Re: Linux 2.6.27.49

From: Greg KH
Date: Mon Aug 02 2010 - 15:03:54 EST


diff --git a/Makefile b/Makefile
index 6411139..382a8dd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 27
-EXTRAVERSION = .48
+EXTRAVERSION = .49
NAME = Trembling Tortoise

# *DOCUMENTATION*
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 34bc987..d8a4dc6 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -102,11 +102,16 @@ int use_calgary __read_mostly = 0;
#define PMR_SOFTSTOPFAULT 0x40000000
#define PMR_HARDSTOP 0x20000000

-#define MAX_NUM_OF_PHBS 8 /* how many PHBs in total? */
-#define MAX_NUM_CHASSIS 8 /* max number of chassis */
-/* MAX_PHB_BUS_NUM is the maximal possible dev->bus->number */
-#define MAX_PHB_BUS_NUM (MAX_NUM_OF_PHBS * MAX_NUM_CHASSIS * 2)
-#define PHBS_PER_CALGARY 4
+/*
+ * The maximum PHB bus number.
+ * x3950M2 (rare): 8 chassis, 48 PHBs per chassis = 384
+ * x3950M2: 4 chassis, 48 PHBs per chassis = 192
+ * x3950 (PCIE): 8 chassis, 32 PHBs per chassis = 256
+ * x3950 (PCIX): 8 chassis, 16 PHBs per chassis = 128
+ */
+#define MAX_PHB_BUS_NUM 256
+
+#define PHBS_PER_CALGARY 4

/* register offsets in Calgary's internal register space */
static const unsigned long tar_offsets[] = {
@@ -1092,8 +1097,6 @@ static int __init calgary_init_one(struct pci_dev *dev)
struct iommu_table *tbl;
int ret;

- BUG_ON(dev->bus->number >= MAX_PHB_BUS_NUM);
-
bbar = busno_to_bbar(dev->bus->number);
ret = calgary_setup_tar(dev, bbar);
if (ret)
diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c
index 7495c52..e144ad8 100644
--- a/drivers/char/agp/amd64-agp.c
+++ b/drivers/char/agp/amd64-agp.c
@@ -491,6 +491,10 @@ static int __devinit agp_amd64_probe(struct pci_dev *pdev,
u8 cap_ptr;
int err;

+ /* The Highlander principle */
+ if (agp_bridges_found)
+ return -ENODEV;
+
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
if (!cap_ptr)
return -ENODEV;
@@ -554,6 +558,8 @@ static void __devexit agp_amd64_remove(struct pci_dev *pdev)
amd64_aperture_sizes[bridge->aperture_size_idx].size);
agp_remove_bridge(bridge);
agp_put_bridge(bridge);
+
+ agp_bridges_found--;
}

#ifdef CONFIG_PM
@@ -701,6 +707,11 @@ static struct pci_device_id agp_amd64_pci_table[] = {

MODULE_DEVICE_TABLE(pci, agp_amd64_pci_table);

+static DEFINE_PCI_DEVICE_TABLE(agp_amd64_pci_promisc_table) = {
+ { PCI_DEVICE_CLASS(0, 0) },
+ { }
+};
+
static struct pci_driver agp_amd64_pci_driver = {
.name = "agpgart-amd64",
.id_table = agp_amd64_pci_table,
@@ -725,7 +736,6 @@ int __init agp_amd64_init(void)
return err;

if (agp_bridges_found == 0) {
- struct pci_dev *dev;
if (!agp_try_unsupported && !agp_try_unsupported_boot) {
printk(KERN_INFO PFX "No supported AGP bridge found.\n");
#ifdef MODULE
@@ -741,17 +751,10 @@ int __init agp_amd64_init(void)
return -ENODEV;

