diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 7c3a0a138af2..5276b3f228e7 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -1343,11 +1343,10 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip,
 	const struct audioformat *fmt = ep->cur_audiofmt;
 	int err;
 
-	mutex_lock(&chip->mutex);
 	/* release old buffers, if any */
 	err = release_urbs(ep, false);
 	if (err < 0)
-		goto unlock;
+		return err;
 
 	ep->datainterval = fmt->datainterval;
 	ep->maxpacksize = fmt->maxpacksize;
@@ -1385,16 +1384,13 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip,
 	usb_audio_dbg(chip, "Set up %d URBS, ret=%d\n", ep->nurbs, err);
 
 	if (err < 0)
-		goto unlock;
+		return err;
 
 	/* some unit conversions in runtime */
 	ep->maxframesize = ep->maxpacksize / ep->cur_frame_bytes;
 	ep->curframesize = ep->curpacksize / ep->cur_frame_bytes;
 
-	err = update_clock_ref_rate(chip, ep);
- unlock:
-	mutex_unlock(&chip->mutex);
-	return err;
+	return update_clock_ref_rate(chip, ep);
 }
 
 static int init_sample_rate(struct snd_usb_audio *chip,