lkml.org 
[lkml]   [2012]   [Jun]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: Linux 3.0.35
diff --git a/Makefile b/Makefile
index 61ef485..fe91076 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 3
PATCHLEVEL = 0
-SUBLEVEL = 34
+SUBLEVEL = 35
EXTRAVERSION =
NAME = Sneaky Weasel

diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c
index f832773..449a7e0 100644
--- a/arch/powerpc/kernel/module_32.c
+++ b/arch/powerpc/kernel/module_32.c
@@ -187,8 +187,8 @@ int apply_relocate(Elf32_Shdr *sechdrs,

static inline int entry_matches(struct ppc_plt_entry *entry, Elf32_Addr val)
{
- if (entry->jump[0] == 0x3d600000 + ((val + 0x8000) >> 16)
- && entry->jump[1] == 0x396b0000 + (val & 0xffff))
+ if (entry->jump[0] == 0x3d800000 + ((val + 0x8000) >> 16)
+ && entry->jump[1] == 0x398c0000 + (val & 0xffff))
return 1;
return 0;
}
@@ -215,10 +215,9 @@ static uint32_t do_plt_call(void *location,
entry++;
}

- /* Stolen from Paul Mackerras as well... */
- entry->jump[0] = 0x3d600000+((val+0x8000)>>16); /* lis r11,sym@ha */
- entry->jump[1] = 0x396b0000 + (val&0xffff); /* addi r11,r11,sym@l*/
- entry->jump[2] = 0x7d6903a6; /* mtctr r11 */
+ entry->jump[0] = 0x3d800000+((val+0x8000)>>16); /* lis r12,sym@ha */
+ entry->jump[1] = 0x398c0000 + (val&0xffff); /* addi r12,r12,sym@l*/
+ entry->jump[2] = 0x7d8903a6; /* mtctr r12 */
entry->jump[3] = 0x4e800420; /* bctr */

DEBUGP("Initialized plt for 0x%x at %p\n", val, entry);
diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S
index be6d9e3..3470624 100644
--- a/arch/x86/crypto/aesni-intel_asm.S
+++ b/arch/x86/crypto/aesni-intel_asm.S
@@ -2460,10 +2460,12 @@ ENTRY(aesni_cbc_dec)
pxor IN3, STATE4
movaps IN4, IV
#else
- pxor (INP), STATE2
- pxor 0x10(INP), STATE3
pxor IN1, STATE4
movaps IN2, IV
+ movups (INP), IN1
+ pxor IN1, STATE2
+ movups 0x10(INP), IN2
+ pxor IN2, STATE3
#endif
movups STATE1, (OUTP)
movups STATE2, 0x10(OUTP)
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index bb0adad..dc4fb77 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -52,6 +52,7 @@ struct threshold_block {
unsigned int cpu;
u32 address;
u16 interrupt_enable;
+ bool interrupt_capable;
u16 threshold_limit;
struct kobject kobj;
struct list_head miscj;
@@ -86,6 +87,21 @@ struct thresh_restart {
u16 old_limit;
};

+static bool lvt_interrupt_supported(unsigned int bank, u32 msr_high_bits)
+{
+ /*
+ * bank 4 supports APIC LVT interrupts implicitly since forever.
+ */
+ if (bank == 4)
+ return true;
+
+ /*
+ * IntP: interrupt present; if this bit is set, the thresholding
+ * bank can generate APIC LVT interrupts
+ */
+ return msr_high_bits & BIT(28);
+}
+
static int lvt_off_valid(struct threshold_block *b, int apic, u32 lo, u32 hi)
{
int msr = (hi & MASK_LVTOFF_HI) >> 20;
@@ -107,8 +123,10 @@ static int lvt_off_valid(struct threshold_block *b, int apic, u32 lo, u32 hi)
return 1;
};

-/* must be called with correct cpu affinity */
-/* Called via smp_call_function_single() */
+/*
+ * Called via smp_call_function_single(), must be called with correct
+ * cpu affinity.
+ */
static void threshold_restart_bank(void *_tr)
{
struct thresh_restart *tr = _tr;
@@ -131,6 +149,12 @@ static void threshold_restart_bank(void *_tr)
(new_count & THRESHOLD_MAX);
}