/* Look for any AGP bridge */
- dev = NULL;
- err = -ENODEV;
- for_each_pci_dev(dev) {
- if (!pci_find_capability(dev, PCI_CAP_ID_AGP))
- continue;
- /* Only one bridge supported right now */
- if (agp_amd64_probe(dev, NULL) == 0) {
- err = 0;
- break;
- }
- }
+ agp_amd64_pci_driver.id_table = agp_amd64_pci_promisc_table;
+ err = driver_attach(&agp_amd64_pci_driver.driver);
+ if (err == 0 && agp_bridges_found == 0)
+ err = -ENODEV;
}
return err;
}
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 2b8f439..a7f98c9 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -52,6 +52,7 @@ struct coretemp_data {
struct mutex update_lock;
const char *name;
u32 id;
+ u16 core_id;
char valid; /* zero until following fields are valid */
unsigned long last_updated; /* in jiffies */
int temp;
@@ -74,7 +75,7 @@ static ssize_t show_name(struct device *dev, struct device_attribute
if (attr->index == SHOW_NAME)
ret = sprintf(buf, "%s\n", data->name);
else /* show label */
- ret = sprintf(buf, "Core %d\n", data->id);
+ ret = sprintf(buf, "Core %d\n", data->core_id);
return ret;
}

@@ -216,6 +217,9 @@ static int __devinit coretemp_probe(struct platform_device *pdev)
}

data->id = pdev->id;
+#ifdef CONFIG_SMP
+ data->core_id = c->cpu_core_id;
+#endif
data->name = "coretemp";
mutex_init(&data->update_lock);

@@ -313,6 +317,10 @@ struct pdev_entry {
struct list_head list;
struct platform_device *pdev;
unsigned int cpu;
+#ifdef CONFIG_SMP
+ u16 phys_proc_id;
+ u16 cpu_core_id;
+#endif
};

static LIST_HEAD(pdev_list);
@@ -323,6 +331,22 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)
int err;
struct platform_device *pdev;
struct pdev_entry *pdev_entry;
+#ifdef CONFIG_SMP
+ struct cpuinfo_x86 *c = &cpu_data(cpu);
+#endif
+
+ mutex_lock(&pdev_list_mutex);
+
+#ifdef CONFIG_SMP
+ /* Skip second HT entry of each core */
+ list_for_each_entry(pdev_entry, &pdev_list, list) {
+ if (c->phys_proc_id == pdev_entry->phys_proc_id &&
+ c->cpu_core_id == pdev_entry->cpu_core_id) {
+ err = 0; /* Not an error */
+ goto exit;
+ }
+ }
+#endif

pdev = platform_device_alloc(DRVNAME, cpu);
if (!pdev) {
@@ -346,7 +370,10 @@ static int __cpuinit coretemp_device_add(unsigned int cpu)

pdev_entry->pdev = pdev;
pdev_entry->cpu = cpu;
- mutex_lock(&pdev_list_mutex);
+#ifdef CONFIG_SMP
+ pdev_entry->phys_proc_id = c->phys_proc_id;
+ pdev_entry->cpu_core_id = c->cpu_core_id;
+#endif
list_add_tail(&pdev_entry->list, &pdev_list);
mutex_unlock(&pdev_list_mutex);

@@ -357,6 +384,7 @@ exit_device_free:
exit_device_put:
platform_device_put(pdev);
exit:
+ mutex_unlock(&pdev_list_mutex);
return err;
}

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index e9ca3cb..fb97c42 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -1158,7 +1158,7 @@ static ssize_t create_child(struct device *dev,

return ret ? ret : count;
}
-static DEVICE_ATTR(create_child, S_IWUGO, NULL, create_child);
+static DEVICE_ATTR(create_child, S_IWUSR, NULL, create_child);

static ssize_t delete_child(struct device *dev,
struct device_attribute *attr,
@@ -1178,7 +1178,7 @@ static ssize_t delete_child(struct device *dev,
return ret ? ret : count;

}
-static DEVICE_ATTR(delete_child, S_IWUGO, NULL, delete_child);
+static DEVICE_ATTR(delete_child, S_IWUSR, NULL, delete_child);

int ipoib_add_pkey_attr(struct net_device *dev)
{
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 598d2e9..b91eb58 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1705,6 +1705,7 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev)
case BOND_MODE_ALB:
new_slave->state = BOND_STATE_ACTIVE;
bond_set_slave_inactive_flags(new_slave);
+ bond_select_active_slave(bond);
break;
default:
dprintk("This slave is always active in trunk mode\n");
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index ec6b0af..5cbdd37 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -1174,7 +1174,8 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
if (netif_msg_drv(priv))
printk(KERN_ERR "%s: Could not attach to PHY\n",
dev->name);
- return PTR_ERR(priv->phy);
+ rc = PTR_ERR(priv->phy);
+ goto fail;
}

if ((rc = register_netdev(dev))) {
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index aa9ff46..50e32df 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -688,11 +688,24 @@ static void sky2_phy_power_down(struct sky2_hw *hw, unsigned port)
sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF);
}

