool);
+ mempool_destroy(sd_page_pool);
kmem_cache_destroy(sd_cdb_cache);
class_unregister(&sd_disk_class);
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index d51ca243a028..df18d07d544d 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -72,6 +72,7 @@ struct spi_imx_data;
struct spi_imx_devtype_data {
void (*intctrl)(struct spi_imx_data *, int);
+ int (*prepare_message)(struct spi_imx_data *, struct spi_message *);
int (*config)(struct spi_device *);
void (*trigger)(struct spi_imx_data *);
int (*rx_available)(struct spi_imx_data *);
@@ -439,11 +440,12 @@ static void mx51_ecspi_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MX51_ECSPI_CTRL);
}
-static int mx51_ecspi_config(struct spi_device *spi)
+static int mx51_ecspi_prepare_message(struct spi_imx_data *spi_imx,
+ struct spi_message *msg)
{
- struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
+ struct spi_device *spi = msg->spi;
u32 ctrl = MX51_ECSPI_CTRL_ENABLE;
- u32 clk = spi_imx->speed_hz, delay, reg;
+ u32 testreg;
u32 cfg = readl(spi_imx->base + MX51_ECSPI_CONFIG);
/*
@@ -461,14 +463,21 @@ static int mx51_ecspi_config(struct spi_device *spi)
if (spi->mode & SPI_READY)
ctrl |= MX51_ECSPI_CTRL_DRCTL(spi_imx->spi_drctl);
- /* set clock speed */
- ctrl |= mx51_ecspi_clkdiv(spi_imx, spi_imx->speed_hz, &clk);
- spi_imx->spi_bus_clk = clk;
-
/* set chip select to use */
ctrl |= MX51_ECSPI_CTRL_CS(spi->chip_select);
- ctrl |= (spi_imx->bits_per_word - 1) << MX51_ECSPI_CTRL_BL_OFFSET;
+ /*
+ * The ctrl register must be written first, with the EN bit set other
+ * registers must not be written to.
+ */
+ writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
+
+ testreg = readl(spi_imx->base + MX51_ECSPI_TESTREG);
+ if (spi->mode & SPI_LOOP)
+ testreg |= MX51_ECSPI_TESTREG_LBC;
+ else
+ testreg &= ~MX51_ECSPI_TESTREG_LBC;
+ writel(testreg, spi_imx->base + MX51_ECSPI_TESTREG);
cfg |= MX51_ECSPI_CONFIG_SBBCTRL(spi->chip_select);
@@ -484,26 +493,38 @@ static int mx51_ecspi_config(struct spi_device *spi)
cfg &= ~MX51_ECSPI_CONFIG_SCLKPOL(spi->chip_select);
cfg &= ~MX51_ECSPI_CONFIG_SCLKCTL(spi->chip_select);
}
+
if (spi->mode & SPI_CS_HIGH)
cfg |= MX51_ECSPI_CONFIG_SSBPOL(spi->chip_select);
else
cfg &= ~MX51_ECSPI_CONFIG_SSBPOL(spi->chip_select);
+ writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG);
+
+ return 0;
+}
+
+static int mx51_ecspi_config(struct spi_device *spi)
+{
+ struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
+ u32 ctrl = readl(spi_imx->base + MX51_ECSPI_CTRL);
+ u32 clk = spi_imx->speed_hz, delay;
+
+ /* Clear BL field and set the right value */
+ ctrl &= ~MX51_ECSPI_CTRL_BL_MASK;
+ ctrl |= (spi_imx->bits_per_word - 1) << MX51_ECSPI_CTRL_BL_OFFSET;
+
+ /* set clock speed */
+ ctrl &= ~(0xf << MX51_ECSPI_CTRL_POSTDIV_OFFSET |
+ 0xf << MX51_ECSPI_CTRL_PREDIV_OFFSET);
+ ctrl |= mx51_ecspi_clkdiv(spi_imx, spi_imx->speed_hz, &clk);
+ spi_imx->spi_bus_clk = clk;
+
if (spi_imx->usedma)
ctrl |= MX51_ECSPI_CTRL_SMC;
- /* CTRL register always go first to bring out controller from reset */
writel(ctrl, spi_imx->base + MX51_ECSPI_CTRL);
- reg = readl(spi_imx->base + MX51_ECSPI_TESTREG);
- if (spi->mode & SPI_LOOP)
- reg |= MX51_ECSPI_TESTREG_LBC;
- else
- reg &= ~MX51_ECSPI_TESTREG_LBC;
- writel(reg, spi_imx->base + MX51_ECSPI_TESTREG);
-
- writel(cfg, spi_imx->base + MX51_ECSPI_CONFIG);
-
/*
* Wait until the changes in the configuration register CONFIGREG
* propagate into the hardware. It takes exactly one tick of the
@@ -525,7 +546,6 @@ static int mx51_ecspi_config(struct spi_device *spi)
* Configure the DMA register: setup the watermark
* and enable DMA request.