+ /* clear IntType */
+ hi &= ~MASK_INT_TYPE_HI;
+
+ if (!tr->b->interrupt_capable)
+ goto done;
+
if (tr->set_lvt_off) {
if (lvt_off_valid(tr->b, tr->lvt_off, lo, hi)) {
/* set new lvt offset */
@@ -139,9 +163,10 @@ static void threshold_restart_bank(void *_tr)
}
}

- tr->b->interrupt_enable ?
- (hi = (hi & ~MASK_INT_TYPE_HI) | INT_TYPE_APIC) :
- (hi &= ~MASK_INT_TYPE_HI);
+ if (tr->b->interrupt_enable)
+ hi |= INT_TYPE_APIC;
+
+ done:

hi |= MASK_COUNT_EN_HI;
wrmsr(tr->b->address, lo, hi);
@@ -206,14 +231,18 @@ void mce_amd_feature_init(struct cpuinfo_x86 *c)
if (shared_bank[bank] && c->cpu_core_id)
break;
#endif
- offset = setup_APIC_mce(offset,
- (high & MASK_LVTOFF_HI) >> 20);

memset(&b, 0, sizeof(b));
- b.cpu = cpu;
- b.bank = bank;
- b.block = block;
- b.address = address;
+ b.cpu = cpu;
+ b.bank = bank;
+ b.block = block;
+ b.address = address;
+ b.interrupt_capable = lvt_interrupt_supported(bank, high);
+
+ if (b.interrupt_capable) {
+ int new = (high & MASK_LVTOFF_HI) >> 20;
+ offset = setup_APIC_mce(offset, new);
+ }

mce_threshold_block_init(&b, offset);
mce_threshold_vector = amd_threshold_interrupt;
@@ -313,6 +342,9 @@ store_interrupt_enable(struct threshold_block *b, const char *buf, size_t size)
struct thresh_restart tr;
unsigned long new;

+ if (!b->interrupt_capable)
+ return -EINVAL;
+
if (strict_strtoul(buf, 0, &new) < 0)
return -EINVAL;

@@ -471,6 +503,7 @@ static __cpuinit int allocate_threshold_blocks(unsigned int cpu,
b->cpu = cpu;
b->address = address;
b->interrupt_enable = 0;
+ b->interrupt_capable = lvt_interrupt_supported(bank, high);
b->threshold_limit = THRESHOLD_MAX;

INIT_LIST_HEAD(&b->miscj);
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index db39e9e..623a335 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1732,6 +1732,7 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)

static int __init intel_opregion_present(void)
{
+ int i915 = 0;
#if defined(CONFIG_DRM_I915) || defined(CONFIG_DRM_I915_MODULE)
struct pci_dev *dev = NULL;
u32 address;
@@ -1744,10 +1745,10 @@ static int __init intel_opregion_present(void)
pci_read_config_dword(dev, 0xfc, &address);
if (!address)
continue;
- return 1;
+ i915 = 1;
}
#endif
- return 0;
+ return i915;
}

int acpi_video_register(void)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index b427711..58b49d1 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -897,6 +897,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_B43_HB),
ID(PCI_DEVICE_ID_INTEL_B43_1_HB),
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB),
+ ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB),
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB),
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB),
ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB),
diff --git a/drivers/char/agp/intel-agp.h b/drivers/char/agp/intel-agp.h
index 5da67f1..6f24604 100644
--- a/drivers/char/agp/intel-agp.h
+++ b/drivers/char/agp/intel-agp.h
@@ -211,6 +211,7 @@
#define PCI_DEVICE_ID_INTEL_G41_HB 0x2E30
#define PCI_DEVICE_ID_INTEL_G41_IG 0x2E32
#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB 0x0040
+#define PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB 0x0069
#define PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG 0x0042
#define PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB 0x0044
#define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB 0x0062
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 9a4c3ab..e8e18ca 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -61,14 +61,14 @@ static ssize_t show_power(struct device *dev,
REG_TDP_RUNNING_AVERAGE, &val);
running_avg_capture = (val >> 4) & 0x3fffff;
running_avg_capture = sign_extend32(running_avg_capture, 21);
- running_avg_range = val & 0xf;
+ running_avg_range = (val & 0xf) + 1;

pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
REG_TDP_LIMIT3, &val);

tdp_limit = val >> 16;
- curr_pwr_watts = tdp_limit + data->base_tdp -
- (s32)(running_avg_capture >> (running_avg_range + 1));
+ curr_pwr_watts = (tdp_limit + data->base_tdp) << running_avg_range;
+ curr_pwr_watts -= running_avg_capture;
curr_pwr_watts *= data->tdp_to_watts;

/*
@@ -78,7 +78,7 @@ static ssize_t show_power(struct device *dev,
* scaling factor 1/(2^16). For conversion we use
* (10^6)/(2^16) = 15625/(2^10)
*/
- curr_pwr_watts = (curr_pwr_watts * 15625) >> 10;
+ curr_pwr_watts = (curr_pwr_watts * 15625) >> (10 + running_avg_range);
return sprintf(buf, "%u\n", (unsigned int) curr_pwr_watts);
}
static DEVICE_ATTR(power1_input, S_IRUGO, show_power, NULL);
diff --git a/drivers/net/can/c_can/c_can.c b/drivers/net/can/c_can/c_can.c
index 7e5cc0b..1f8a824 100644
--- a/drivers/net/can/c_can/c_can.c
+++ b/drivers/net/can/c_can/c_can.c
@@ -688,7 +688,7 @@ static int c_can_get_berr_counter(const struct net_device *dev,
*
* We iterate from priv->tx_echo to priv->tx_next and check if the
* packet has been transmitted, echo it back to the CAN framework.
- * If we discover a not yet transmitted package, stop looking for more.
+ * If we discover a not yet transmitted packet, stop looking for more.
*/
static void c_can_do_tx(struct net_device *dev)
{
@@ -700,7 +700,7 @@ static void c_can_do_tx(struct net_device *dev)
for (/* nix */; (priv->tx_next - priv->tx_echo) > 0; priv->tx_echo++) {
msg_obj_no = get_tx_echo_msg_obj(priv);
val = c_can_read_reg32(priv, &priv->regs->txrqst1);
- if (!(val & (1 << msg_obj_no))) {
+ if (!(val & (1 << (msg_obj_no - 1)))) {
can_get_echo_skb(dev,
msg_obj_no - C_CAN_MSG_OBJ_TX_FIRST);
stats->tx_bytes += priv->read_reg(priv,
@@ -708,6 +708,8 @@ static void c_can_do_tx(struct net_device *dev)
& IF_MCONT_DLC_MASK;
stats->tx_packets++;
c_can_inval_msg_object(dev, 0, msg_obj_no);
+ } else {
+ break;
}
}

@@ -952,7 +954,7 @@ static int c_can_poll(struct napi_struct *napi, int quota)
struct net_device *dev = napi->dev;
struct c_can_priv *priv = netdev_priv(dev);

- irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
+ irqstatus = priv->irqstatus;
if (!irqstatus)
goto end;

@@ -1030,12 +1032,11 @@ end:

static irqreturn_t c_can_isr(int irq, void *dev_id)
{
- u16 irqstatus;
struct net_device *dev = (struct net_device *)dev_id;
struct c_can_priv *priv = netdev_priv(dev);

- irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
- if (!irqstatus)
+ priv->irqstatus = priv->read_reg(priv, &priv->regs->interrupt);
+ if (!priv->irqstatus)
return IRQ_NONE;

/* disable all interrupts and schedule the NAPI */
@@ -1065,10 +1066,11 @@ static int c_can_open(struct net_device *dev)
goto exit_irq_fail;
}

+ napi_enable(&priv->napi);
+
/* start the c_can controller */
c_can_start(dev);