+/* Enable Rx/Tx */
+static void sky2_enable_rx_tx(struct sky2_port *sky2)
+{
+ struct sky2_hw *hw = sky2->hw;
+ unsigned port = sky2->port;
+ u16 reg;
+
+ reg = gma_read16(hw, port, GM_GP_CTRL);
+ reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
+ gma_write16(hw, port, GM_GP_CTRL, reg);
+}
+
/* Force a renegotiation */
static void sky2_phy_reinit(struct sky2_port *sky2)
{
spin_lock_bh(&sky2->phy_lock);
sky2_phy_init(sky2->hw, sky2->port);
+ sky2_enable_rx_tx(sky2);
spin_unlock_bh(&sky2->phy_lock);
}

@@ -1862,7 +1875,6 @@ static void sky2_link_up(struct sky2_port *sky2)
{
struct sky2_hw *hw = sky2->hw;
unsigned port = sky2->port;
- u16 reg;
static const char *fc_name[] = {
[FC_NONE] = "none",
[FC_TX] = "tx",
@@ -1870,10 +1882,7 @@ static void sky2_link_up(struct sky2_port *sky2)
[FC_BOTH] = "both",
};

- /* enable Rx/Tx */
- reg = gma_read16(hw, port, GM_GP_CTRL);
- reg |= GM_GPCR_RX_ENA | GM_GPCR_TX_ENA;
- gma_write16(hw, port, GM_GP_CTRL, reg);
+ sky2_enable_rx_tx(sky2);

gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK);

diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index 3b4e55c..055e991 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -557,6 +557,7 @@ static int prism2_config(struct pcmcia_device *link)
config_info_t conf;
cistpl_cftable_entry_t dflt = { 0 };
struct hostap_cs_priv *hw_priv;
+ unsigned long flags;

PDEBUG(DEBUG_FLOW, "prism2_config()\n");

@@ -688,6 +689,12 @@ static int prism2_config(struct pcmcia_device *link)
link->dev_node = &hw_priv->node;

/*
+ * Make sure the IRQ handler cannot proceed until at least
+ * dev->base_addr is initialized.
+ */
+ spin_lock_irqsave(&local->irq_init_lock, flags);
+
+ /*
* Allocate an interrupt line. Note that this does not assign a
* handler to the interrupt, unless the 'Handler' member of the
* irq structure is initialized.
@@ -712,6 +719,8 @@ static int prism2_config(struct pcmcia_device *link)
dev->irq = link->irq.AssignedIRQ;
dev->base_addr = link->io.BasePort1;

+ spin_unlock_irqrestore(&local->irq_init_lock, flags);
+
/* Finally, report what we've done */
printk(KERN_INFO "%s: index 0x%02x: ",
dev_info, link->conf.ConfigIndex);
@@ -742,6 +751,7 @@ static int prism2_config(struct pcmcia_device *link)
return ret;

cs_failed:
+ spin_unlock_irqrestore(&local->irq_init_lock, flags);
cs_error(link, last_fn, last_ret);

failed:
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 3153fe9..04b890f 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -2631,6 +2631,18 @@ static irqreturn_t prism2_interrupt(int irq, void *dev_id)
iface = netdev_priv(dev);
local = iface->local;

