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path: root/drivers/leds/ledtrig-timer.c
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Diffstat (limited to 'drivers/leds/ledtrig-timer.c')
-rw-r--r--drivers/leds/ledtrig-timer.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index f484b5d6dbf..fbf141ef46e 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -20,6 +20,7 @@
#include <linux/device.h>
#include <linux/sysdev.h>
#include <linux/timer.h>
+#include <linux/ctype.h>
#include <linux/leds.h>
#include "leds.h"
@@ -69,11 +70,15 @@ static ssize_t led_delay_on_store(struct class_device *dev, const char *buf,
int ret = -EINVAL;
char *after;
unsigned long state = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
- if (after - buf > 0) {
+ if (*after && isspace(*after))
+ count++;
+
+ if (count == size) {
timer_data->delay_on = state;
mod_timer(&timer_data->timer, jiffies + 1);
- ret = after - buf;
+ ret = count;
}
return ret;
@@ -97,11 +102,15 @@ static ssize_t led_delay_off_store(struct class_device *dev, const char *buf,
int ret = -EINVAL;
char *after;
unsigned long state = simple_strtoul(buf, &after, 10);
+ size_t count = after - buf;
+
+ if (*after && isspace(*after))
+ count++;
- if (after - buf > 0) {
+ if (count == size) {
timer_data->delay_off = state;
mod_timer(&timer_data->timer, jiffies + 1);
- ret = after - buf;
+ ret = count;
}
return ret;