commit 0f672f6c0b52b7b0700b0915c72b540721af4465
author David Brazdil <dbrazdil@google.com> Tue Dec 10 10:32:29 2019 +0000
committer David Brazdil <dbrazdil@google.com> Tue Dec 10 19:03:18 2019 +0000
tree 85c8cba019caa205e4f8920d72d93f6d6deaf29c
parent 3a0ad55d848b50499b68d7141d4eca997fce28ef

Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd

sound/usb/midi.c

diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index dcfc546..b737f0e 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1175,8 +1175,7 @@
 		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);