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-rw-r--r--drivers/leds/led-class.c4
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,
287 ret = led_add_brightness_hw_changed(led_cdev); 287 ret = led_add_brightness_hw_changed(led_cdev);
288 if (ret) { 288 if (ret) {
289 device_unregister(led_cdev->dev); 289 device_unregister(led_cdev->dev);
290 led_cdev->dev = NULL;
290 mutex_unlock(&led_cdev->led_access); 291 mutex_unlock(&led_cdev->led_access);
291 return ret; 292 return ret;
292 } 293 }
@@ -332,6 +333,9 @@ EXPORT_SYMBOL_GPL(led_classdev_register_ext);
332 */ 333 */
333void led_classdev_unregister(struct led_classdev *led_cdev) 334void led_classdev_unregister(struct led_classdev *led_cdev)
334{ 335{
336 if (IS_ERR_OR_NULL(led_cdev->dev))
337 return;
338
335#ifdef CONFIG_LEDS_TRIGGERS 339#ifdef CONFIG_LEDS_TRIGGERS
336 down_write(&led_cdev->trigger_lock); 340 down_write(&led_cdev->trigger_lock);
337 if (led_cdev->trigger) 341 if (led_cdev->trigger)