diff --git a/sound/usb/line6/playback.c b/sound/usb/line6/playback.c
index 7ebaf125f969..aa6ddf8746a0 100644
--- a/sound/usb/line6/playback.c
+++ b/sound/usb/line6/playback.c
@@ -182,6 +182,13 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm)
 
 		fsize *= bytes_per_frame;
 
+		if (fsize > line6pcm->max_packet_size_out) {
+			dev_err(line6pcm->line6->ifcdev,
+				"playback packet too large: %d > %d\n",
+				fsize, line6pcm->max_packet_size_out);
+			return -EMSGSIZE;
+		}
+
 		fout->offset = urb_size;
 		fout->length = fsize;
 		urb_size += fsize;