- napi_enable(&priv->napi);
netif_start_queue(dev);

return 0;
diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h
index 9b7fbef..5f32d34 100644
--- a/drivers/net/can/c_can/c_can.h
+++ b/drivers/net/can/c_can/c_can.h
@@ -76,6 +76,7 @@ struct c_can_priv {
unsigned int tx_next;
unsigned int tx_echo;
void *priv; /* for board-specific data */
+ u16 irqstatus;
};

struct net_device *alloc_c_can_dev(void);
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 8676899..2c71884 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -150,6 +150,8 @@ struct e1000_buffer {
unsigned long time_stamp;
u16 length;
u16 next_to_watch;
+ unsigned int segs;
+ unsigned int bytecount;
u16 mapped_as_page;
};

diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 76e8af0..99525f9 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -2798,7 +2798,7 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
struct e1000_buffer *buffer_info;
unsigned int len = skb_headlen(skb);
unsigned int offset = 0, size, count = 0, i;
- unsigned int f;
+ unsigned int f, bytecount, segs;

i = tx_ring->next_to_use;

@@ -2899,7 +2899,13 @@ static int e1000_tx_map(struct e1000_adapter *adapter,
}
}

+ segs = skb_shinfo(skb)->gso_segs ?: 1;
+ /* multiply data chunks by size of headers */
+ bytecount = ((segs - 1) * skb_headlen(skb)) + skb->len;
+
tx_ring->buffer_info[i].skb = skb;
+ tx_ring->buffer_info[i].segs = segs;
+ tx_ring->buffer_info[i].bytecount = bytecount;
tx_ring->buffer_info[first].next_to_watch = i;

return count;
@@ -3573,14 +3579,8 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter,
cleaned = (i == eop);

if (cleaned) {
- struct sk_buff *skb = buffer_info->skb;
- unsigned int segs, bytecount;
- segs = skb_shinfo(skb)->gso_segs ?: 1;
- /* multiply data chunks by size of headers */
- bytecount = ((segs - 1) * skb_headlen(skb)) +
- skb->len;
- total_tx_packets += segs;
- total_tx_bytes += bytecount;
+ total_tx_packets += buffer_info->segs;
+ total_tx_bytes += buffer_info->bytecount;
}
e1000_unmap_and_free_tx_resource(adapter, buffer_info);
tx_desc->upper.data = 0;
diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c
index ed1b432..864448b 100644
--- a/drivers/net/usb/sierra_net.c
+++ b/drivers/net/usb/sierra_net.c
@@ -943,7 +943,7 @@ struct sk_buff *sierra_net_tx_fixup(struct usbnet *dev, struct sk_buff *skb,
}

static const u8 sierra_net_ifnum_list[] = { 7, 10, 11 };
-static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
+static const struct sierra_net_info_data sierra_net_info_data_direct_ip = {
.rx_urb_size = 8 * 1024,
.whitelist = {
.infolen = ARRAY_SIZE(sierra_net_ifnum_list),
@@ -951,7 +951,7 @@ static const struct sierra_net_info_data sierra_net_info_data_68A3 = {
}
};

-static const struct driver_info sierra_net_info_68A3 = {
+static const struct driver_info sierra_net_info_direct_ip = {
.description = "Sierra Wireless USB-to-WWAN Modem",
.flags = FLAG_WWAN | FLAG_SEND_ZLP,
.bind = sierra_net_bind,
@@ -959,12 +959,18 @@ static const struct driver_info sierra_net_info_68A3 = {
.status = sierra_net_status,
.rx_fixup = sierra_net_rx_fixup,
.tx_fixup = sierra_net_tx_fixup,
- .data = (unsigned long)&sierra_net_info_data_68A3,
+ .data = (unsigned long)&sierra_net_info_data_direct_ip,
};

static const struct usb_device_id products[] = {
{USB_DEVICE(0x1199, 0x68A3), /* Sierra Wireless USB-to-WWAN modem */
- .driver_info = (unsigned long) &sierra_net_info_68A3},
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x0F3D, 0x68A3), /* AT&T Direct IP modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x1199, 0x68AA), /* Sierra Wireless Direct IP LTE modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},
+ {USB_DEVICE(0x0F3D, 0x68AA), /* AT&T Direct IP LTE modem */
+ .driver_info = (unsigned long) &sierra_net_info_direct_ip},

