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Date: Sun, 19 May 2013 11:33:13 -0700
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 3.4.46
diff --git a/Makefile b/Makefile
index 0ec4a35..3d88eb8 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 4
-SUBLEVEL = 45
+SUBLEVEL = 46
EXTRAVERSION =
NAME = Saber-toothed Squirrel
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index d87ee06..283a8d0 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -63,11 +63,11 @@
#define RX51_TSC2005_RESET_GPIO 104
#define RX51_TSC2005_IRQ_GPIO 100
-/* list all spi devices here */
+/* List all SPI devices here. Note that the list/probe order seems to matter! */
enum {
RX51_SPI_WL1251,
- RX51_SPI_MIPID, /* LCD panel */
RX51_SPI_TSC2005, /* Touch Controller */
+ RX51_SPI_MIPID, /* LCD panel */
};
static struct wl12xx_platform_data wl1251_pdata;
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index 557cff8..5e7e008 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -262,6 +262,8 @@ extern void rtas_progress(char *s, unsigned short hex);
extern void rtas_initialize(void);
extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
+extern int rtas_online_cpus_mask(cpumask_var_t cpus);
+extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
extern int rtas_ibm_suspend_me(struct rtas_args *);
struct rtc_time;
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index fcec382..225e9f2 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/capability.h>
#include <linux/delay.h>
+#include <linux/cpu.h>
#include <linux/smp.h>
#include <linux/completion.h>
#include <linux/cpumask.h>
@@ -808,6 +809,95 @@ static void rtas_percpu_suspend_me(void *info)
__rtas_suspend_cpu((struct rtas_suspend_me_data *)info, 1);
}
+enum rtas_cpu_state {
+ DOWN,
+ UP,
+};
+
+#ifndef CONFIG_SMP
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ if (!cpumask_empty(cpus)) {
+ cpumask_clear(cpus);
+ return -EINVAL;
+ } else
+ return 0;
+}
+#else
+/* On return cpumask will be altered to indicate CPUs changed.
+ * CPUs with states changed will be set in the mask,
+ * CPUs with status unchanged will be unset in the mask. */
+static int rtas_cpu_state_change_mask(enum rtas_cpu_state state,
+ cpumask_var_t cpus)
+{
+ int cpu;
+ int cpuret = 0;
+ int ret = 0;
+
+ if (cpumask_empty(cpus))
+ return 0;
+
+ for_each_cpu(cpu, cpus) {
+ switch (state) {
+ case DOWN:
+ cpuret = cpu_down(cpu);
+ break;
+ case UP:
+ cpuret = cpu_up(cpu);
+ break;
+ }
+ if (cpuret) {
+ pr_debug("%s: cpu_%s for cpu#%d returned %d.\n",
+ __func__,
+ ((state == UP) ? "up" : "down"),
+ cpu, cpuret);
+ if (!ret)
+ ret = cpuret;
+ if (state == UP) {
+ /* clear bits for unchanged cpus, return */
+ cpumask_shift_right(cpus, cpus, cpu);
+ cpumask_shift_left(cpus, cpus, cpu);
+ break;
+ } else {
+ /* clear bit for unchanged cpu, continue */
+ cpumask_clear_cpu(cpu, cpus);
+ }
+ }
+ }
+
+ return ret;
+}
+#endif
+
+int rtas_online_cpus_mask(cpumask_var_t cpus)
+{
+ int ret;
+
+ ret = rtas_cpu_state_change_mask(UP, cpus);
+
+ if (ret) {
+ cpumask_var_t tmp_mask;
+
+ if (!alloc_cpumask_var(&tmp_mask, GFP_TEMPORARY))
+ return ret;
+
+ /* Use tmp_mask to preserve cpus mask from first failure */
+ cpumask_copy(tmp_mask, cpus);
+ rtas_offline_cpus_mask(tmp_mask);
+ free_cpumask_var(tmp_mask);
+ }
+
+ return ret;
+}
+EXPORT_SYMBOL(rtas_online_cpus_mask);
+
+int rtas_offline_cpus_mask(cpumask_var_t cpus)
+{
+ return rtas_cpu_state_change_mask(DOWN, cpus);
+}
+EXPORT_SYMBOL(rtas_offline_cpus_mask);
+
int rtas_ibm_suspend_me(struct rtas_args *args)
{
long state;
@@ -815,6 +905,8 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
struct rtas_suspend_me_data data;
DECLARE_COMPLETION_ONSTACK(done);
+ cpumask_var_t offline_mask;
+ int cpuret;
if (!rtas_service_present("ibm,suspend-me"))
return -ENOSYS;
@@ -838,11 +930,24 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
return 0;
}
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
atomic_set(&data.working, 0);
atomic_set(&data.done, 0);
atomic_set(&data.error, 0);
data.token = rtas_token("ibm,suspend-me");
data.complete = &done;
+
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask, cpu_online_mask);
+ cpuret = rtas_online_cpus_mask(offline_mask);
+ if (cpuret) {
+ pr_err("%s: Could not bring present CPUs online.\n", __func__);
+ atomic_set(&data.error, cpuret);
+ goto out;
+ }
+
stop_topology_update();
/* Call function on all CPUs. One of us will make the
@@ -858,6 +963,14 @@ int rtas_ibm_suspend_me(struct rtas_args *args)
start_topology_update();
+ /* Take down CPUs not online prior to suspend */
+ cpuret = rtas_offline_cpus_mask(offline_mask);
+ if (cpuret)
+ pr_warn("%s: Could not restore CPUs to offline state.\n",
+ __func__);
+
+out:
+ free_cpumask_var(offline_mask);
return atomic_read(&data.error);
}
#else /* CONFIG_PPC_PSERIES */
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 47226e0..5f997e7 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c
@@ -16,6 +16,7 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/cpu.h>
#include <linux/delay.h>
#include <linux/suspend.h>
#include <linux/stat.h>
@@ -126,11 +127,15 @@ static ssize_t store_hibernate(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ cpumask_var_t offline_mask;
int rc;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
+ if (!alloc_cpumask_var(&offline_mask, GFP_TEMPORARY))
+ return -ENOMEM;
+
stream_id = simple_strtoul(buf, NULL, 16);
do {
@@ -140,15 +145,32 @@ static ssize_t store_hibernate(struct device *dev,
} while (rc == -EAGAIN);
if (!rc) {
+ /* All present CPUs must be online */
+ cpumask_andnot(offline_mask, cpu_present_mask,
+ cpu_online_mask);
+ rc = rtas_online_cpus_mask(offline_mask);
+ if (rc) {
+ pr_err("%s: Could not bring present CPUs online.\n",
+ __func__);
+ goto out;
+ }
+
stop_topology_update();
rc = pm_suspend(PM_SUSPEND_MEM);
start_topology_update();
+
+ /* Take down CPUs not online prior to suspend */
+ if (!rtas_offline_cpus_mask(offline_mask))
+ pr_warn("%s: Could not restore CPUs to offline "
+ "state.\n", __func__);
}
stream_id = 0;
if (!rc)
rc = count;
+out:
+ free_cpumask_var(offline_mask);
return rc;
}
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 4ff0ab9..90f5c0e 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -4889,6 +4889,12 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
if (err != EMULATE_DONE)
return 0;
+ if (vcpu->arch.halt_request) {
+ vcpu->arch.halt_request = 0;
+ ret = kvm_emulate_halt(vcpu);
+ goto out;
+ }
+
if (signal_pending(current))
goto out;
if (need_resched())
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 2992678..a7678fa 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -139,6 +139,21 @@ static void xen_vcpu_setup(int cpu)
BUG_ON(HYPERVISOR_shared_info == &xen_dummy_shared_info);
+ /*
+ * This path is called twice on PVHVM - first during bootup via
+ * smp_init -> xen_hvm_cpu_notify, and then if the VCPU is being
+ * hotplugged: cpu_up -> xen_hvm_cpu_notify.
+ * As we can only do the VCPUOP_register_vcpu_info once lets
+ * not over-write its result.
+ *
+ * For PV it is called during restore (xen_vcpu_restore) and bootup
+ * (xen_setup_vcpu_info_placement). The hotplug mechanism does not
+ * use this function.
