Pull linus into release branch

12 files changed, 57 insertions, 51 deletions

diff --git a/Makefile b/Makefile
index f937f1f4595..497884d3d55 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
 SUBLEVEL = 15
-EXTRAVERSION =-rc7
+EXTRAVERSION =
 NAME=Sliding Snow Leopard
 
 # *DOCUMENTATION*
diff --git a/arch/i386/kernel/process.c b/arch/i386/kernel/process.c
index df6c2bcde06..2333aead056 100644
--- a/arch/i386/kernel/process.c
+++ b/arch/i386/kernel/process.c
@@ -554,7 +554,9 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs)
 	struct pt_regs ptregs;
 	
 	ptregs = *(struct pt_regs *)
-		((unsigned long)tsk->thread_info+THREAD_SIZE - sizeof(ptregs));
+		((unsigned long)tsk->thread_info +
+		/* see comments in copy_thread() about -8 */
+		THREAD_SIZE - sizeof(ptregs) - 8);
 	ptregs.xcs &= 0xffff;
 	ptregs.xds &= 0xffff;
 	ptregs.xes &= 0xffff;
diff --git a/drivers/input/joystick/warrior.c b/drivers/input/joystick/warrior.c
index 99a642d2a1f..1849b176cf1 100644
--- a/drivers/input/joystick/warrior.c
+++ b/drivers/input/joystick/warrior.c
@@ -172,7 +172,7 @@ static int warrior_connect(struct serio *serio, struct serio_driver *drv)
 	input_set_abs_params(input_dev, ABS_Y, -64, 64, 0, 8);
 	input_set_abs_params(input_dev, ABS_THROTTLE, -112, 112, 0, 0);
 	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
-	input_set_abs_params(input_dev, ABS_HAT0X, -1, 1, 0, 0);
+	input_set_abs_params(input_dev, ABS_HAT0Y, -1, 1, 0, 0);
 
 	serio_set_drvdata(serio, warrior);
 
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 5bb36274a5c..190878eef99 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -923,7 +923,7 @@ static void do_monitor_cpu_combined(void)
 	if (temp_combi >= ((state0->mpu.tmax + 8) << 16)) {
 		printk(KERN_WARNING "Warning ! Temperature way above maximum (%d) !\n",
 		       temp_combi >> 16);
-		state0->overtemp = CPU_MAX_OVERTEMP;
+		state0->overtemp += CPU_MAX_OVERTEMP / 4;
 	} else if (temp_combi > (state0->mpu.tmax << 16))
 		state0->overtemp++;
 	else
@@ -998,7 +998,7 @@ static void do_monitor_cpu_split(struct cpu_pid_state *state)
 		printk(KERN_WARNING "Warning ! CPU %d temperature way above maximum"
 		       " (%d) !\n",
 		       state->index, temp >> 16);
-		state->overtemp = CPU_MAX_OVERTEMP;
+		state->overtemp += CPU_MAX_OVERTEMP / 4;
 	} else if (temp > (state->mpu.tmax << 16))
 		state->overtemp++;
 	else
@@ -1060,7 +1060,7 @@ static void do_monitor_cpu_rack(struct cpu_pid_state *state)
 		printk(KERN_WARNING "Warning ! CPU %d temperature way above maximum"
 		       " (%d) !\n",
 		       state->index, temp >> 16);
-		state->overtemp = CPU_MAX_OVERTEMP;
+		state->overtemp = CPU_MAX_OVERTEMP / 4;
 	} else if (temp > (state->mpu.tmax << 16))
 		state->overtemp++;
 	else
diff --git a/drivers/serial/pxa.c b/drivers/serial/pxa.c
index ff5e6309d68..cc998b99a19 100644
--- a/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -361,7 +361,7 @@ static int serial_pxa_startup(struct uart_port *port)
 	if (port->line == 3) /* HWUART */
 		up->mcr |= UART_MCR_AFE;
 	else
-	up->mcr = 0;
+		up->mcr = 0;
 