{}, /* last item */
};
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
index 0bd722c..5c9999d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c
@@ -477,7 +477,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv,
sizeof(struct iwl_keyinfo));
priv->stations[sta_id].sta.key.key_flags =
STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID;
- priv->stations[sta_id].sta.key.key_offset = WEP_INVALID_OFFSET;
+ priv->stations[sta_id].sta.key.key_offset = keyconf->hw_key_idx;
priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index d5016071..c04a025 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -858,6 +858,7 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat,
if (stat) {
generic_fillattr(inode, stat);
stat->mode = fi->orig_i_mode;
+ stat->ino = fi->orig_ino;
}
}

diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index b788bec..f621550 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -82,6 +82,9 @@ struct fuse_inode {
preserve the original mode */
mode_t orig_i_mode;

+ /** 64 bit inode number */
+ u64 orig_ino;
+
/** Version of last attribute change */
u64 attr_version;

diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 38f84cd..69a1e0f 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -91,6 +91,7 @@ static struct inode *fuse_alloc_inode(struct super_block *sb)
fi->nlookup = 0;
fi->attr_version = 0;
fi->writectr = 0;
+ fi->orig_ino = 0;
INIT_LIST_HEAD(&fi->write_files);
INIT_LIST_HEAD(&fi->queued_writes);
INIT_LIST_HEAD(&fi->writepages);
@@ -140,6 +141,18 @@ static int fuse_remount_fs(struct super_block *sb, int *flags, char *data)
return 0;
}

+/*
+ * ino_t is 32-bits on 32-bit arch. We have to squash the 64-bit value down
+ * so that it will fit.
+ */
+static ino_t fuse_squash_ino(u64 ino64)
+{
+ ino_t ino = (ino_t) ino64;
+ if (sizeof(ino_t) < sizeof(u64))
+ ino ^= ino64 >> (sizeof(u64) - sizeof(ino_t)) * 8;
+ return ino;
+}
+
void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
u64 attr_valid)
{
@@ -149,7 +162,7 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
fi->attr_version = ++fc->attr_version;
fi->i_time = attr_valid;

- inode->i_ino = attr->ino;
+ inode->i_ino = fuse_squash_ino(attr->ino);
inode->i_mode = (inode->i_mode & S_IFMT) | (attr->mode & 07777);
inode->i_nlink = attr->nlink;
inode->i_uid = attr->uid;
@@ -175,6 +188,8 @@ void fuse_change_attributes_common(struct inode *inode, struct fuse_attr *attr,
fi->orig_i_mode = inode->i_mode;
if (!(fc->flags & FUSE_DEFAULT_PERMISSIONS))
inode->i_mode &= ~S_ISVTX;
+
+ fi->orig_ino = attr->ino;
}

void fuse_change_attributes(struct inode *inode, struct fuse_attr *attr,
diff --git a/kernel/sched.c b/kernel/sched.c
index 03dff14..8ef48f0 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7220,11 +7220,8 @@ int sched_domain_level_max;

static int __init setup_relax_domain_level(char *str)
{
- unsigned long val;
-
- val = simple_strtoul(str, NULL, 0);
- if (val < sched_domain_level_max)
- default_relax_domain_level = val;
+ if (kstrtoint(str, 0, &default_relax_domain_level))
+ pr_warn("Unable to set relax_domain_level\n");

return 1;
}
@@ -7417,7 +7414,6 @@ struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
if (!sd)
return child;