+ */
+ if (xen_hvm_domain()) {
+ if (per_cpu(xen_vcpu, cpu) == &per_cpu(xen_vcpu_info, cpu))
+ return;
+ }
if (cpu < MAX_VIRT_CPUS)
per_cpu(xen_vcpu,cpu) = &HYPERVISOR_shared_info->vcpu_info[cpu];
diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c
index 149de45..af9f1f6 100644
--- a/drivers/acpi/acpica/exfldio.c
+++ b/drivers/acpi/acpica/exfldio.c
@@ -722,7 +722,19 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc,
if ((obj_desc->common_field.start_field_bit_offset == 0) &&
(obj_desc->common_field.bit_length == access_bit_width)) {
- status = acpi_ex_field_datum_io(obj_desc, 0, buffer, ACPI_READ);
+ if (buffer_length >= sizeof(u64)) {
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, buffer,
+ ACPI_READ);
+ } else {
+ /* Use raw_datum (u64) to handle buffers < 64 bits */
+
+ status =
+ acpi_ex_field_datum_io(obj_desc, 0, &raw_datum,
+ ACPI_READ);
+ ACPI_MEMCPY(buffer, &raw_datum, buffer_length);
+ }
+
return_ACPI_STATUS(status);
}
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index a51df96..f9914e5 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -217,7 +217,7 @@ static int ec_check_sci_sync(struct acpi_ec *ec, u8 state)
static int ec_poll(struct acpi_ec *ec)
{
unsigned long flags;
- int repeat = 2; /* number of command restarts */
+ int repeat = 5; /* number of command restarts */
while (repeat--) {
unsigned long delay = jiffies +
msecs_to_jiffies(ec_delay);
@@ -235,8 +235,6 @@ static int ec_poll(struct acpi_ec *ec)
}
advance_transaction(ec, acpi_ec_read_status(ec));
} while (time_before(jiffies, delay));
- if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF)
- break;
pr_debug(PREFIX "controller reset, restart transaction\n");
spin_lock_irqsave(&ec->curr_lock, flags);
start_transaction(ec);
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 43beaca..13cbdd3 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -2225,7 +2225,6 @@ static int drbd_asb_recover_1p(struct drbd_conf *mdev) __must_hold(local)
if (hg == -1 && mdev->state.role == R_PRIMARY) {
enum drbd_state_rv rv2;
- drbd_set_role(mdev, R_SECONDARY, 0);
/* drbd_change_state() does not sleep while in SS_IN_TRANSIENT_STATE,
* we might be here in C_WF_REPORT_PARAMS which is transient.
* we do not need to wait for the after state change work either. */
diff --git a/drivers/char/ipmi/ipmi_bt_sm.c b/drivers/char/ipmi/ipmi_bt_sm.c
index cdd4c09f..a22a7a5 100644
--- a/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/drivers/char/ipmi/ipmi_bt_sm.c
@@ -95,9 +95,9 @@ struct si_sm_data {
enum bt_states state;
unsigned char seq; /* BT sequence number */
struct si_sm_io *io;
- unsigned char write_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char write_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int write_count;
- unsigned char read_data[IPMI_MAX_MSG_LENGTH];
+ unsigned char read_data[IPMI_MAX_MSG_LENGTH + 2]; /* +2 for memcpy */
int read_count;
int truncated;
long timeout; /* microseconds countdown */
diff --git a/drivers/char/ipmi/ipmi_devintf.c b/drivers/char/ipmi/ipmi_devintf.c
index 9eb360f..d5a5f02 100644
--- a/drivers/char/ipmi/ipmi_devintf.c
+++ b/drivers/char/ipmi/ipmi_devintf.c
@@ -837,13 +837,25 @@ static long compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
return ipmi_ioctl(filep, cmd, arg);
}
}
+
+static long unlocked_compat_ipmi_ioctl(struct file *filep, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ mutex_lock(&ipmi_mutex);
+ ret = compat_ipmi_ioctl(filep, cmd, arg);
+ mutex_unlock(&ipmi_mutex);
+
+ return ret;
+}
#endif
static const struct file_operations ipmi_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = ipmi_unlocked_ioctl,
#ifdef CONFIG_COMPAT
- .compat_ioctl = compat_ipmi_ioctl,
+ .compat_ioctl = unlocked_compat_ipmi_ioctl,
#endif
.open = ipmi_open,
.release = ipmi_release,
diff --git a/drivers/dma/pch_dma.c b/drivers/dma/pch_dma.c
index 65c0495..d05669b 100644
--- a/drivers/dma/pch_dma.c
+++ b/drivers/dma/pch_dma.c
@@ -476,7 +476,7 @@ static struct pch_dma_desc *pdc_desc_get(struct pch_dma_chan *pd_chan)
dev_dbg(chan2dev(&pd_chan->chan), "scanned %d descriptors\n", i);
if (!ret) {
- ret = pdc_alloc_desc(&pd_chan->chan, GFP_NOIO);
+ ret = pdc_alloc_desc(&pd_chan->chan, GFP_ATOMIC);
if (ret) {
spin_lock(&pd_chan->lock);
pd_chan->descs_allocated++;
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 961fb54..7f88de6 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -680,33 +680,35 @@ void drm_mm_debug_table(struct drm_mm *mm, const char *prefix)
EXPORT_SYMBOL(drm_mm_debug_table);
#if defined(CONFIG_DEBUG_FS)
-int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
+static unsigned long drm_mm_dump_hole(struct seq_file *m, struct drm_mm_node *entry)
{
- struct drm_mm_node *entry;
- unsigned long total_used = 0, total_free = 0, total = 0;
unsigned long hole_start, hole_end, hole_size;
- hole_start = drm_mm_hole_node_start(&mm->head_node);
- hole_end = drm_mm_hole_node_end(&mm->head_node);
- hole_size = hole_end - hole_start;
- if (hole_size)
+ if (entry->hole_follows) {
+ hole_start = drm_mm_hole_node_start(entry);
+ hole_end = drm_mm_hole_node_end(entry);
+ hole_size = hole_end - hole_start;
seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
hole_start, hole_end, hole_size);
- total_free += hole_size;
+ return hole_size;
+ }
+
+ return 0;
+}
+
+int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm)
+{
+ struct drm_mm_node *entry;
+ unsigned long total_used = 0, total_free = 0, total = 0;
+
+ total_free += drm_mm_dump_hole(m, &mm->head_node);
drm_mm_for_each_node(entry, mm) {
seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: used\n",
entry->start, entry->start + entry->size,
entry->size);
total_used += entry->size;
- if (entry->hole_follows) {
- hole_start = drm_mm_hole_node_start(entry);
- hole_end = drm_mm_hole_node_end(entry);
- hole_size = hole_end - hole_start;
- seq_printf(m, "0x%08lx-0x%08lx: 0x%08lx: free\n",
- hole_start, hole_end, hole_size);
- total_free += hole_size;
- }
+ total_free += drm_mm_dump_hole(m, entry);
}
total = total_free + total_used;
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 1fe98b4..9aa02be 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -74,7 +74,7 @@ static int r300_emit_cliprects(drm_radeon_private_t *dev_priv,
OUT_RING(CP_PACKET0(R300_RE_CLIPRECT_TL_0, nr * 2 - 1));
for (i = 0; i < nr; ++i) {
- if (DRM_COPY_FROM_USER_UNCHECKED
+ if (DRM_COPY_FROM_USER
(&box, &cmdbuf->boxes[n + i], sizeof(box))) {
DRM_ERROR("copy cliprect faulted\n");
return -EFAULT;
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index 6f75887..ff62ddc 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -1117,6 +1117,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
s->pending_pool = mempool_create_slab_pool(MIN_IOS, pending_cache);
if (!s->pending_pool) {
ti->error = "Could not allocate mempool for pending exceptions";
+ r = -ENOMEM;
goto bad_pending_pool;
}
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 1555f0b..7c3ab8f 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2027,6 +2027,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
* thin devices' discard limits consistent).
