leds: triggers: simplify led_trigger_store

led_trigger_store can be significantly simplified by using sysfs_streq().

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

1 files changed, 2 insertions, 11 deletions

diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c
index e1e933424ac9..2181581795d3 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);