- set_domain_attribute(sd, attr);
cpumask_and(sched_domain_span(sd), cpu_map, tl->mask(cpu));
if (child) {
sd->level = child->level + 1;
@@ -7425,6 +7421,7 @@ struct sched_domain *build_sched_domain(struct sched_domain_topology_level *tl,
child->parent = sd;
}
sd->child = child;
+ set_domain_attribute(sd, attr);

return sd;
}
diff --git a/lib/btree.c b/lib/btree.c
index 2a34392..297124d 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -319,8 +319,8 @@ void *btree_get_prev(struct btree_head *head, struct btree_geo *geo,

if (head->height == 0)
return NULL;
-retry:
longcpy(key, __key, geo->keylen);
+retry:
dec_key(geo, key);

node = head->node;
@@ -351,7 +351,7 @@ retry:
}
miss:
if (retry_key) {
- __key = retry_key;
+ longcpy(key, retry_key, geo->keylen);
retry_key = NULL;
goto retry;
}
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 00b0abb..05f8fd4 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -2060,6 +2060,15 @@ static void hugetlb_vm_op_open(struct vm_area_struct *vma)
kref_get(&reservations->refs);
}

+static void resv_map_put(struct vm_area_struct *vma)
+{
+ struct resv_map *reservations = vma_resv_map(vma);
+
+ if (!reservations)
+ return;
+ kref_put(&reservations->refs, resv_map_release);
+}
+
static void hugetlb_vm_op_close(struct vm_area_struct *vma)
{
struct hstate *h = hstate_vma(vma);
@@ -2075,7 +2084,7 @@ static void hugetlb_vm_op_close(struct vm_area_struct *vma)
reserve = (end - start) -
region_count(&reservations->regions, start, end);

- kref_put(&reservations->refs, resv_map_release);
+ resv_map_put(vma);

if (reserve) {
hugetlb_acct_memory(h, -reserve);
@@ -2877,12 +2886,16 @@ int hugetlb_reserve_pages(struct inode *inode,
set_vma_resv_flags(vma, HPAGE_RESV_OWNER);
}

- if (chg < 0)
- return chg;
+ if (chg < 0) {
+ ret = chg;
+ goto out_err;
+ }

/* There must be enough filesystem quota for the mapping */
- if (hugetlb_get_quota(inode->i_mapping, chg))
- return -ENOSPC;
+ if (hugetlb_get_quota(inode->i_mapping, chg)) {
+ ret = -ENOSPC;
+ goto out_err;
+ }

/*
* Check enough hugepages are available for the reservation.
@@ -2891,7 +2904,7 @@ int hugetlb_reserve_pages(struct inode *inode,
ret = hugetlb_acct_memory(h, chg);
if (ret < 0) {
hugetlb_put_quota(inode->i_mapping, chg);
- return ret;
+ goto out_err;
}

/*
@@ -2908,6 +2921,10 @@ int hugetlb_reserve_pages(struct inode *inode,
if (!vma || vma->vm_flags & VM_MAYSHARE)
region_add(&inode->i_mapping->private_list, from, to);
return 0;
+out_err:
+ if (vma)
+ resv_map_put(vma);
+ return ret;
}

void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed)
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 43b44db..bdb7004 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -256,7 +256,7 @@ struct vmap_area {
struct rb_node rb_node; /* address sorted rbtree */
struct list_head list; /* address sorted list */
struct list_head purge_list; /* "lazy purge" list */
- void *private;
+ struct vm_struct *vm;
struct rcu_head rcu_head;
};

@@ -1174,9 +1174,10 @@ void __init vmalloc_init(void)
/* Import existing vmlist entries. */
for (tmp = vmlist; tmp; tmp = tmp->next) {
va = kzalloc(sizeof(struct vmap_area), GFP_NOWAIT);
- va->flags = tmp->flags | VM_VM_AREA;
+ va->flags = VM_VM_AREA;
va->va_start = (unsigned long)tmp->addr;
va->va_end = va->va_start + tmp->size;
+ va->vm = tmp;
__insert_vmap_area(va);
}

@@ -1274,7 +1275,7 @@ static void setup_vmalloc_vm(struct vm_struct *vm, struct vmap_area *va,
vm->addr = (void *)va->va_start;
vm->size = va->va_end - va->va_start;
vm->caller = caller;
- va->private = vm;
+ va->vm = vm;
va->flags |= VM_VM_AREA;
}