*/
ti->discards_supported = 1;
+ ti->discard_zeroes_data_unsupported = 1;
}
ti->private = pt;
@@ -2443,7 +2444,6 @@ static void set_discard_limits(struct pool *pool, struct queue_limits *limits)
* bios that overlap 2 blocks.
*/
limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT;
- limits->discard_zeroes_data = pool->pf.zero_new_blocks;
}
static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
diff --git a/drivers/net/ethernet/3com/3c509.c b/drivers/net/ethernet/3com/3c509.c
index 41719da..9040a62 100644
--- a/drivers/net/ethernet/3com/3c509.c
+++ b/drivers/net/ethernet/3com/3c509.c
@@ -309,6 +309,7 @@ static int __devinit el3_isa_match(struct device *pdev,
if (!dev)
return -ENOMEM;
+ SET_NETDEV_DEV(dev, pdev);
netdev_boot_setup_check(dev);
if (!request_region(ioaddr, EL3_IO_EXTENT, "3c509-isa")) {
@@ -704,6 +705,7 @@ static int __init el3_eisa_probe (struct device *device)
return -ENOMEM;
}
+ SET_NETDEV_DEV(dev, device);
netdev_boot_setup_check(dev);
el3_dev_fill(dev, phys_addr, ioaddr, irq, if_port, EL3_EISA);
diff --git a/drivers/net/ethernet/3com/3c59x.c b/drivers/net/ethernet/3com/3c59x.c
index e463d10..5673d6e 100644
--- a/drivers/net/ethernet/3com/3c59x.c
+++ b/drivers/net/ethernet/3com/3c59x.c
@@ -632,7 +632,6 @@ struct vortex_private {
pm_state_valid:1, /* pci_dev->saved_config_space has sane contents */
open:1,
medialock:1,
- must_free_region:1, /* Flag: if zero, Cardbus owns the I/O region */
large_frames:1, /* accept large frames */
handling_irq:1; /* private in_irq indicator */
/* {get|set}_wol operations are already serialized by rtnl.
@@ -951,7 +950,7 @@ static int __devexit vortex_eisa_remove(struct device *device)
unregister_netdev(dev);
iowrite16(TotalReset|0x14, ioaddr + EL3_CMD);
- release_region(dev->base_addr, VORTEX_TOTAL_SIZE);
+ release_region(edev->base_addr, VORTEX_TOTAL_SIZE);
free_netdev(dev);
return 0;
@@ -1012,6 +1011,12 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
if (rc < 0)
goto out;
+ rc = pci_request_regions(pdev, DRV_NAME);
+ if (rc < 0) {
+ pci_disable_device(pdev);
+ goto out;
+ }
+
unit = vortex_cards_found;
if (global_use_mmio < 0 && (unit >= MAX_UNITS || use_mmio[unit] < 0)) {
@@ -1027,6 +1032,7 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
if (!ioaddr) /* If mapping fails, fall-back to BAR 0... */
ioaddr = pci_iomap(pdev, 0, 0);
if (!ioaddr) {
+ pci_release_regions(pdev);
pci_disable_device(pdev);
rc = -ENOMEM;
goto out;
@@ -1036,6 +1042,7 @@ static int __devinit vortex_init_one(struct pci_dev *pdev,
ent->driver_data, unit);
if (rc < 0) {
pci_iounmap(pdev, ioaddr);
+ pci_release_regions(pdev);
pci_disable_device(pdev);
goto out;
}
@@ -1179,11 +1186,6 @@ static int __devinit vortex_probe1(struct device *gendev,
/* PCI-only startup logic */
if (pdev) {
- /* EISA resources already marked, so only PCI needs to do this here */
- /* Ignore return value, because Cardbus drivers already allocate for us */
- if (request_region(dev->base_addr, vci->io_size, print_name) != NULL)
- vp->must_free_region = 1;
-
/* enable bus-mastering if necessary */
if (vci->flags & PCI_USES_MASTER)
pci_set_master(pdev);
@@ -1221,7 +1223,7 @@ static int __devinit vortex_probe1(struct device *gendev,
&vp->rx_ring_dma);
retval = -ENOMEM;
if (!vp->rx_ring)
- goto free_region;
+ goto free_device;
vp->tx_ring = (struct boom_tx_desc *)(vp->rx_ring + RX_RING_SIZE);
vp->tx_ring_dma = vp->rx_ring_dma + sizeof(struct boom_rx_desc) * RX_RING_SIZE;
@@ -1486,9 +1488,7 @@ free_ring:
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
-free_region:
- if (vp->must_free_region)
- release_region(dev->base_addr, vci->io_size);
+free_device:
free_netdev(dev);
pr_err(PFX "vortex_probe1 fails. Returns %d\n", retval);
out:
@@ -3256,8 +3256,9 @@ static void __devexit vortex_remove_one(struct pci_dev *pdev)
+ sizeof(struct boom_tx_desc) * TX_RING_SIZE,
vp->rx_ring,
vp->rx_ring_dma);
- if (vp->must_free_region)
- release_region(dev->base_addr, vp->io_size);
+
+ pci_release_regions(pdev);
+
free_netdev(dev);
}
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index dd037dd..cf20388 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1690,8 +1690,6 @@ static void rtl8169_rx_vlan_tag(struct RxDesc *desc, struct sk_buff *skb)
if (opts2 & RxVlanTag)
__vlan_hwaccel_put_tag(skb, swab16(opts2 & 0xffff));
-
- desc->opts2 = 0;
}
static int rtl8169_gset_tbi(struct net_device *dev, struct ethtool_cmd *cmd)
@@ -5434,8 +5432,6 @@ static int rtl_rx(struct net_device *dev, struct rtl8169_private *tp, u32 budget
!(status & (RxRWT | RxFOVF)) &&
(dev->features & NETIF_F_RXALL))
goto process_pkt;
-
- rtl8169_mark_to_asic(desc, rx_buf_sz);
} else {
struct sk_buff *skb;
dma_addr_t addr;
@@ -5456,16 +5452,14 @@ process_pkt:
if (unlikely(rtl8169_fragmented_frame(status))) {
dev->stats.rx_dropped++;
dev->stats.rx_length_errors++;
- rtl8169_mark_to_asic(desc, rx_buf_sz);
- continue;
+ goto release_descriptor;
}
skb = rtl8169_try_rx_copy(tp->Rx_databuff[entry],
tp, pkt_size, addr);
- rtl8169_mark_to_asic(desc, rx_buf_sz);
if (!skb) {
dev->stats.rx_dropped++;
- continue;
+ goto release_descriptor;
}
rtl8169_rx_csum(skb, status);
@@ -5481,6 +5475,10 @@ process_pkt:
tp->rx_stats.bytes += pkt_size;
u64_stats_update_end(&tp->rx_stats.syncp);
}
+release_descriptor:
+ desc->opts2 = 0;
+ wmb();
+ rtl8169_mark_to_asic(desc, rx_buf_sz);
}
count = cur_rx - tp->cur_rx;
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index eb85217..192026f 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -640,7 +640,7 @@ fail:
int efx_mcdi_get_board_cfg(struct efx_nic *efx, u8 *mac_address,
u16 *fw_subtype_list, u32 *capabilities)
{
- uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMIN];
+ uint8_t outbuf[MC_CMD_GET_BOARD_CFG_OUT_LENMAX];
size_t outlen, offset, i;
int port_num = efx_port_num(efx);
int rc;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 956a5ed..7160523 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -205,7 +205,8 @@ static rx_handler_result_t macvlan_handle_frame(struct sk_buff **pskb)
}
if (port->passthru)
- vlan = list_first_entry(&port->vlans, struct macvlan_dev, list);
+ vlan = list_first_or_null_rcu(&port->vlans,
+ struct macvlan_dev, list);
else
vlan = macvlan_hash_lookup(port, eth->h_dest);
if (vlan == NULL)
@@ -724,7 +725,7 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
if (err < 0)
goto destroy_port;
- list_add_tail(&vlan->list, &port->vlans);
+ list_add_tail_rcu(&vlan->list, &port->vlans);
netif_stacked_transfer_operstate(lowerdev, dev);
return 0;
@@ -750,7 +751,7 @@ void macvlan_dellink(struct net_device *dev, struct list_head *head)
{
struct macvlan_dev *vlan = netdev_priv(dev);
- list_del(&vlan->list);
+ list_del_rcu(&vlan->list);
unregister_netdevice_queue(dev, head);
}
EXPORT_SYMBOL_GPL(macvlan_dellink);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 8669c77..3b6e932 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -9,6 +9,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ethtool.h>
+#include <linux/etherdevice.h>
#include <linux/mii.h>
#include <linux/usb.h>
#include <linux/usb/cdc.h>
@@ -174,6 +175,93 @@ err:
return status;
}
+/* default ethernet address used by the modem */
+static const u8 default_modem_addr[ETH_ALEN] = {0x02, 0x50, 0xf3};
+
+/* Make up an ethernet header if the packet doesn't have one.
