1 files changed, 1 insertions, 2 deletions
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index dcfc546d81b9..b737f0ec77d0 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1175,8 +1175,7 @@ static void snd_usbmidi_output_trigger(struct snd_rawmidi_substream *substream,
 		if (port->ep->umidi->disconnected) {
 			/* gobble up remaining bytes to prevent wait in
 			 * snd_rawmidi_drain_output */
-			while (!snd_rawmidi_transmit_empty(substream))
-				snd_rawmidi_transmit_ack(substream, 1);
+			snd_rawmidi_proceed(substream);
 			return;
 		}
 		tasklet_schedule(&port->ep->tasklet);