*/
-
writel(MX51_ECSPI_DMA_RX_WML(spi_imx->wml) |
MX51_ECSPI_DMA_TX_WML(spi_imx->wml) |
MX51_ECSPI_DMA_RXT_WML(spi_imx->wml) |
@@ -599,6 +619,12 @@ static void mx31_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
+static int mx31_prepare_message(struct spi_imx_data *spi_imx,
+ struct spi_message *msg)
+{
+ return 0;
+}
+
static int mx31_config(struct spi_device *spi)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
@@ -695,6 +721,12 @@ static void mx21_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
+static int mx21_prepare_message(struct spi_imx_data *spi_imx,
+ struct spi_message *msg)
+{
+ return 0;
+}
+
static int mx21_config(struct spi_device *spi)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
@@ -764,6 +796,12 @@ static void mx1_trigger(struct spi_imx_data *spi_imx)
writel(reg, spi_imx->base + MXC_CSPICTRL);
}
+static int mx1_prepare_message(struct spi_imx_data *spi_imx,
+ struct spi_message *msg)
+{
+ return 0;
+}
+
static int mx1_config(struct spi_device *spi)
{
struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
@@ -798,6 +836,7 @@ static void mx1_reset(struct spi_imx_data *spi_imx)
static struct spi_imx_devtype_data imx1_cspi_devtype_data = {
.intctrl = mx1_intctrl,
+ .prepare_message = mx1_prepare_message,
.config = mx1_config,
.trigger = mx1_trigger,
.rx_available = mx1_rx_available,
@@ -810,6 +849,7 @@ static struct spi_imx_devtype_data imx1_cspi_devtype_data = {
static struct spi_imx_devtype_data imx21_cspi_devtype_data = {
.intctrl = mx21_intctrl,
+ .prepare_message = mx21_prepare_message,
.config = mx21_config,
.trigger = mx21_trigger,
.rx_available = mx21_rx_available,
@@ -823,6 +863,7 @@ static struct spi_imx_devtype_data imx21_cspi_devtype_data = {
static struct spi_imx_devtype_data imx27_cspi_devtype_data = {
/* i.mx27 cspi shares the functions with i.mx21 one */
.intctrl = mx21_intctrl,
+ .prepare_message = mx21_prepare_message,
.config = mx21_config,
.trigger = mx21_trigger,
.rx_available = mx21_rx_available,
@@ -835,6 +876,7 @@ static struct spi_imx_devtype_data imx27_cspi_devtype_data = {
static struct spi_imx_devtype_data imx31_cspi_devtype_data = {
.intctrl = mx31_intctrl,
+ .prepare_message = mx31_prepare_message,
.config = mx31_config,
.trigger = mx31_trigger,
.rx_available = mx31_rx_available,
@@ -848,6 +890,7 @@ static struct spi_imx_devtype_data imx31_cspi_devtype_data = {
static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
/* i.mx35 and later cspi shares the functions with i.mx31 one */
.intctrl = mx31_intctrl,
+ .prepare_message = mx31_prepare_message,
.config = mx31_config,
.trigger = mx31_trigger,
.rx_available = mx31_rx_available,
@@ -860,6 +903,7 @@ static struct spi_imx_devtype_data imx35_cspi_devtype_data = {
static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
.intctrl = mx51_ecspi_intctrl,
+ .prepare_message = mx51_ecspi_prepare_message,
.config = mx51_ecspi_config,
.trigger = mx51_ecspi_trigger,
.rx_available = mx51_ecspi_rx_available,
@@ -872,6 +916,7 @@ static struct spi_imx_devtype_data imx51_ecspi_devtype_data = {
static struct spi_imx_devtype_data imx53_ecspi_devtype_data = {
.intctrl = mx51_ecspi_intctrl,
+ .prepare_message = mx51_ecspi_prepare_message,
.config = mx51_ecspi_config,
.trigger = mx51_ecspi_trigger,
.rx_available = mx51_ecspi_rx_available,
@@ -1310,7 +1355,13 @@ spi_imx_prepare_message(struct spi_master *master, struct spi_message *msg)
return ret;
}
- return 0;
+ ret = spi_imx->devtype_data->prepare_message(spi_imx, msg);
+ if (ret) {
+ clk_disable(spi_imx->clk_ipg);
+ clk_disable(spi_imx->clk_per);
+ }
+
+ return ret;
}
static int
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 6b2f6c41e2a9..997ff183c9cb 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -1512,7 +1512,8 @@ int xhci_bus_suspend(struct usb_hcd *hcd)
portsc_buf[port_index] = 0;
/* Bail out if a USB3 port has a new device in link training */
