diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index cc0903af6a7f..78e809241e19 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -671,7 +671,7 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream)
 	ret = snd_vendor_set_pcm_intf(iface, subs->data_endpoint->iface,
 				      subs->data_endpoint->altsetting,
 				      subs->direction, subs);
-	if (!ret)
+	if (ret)
 		goto unlock;
 
 	/* reset the pointer */