diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index 1e2cf2f08eec..84f26dce7f5d 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -804,6 +804,7 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
 
 	default:
 		/* no input methods supported on this device */
+		ret = -EINVAL;
 		goto exit_free_idev;
 	}