--- y/drivers/input/input.c
+++ n/drivers/input/input.c
@@ -677,12 +677,13 @@ int input_open_device(struct input_handl
 		if (retval) {
 			dev->users--;
 			handle->open--;
+			mutex_unlock(&dev->mutex);
 			/*
 			 * Make sure we are not delivering any more events
 			 * through this handle
 			 */
 			synchronize_rcu();
-			goto out;
+			return retval;
 		}
 	}