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authorShuah Khan <shuahkhan@gmail.com>2012-05-30 02:07:26 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-05-30 03:22:31 +0400
commit872b86be0a285b11b03614456b67fdaf78e86f3d (patch)
tree1bd709cf5e71997b290e3eaf9a4aa8dd16dc49a9 /drivers/leds
parent5ba736311bf6fea25c97e868b7de6d3de8800aba (diff)
downloadlinux-872b86be0a285b11b03614456b67fdaf78e86f3d.tar.xz
leds: simple_strtoul() cleanup
led-class.c and ledtrig-timer.c still use simple_strtoul(). Change them to use kstrtoul() instead of obsolete simple_strtoul(). Also fix the existing int ret declaration to be ssize_t to match the return type for _store functions in ledtrig-timer.c. Signed-off-by: Shuah Khan <shuahkhan@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Bryan Wu <bryan.wu@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/led-class.c21
-rw-r--r--drivers/leds/ledtrig-timer.c48
2 files changed, 28 insertions, 41 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 5bff8439dc68..8ee92c81aec2 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -44,23 +44,18 @@ static ssize_t led_brightness_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
+ unsigned long state;
ssize_t ret = -EINVAL;
- char *after;
- unsigned long state = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
- if (isspace(*after))
- count++;
+ ret = kstrtoul(buf, 10, &state);
+ if (ret)
+ return ret;
- if (count == size) {
- ret = count;
+ if (state == LED_OFF)
+ led_trigger_remove(led_cdev);
+ led_set_brightness(led_cdev, state);
- if (state == LED_OFF)
- led_trigger_remove(led_cdev);
- led_set_brightness(led_cdev, state);
- }
-
- return ret;
+ return size;
}
static ssize_t led_max_brightness_show(struct device *dev,
diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c
index 328c64c0841c..b32d5eae8227 100644
--- a/drivers/leds/ledtrig-timer.c
+++ b/drivers/leds/ledtrig-timer.c
@@ -31,21 +31,17 @@ static ssize_t led_delay_on_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
- int ret = -EINVAL;
- char *after;
- unsigned long state = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (isspace(*after))
- count++;
-
- if (count == size) {
- led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
- led_cdev->blink_delay_on = state;
- ret = count;
- }
+ unsigned long state;
+ ssize_t ret = -EINVAL;
+
+ ret = kstrtoul(buf, 10, &state);
+ if (ret)
+ return ret;
+
+ led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off);
+ led_cdev->blink_delay_on = state;
- return ret;
+ return size;
}
static ssize_t led_delay_off_show(struct device *dev,
@@ -60,21 +56,17 @@ static ssize_t led_delay_off_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t size)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
- int ret = -EINVAL;
- char *after;
- unsigned long state = simple_strtoul(buf, &after, 10);
- size_t count = after - buf;
-
- if (isspace(*after))
- count++;
-
- if (count == size) {
- led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
- led_cdev->blink_delay_off = state;
- ret = count;
- }
+ unsigned long state;
+ ssize_t ret = -EINVAL;
+
+ ret = kstrtoul(buf, 10, &state);
+ if (ret)
+ return ret;
+
+ led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state);
+ led_cdev->blink_delay_off = state;
- return ret;
+ return size;
}
static DEVICE_ATTR(delay_on, 0644, led_delay_on_show, led_delay_on_store);