+ /* Detect early interrupt before driver is fully configued */
+ spin_lock(&local->irq_init_lock);
+ if (!dev->base_addr) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG "%s: Interrupt, but dev not configured\n",
+ dev->name);
+ }
+ spin_unlock(&local->irq_init_lock);
+ return IRQ_HANDLED;
+ }
+ spin_unlock(&local->irq_init_lock);
+
prism2_io_debug_add(dev, PRISM2_IO_DEBUG_CMD_INTERRUPT, 0, 0);

if (local->func->card_present && !local->func->card_present(local)) {
@@ -3187,6 +3199,7 @@ prism2_init_local_data(struct prism2_helper_functions *funcs, int card_idx,
spin_lock_init(&local->cmdlock);
spin_lock_init(&local->baplock);
spin_lock_init(&local->lock);
+ spin_lock_init(&local->irq_init_lock);
mutex_init(&local->rid_bap_mtx);

if (card_idx < 0 || card_idx >= MAX_PARM_DEVICES)
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index a68f97c..1c986f2 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -653,7 +653,7 @@ struct local_info {
rwlock_t iface_lock; /* hostap_interfaces read lock; use write lock
* when removing entries from the list.
* TX and RX paths can use read lock. */
- spinlock_t cmdlock, baplock, lock;
+ spinlock_t cmdlock, baplock, lock, irq_init_lock;
struct mutex rid_bap_mtx;
u16 infofid; /* MAC buffer id for info frame */
/* txfid, intransmitfid, next_txtid, and next_alloc are protected by
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index a735526..a7b7da1 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -645,9 +645,9 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
/* Does this really need to be GFP_DMA? */
p = kmalloc(usg->sg[i].count,GFP_KERNEL|__GFP_DMA);
if(!p) {
- kfree (usg);
- dprintk((KERN_DEBUG"aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
+ dprintk((KERN_DEBUG "aacraid: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
usg->sg[i].count,i,usg->count));
+ kfree(usg);
rcode = -ENOMEM;
goto cleanup;
}
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index cff0c53..31a1668 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1594,6 +1594,14 @@ CIFSSMBWrite(const int xid, struct cifsTconInfo *tcon,
*nbytes = le16_to_cpu(pSMBr->CountHigh);
*nbytes = (*nbytes) << 16;
*nbytes += le16_to_cpu(pSMBr->Count);
+
+ /*
+ * Mask off high 16 bits when bytes written as returned by the
+ * server is greater than bytes requested by the client. Some
+ * OS/2 servers are known to set incorrect CountHigh values.
+ */
+ if (*nbytes > count)
+ *nbytes &= 0xFFFF;
}

cifs_buf_release(pSMB);
@@ -1679,6 +1687,14 @@ CIFSSMBWrite2(const int xid, struct cifsTconInfo *tcon,
*nbytes = le16_to_cpu(pSMBr->CountHigh);
*nbytes = (*nbytes) << 16;
*nbytes += le16_to_cpu(pSMBr->Count);
+
+ /*
+ * Mask off high 16 bits when bytes written as returned by the
+ * server is greater than bytes requested by the client. OS/2
+ * servers are known to set incorrect CountHigh values.
+ */
+ if (*nbytes > count)
+ *nbytes &= 0xFFFF;
}

/* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index 3890cc2..52c72ea 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -482,15 +482,7 @@ CIFS_SessSetup(unsigned int xid, struct cifsSesInfo *ses, int first_time,

/* calculate session key */
setup_ntlmv2_rsp(ses, v2_sess_key, nls_cp);
- if (first_time) /* should this be moved into common code
- with similar ntlmv2 path? */
- /* cifs_calculate_ntlmv2_mac_key(ses->server->mac_signing_key,
- response BB FIXME, v2_sess_key); */
-
- /* copy session key */
-
- /* memcpy(bcc_ptr, (char *)ntlm_session_key,LM2_SESS_KEY_SIZE);
- bcc_ptr += LM2_SESS_KEY_SIZE; */
+ /* FIXME: calculate MAC key */
memcpy(bcc_ptr, (char *)v2_sess_key,
sizeof(struct ntlmv2_resp));
bcc_ptr += sizeof(struct ntlmv2_resp);
diff --git a/fs/ecryptfs/messaging.c b/fs/ecryptfs/messaging.c
index 1b5c200..517bd46 100644
--- a/fs/ecryptfs/messaging.c
+++ b/fs/ecryptfs/messaging.c
@@ -30,9 +30,9 @@ static struct mutex ecryptfs_msg_ctx_lists_mux;

