Merge branch 'akpm' (aka "Andrew's patch-bomb")

Andrew elucidates:
 - First installmeant of MM.  We have a HUGE number of MM patches this
   time.  It's crazy.
 - MAINTAINERS updates
 - backlight updates
 - leds
 - checkpatch updates
 - misc ELF stuff
 - rtc updates
 - reiserfs
 - procfs
 - some misc other bits

* akpm: (124 commits)
  user namespace: make signal.c respect user namespaces
  workqueue: make alloc_workqueue() take printf fmt and args for name
  procfs: add hidepid= and gid= mount options
  procfs: parse mount options
  procfs: introduce the /proc/<pid>/map_files/ directory
  procfs: make proc_get_link to use dentry instead of inode
  signal: add block_sigmask() for adding sigmask to current->blocked
  sparc: make SA_NOMASK a synonym of SA_NODEFER
  reiserfs: don't lock root inode searching
  reiserfs: don't lock journal_init()
  reiserfs: delay reiserfs lock until journal initialization
  reiserfs: delete comments referring to the BKL
  drivers/rtc/interface.c: fix alarm rollover when day or month is out-of-range
  drivers/rtc/rtc-twl.c: add DT support for RTC inside twl4030/twl6030
  drivers/rtc/: remove redundant spi driver bus initialization
  drivers/rtc/rtc-jz4740.c: make jz4740_rtc_driver static
  drivers/rtc/rtc-mc13xxx.c: make mc13xxx_rtc_idtable static
  rtc: convert drivers/rtc/* to use module_platform_driver()
  drivers/rtc/rtc-wm831x.c: convert to devm_kzalloc()
  drivers/rtc/rtc-wm831x.c: remove unused period IRQ handler
  ...

1 files changed, 10 insertions, 16 deletions

diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c
index 71a11cadffc4..79c1b0d609a8 100644
--- a/drivers/video/backlight/lcd.c
+++ b/drivers/video/backlight/lcd.c
@@ -97,19 +97,16 @@ static ssize_t lcd_store_power(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	int rc = -ENXIO;
-	char *endp;
 	struct lcd_device *ld = to_lcd_device(dev);
-	int power = simple_strtoul(buf, &endp, 0);
-	size_t size = endp - buf;
+	unsigned long power;
 
-	if (isspace(*endp))
-		size++;
-	if (size != count)
-		return -EINVAL;
+	rc = kstrtoul(buf, 0, &power);
+	if (rc)
+		return rc;
 
 	mutex_lock(&ld->ops_lock);
 	if (ld->ops && ld->ops->set_power) {
-		pr_debug("lcd: set power to %d\n", power);
+		pr_debug("lcd: set power to %lu\n", power);
 		ld->ops->set_power(ld, power);
 		rc = count;
 	}
@@ -136,19 +133,16 @@ static ssize_t lcd_store_contrast(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	int rc = -ENXIO;
-	char *endp;
 	struct lcd_device *ld = to_lcd_device(dev);
-	int contrast = simple_strtoul(buf, &endp, 0);
-	size_t size = endp - buf;
+	unsigned long contrast;
 
-	if (isspace(*endp))
-		size++;
-	if (size != count)
-		return -EINVAL;
+	rc = kstrtoul(buf, 0, &contrast);
+	if (rc)
+		return rc;
 
 	mutex_lock(&ld->ops_lock);
 	if (ld->ops && ld->ops->set_contrast) {
-		pr_debug("lcd: set contrast to %d\n", contrast);
+		pr_debug("lcd: set contrast to %lu\n", contrast);
 		ld->ops->set_contrast(ld, contrast);
 		rc = count;
 	}