Merge commit 'v2.6.26' into x86/core

21 files changed, 107 insertions, 43 deletions

diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index 0291ade..619e8ca 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -377,7 +377,7 @@ Bug Reporting
 bugzilla.kernel.org is where the Linux kernel developers track kernel
 bugs.  Users are encouraged to report all bugs that they find in this
 tool.  For details on how to use the kernel bugzilla, please see:
-	http://test.kernel.org/bugzilla/faq.html
+	http://bugzilla.kernel.org/page.cgi?id=faq.html
 
 The file REPORTING-BUGS in the main kernel source directory has a good
 template for how to report a possible kernel bug, and details what kind
diff --git a/MAINTAINERS b/MAINTAINERS
index c94d038..1528e58 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3088,8 +3088,8 @@ L:	linux-scsi@vger.kernel.org
 S:	Maintained
 
 OPROFILE
-P:	Philippe Elie
-M:	phil.el@wanadoo.fr
+P:	Robert Richter
+M:	robert.richter@amd.com
 L:	oprofile-list@lists.sf.net
 S:	Maintained
 
diff --git a/Makefile b/Makefile
index 6315424..e3c5eb6 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 26
-EXTRAVERSION = -rc9
+EXTRAVERSION =
 NAME = Rotary Wombat
 
 # *DOCUMENTATION*
diff --git a/block/bsg.c b/block/bsg.c
index f0b7cd3..54d617f 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -709,11 +709,12 @@ static void bsg_kref_release_function(struct kref *kref)
 {
 	struct bsg_class_device *bcd =
 		container_of(kref, struct bsg_class_device, ref);
+	struct device *parent = bcd->parent;
 
 	if (bcd->release)
 		bcd->release(bcd->parent);
 
-	put_device(bcd->parent);
+	put_device(parent);
 }
 
 static int bsg_put_device(struct bsg_device *bd)
diff --git a/drivers/char/pcmcia/ipwireless/hardware.c b/drivers/char/pcmcia/ipwireless/hardware.c
index ba6340a..929101e 100644
--- a/drivers/char/pcmcia/ipwireless/hardware.c
+++ b/drivers/char/pcmcia/ipwireless/hardware.c
@@ -590,8 +590,10 @@ static struct ipw_rx_packet *pool_allocate(struct ipw_hardware *hw,
 		packet = kmalloc(sizeof(struct ipw_rx_packet) +
 				old_packet->length + minimum_free_space,
 				GFP_ATOMIC);
-		if (!packet)
+		if (!packet) {
+			kfree(old_packet);
 			return NULL;
+		}
 		memcpy(packet, old_packet,
 				sizeof(struct ipw_rx_packet)
 					+ old_packet->length);
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 0f3c66d..8d8c6b7 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1977,8 +1977,10 @@ isdn_writebuf_stub(int drvidx, int chan, const u_char __user * buf, int len)
 	if (!skb)
 		return -ENOMEM;
 	skb_reserve(skb, hl);
-	if (copy_from_user(skb_put(skb, len), buf, len))
+	if (copy_from_user(skb_put(skb, len), buf, len)) {
+		dev_kfree_skb(skb);
 		return -EFAULT;
+	}
 	ret = dev->drv[drvidx]->interface->writebuf_skb(drvidx, chan, 1, skb);
 	if (ret <= 0)
 		dev_kfree_skb(skb);
diff --git a/drivers/media/video/ov7670.c b/drivers/media/video/ov7670.c
index 2bc6bdc..d7bfd30 100644
--- a/drivers/media/video/ov7670.c
+++ b/drivers/media/video/ov7670.c
@@ -406,8 +406,10 @@ static int ov7670_read(struct i2c_client *c, unsigned char reg,
 	int ret;
 
 	ret = i2c_smbus_read_byte_data(c, reg);
-	if (ret >= 0)
+	if (ret >= 0) {
 		*value = (unsigned char) ret;
+		ret = 0;
+	}
 	return ret;
 }
 
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index db3c892..d40d6d1 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1686,9 +1686,14 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 		ioc->bus_type = SAS;
 	}
 