+ *
+ * A firmware bug common among several devices cause them to send raw
+ * IP packets under some circumstances. There is no way for the
+ * driver/host to know when this will happen. And even when the bug
+ * hits, some packets will still arrive with an intact header.
+ *
+ * The supported devices are only capably of sending IPv4, IPv6 and
+ * ARP packets on a point-to-point link. Any packet with an ethernet
+ * header will have either our address or a broadcast/multicast
+ * address as destination. ARP packets will always have a header.
+ *
+ * This means that this function will reliably add the appropriate
+ * header iff necessary, provided our hardware address does not start
+ * with 4 or 6.
+ *
+ * Another common firmware bug results in all packets being addressed
+ * to 00:a0:c6:00:00:00 despite the host address being different.
+ * This function will also fixup such packets.
+ */
+static int qmi_wwan_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+ __be16 proto;
+
+ /* usbnet rx_complete guarantees that skb->len is at least
+ * hard_header_len, so we can inspect the dest address without
+ * checking skb->len
+ */
+ switch (skb->data[0] & 0xf0) {
+ case 0x40:
+ proto = htons(ETH_P_IP);
+ break;
+ case 0x60:
+ proto = htons(ETH_P_IPV6);
+ break;
+ case 0x00:
+ if (is_multicast_ether_addr(skb->data))
+ return 1;
+ /* possibly bogus destination - rewrite just in case */
+ skb_reset_mac_header(skb);
+ goto fix_dest;
+ default:
+ /* pass along other packets without modifications */
+ return 1;
+ }
+ if (skb_headroom(skb) < ETH_HLEN)
+ return 0;
+ skb_push(skb, ETH_HLEN);
+ skb_reset_mac_header(skb);
+ eth_hdr(skb)->h_proto = proto;
+ memset(eth_hdr(skb)->h_source, 0, ETH_ALEN);
+fix_dest:
+ memcpy(eth_hdr(skb)->h_dest, dev->net->dev_addr, ETH_ALEN);
+ return 1;
+}
+
+/* very simplistic detection of IPv4 or IPv6 headers */
+static bool possibly_iphdr(const char *data)
+{
+ return (data[0] & 0xd0) == 0x40;
+}
+
+/* disallow addresses which may be confused with IP headers */
+static int qmi_wwan_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+
+ if (!is_valid_ether_addr(addr->sa_data) ||
+ possibly_iphdr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+ memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ return 0;
+}
+
+static const struct net_device_ops qmi_wwan_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_set_mac_address = qmi_wwan_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* using a counter to merge subdriver requests with our own into a combined state */
static int qmi_wwan_manage_power(struct usbnet *dev, int on)
{
@@ -257,6 +345,18 @@ static int qmi_wwan_bind_shared(struct usbnet *dev, struct usb_interface *intf)
/* save subdriver struct for suspend/resume wrappers */
dev->data[0] = (unsigned long)subdriver;
+ /* Never use the same address on both ends of the link, even
+ * if the buggy firmware told us to.
+ */
+ if (!compare_ether_addr(dev->net->dev_addr, default_modem_addr))
+ eth_hw_addr_random(dev->net);
+
+ /* make MAC addr easily distinguishable from an IP header */
+ if (possibly_iphdr(dev->net->dev_addr)) {
+ dev->net->dev_addr[0] |= 0x02; /* set local assignment bit */
+ dev->net->dev_addr[0] &= 0xbf; /* clear "IP" bit */
+ }
+ dev->net->netdev_ops = &qmi_wwan_netdev_ops;
err:
return rv;
}
@@ -326,6 +426,7 @@ static const struct driver_info qmi_wwan_shared = {
.bind = qmi_wwan_bind_shared,
.unbind = qmi_wwan_unbind_shared,
.manage_power = qmi_wwan_manage_power,
+ .rx_fixup = qmi_wwan_rx_fixup,
};
static const struct driver_info qmi_wwan_force_int0 = {
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 91e2c4f..f6a095f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1711,6 +1711,7 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_node *an = (struct ath_node *) sta->drv_priv;
struct ieee80211_key_conf ps_key = { };
+ int key;
ath_node_attach(sc, sta, vif);
@@ -1718,7 +1719,9 @@ static int ath9k_sta_add(struct ieee80211_hw *hw,
vif->type != NL80211_IFTYPE_AP_VLAN)
return 0;
- an->ps_key = ath_key_config(common, vif, sta, &ps_key);
+ key = ath_key_config(common, vif, sta, &ps_key);
+ if (key > 0)
+ an->ps_key = key;
return 0;
}
@@ -1735,6 +1738,7 @@ static void ath9k_del_ps_key(struct ath_softc *sc,
return;
ath_key_delete(common, &ps_key);
+ an->ps_key = 0;
}
static int ath9k_sta_remove(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index bb2848a..448f545 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -1733,6 +1733,25 @@ drop_recycle_buffer:
sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize);
}
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring)
+{
+ int current_slot, previous_slot;
+
+ B43_WARN_ON(ring->tx);
+
+ /* Device has filled all buffers, drop all packets and let TCP
+ * decrease speed.
+ * Decrement RX index by one will let the device to see all slots
+ * as free again
+ */
+ /*
+ *TODO: How to increase rx_drop in mac80211?