- if ((t1 & PORT_PLS_MASK) == XDEV_POLLING) {
+ if ((hcd->speed >= HCD_USB3) &&
+ (t1 & PORT_PLS_MASK) == XDEV_POLLING) {
bus_state->bus_suspended = 0;
spin_unlock_irqrestore(&xhci->lock, flags);
xhci_dbg(xhci, "Bus suspend bailout, port in polling\n");
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 1ccff2d9dee9..cbc91536e512 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1859,6 +1859,8 @@ struct xhci_hcd {
unsigned sw_lpm_support:1;
/* support xHCI 1.0 spec USB2 hardware LPM */
unsigned hw_lpm_support:1;
+ /* Broken Suspend flag for SNPS Suspend resume issue */
+ unsigned broken_suspend:1;
/* cached usb2 extened protocol capabilites */
u32 *ext_caps;
unsigned int num_ext_caps;
@@ -1871,8 +1873,6 @@ struct xhci_hcd {
/* platform-specific data -- must come last */
unsigned long priv[0] __aligned(sizeof(s64));
- /* Broken Suspend flag for SNPS Suspend resume issue */
- u8 broken_suspend;
};
/* Platform specific overrides to generic XHCI hc_driver ops */
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 392fddc80c44..988be9ca2b4f 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1167,6 +1167,10 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1213, 0xff) },
{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE920A4_1214),
.driver_info = NCTRL(0) | RSVD(1) | RSVD(2) | RSVD(3) },
+ { USB_DEVICE(TELIT_VENDOR_ID, 0x1900), /* Telit LN940 (QMI) */
+ .driver_info = NCTRL(0) | RSVD(1) },
+ { USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1901, 0xff), /* Telit LN940 (MBIM) */
+ .driver_info = NCTRL(0) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
.driver_info = RSVD(1) },
@@ -1331,6 +1335,7 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0414, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0417, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x0602, 0xff) }, /* GosunCn ZTE WeLink ME3630 (MBIM mode) */
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff),
.driver_info = RSVD(4) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff),
@@ -1534,6 +1539,7 @@ static const struct usb_device_id option_ids[] = {
.driver_info = RSVD(2) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff), /* Telewell TW-LTE 4G v2 */
.driver_info = RSVD(2) },
+ { USB_DEVICE_INTERFACE_CLASS(ZTE_VENDOR_ID, 0x1476, 0xff) }, /* GosunCn ZTE WeLink ME3630 (ECM/NCM mode) */
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1533, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1534, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1535, 0xff, 0xff, 0xff) },
@@ -1761,6 +1767,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
{ USB_DEVICE(ALINK_VENDOR_ID, SIMCOM_PRODUCT_SIM7100E),
.driver_info = RSVD(5) | RSVD(6) },
+ { USB_DEVICE_INTERFACE_CLASS(0x1e0e, 0x9003, 0xff) }, /* Simcom SIM7500/SIM7600 MBIM mode */
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200),
.driver_info = NCTRL(0) | NCTRL(1) | RSVD(4) },
{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D),
@@ -1942,7 +1949,14 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD200, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_6802, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(WETELECOM_VENDOR_ID, WETELECOM_PRODUCT_WMD300, 0xff, 0xff, 0xff) },
- { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0x421d, 0xff, 0xff, 0xff) }, /* HP lt2523 (Novatel E371) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x10) }, /* HP lt4132 (Huawei ME906s-158) */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x12) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x13) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x14) },
+ { USB_DEVICE_AND_INTERFACE_INFO(0x03f0, 0xa31d, 0xff, 0x06, 0x1b) },
+ { USB_DEVICE(0x1508, 0x1001), /* Fibocom NL668 */
+ .driver_info = RSVD(4) | RSVD(5) | RSVD(6) },
