--- x/sound/core/init.c
+++ y/sound/core/init.c
@@ -599,8 +599,10 @@ static int snd_card_do_free(struct snd_c
 		dev_warn(card->dev, "unable to free card info\n");
 		/* Not fatal error */
 	}
-	if (card->release_completion)
+	if (card->release_completion) {
 		complete(card->release_completion);
+		return 0;
+	}
 	if (!card->managed)
 		kfree(card);
 	return 0;