+ */
+ current_slot = ring->ops->get_current_rxslot(ring);
+ previous_slot = prev_slot(ring, current_slot);
+ ring->ops->set_current_rxslot(ring, previous_slot);
+}
+
void b43_dma_rx(struct b43_dmaring *ring)
{
const struct b43_dma_ops *ops = ring->ops;
diff --git a/drivers/net/wireless/b43/dma.h b/drivers/net/wireless/b43/dma.h
index 9fdd198..df8c8cd 100644
--- a/drivers/net/wireless/b43/dma.h
+++ b/drivers/net/wireless/b43/dma.h
@@ -9,7 +9,7 @@
/* DMA-Interrupt reasons. */
#define B43_DMAIRQ_FATALMASK ((1 << 10) | (1 << 11) | (1 << 12) \
| (1 << 14) | (1 << 15))
-#define B43_DMAIRQ_NONFATALMASK (1 << 13)
+#define B43_DMAIRQ_RDESC_UFLOW (1 << 13)
#define B43_DMAIRQ_RX_DONE (1 << 16)
/*** 32-bit DMA Engine. ***/
@@ -295,6 +295,8 @@ int b43_dma_tx(struct b43_wldev *dev,
void b43_dma_handle_txstatus(struct b43_wldev *dev,
const struct b43_txstatus *status);
+void b43_dma_handle_rx_overflow(struct b43_dmaring *ring);
+
void b43_dma_rx(struct b43_dmaring *ring);
void b43_dma_direct_fifo_rx(struct b43_wldev *dev,
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 14fd2ca..b54c750 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -1895,30 +1895,18 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
}
}
- if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK |
- B43_DMAIRQ_NONFATALMASK))) {
- if (merged_dma_reason & B43_DMAIRQ_FATALMASK) {
- b43err(dev->wl, "Fatal DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- b43err(dev->wl, "This device does not support DMA "
+ if (unlikely(merged_dma_reason & (B43_DMAIRQ_FATALMASK))) {
+ b43err(dev->wl,
+ "Fatal DMA error: 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X, 0x%08X\n",
+ dma_reason[0], dma_reason[1],
+ dma_reason[2], dma_reason[3],
+ dma_reason[4], dma_reason[5]);
+ b43err(dev->wl, "This device does not support DMA "
"on your system. It will now be switched to PIO.\n");
- /* Fall back to PIO transfers if we get fatal DMA errors! */
- dev->use_pio = true;
- b43_controller_restart(dev, "DMA error");
- return;
- }
- if (merged_dma_reason & B43_DMAIRQ_NONFATALMASK) {
- b43err(dev->wl, "DMA error: "
- "0x%08X, 0x%08X, 0x%08X, "
- "0x%08X, 0x%08X, 0x%08X\n",
- dma_reason[0], dma_reason[1],
- dma_reason[2], dma_reason[3],
- dma_reason[4], dma_reason[5]);
- }
+ /* Fall back to PIO transfers if we get fatal DMA errors! */
+ dev->use_pio = true;
+ b43_controller_restart(dev, "DMA error");
+ return;
}
if (unlikely(reason & B43_IRQ_UCODE_DEBUG))
@@ -1937,6 +1925,11 @@ static void b43_do_interrupt_thread(struct b43_wldev *dev)
handle_irq_noise(dev);
/* Check the DMA reason registers for received data. */
+ if (dma_reason[0] & B43_DMAIRQ_RDESC_UFLOW) {
+ if (B43_DEBUG)
+ b43warn(dev->wl, "RX descriptor underrun\n");
+ b43_dma_handle_rx_overflow(dev->dma.rx_ring);
+ }
if (dma_reason[0] & B43_DMAIRQ_RX_DONE) {
if (b43_using_pio_transfers(dev))
b43_pio_rx(dev->pio.rx_queue);
@@ -1994,7 +1987,7 @@ static irqreturn_t b43_do_interrupt(struct b43_wldev *dev)
return IRQ_NONE;
dev->dma_reason[0] = b43_read32(dev, B43_MMIO_DMA0_REASON)
- & 0x0001DC00;
+ & 0x0001FC00;
dev->dma_reason[1] = b43_read32(dev, B43_MMIO_DMA1_REASON)
& 0x0000DC00;
dev->dma_reason[2] = b43_read32(dev, B43_MMIO_DMA2_REASON)
@@ -3122,7 +3115,7 @@ static int b43_chip_init(struct b43_wldev *dev)
b43_write32(dev, 0x018C, 0x02000000);
}
b43_write32(dev, B43_MMIO_GEN_IRQ_REASON, 0x00004000);
- b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001DC00);
+ b43_write32(dev, B43_MMIO_DMA0_IRQ_MASK, 0x0001FC00);
b43_write32(dev, B43_MMIO_DMA1_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA2_IRQ_MASK, 0x0000DC00);
b43_write32(dev, B43_MMIO_DMA3_IRQ_MASK, 0x0001DC00);
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 2977a12..3050b6a 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1084,6 +1084,7 @@ mwifiex_process_hs_config(struct mwifiex_adapter *adapter)
adapter->if_ops.wakeup(adapter);
adapter->hs_activated = false;
adapter->is_hs_configured = false;
+ adapter->is_suspended = false;
mwifiex_hs_activated_event(mwifiex_get_priv(adapter,
MWIFIEX_BSS_ROLE_ANY),
false);
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 4fb146a..dc70c0f 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -105,7 +105,7 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
} else {
/* Multicast */
priv->curr_pkt_filter &= ~HostCmd_ACT_MAC_PROMISCUOUS_ENABLE;
- if (mcast_list->mode == MWIFIEX_MULTICAST_MODE) {
+ if (mcast_list->mode == MWIFIEX_ALL_MULTI_MODE) {
dev_dbg(priv->adapter->dev,
"info: Enabling All Multicast!\n");
priv->curr_pkt_filter |=
@@ -117,20 +117,11 @@ int mwifiex_request_set_multicast_list(struct mwifiex_private *priv,
dev_dbg(priv->adapter->dev,
"info: Set multicast list=%d\n",
mcast_list->num_multicast_addr);
- /* Set multicast addresses to firmware */
- if (old_pkt_filter == priv->curr_pkt_filter) {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- } else {
- /* Send request to firmware */
- ret = mwifiex_send_cmd_async(priv,
- HostCmd_CMD_MAC_MULTICAST_ADR,
- HostCmd_ACT_GEN_SET, 0,
- mcast_list);
- }
+ /* Send multicast addresses to firmware */
+ ret = mwifiex_send_cmd_async(priv,
+ HostCmd_CMD_MAC_MULTICAST_ADR,
+ HostCmd_ACT_GEN_SET, 0,
+ mcast_list);
}
}
}
diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c
index 22b2dfa..fdacfce 100644
--- a/drivers/platform/x86/hp_accel.c
+++ b/drivers/platform/x86/hp_accel.c
@@ -362,7 +362,8 @@ static int lis3lv02d_suspend(struct acpi_device *device, pm_message_t state)
static int lis3lv02d_resume(struct acpi_device *device)
{
- return lis3lv02d_poweron(&lis3_dev);
+ lis3lv02d_poweron(&lis3_dev);
+ return 0;
}
#else
#define lis3lv02d_suspend NULL
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index 8361187..9ea2555 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -264,6 +264,7 @@ static int __devinit pcf2123_probe(struct spi_device *spi)
if (!(rxbuf[0] & 0x20)) {
dev_err(&spi->dev, "chip not found\n");
+ ret = -ENODEV;
goto kfree_exit;
}
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 5b3cadb..2bbb845 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -140,6 +140,7 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
char *buffer_data;
struct scsi_mode_data data;
struct scsi_sense_hdr sshdr;
+ const char *temp = "temporary ";
int len;
if (sdp->type != TYPE_DISK)
@@ -148,6 +149,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
* it's not worth the risk */
return -EINVAL;
+ if (strncmp(buf, temp, sizeof(temp) - 1) == 0) {
+ buf += sizeof(temp) - 1;
+ sdkp->cache_override = 1;
+ } else {
+ sdkp->cache_override = 0;
+ }
+
for (i = 0; i < ARRAY_SIZE(sd_cache_types); i++) {
len = strlen(sd_cache_types[i]);
if (strncmp(sd_cache_types[i], buf, len) == 0 &&
@@ -160,6 +168,13 @@ sd_store_cache_type(struct device *dev, struct device_attribute *attr,
return -EINVAL;
rcd = ct & 0x01 ? 1 : 0;
wce = ct & 0x02 ? 1 : 0;
+
+ if (sdkp->cache_override) {
+ sdkp->WCE = wce;
+ sdkp->RCD = rcd;
+ return count;
+ }
+
if (scsi_mode_sense(sdp, 0x08, 8, buffer, sizeof(buffer), SD_TIMEOUT,
SD_MAX_RETRIES, &data, NULL))
return -EINVAL;
@@ -2126,6 +2141,10 @@ sd_read_cache_type(struct scsi_disk *sdkp, unsigned char *buffer)
int old_rcd = sdkp->RCD;
int old_dpofua = sdkp->DPOFUA;
+
+ if (sdkp->cache_override)
+ return;
+
first_len = 4;
if (sdp->skip_ms_page_8) {
if (sdp->type == TYPE_RBC)
@@ -2607,6 +2626,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie)
sdkp->capacity = 0;
sdkp->media_present = 1;
sdkp->write_prot = 0;
+ sdkp->cache_override = 0;
sdkp->WCE = 0;
sdkp->RCD = 0;
sdkp->ATO = 0;
diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h
index f703f48..e2b2956 100644
--- a/drivers/scsi/sd.h
+++ b/drivers/scsi/sd.h
@@ -67,6 +67,7 @@ struct scsi_disk {
u8 protection_type;/* Data Integrity Field */
u8 provisioning_mode;
unsigned ATO : 1; /* state of disk ATO bit */
+ unsigned cache_override : 1; /* temp override of WCE,RCD */
unsigned WCE : 1; /* state of disk WCE bit */
unsigned RCD : 1; /* state of disk RCD bit, unused */
unsigned DPOFUA : 1; /* state of disk DPOFUA bit */
diff --git a/drivers/target/iscsi/iscsi_target_erl1.c b/drivers/target/iscsi/iscsi_target_erl1.c
index 006f605..fd669b5 100644
--- a/drivers/target/iscsi/iscsi_target_erl1.c
+++ b/drivers/target/iscsi/iscsi_target_erl1.c
@@ -824,7 +824,7 @@ static int iscsit_attach_ooo_cmdsn(
/*
* CmdSN is greater than the tail of the list.
