Input: gameport - check return value of gameport_register_driver()

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/joydump.c b/drivers/input/joystick/joydump.c
index 2a1b82c..cd894a0 100644
--- a/drivers/input/joystick/joydump.c
+++ b/drivers/input/joystick/joydump.c
@@ -161,8 +161,7 @@
 
 static int __init joydump_init(void)
 {
-	gameport_register_driver(&joydump_drv);
-	return 0;
+	return gameport_register_driver(&joydump_drv);
 }
 
 static void __exit joydump_exit(void)