static struct hlist_head *ecryptfs_daemon_hash;
struct mutex ecryptfs_daemon_hash_mux;
-static int ecryptfs_hash_buckets;
+static int ecryptfs_hash_bits;
#define ecryptfs_uid_hash(uid) \
- hash_long((unsigned long)uid, ecryptfs_hash_buckets)
+ hash_long((unsigned long)uid, ecryptfs_hash_bits)

static u32 ecryptfs_msg_counter;
static struct ecryptfs_msg_ctx *ecryptfs_msg_ctx_arr;
@@ -599,18 +599,19 @@ int ecryptfs_init_messaging(unsigned int transport)
}
mutex_init(&ecryptfs_daemon_hash_mux);
mutex_lock(&ecryptfs_daemon_hash_mux);
- ecryptfs_hash_buckets = 1;
- while (ecryptfs_number_of_users >> ecryptfs_hash_buckets)
- ecryptfs_hash_buckets++;
+ ecryptfs_hash_bits = 1;
+ while (ecryptfs_number_of_users >> ecryptfs_hash_bits)
+ ecryptfs_hash_bits++;
ecryptfs_daemon_hash = kmalloc((sizeof(struct hlist_head)
- * ecryptfs_hash_buckets), GFP_KERNEL);
+ * (1 << ecryptfs_hash_bits)),
+ GFP_KERNEL);
if (!ecryptfs_daemon_hash) {
rc = -ENOMEM;
printk(KERN_ERR "%s: Failed to allocate memory\n", __func__);
mutex_unlock(&ecryptfs_daemon_hash_mux);
goto out;
}
- for (i = 0; i < ecryptfs_hash_buckets; i++)
+ for (i = 0; i < (1 << ecryptfs_hash_bits); i++)
INIT_HLIST_HEAD(&ecryptfs_daemon_hash[i]);
mutex_unlock(&ecryptfs_daemon_hash_mux);
ecryptfs_msg_ctx_arr = kmalloc((sizeof(struct ecryptfs_msg_ctx)
@@ -680,7 +681,7 @@ void ecryptfs_release_messaging(unsigned int transport)
int i;

mutex_lock(&ecryptfs_daemon_hash_mux);
- for (i = 0; i < ecryptfs_hash_buckets; i++) {
+ for (i = 0; i < (1 << ecryptfs_hash_bits); i++) {
int rc;

hlist_for_each_entry(daemon, elem,
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index 408f743..a4cb9d1 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -793,7 +793,7 @@ do { \
X##_e -= (_FP_W_TYPE_SIZE - rsize); \
X##_e = rsize - X##_e - 1; \
\
- if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e) \
+ if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs <= X##_e) \
__FP_FRAC_SRS_1(ur_, (X##_e - _FP_WFRACBITS_##fs + 1), rsize);\
_FP_FRAC_DISASSEMBLE_##wc(X, ur_, rsize); \
if ((_FP_WFRACBITS_##fs - X##_e - 1) > 0) \
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index 44c8d65..1be1a6c 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -95,9 +95,11 @@ static void send_reset(struct sk_buff *oldskb)
fl.fl_ip_dport = otcph.source;
security_skb_classify_flow(oldskb, &fl);
dst = ip6_route_output(&init_net, NULL, &fl);
- if (dst == NULL)
+ if (dst == NULL || dst->error) {
+ dst_release(dst);
return;
- if (dst->error || xfrm_lookup(&dst, &fl, NULL, 0))
+ }
+ if (xfrm_lookup(&dst, &fl, NULL, 0))
return;

hh_len = (dst->dev->hard_header_len + 15)&~15;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index f05e36a..78480c2 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -1292,7 +1292,7 @@ static unsigned int *reloc_location(struct elf_info *elf,
int section = sechdr->sh_info;

return (void *)elf->hdr + sechdrs[section].sh_offset +
- (r->r_offset - sechdrs[section].sh_addr);
+ r->r_offset - sechdrs[section].sh_addr;
}

static int addend_386_rel(struct elf_info *elf, Elf_Shdr *sechdr, Elf_Rela *r)
--
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