*/
- if (ooo_tail->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tail->cmdsn, ooo_cmdsn->cmdsn))
list_add_tail(&ooo_cmdsn->ooo_list,
&sess->sess_ooo_cmdsn_list);
else {
@@ -834,11 +834,12 @@ static int iscsit_attach_ooo_cmdsn(
*/
list_for_each_entry(ooo_tmp, &sess->sess_ooo_cmdsn_list,
ooo_list) {
- if (ooo_tmp->cmdsn < ooo_cmdsn->cmdsn)
+ if (iscsi_sna_lt(ooo_tmp->cmdsn, ooo_cmdsn->cmdsn))
continue;
+ /* Insert before this entry */
list_add(&ooo_cmdsn->ooo_list,
- &ooo_tmp->ooo_list);
+ ooo_tmp->ooo_list.prev);
break;
}
}
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index ec970cb..19e4518 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -1980,7 +1980,11 @@ repeat:
group = ac->ac_g_ex.fe_group;
for (i = 0; i < ngroups; group++, i++) {
- if (group == ngroups)
+ /*
+ * Artificially restricted ngroups for non-extent
+ * files makes group > ngroups possible on first loop.
+ */
+ if (group >= ngroups)
group = 0;
/* This now checks without needing the buddy page */
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 001ef01..36ad5b4 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -927,9 +927,13 @@ static int can_do_hugetlb_shm(void)
return capable(CAP_IPC_LOCK) || in_group_p(sysctl_hugetlb_shm_group);
}
-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acctflag,
- struct user_struct **user, int creat_flags)
+/*
+ * Note that size should be aligned to proper hugepage size in caller side,
+ * otherwise hugetlb_reserve_pages reserves one less hugepages than intended.
+ */
+struct file *hugetlb_file_setup(const char *name, size_t size,
+ vm_flags_t acctflag, struct user_struct **user,
+ int creat_flags)
{
int error = -ENOMEM;
struct file *file;
@@ -937,8 +941,6 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
struct path path;
struct dentry *root;
struct qstr quick_string;
- struct hstate *hstate;
- unsigned long num_pages;
*user = NULL;
if (!hugetlbfs_vfsmount)
@@ -972,12 +974,10 @@ struct file *hugetlb_file_setup(const char *name, unsigned long addr,
if (!inode)
goto out_dentry;
- hstate = hstate_inode(inode);
- size += addr & ~huge_page_mask(hstate);
- num_pages = ALIGN(size, huge_page_size(hstate)) >>
- huge_page_shift(hstate);
error = -ENOMEM;
- if (hugetlb_reserve_pages(inode, 0, num_pages, NULL, acctflag))
+ if (hugetlb_reserve_pages(inode, 0,
+ size >> huge_page_shift(hstate_inode(inode)), NULL,
+ acctflag))
goto out_inode;
d_instantiate(path.dentry, inode);
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index dd0308d..64198ed 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -270,6 +270,7 @@ static __be32
do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_open *open)
{
__be32 status;
+ int accmode = 0;
/* We don't know the target directory, and therefore can not
* set the change info
@@ -283,9 +284,19 @@ do_open_fhandle(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_
open->op_truncate = (open->op_iattr.ia_valid & ATTR_SIZE) &&
(open->op_iattr.ia_size == 0);
+ /*
+ * In the delegation case, the client is telling us about an
+ * open that it *already* performed locally, some time ago. We
+ * should let it succeed now if possible.
+ *
+ * In the case of a CLAIM_FH open, on the other hand, the client
+ * may be counting on us to enforce permissions (the Linux 4.1
+ * client uses this for normal opens, for example).
+ */
+ if (open->op_claim_type == NFS4_OPEN_CLAIM_DELEG_CUR_FH)
+ accmode = NFSD_MAY_OWNER_OVERRIDE;
- status = do_open_permission(rqstp, current_fh, open,
- NFSD_MAY_OWNER_OVERRIDE);
+ status = do_open_permission(rqstp, current_fh, open, accmode);
return status;
}
diff --git a/include/linux/audit.h b/include/linux/audit.h
index ed3ef19..4f334d5 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -480,7 +480,7 @@ static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
unsigned long a1, unsigned long a2,
unsigned long a3)
{
- if (unlikely(!audit_dummy_context()))
+ if (unlikely(current->audit_context))
__audit_syscall_entry(arch, major, a0, a1, a2, a3);
}
static inline void audit_syscall_exit(void *pt_regs)
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index 000837e..2c36a71 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -152,8 +152,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
extern const struct file_operations hugetlbfs_file_operations;
extern const struct vm_operations_struct hugetlb_vm_ops;
-struct file *hugetlb_file_setup(const char *name, unsigned long addr,
- size_t size, vm_flags_t acct,
+struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct,
struct user_struct **user, int creat_flags);
static inline int is_file_hugepages(struct file *file)
@@ -170,8 +169,8 @@ static inline int is_file_hugepages(struct file *file)
#define is_file_hugepages(file) 0
static inline struct file *
-hugetlb_file_setup(const char *name, unsigned long addr, size_t size,
- vm_flags_t acctflag, struct user_struct **user, int creat_flags)
+hugetlb_file_setup(const char *name, size_t size, vm_flags_t acctflag,
+ struct user_struct **user, int creat_flags)
{
return ERR_PTR(-ENOSYS);
}
@@ -294,7 +293,7 @@ static inline unsigned hstate_index_to_shift(unsigned index)
return hstates[index].order + PAGE_SHIFT;
}
-#else
+#else /* CONFIG_HUGETLB_PAGE */
struct hstate {};
#define alloc_huge_page_node(h, nid) NULL
#define alloc_bootmem_huge_page(h) NULL
diff --git a/include/linux/if_cablemodem.h b/include/linux/if_cablemodem.h
index 9ca1007..ee6b3c4 100644
--- a/include/linux/if_cablemodem.h
+++ b/include/linux/if_cablemodem.h
@@ -12,11 +12,11 @@
*/
/* some useful defines for sb1000.c e cmconfig.c - fv */
-#define SIOCGCMSTATS SIOCDEVPRIVATE+0 /* get cable modem stats */
-#define SIOCGCMFIRMWARE SIOCDEVPRIVATE+1 /* get cm firmware version */
-#define SIOCGCMFREQUENCY SIOCDEVPRIVATE+2 /* get cable modem frequency */
-#define SIOCSCMFREQUENCY SIOCDEVPRIVATE+3 /* set cable modem frequency */
-#define SIOCGCMPIDS SIOCDEVPRIVATE+4 /* get cable modem PIDs */
-#define SIOCSCMPIDS SIOCDEVPRIVATE+5 /* set cable modem PIDs */
+#define SIOCGCMSTATS (SIOCDEVPRIVATE+0) /* get cable modem stats */
+#define SIOCGCMFIRMWARE (SIOCDEVPRIVATE+1) /* get cm firmware version */
+#define SIOCGCMFREQUENCY (SIOCDEVPRIVATE+2) /* get cable modem frequency */
+#define SIOCSCMFREQUENCY (SIOCDEVPRIVATE+3) /* set cable modem frequency */
+#define SIOCGCMPIDS (SIOCDEVPRIVATE+4) /* get cable modem PIDs */
+#define SIOCSCMPIDS (SIOCDEVPRIVATE+5) /* set cable modem PIDs */
#endif
diff --git a/include/linux/rculist.h b/include/linux/rculist.h
index d079290..6f95e24 100644
--- a/include/linux/rculist.h
+++ b/include/linux/rculist.h
@@ -242,6 +242,23 @@ static inline void list_splice_init_rcu(struct list_head *list,
list_entry_rcu((ptr)->next, type, member)
/**
+ * list_first_or_null_rcu - get the first element from a list
+ * @ptr: the list head to take the element from.
