diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 8a9bc37f0b6e..7e5b1b13360f 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -971,6 +971,8 @@ static void snd_usbmidi_us122l_output(struct snd_usb_midi_out_endpoint *ep,
 	default:
 		count = 2;
 	}
+	if (ep->max_transfer < count)
+		return;
 	count = snd_rawmidi_transmit(ep->ports[0].substream,
 				     urb->transfer_buffer,
 				     count);