Input: joysticks - handle errors when registering input devices

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c
index 840ed9b..dbc5d92 100644
--- a/drivers/input/joystick/guillemot.c
+++ b/drivers/input/joystick/guillemot.c
@@ -250,7 +250,9 @@
 	for (i = 0; (t = guillemot->type->btn[i]) >= 0; i++)
 		set_bit(t, input_dev->keybit);
 
-	input_register_device(guillemot->dev);
+	err = input_register_device(guillemot->dev);
+	if (err)
+		goto fail2;
 
 	return 0;