-	if (ioc->bus_type == SAS && mpt_msi_enable == -1)
-		ioc->msi_enable = 1;
-	else
+	if (mpt_msi_enable == -1) {
+		/* Enable on SAS, disable on FC and SPI */
+		if (ioc->bus_type == SAS)
+			ioc->msi_enable = 1;
+		else
+			ioc->msi_enable = 0;
+	} else
+		/* follow flag: 0 - disable; 1 - enable */
 		ioc->msi_enable = mpt_msi_enable;
 
 	if (ioc->errata_flag_1064)
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 25bcfcf..1effca4 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -1266,13 +1266,18 @@ mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
 static int
 mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 {
-	struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
 	int rc;
 
 	rc = mptscsih_ioc_reset(ioc, reset_phase);
 
-	if (reset_phase == MPT_IOC_POST_RESET)
+	/* only try to do a renegotiation if we're properly set up
+	 * if we get an ioc fault on bringup, ioc->sh will be NULL */
+	if (reset_phase == MPT_IOC_POST_RESET &&
+	    ioc->sh) {
+		struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
+
 		mptspi_dv_renegotiate(hd);
+	}
 
 	return rc;
 }
diff --git a/drivers/rtc/rtc-fm3130.c b/drivers/rtc/rtc-fm3130.c
index 11644c8..abfdfcb 100644
--- a/drivers/rtc/rtc-fm3130.c
+++ b/drivers/rtc/rtc-fm3130.c
@@ -55,7 +55,7 @@ struct fm3130 {
 	int			alarm;
 };
 static const struct i2c_device_id fm3130_id[] = {
-	{ "fm3130-rtc", 0 },
+	{ "fm3130", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, fm3130_id);
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 0fc4c36..748a502 100644
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -302,6 +302,7 @@ static int pcf8563_remove(struct i2c_client *client)
 
 static const struct i2c_device_id pcf8563_id[] = {
 	{ "pcf8563", 0 },
+	{ "rtc8564", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, pcf8563_id);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 999e91e..e7a3a65 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -71,6 +71,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/libata.h>
+#include <linux/hdreg.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/processor.h>
@@ -4913,8 +4914,11 @@ static int ipr_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 	struct ipr_resource_entry *res;
 
 	res = (struct ipr_resource_entry *)sdev->hostdata;
-	if (res && ipr_is_gata(res))
+	if (res && ipr_is_gata(res)) {
+		if (cmd == HDIO_GET_IDENTITY)
+			return -ENOTTY;
 		return ata_scsi_ioctl(sdev, cmd, arg);
+	}
 
 	return -EINVAL;
 }
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index a82d2fe..cbf55d5 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -207,6 +207,15 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
 	 */
 	blk_execute_rq(req->q, NULL, req, 1);
 
+	/*
+	 * Some devices (USB mass-storage in particular) may transfer
+	 * garbage data together with a residue indicating that the data
+	 * is invalid.  Prevent the garbage from being misinterpreted
+	 * and prevent security leaks by zeroing out the excess data.
+	 */
+	if (unlikely(req->data_len > 0 && req->data_len <= bufflen))
+		memset(buffer + (bufflen - req->data_len), 0, req->data_len);
+
 	ret = req->errors;
  out:
 	blk_put_request(req);
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1bc00b7..be95e55 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2623,6 +2623,9 @@ static struct console serial8250_console = {
 
 static int __init serial8250_console_init(void)
 {
+	if (nr_uarts > UART_NR)
+		nr_uarts = UART_NR;
+
 	serial8250_isa_init_ports();
 	register_console(&serial8250_console);
 	return 0;
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index 24843fd..59df132 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -74,6 +74,7 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma,
 {
 	struct fb_info *info = vma->vm_private_data;
 	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct page *cur;
 
 	/* this is a callback we get when userspace first tries to
 	write to the page. we schedule a workqueue. that workqueue
@@ -83,7 +84,24 @@ static int fb_deferred_io_mkwrite(struct vm_area_struct *vma,
 