 	/*
 	 * Allocate the IRQ
@@ -641,7 +641,7 @@ serial_pxa_console_write(struct console *co, const char *s, unsigned int count)
 	int i;
 
 	/*
-	 *	First save the UER then disable the interrupts
+	 *	First save the IER then disable the interrupts
 	 */
 	ier = serial_in(up, UART_IER);
 	serial_out(up, UART_IER, UART_IER_UUE);
diff --git a/drivers/usb/input/kbtab.c b/drivers/usb/input/kbtab.c
index a248664b5d1..fd48e74e78e 100644
--- a/drivers/usb/input/kbtab.c
+++ b/drivers/usb/input/kbtab.c
@@ -159,7 +159,7 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i
 	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH);
 	input_dev->mscbit[0] |= BIT(MSC_SERIAL);
 	input_set_abs_params(input_dev, ABS_X, 0, 0x2000, 4, 0);
-	input_set_abs_params(input_dev, ABS_X, 0, 0x1750, 4, 0);
+	input_set_abs_params(input_dev, ABS_Y, 0, 0x1750, 4, 0);
 	input_set_abs_params(input_dev, ABS_PRESSURE, 0, 0xff, 0, 0);
 
 	endpoint = &intf->cur_altsetting->endpoint[0].desc;
diff --git a/drivers/usb/input/wacom.c b/drivers/usb/input/wacom.c
index aea1cfae34c..dc099bbe12b 100644
--- a/drivers/usb/input/wacom.c
+++ b/drivers/usb/input/wacom.c
@@ -854,7 +854,7 @@ static int wacom_probe(struct usb_interface *intf, const struct usb_device_id *i
 
 	input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
 	input_dev->keybit[LONG(BTN_DIGI)] |= BIT(BTN_TOOL_PEN) | BIT(BTN_TOUCH) | BIT(BTN_STYLUS);
-	input_set_abs_params(input_dev, ABS_X, 0, wacom->features->y_max, 4, 0);
+	input_set_abs_params(input_dev, ABS_X, 0, wacom->features->x_max, 4, 0);
 	input_set_abs_params(input_dev, ABS_Y, 0, wacom->features->y_max, 4, 0);
 	input_set_abs_params(input_dev, ABS_PRESSURE, 0, wacom->features->pressure_max, 0, 0);
 
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index b638fb50074..72b431d0a0a 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -54,6 +54,18 @@ proc_file_read(struct file *file, char __user *buf, size_t nbytes,
 	ssize_t	n, count;
 	char	*start;
 	struct proc_dir_entry * dp;
+	unsigned long long pos;
+
+	/*
+	 * Gaah, please just use "seq_file" instead. The legacy /proc
+	 * interfaces cut loff_t down to off_t for reads, and ignore
+	 * the offset entirely for writes..
+	 */
+	pos = *ppos;
+	if (pos > MAX_NON_LFS)
+		return 0;
+	if (nbytes > MAX_NON_LFS - pos)
+		nbytes = MAX_NON_LFS - pos;
 
 	dp = PDE(inode);
 	if (!(page = (char*) __get_free_page(GFP_KERNEL)))
@@ -202,30 +214,17 @@ proc_file_write(struct file *file, const char __user *buffer,
 static loff_t
 proc_file_lseek(struct file *file, loff_t offset, int orig)
 {
-    lock_kernel();
-
-    switch (orig) {
-    case 0:
-	if (offset < 0)
-	    goto out;
-	file->f_pos = offset;
-	unlock_kernel();
-	return(file->f_pos);
-    case 1:
-	if (offset + file->f_pos < 0)
-	    goto out;
-	file->f_pos += offset;
-	unlock_kernel();
-	return(file->f_pos);
-    case 2:
-	goto out;
-    default:
-	goto out;
-    }
-
-out:
-    unlock_kernel();
-    return -EINVAL;
+	loff_t retval = -EINVAL;
+	switch (orig) {
+	case 1:
+		offset += file->f_pos;
+	/* fallthrough */
+	case 0:
+		if (offset < 0 || offset > MAX_NON_LFS)
+			break;
+		file->f_pos = retval = offset;
+	}
+	return retval;
 }
 
 static int proc_notify_change(struct dentry *dentry, struct iattr *iattr)
diff --git a/include/asm-i386/param.h b/include/asm-i386/param.h
index fa02e67ea86..095580f3a45 100644
--- a/include/asm-i386/param.h
+++ b/include/asm-i386/param.h
@@ -1,9 +1,8 @@
-#include <linux/config.h>
-
 #ifndef _ASMi386_PARAM_H
 #define _ASMi386_PARAM_H
 
