diff --git a/include/linux/input.h b/include/linux/input.h
index e02c6a6..adfbe4f 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1125,10 +1125,10 @@
 	dev->private = data;
 }
 
-int input_register_device(struct input_dev *);
+int __must_check input_register_device(struct input_dev *);
 void input_unregister_device(struct input_dev *);
 
-int input_register_handler(struct input_handler *);
+int __must_check input_register_handler(struct input_handler *);
 void input_unregister_handler(struct input_handler *);
 
 int input_register_handle(struct input_handle *);