{ } /* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 69309538ffb8..1581e8668b09 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -2020,14 +2020,14 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
/* We check for obvious errors in the output buffer length and offset */
if (*plen == 0)
goto ioctl_exit; /* server returned no data */
- else if (*plen > 0xFF00) {
+ else if (*plen > rsp_iov.iov_len || *plen > 0xFF00) {
cifs_dbg(VFS, "srv returned invalid ioctl length: %d\n", *plen);
*plen = 0;
rc = -EIO;
goto ioctl_exit;
}
- if (get_rfc1002_length(rsp) < le32_to_cpu(rsp->OutputOffset) + *plen) {
+ if (get_rfc1002_length(rsp) - *plen < le32_to_cpu(rsp->OutputOffset)) {
cifs_dbg(VFS, "Malformed ioctl resp: len %d offset %d\n", *plen,
le32_to_cpu(rsp->OutputOffset));
*plen = 0;
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index 82ac5f682b73..f69c545f5868 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -464,7 +464,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
inode = new_inode(sb);
if (!inode)
- goto out;
+ return ERR_PTR(-ENOMEM);
inode->i_ino = get_next_ino();
@@ -474,8 +474,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (unlikely(head->unregistering)) {
spin_unlock(&sysctl_lock);
iput(inode);
- inode = NULL;
- goto out;
+ return ERR_PTR(-ENOENT);
}
ei->sysctl = head;
ei->sysctl_entry = table;
@@ -500,7 +499,6 @@ static struct inode *proc_sys_make_inode(struct super_block *sb,
if (root->set_ownership)
root->set_ownership(head, table, &inode->i_uid, &inode->i_gid);
-out:
return inode;
}
@@ -549,10 +547,11 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry,
goto out;
}
- err = ERR_PTR(-ENOMEM);
inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p);
- if (!inode)
+ if (IS_ERR(inode)) {
+ err = ERR_CAST(inode);
goto out;
+ }
err = NULL;
d_set_d_op(dentry, &proc_sys_dentry_operations);
@@ -685,7 +684,7 @@ static bool proc_sys_fill_cache(struct file *file,
return false;
if (d_in_lookup(child)) {
inode = proc_sys_make_inode(dir->d_sb, head, table);
- if (!inode) {
+ if (IS_ERR(inode)) {
d_lookup_done(child);
dput(child);
return false;
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index ef820f803176..4e6e32c0c08a 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1147,8 +1147,7 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry,
struct ubifs_inode *ui;
struct ubifs_inode *dir_ui = ubifs_inode(dir);
struct ubifs_info *c = dir->i_sb->s_fs_info;
- int err, len = strlen(symname);
- int sz_change = CALC_DENT_SIZE(len);
+ int err, sz_change, len = strlen(symname);
struct fscrypt_str disk_link = FSTR_INIT((char *)symname, len + 1);
struct fscrypt_symlink_data *sd = NULL;
struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1,
@@ -1189,6 +1188,8 @@ static int ubifs_symlink(struct inode *dir, struct dentry *dentry,
if (err)
goto out_budg;
+ sz_change = CALC_DENT_SIZE(fname_len(&nm));
+
inode = ubifs_new_inode(c, dir, S_IFLNK | S_IRWXUGO);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c
index ae5c02f22f3e..d998fbf7de30 100644
--- a/fs/ubifs/replay.c
+++ b/fs/ubifs/replay.c
@@ -209,6 +209,38 @@ static int trun_remove_range(struct ubifs_info *c, struct replay_entry *r)
return ubifs_tnc_remove_range(c, &min_key, &max_key);
}
+/**
+ * inode_still_linked - check whether inode in question will be re-linked.
+ * @c: UBIFS file-system description object
+ * @rino: replay entry to test
+ *
+ * O_TMPFILE files can be re-linked, this means link count goes from 0 to 1.
+ * This case needs special care, otherwise all references to the inode will
+ * be removed upon the first replay entry of an inode with link count 0
+ * is found.
+ */
+static bool inode_still_linked(struct ubifs_info *c, struct replay_entry *rino)
+{
+ struct replay_entry *r;
+
+ ubifs_assert(rino->deletion);
+ ubifs_assert(key_type(c, &rino->key) == UBIFS_INO_KEY);
+
+ /*
+ * Find the most recent entry for the inode behind @rino and check
+ * whether it is a deletion.
