Pull acpi_bus_register_driver into release branch

[pandora-kernel.git] / drivers / leds / led-class.c

diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index b0b5d05..c75d0ef 100644 (file)
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -19,6 +19,7 @@
 #include <linux/sysdev.h>
 #include <linux/timer.h>
 #include <linux/err.h>
+#include <linux/ctype.h>
 #include <linux/leds.h>
 #include "leds.h"
 
@@ -43,9 +44,13 @@ static ssize_t led_brightness_store(struct class_device *dev,
        ssize_t ret = -EINVAL;
        char *after;
        unsigned long state = simple_strtoul(buf, &after, 10);
+       size_t count = after - buf;
 
-       if (after - buf > 0) {
-               ret = after - buf;
+       if (*after && isspace(*after))
+               count++;
+
+       if (count == size) {
+               ret = count;
                led_set_brightness(led_cdev, state);
        }