 #ifdef __KERNEL__
+# include <linux/config.h>
 # define HZ		CONFIG_HZ	/* Internal kernel timer frequency */
 # define USER_HZ	100		/* .. some user interfaces are in "ticks" */
 # define CLOCKS_PER_SEC		(USER_HZ)	/* like times() */
diff --git a/include/asm-x86_64/param.h b/include/asm-x86_64/param.h
index 40b11937180..5956b23b57c 100644
--- a/include/asm-x86_64/param.h
+++ b/include/asm-x86_64/param.h
@@ -1,9 +1,8 @@
-#include <linux/config.h>
-
 #ifndef _ASMx86_64_PARAM_H
 #define _ASMx86_64_PARAM_H
 
 #ifdef __KERNEL__
+# include <linux/config.h>
 # define HZ            CONFIG_HZ	/* Internal kernel timer frequency */
 # define USER_HZ       100		/* .. some user interfaces are in "ticks */
 #define CLOCKS_PER_SEC        (USER_HZ)       /* like times() */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9990e10192e..b53115b882e 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2192,29 +2192,32 @@ int sysctl_string(ctl_table *table, int __user *name, int nlen,
 		  void __user *oldval, size_t __user *oldlenp,
 		  void __user *newval, size_t newlen, void **context)
 {
-	size_t l, len;
-	
 	if (!table->data || !table->maxlen) 
 		return -ENOTDIR;
 	
 	if (oldval && oldlenp) {
-		if (get_user(len, oldlenp))
+		size_t bufsize;
+		if (get_user(bufsize, oldlenp))
 			return -EFAULT;
-		if (len) {
-			l = strlen(table->data);
-			if (len > l) len = l;
-			if (len >= table->maxlen)
+		if (bufsize) {
+			size_t len = strlen(table->data), copied;
+
+			/* This shouldn't trigger for a well-formed sysctl */
+			if (len > table->maxlen)
 				len = table->maxlen;
-			if(copy_to_user(oldval, table->data, len))
-				return -EFAULT;
-			if(put_user(0, ((char __user *) oldval) + len))
+
+			/* Copy up to a max of bufsize-1 bytes of the string */
+			copied = (len >= bufsize) ? bufsize - 1 : len;
+
+			if (copy_to_user(oldval, table->data, copied) ||
+			    put_user(0, (char __user *)(oldval + copied)))
 				return -EFAULT;
-			if(put_user(len, oldlenp))
+			if (put_user(len, oldlenp))
 				return -EFAULT;
 		}
 	}
 	if (newval && newlen) {
-		len = newlen;
+		size_t len = newlen;
 		if (len > table->maxlen)
 			len = table->maxlen;
 		if(copy_from_user(table->data, newval, len))
@@ -2223,7 +2226,7 @@ int sysctl_string(ctl_table *table, int __user *name, int nlen,
 			len--;
 		((char *) table->data)[len] = 0;
 	}
-	return 0;
+	return 1;
 }
 
 /*
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index bec88c81244..72f402cc9c9 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -161,6 +161,10 @@ static struct mempolicy *mpol_new(int mode, nodemask_t *nodes)
 	switch (mode) {
 	case MPOL_INTERLEAVE:
 		policy->v.nodes = *nodes;
+		if (nodes_weight(*nodes) == 0) {
+			kmem_cache_free(policy_cache, policy);
+			return ERR_PTR(-EINVAL);
+		}
 		break;
 	case MPOL_PREFERRED:
 		policy->v.preferred_node = first_node(*nodes);