diff options
| -rw-r--r-- | drivers/leds/led-class.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c index 052c7571e188..647b1263c579 100644 --- a/drivers/leds/led-class.c +++ b/drivers/leds/led-class.c @@ -287,6 +287,7 @@ int led_classdev_register_ext(struct device *parent, ret = led_add_brightness_hw_changed(led_cdev); if (ret) { device_unregister(led_cdev->dev); + led_cdev->dev = NULL; mutex_unlock(&led_cdev->led_access); return ret; } @@ -332,6 +333,9 @@ EXPORT_SYMBOL_GPL(led_classdev_register_ext); */ void led_classdev_unregister(struct led_classdev *led_cdev) { + if (IS_ERR_OR_NULL(led_cdev->dev)) + return; + #ifdef CONFIG_LEDS_TRIGGERS down_write(&led_cdev->trigger_lock); if (led_cdev->trigger) |