@@ -1397,7 +1398,7 @@ static struct vm_struct *find_vm_area(const void *addr)

va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA)
- return va->private;
+ return va->vm;

return NULL;
}
@@ -1416,7 +1417,7 @@ struct vm_struct *remove_vm_area(const void *addr)

va = find_vmap_area((unsigned long)addr);
if (va && va->flags & VM_VM_AREA) {
- struct vm_struct *vm = va->private;
+ struct vm_struct *vm = va->vm;

if (!(vm->flags & VM_UNLIST)) {
struct vm_struct *tmp, **p;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 895eec1..65f3764c 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -498,6 +498,18 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
ieee80211_configure_filter(local);
break;
default:
+ mutex_lock(&local->mtx);
+ if (local->hw_roc_dev == sdata->dev &&
+ local->hw_roc_channel) {
+ /* ignore return value since this is racy */
+ drv_cancel_remain_on_channel(local);
+ ieee80211_queue_work(&local->hw, &local->hw_roc_done);
+ }
+ mutex_unlock(&local->mtx);
+
+ flush_work(&local->hw_roc_start);
+ flush_work(&local->hw_roc_done);
+
flush_work(&sdata->work);
/*
* When we get here, the interface is marked down.
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 13427b1..c55eb9d 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -251,6 +251,22 @@ static void ieee80211_hw_roc_done(struct work_struct *work)
return;
}

+ /* was never transmitted */
+ if (local->hw_roc_skb) {
+ u64 cookie;
+
+ cookie = local->hw_roc_cookie ^ 2;
+
+ cfg80211_mgmt_tx_status(local->hw_roc_dev, cookie,
+ local->hw_roc_skb->data,
+ local->hw_roc_skb->len, false,
+ GFP_KERNEL);
+
+ kfree_skb(local->hw_roc_skb);
+ local->hw_roc_skb = NULL;
+ local->hw_roc_skb_for_status = NULL;
+ }
+
if (!local->hw_roc_for_tx)
cfg80211_remain_on_channel_expired(local->hw_roc_dev,
local->hw_roc_cookie,
diff --git a/net/wireless/util.c b/net/wireless/util.c
index 9c22330..30f68dc 100644
--- a/net/wireless/util.c
+++ b/net/wireless/util.c
@@ -937,6 +937,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
enum nl80211_iftype iftype)
{
struct wireless_dev *wdev_iter;
+ u32 used_iftypes = BIT(iftype);
int num[NUM_NL80211_IFTYPES];
int total = 1;
int i, j;
@@ -970,12 +971,14 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,

num[wdev_iter->iftype]++;
total++;
+ used_iftypes |= BIT(wdev_iter->iftype);
}
mutex_unlock(&rdev->devlist_mtx);

for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) {
const struct ieee80211_iface_combination *c;
struct ieee80211_iface_limit *limits;
+ u32 all_iftypes = 0;

c = &rdev->wiphy.iface_combinations[i];

@@ -990,6 +993,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
if (rdev->wiphy.software_iftypes & BIT(iftype))
continue;
for (j = 0; j < c->n_limits; j++) {
+ all_iftypes |= limits[j].types;
if (!(limits[j].types & BIT(iftype)))
continue;
if (limits[j].max < num[iftype])
@@ -997,7 +1001,20 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
limits[j].max -= num[iftype];
}
}
- /* yay, it fits */
+
+ /*
+ * Finally check that all iftypes that we're currently
+ * using are actually part of this combination. If they
+ * aren't then we can't use this combination and have
+ * to continue to the next.
+ */
+ if ((all_iftypes & used_iftypes) != used_iftypes)
+ goto cont;
+
+ /*
+ * This combination covered all interface types and
+ * supported the requested numbers, so we're good.
+ */
kfree(limits);
return 0;
cont:

\
 
 \ /
  Last update: 2012-06-17 21:21    [W:0.208 / U:0.520 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site