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path: root/drivers/leds/led-triggers.c
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Diffstat (limited to 'drivers/leds/led-triggers.c')
-rw-r--r--drivers/leds/led-triggers.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index e1e933424..218158179 100644
--- a/drivers/leds/led-triggers.c
+++ b/drivers/leds/led-triggers.c
@@ -34,9 +34,7 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct led_classdev *led_cdev = dev_get_drvdata(dev);
- char trigger_name[TRIG_NAME_MAX];
struct led_trigger *trig;
- size_t len;
int ret = count;
mutex_lock(&led_cdev->led_access);
@@ -46,21 +44,14 @@ ssize_t led_trigger_store(struct device *dev, struct device_attribute *attr,
goto unlock;
}
- trigger_name[sizeof(trigger_name) - 1] = '\0';
- strncpy(trigger_name, buf, sizeof(trigger_name) - 1);
- len = strlen(trigger_name);
-
- if (len && trigger_name[len - 1] == '\n')
- trigger_name[len - 1] = '\0';
-
- if (!strcmp(trigger_name, "none")) {
+ if (sysfs_streq(buf, "none")) {
led_trigger_remove(led_cdev);
goto unlock;
}
down_read(&triggers_list_lock);
list_for_each_entry(trig, &trigger_list, next_trig) {
- if (!strcmp(trigger_name, trig->name)) {
+ if (sysfs_streq(buf, trig->name)) {
down_write(&led_cdev->trigger_lock);
led_trigger_set(led_cdev, trig);
up_write(&led_cdev->trigger_lock);