 	/* protect against the workqueue changing the page list */
 	mutex_lock(&fbdefio->lock);
-	list_add(&page->lru, &fbdefio->pagelist);
+
+	/* we loop through the pagelist before adding in order
+	to keep the pagelist sorted */
+	list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+		/* this check is to catch the case where a new
+		process could start writing to the same page
+		through a new pte. this new access can cause the
+		mkwrite even when the original ps's pte is marked
+		writable */
+		if (unlikely(cur == page))
+			goto page_already_added;
+		else if (cur->index > page->index)
+			break;
+	}
+
+	list_add_tail(&page->lru, &cur->lru);
+
+page_already_added:
 	mutex_unlock(&fbdefio->lock);
 
 	/* come back after delay to process the deferred IO */
diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 34902cf..0e9fc2b 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -34,11 +34,11 @@
 static struct cifs_wksid wksidarr[NUM_WK_SIDS] = {
 	{{1, 0, {0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0} }, "null user"},
 	{{1, 1, {0, 0, 0, 0, 0, 1}, {0, 0, 0, 0, 0} }, "nobody"},
-	{{1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(11), 0, 0, 0, 0} }, "net-users"},
-	{{1, 1, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(18), 0, 0, 0, 0} }, "sys"},
-	{{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(544), 0, 0, 0} }, "root"},
-	{{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(545), 0, 0, 0} }, "users"},
-	{{1, 2, {0, 0, 0, 0, 0, 5}, {cpu_to_le32(32), cpu_to_le32(546), 0, 0, 0} }, "guest"} }
+	{{1, 1, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(11), 0, 0, 0, 0} }, "net-users"},
+	{{1, 1, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(18), 0, 0, 0, 0} }, "sys"},
+	{{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(544), 0, 0, 0} }, "root"},
+	{{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(545), 0, 0, 0} }, "users"},
+	{{1, 2, {0, 0, 0, 0, 0, 5}, {__constant_cpu_to_le32(32), __constant_cpu_to_le32(546), 0, 0, 0} }, "guest"} }
 ;
 
 
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 722be54..2e904bd 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -219,15 +219,15 @@ int cifs_get_inode_info_unix(struct inode **pinode,
 	rc = CIFSSMBUnixQPathInfo(xid, pTcon, full_path, &find_data,
 				  cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
-	if (rc) {
-		if (rc == -EREMOTE && !is_dfs_referral) {
-			is_dfs_referral = true;
-			cFYI(DBG2, ("DFS ref"));
-			/* for DFS, server does not give us real inode data */
-			fill_fake_finddataunix(&find_data, sb);
-			rc = 0;
-		}
-	}
+	if (rc == -EREMOTE && !is_dfs_referral) {
+		is_dfs_referral = true;
+		cFYI(DBG2, ("DFS ref"));
+		/* for DFS, server does not give us real inode data */
+		fill_fake_finddataunix(&find_data, sb);
+		rc = 0;
+	} else if (rc)
+		goto cgiiu_exit;
+
 	num_of_bytes = le64_to_cpu(find_data.NumOfBytes);
 	end_of_file = le64_to_cpu(find_data.EndOfFile);
 
@@ -236,7 +236,7 @@ int cifs_get_inode_info_unix(struct inode **pinode,
 		*pinode = new_inode(sb);
 		if (*pinode == NULL) {
 			rc = -ENOMEM;
-		goto cgiiu_exit;
+			goto cgiiu_exit;
 		}
 		/* Is an i_ino of zero legal? */
 		/* note ino incremented to unique num in new_inode */
diff --git a/include/asm-frv/system.h b/include/asm-frv/system.h
index d3a12a9..7742ec0 100644
--- a/include/asm-frv/system.h
+++ b/include/asm-frv/system.h
@@ -87,7 +87,7 @@ do {								\
 } while(0)
 
 #define irqs_disabled() \
-	({unsigned long flags; local_save_flags(flags); flags; })
+	({unsigned long flags; local_save_flags(flags); !!flags; })
 