+ * @type: the type of the struct this is embedded in.
+ * @member: the name of the list_struct within the struct.
+ *
+ * Note that if the list is empty, it returns NULL.
+ *
+ * This primitive may safely run concurrently with the _rcu list-mutation
+ * primitives such as list_add_rcu() as long as it's guarded by rcu_read_lock().
+ */
+#define list_first_or_null_rcu(ptr, type, member) \
+ ({struct list_head *__ptr = (ptr); \
+ struct list_head __rcu *__next = list_next_rcu(__ptr); \
+ likely(__ptr != __next) ? container_of(__next, type, member) : NULL; \
+ })
+
+/**
* list_for_each_entry_rcu - iterate over rcu list of given type
* @pos: the type * to use as a loop cursor.
* @head: the head for your list.
diff --git a/include/net/sock.h b/include/net/sock.h
index 59a8947..f673ba5 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -793,6 +793,18 @@ struct inet_hashinfo;
struct raw_hashinfo;
struct module;
+/*
+ * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
+ * un-modified. Special care is taken when initializing object to zero.
+ */
+static inline void sk_prot_clear_nulls(struct sock *sk, int size)
+{
+ if (offsetof(struct sock, sk_node.next) != 0)
+ memset(sk, 0, offsetof(struct sock, sk_node.next));
+ memset(&sk->sk_node.pprev, 0,
+ size - offsetof(struct sock, sk_node.pprev));
+}
+
/* Networking protocol blocks we attach to sockets.
* socket layer -> transport layer interface
* transport -> network interface is defined by struct inet_proto
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 2757a11..8376a6a 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -948,6 +948,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
if (sysctl_tcp_low_latency || !tp->ucopy.task)
return 0;
+ skb_dst_force(skb);
__skb_queue_tail(&tp->ucopy.prequeue, skb);
tp->ucopy.memory += skb->truesize;
if (tp->ucopy.memory > sk->sk_rcvbuf) {
diff --git a/ipc/shm.c b/ipc/shm.c
index 85d81b4..a02ef57 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -479,10 +479,12 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
sprintf (name, "SYSV%08x", key);
if (shmflg & SHM_HUGETLB) {
+ size_t hugesize = ALIGN(size, huge_page_size(&default_hstate));
+
/* hugetlb_file_setup applies strict accounting */
if (shmflg & SHM_NORESERVE)
acctflag = VM_NORESERVE;
- file = hugetlb_file_setup(name, 0, size, acctflag,
+ file = hugetlb_file_setup(name, hugesize, acctflag,
&shp->mlock_user, HUGETLB_SHMFS_INODE);
} else {
/*
diff --git a/kernel/kmod.c b/kernel/kmod.c
index 05698a7..f2490e1 100644
--- a/kernel/kmod.c
+++ b/kernel/kmod.c
@@ -541,6 +541,11 @@ int call_usermodehelper_exec(struct subprocess_info *sub_info, int wait)
int retval = 0;
helper_lock();
+ if (!sub_info->path) {
+ retval = -EINVAL;
+ goto out;
+ }
+
if (sub_info->path[0] == '\0')
goto out;
diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
index 01d8e62..6570548 100644
--- a/kernel/time/tick-sched.c
+++ b/kernel/time/tick-sched.c
@@ -866,7 +866,7 @@ void tick_cancel_sched_timer(int cpu)
hrtimer_cancel(&ts->sched_timer);
# endif
- ts->nohz_mode = NOHZ_MODE_INACTIVE;
+ memset(ts, 0, sizeof(*ts));
}
#endif
diff --git a/kernel/timer.c b/kernel/timer.c
index 6dfdb72..dd93d90 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1680,12 +1680,12 @@ static int __cpuinit init_timers_cpu(int cpu)
boot_done = 1;
base = &boot_tvec_bases;
}
+ spin_lock_init(&base->lock);
tvec_base_done[cpu] = 1;
} else {
base = per_cpu(tvec_bases, cpu);
}
- spin_lock_init(&base->lock);
for (j = 0; j < TVN_SIZE; j++) {
INIT_LIST_HEAD(base->tv5.vec + j);
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 431dba8..289197a 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -777,7 +777,11 @@ static int filter_set_pred(struct event_filter *filter,
static void __free_preds(struct event_filter *filter)
{
+ int i;
+
if (filter->preds) {
+ for (i = 0; i < filter->n_preds; i++)
+ kfree(filter->preds[i].ops);
kfree(filter->preds);
filter->preds = NULL;
}
diff --git a/mm/mmap.c b/mm/mmap.c
index 3635d47..ed884dd 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -1130,15 +1130,19 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
file = fget(fd);
if (!file)
goto out;
+ if (is_file_hugepages(file))
+ len = ALIGN(len, huge_page_size(hstate_file(file)));
} else if (flags & MAP_HUGETLB) {
struct user_struct *user = NULL;
+
+ len = ALIGN(len, huge_page_size(&default_hstate));
/*
* VM_NORESERVE is used because the reservations will be
* taken when vm_ops->mmap() is called
* A dummy user value is used because we are not locking
* memory so no accounting is necessary
*/
- file = hugetlb_file_setup(HUGETLB_ANON_FILE, addr, len,
+ file = hugetlb_file_setup(HUGETLB_ANON_FILE, len,
VM_NORESERVE, &user,
HUGETLB_ANONHUGE_INODE);
if (IS_ERR(file))
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 9757c19..daeb19d 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -598,7 +598,7 @@ static netdev_features_t vlan_dev_fix_features(struct net_device *dev,
netdev_features_t features)
{
struct net_device *real_dev = vlan_dev_priv(dev)->real_dev;
- u32 old_features = features;
+ netdev_features_t old_features = features;
features &= real_dev->vlan_features;
features |= NETIF_F_RXCSUM;
diff --git a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
index 58de2a0..c83ee79 100644
--- a/net/bridge/br_stp_timer.c
+++ b/net/bridge/br_stp_timer.c
@@ -107,7 +107,7 @@ static void br_tcn_timer_expired(unsigned long arg)
br_debug(br, "tcn timer expired\n");
spin_lock(&br->lock);
- if (br->dev->flags & IFF_UP) {
+ if (!br_is_root_bridge(br) && (br->dev->flags & IFF_UP)) {
br_transmit_tcn(br);
mod_timer(&br->tcn_timer,jiffies + br->bridge_hello_time);
diff --git a/net/core/dev.c b/net/core/dev.c
index dd12421..7db83d6 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2170,7 +2170,7 @@ EXPORT_SYMBOL(netif_skb_features);
* support DMA from it.
*/
static inline int skb_needs_linearize(struct sk_buff *skb,
- int features)
+ netdev_features_t features)
{
return skb_is_nonlinear(skb) &&
((skb_has_frag_list(skb) &&
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 6d6d7d2..7becb3f 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -1286,7 +1286,7 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
void __user *useraddr = ifr->ifr_data;
u32 ethcmd;
int rc;
- u32 old_features;
+ netdev_features_t old_features;
if (!dev || !netif_device_present(dev))
return -ENODEV;
diff --git a/net/core/sock.c b/net/core/sock.c
index f8b5030..561eb57 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1093,18 +1093,6 @@ static void sock_copy(struct sock *nsk, const struct sock *osk)
#endif
}
-/*
- * caches using SLAB_DESTROY_BY_RCU should let .next pointer from nulls nodes
- * un-modified. Special care is taken when initializing object to zero.