+ */
+ list_for_each_entry_reverse(r, &c->replay_list, list) {
+ ubifs_assert(r->sqnum >= rino->sqnum);
+ if (key_inum(c, &r->key) == key_inum(c, &rino->key))
+ return r->deletion == 0;
+
+ }
+
+ ubifs_assert(0);
+ return false;
+}
+
/**
* apply_replay_entry - apply a replay entry to the TNC.
* @c: UBIFS file-system description object
@@ -239,6 +271,11 @@ static int apply_replay_entry(struct ubifs_info *c, struct replay_entry *r)
{
ino_t inum = key_inum(c, &r->key);
+ if (inode_still_linked(c, r)) {
+ err = 0;
+ break;
+ }
+
err = ubifs_tnc_remove_ino(c, inum);
break;
}
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 082de345b73c..3a7a14062668 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -254,4 +254,7 @@ static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor)
}
#endif /* mul_u64_u32_div */
+#define DIV64_U64_ROUND_UP(ll, d) \
+ ({ u64 _tmp = (d); div64_u64((ll) + _tmp - 1, _tmp); })
+
#endif /* _LINUX_MATH64_H */
diff --git a/kernel/panic.c b/kernel/panic.c
index bdd18afa19a4..32ff6fd30201 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -14,6 +14,7 @@
#include <linux/kmsg_dump.h>
#include <linux/kallsyms.h>
#include <linux/notifier.h>
+#include <linux/vt_kern.h>
#include <linux/module.h>
#include <linux/random.h>
#include <linux/ftrace.h>
@@ -230,7 +231,10 @@ void panic(const char *fmt, ...)
if (_crash_kexec_post_notifiers)
__crash_kexec(NULL);
- bust_spinlocks(0);
+#ifdef CONFIG_VT
+ unblank_screen();
+#endif
+ console_unblank();
/*
* We may have ended up stopping the CPU holding the lock (in
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c
index 55d45fe2cc17..d7e478a430e9 100644
--- a/kernel/time/posix-timers.c
+++ b/kernel/time/posix-timers.c
@@ -298,9 +298,6 @@ static void common_hrtimer_rearm(struct k_itimer *timr)
{
struct hrtimer *timer = &timr->it.real.timer;
- if (!timr->it_interval)
- return;
-
timr->it_overrun += hrtimer_forward(timer, timer->base->get_time(),
timr->it_interval);
hrtimer_restart(timer);
@@ -326,7 +323,7 @@ void posixtimer_rearm(struct siginfo *info)
if (!timr)
return;
- if (timr->it_requeue_pending == info->si_sys_private) {
+ if (timr->it_interval && timr->it_requeue_pending == info->si_sys_private) {
timr->kclock->timer_rearm(timr);
timr->it_active = 1;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index be56e2e1931e..9734e62654fa 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -2367,9 +2367,11 @@ static void get_scan_count(struct lruvec *lruvec, struct mem_cgroup *memcg,
/*
* Scan types proportional to swappiness and
* their relative recent reclaim efficiency.
+ * Make sure we don't miss the last page
+ * because of a round-off error.
*/
- scan = div64_u64(scan * fraction[file],
- denominator);
+ scan = DIV64_U64_ROUND_UP(scan * fraction[file],
+ denominator);
break;
case SCAN_FILE:
case SCAN_ANON:
diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index 5b888476d9ff..b728140c79a9 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -879,6 +879,9 @@ static int sta32x_probe(struct snd_soc_codec *codec)
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
struct sta32x_platform_data *pdata = sta32x->pdata;
int i, ret = 0, thermal = 0;
+
+ sta32x->codec = codec;
+
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index b205c1340456..5e53cafe6cf9 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -800,13 +800,10 @@ static int record__synthesize(struct record *rec, bool tail)
return 0;
if (file->is_pipe) {
- err = perf_event__synthesize_features(
- tool, session, rec->evlist, process_synthesized_event);
- if (err < 0) {
- pr_err("Couldn't synthesize features.\n");
- return err;
- }
-
+ /*
+ * We need to synthesize events first, because some
+ * features works on top of them (on report side).
+ */
err = perf_event__synthesize_attrs(tool, session,
process_synthesized_event);
if (err < 0) {
@@ -814,6 +811,13 @@ static int record__synthesize(struct record *rec, bool tail)
goto out;
}
+ err = perf_event__synthesize_features(tool, session, rec->evlist,
+ process_synthesized_event);
+ if (err < 0) {
+ pr_err("Couldn't synthesize features.\n");
+ return err;
+ }
+
if (have_tracepoints(&rec->evlist->entries)) {
/*
* FIXME err <= 0 here actually means that
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