 #define	local_irq_save(flags)			\
 do {						\
diff --git a/include/asm-x86/desc.h b/include/asm-x86/desc.h
index 07f9f2b..a44c4dc 100644
--- a/include/asm-x86/desc.h
+++ b/include/asm-x86/desc.h
@@ -188,8 +188,8 @@ static inline void native_set_ldt(const void *addr, unsigned int entries)
 		unsigned cpu = smp_processor_id();
 		ldt_desc ldt;
 
-		set_tssldt_descriptor(&ldt, (unsigned long)addr,
-				      DESC_LDT, entries * sizeof(ldt) - 1);
+		set_tssldt_descriptor(&ldt, (unsigned long)addr, DESC_LDT,
+				      entries * LDT_ENTRY_SIZE - 1);
 		write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_LDT,
 				&ldt, DESC_LDT);
 		asm volatile("lldt %w0"::"q" (GDT_ENTRY_LDT*8));
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 9fceb97..798b3ab 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -1882,7 +1882,7 @@ static void scan_for_empty_cpusets(const struct cpuset *root)
  * in order to minimize text size.
  */
 
-static void common_cpu_mem_hotplug_unplug(void)
+static void common_cpu_mem_hotplug_unplug(int rebuild_sd)
 {
 	cgroup_lock();
 
@@ -1894,7 +1894,8 @@ static void common_cpu_mem_hotplug_unplug(void)
 	 * Scheduler destroys domains on hotplug events.
 	 * Rebuild them based on the current settings.
 	 */
-	rebuild_sched_domains();
+	if (rebuild_sd)
+		rebuild_sched_domains();
 
 	cgroup_unlock();
 }
@@ -1912,11 +1913,22 @@ static void common_cpu_mem_hotplug_unplug(void)
 static int cpuset_handle_cpuhp(struct notifier_block *unused_nb,
 				unsigned long phase, void *unused_cpu)
 {
-	if (phase == CPU_DYING || phase == CPU_DYING_FROZEN)
+	switch (phase) {
+	case CPU_UP_CANCELED:
+	case CPU_UP_CANCELED_FROZEN:
+	case CPU_DOWN_FAILED:
+	case CPU_DOWN_FAILED_FROZEN:
+	case CPU_ONLINE:
+	case CPU_ONLINE_FROZEN:
+	case CPU_DEAD:
+	case CPU_DEAD_FROZEN:
+		common_cpu_mem_hotplug_unplug(1);
+		break;
+	default:
 		return NOTIFY_DONE;
+	}
 
-	common_cpu_mem_hotplug_unplug();
-	return 0;
+	return NOTIFY_OK;
 }
 
 #ifdef CONFIG_MEMORY_HOTPLUG
@@ -1929,7 +1941,7 @@ static int cpuset_handle_cpuhp(struct notifier_block *unused_nb,
 
 void cpuset_track_online_nodes(void)
 {
-	common_cpu_mem_hotplug_unplug();
+	common_cpu_mem_hotplug_unplug(0);
 }
 #endif
 
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index fd764a0..ddd92ce 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -222,7 +222,7 @@ static void devcgroup_destroy(struct cgroup_subsys *ss,
 #define DEVCG_DENY 2
 #define DEVCG_LIST 3
 
-#define MAJMINLEN 10
+#define MAJMINLEN 13
 #define ACCLEN 4
 
 static void set_access(char *acc, short access)
@@ -254,7 +254,7 @@ static void set_majmin(char *str, unsigned m)
 	if (m == ~0)
 		sprintf(str, "*");
 	else
-		snprintf(str, MAJMINLEN, "%d", m);
+		snprintf(str, MAJMINLEN, "%u", m);
 }
 
 static int devcgroup_seq_read(struct cgroup *cgroup, struct cftype *cft,
@@ -300,7 +300,7 @@ static int may_access_whitelist(struct dev_cgroup *c,
 			continue;
 		if (whitem->minor != ~0 && whitem->minor != refwh->minor)
 			continue;
-		if (refwh->access & (~(whitem->access | ACC_MASK)))
+		if (refwh->access & (~whitem->access))
 			continue;
 		return 1;
 	}