- */
-static inline void sk_prot_clear_nulls(struct sock *sk, int size)
-{
- if (offsetof(struct sock, sk_node.next) != 0)
- memset(sk, 0, offsetof(struct sock, sk_node.next));
- memset(&sk->sk_node.pprev, 0,
- size - offsetof(struct sock, sk_node.pprev));
-}
-
void sk_prot_clear_portaddr_nulls(struct sock *sk, int size)
{
unsigned long nulls1, nulls2;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3889e02..7ee7121 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2079,6 +2079,17 @@ void tcp6_proc_exit(struct net *net)
}
#endif
+static void tcp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
struct proto tcpv6_prot = {
.name = "TCPv6",
.owner = THIS_MODULE,
@@ -2120,6 +2131,7 @@ struct proto tcpv6_prot = {
#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
.proto_cgroup = tcp_proto_cgroup,
#endif
+ .clear_sk = tcp_v6_clear_sk,
};
static const struct inet6_protocol tcpv6_protocol = {
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 37b0699..aa2f18b 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1457,6 +1457,17 @@ void udp6_proc_exit(struct net *net) {
}
#endif /* CONFIG_PROC_FS */
+void udp_v6_clear_sk(struct sock *sk, int size)
+{
+ struct inet_sock *inet = inet_sk(sk);
+
+ /* we do not want to clear pinet6 field, because of RCU lookups */
+ sk_prot_clear_portaddr_nulls(sk, offsetof(struct inet_sock, pinet6));
+
+ size -= offsetof(struct inet_sock, pinet6) + sizeof(inet->pinet6);
+ memset(&inet->pinet6 + 1, 0, size);
+}
+
/* ------------------------------------------------------------------------ */
struct proto udpv6_prot = {
@@ -1487,7 +1498,7 @@ struct proto udpv6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udpv6_protosw = {
diff --git a/net/ipv6/udp_impl.h b/net/ipv6/udp_impl.h
index d757104..4691ed5 100644
--- a/net/ipv6/udp_impl.h
+++ b/net/ipv6/udp_impl.h
@@ -31,6 +31,8 @@ extern int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
extern int udpv6_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
extern void udpv6_destroy_sock(struct sock *sk);
+extern void udp_v6_clear_sk(struct sock *sk, int size);
+
#ifdef CONFIG_PROC_FS
extern int udp6_seq_show(struct seq_file *seq, void *v);
#endif
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 1d08e21..dfcc4be 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -56,7 +56,7 @@ struct proto udplitev6_prot = {
.compat_setsockopt = compat_udpv6_setsockopt,
.compat_getsockopt = compat_udpv6_getsockopt,
#endif
- .clear_sk = sk_prot_clear_portaddr_nulls,
+ .clear_sk = udp_v6_clear_sk,
};
static struct inet_protosw udplite6_protosw = {
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index 8ea65e0..808fd08 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -96,8 +96,10 @@ static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
dev_hold(dev);
xdst->u.rt6.rt6i_idev = in6_dev_get(dev);
- if (!xdst->u.rt6.rt6i_idev)
+ if (!xdst->u.rt6.rt6i_idev) {
+ dev_put(dev);
return -ENODEV;
+ }
xdst->u.rt6.rt6i_peer = rt->rt6i_peer;
if (rt->rt6i_peer)
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 38ca5e0..cfcd783 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -812,37 +812,27 @@ static void prb_open_block(struct tpacket_kbdq_core *pkc1,
smp_rmb();
- if (likely(TP_STATUS_KERNEL == BLOCK_STATUS(pbd1))) {
-
- /* We could have just memset this but we will lose the
- * flexibility of making the priv area sticky
- */
- BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
- BLOCK_NUM_PKTS(pbd1) = 0;
- BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- getnstimeofday(&ts);
- h1->ts_first_pkt.ts_sec = ts.tv_sec;
- h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
- pkc1->pkblk_start = (char *)pbd1;
- pkc1->nxt_offset = (char *)(pkc1->pkblk_start +
- BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
- BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
- BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
- pbd1->version = pkc1->version;
- pkc1->prev = pkc1->nxt_offset;
- pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
- prb_thaw_queue(pkc1);
- _prb_refresh_rx_retire_blk_timer(pkc1);
-
- smp_wmb();
-
- return;
- }
+ /* We could have just memset this but we will lose the
+ * flexibility of making the priv area sticky
+ */
+ BLOCK_SNUM(pbd1) = pkc1->knxt_seq_num++;
+ BLOCK_NUM_PKTS(pbd1) = 0;
+ BLOCK_LEN(pbd1) = BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ getnstimeofday(&ts);
+ h1->ts_first_pkt.ts_sec = ts.tv_sec;
+ h1->ts_first_pkt.ts_nsec = ts.tv_nsec;
+ pkc1->pkblk_start = (char *)pbd1;
+ pkc1->nxt_offset = (char *)(pkc1->pkblk_start +
+ BLK_PLUS_PRIV(pkc1->blk_sizeof_priv));
+ BLOCK_O2FP(pbd1) = (__u32)BLK_PLUS_PRIV(pkc1->blk_sizeof_priv);
+ BLOCK_O2PRIV(pbd1) = BLK_HDR_LEN;
+ pbd1->version = pkc1->version;
+ pkc1->prev = pkc1->nxt_offset;
+ pkc1->pkblk_end = pkc1->pkblk_start + pkc1->kblk_size;
+ prb_thaw_queue(pkc1);
+ _prb_refresh_rx_retire_blk_timer(pkc1);
- WARN(1, "ERROR block:%p is NOT FREE status:%d kactive_blk_num:%d\n",
- pbd1, BLOCK_STATUS(pbd1), pkc1->kactive_blk_num);
- dump_stack();
- BUG();
+ smp_wmb();
}
/*
@@ -933,10 +923,6 @@ static void prb_retire_current_block(struct tpacket_kbdq_core *pkc,
prb_close_block(pkc, pbd, po, status);
return;
}
-
- WARN(1, "ERROR-pbd[%d]:%p\n", pkc->kactive_blk_num, pbd);
- dump_stack();
- BUG();
}
static int prb_curr_blk_in_use(struct tpacket_kbdq_core *pkc,
diff --git a/net/sched/act_ipt.c b/net/sched/act_ipt.c
index 60f8f61..57827bf 100644
--- a/net/sched/act_ipt.c
+++ b/net/sched/act_ipt.c
@@ -8,7 +8,7 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*
- * Copyright: Jamal Hadi Salim (2002-4)
+ * Copyright: Jamal Hadi Salim (2002-13)
*/
#include <linux/types.h>
@@ -299,17 +299,44 @@ static struct tc_action_ops act_ipt_ops = {
.walk = tcf_generic_walker
};
-MODULE_AUTHOR("Jamal Hadi Salim(2002-4)");
+static struct tc_action_ops act_xt_ops = {
+ .kind = "xt",
+ .hinfo = &ipt_hash_info,
+ .type = TCA_ACT_IPT,
+ .capab = TCA_CAP_NONE,
+ .owner = THIS_MODULE,
+ .act = tcf_ipt,
+ .dump = tcf_ipt_dump,
+ .cleanup = tcf_ipt_cleanup,
+ .lookup = tcf_hash_search,
+ .init = tcf_ipt_init,
+ .walk = tcf_generic_walker
+};
+
+MODULE_AUTHOR("Jamal Hadi Salim(2002-13)");
MODULE_DESCRIPTION("Iptables target actions");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("act_xt");
static int __init ipt_init_module(void)
{
- return tcf_register_action(&act_ipt_ops);
+ int ret1, ret2;
+ ret1 = tcf_register_action(&act_xt_ops);
+ if (ret1 < 0)
+ printk("Failed to load xt action\n");
+ ret2 = tcf_register_action(&act_ipt_ops);
+ if (ret2 < 0)
+ printk("Failed to load ipt action\n");
+
+ if (ret1 < 0 && ret2 < 0)
+ return ret1;
+ else
+ return 0;
}
static void __exit ipt_cleanup_module(void)
{
+ tcf_unregister_action(&act_xt_ops);
tcf_unregister_action(&act_ipt_ops);
}
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index c72dce0..c74a044 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -617,6 +617,9 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
struct hda_bus_unsolicited *unsol;
unsigned int wp;
+ if (!bus || !bus->workq)
+ return 0;
+
trace_hda_unsol_event(bus, res, res_ex);
unsol = bus->unsol;
if (!unsol)
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 4c471a5..d9924d7 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -2824,6 +2824,7 @@ static int wm8994_aif3_hw_params(struct snd_pcm_substream *substream,
default:
return 0;
}
+ break;
default:
return 0;
}
--
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