From 039477d3e7e72285174d83b973e58cea8de85280 Mon Sep 17 00:00:00 2001
From: Christos Margiolis <christos@FreeBSD.org>
Date: Tue, 24 Mar 2026 11:30:58 +0100
Subject: [PATCH] snd_uaudio: Simplify chan->curr_cable calculation in
 uaudio_bulk_write_callback()

Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D55918
---
 sys/dev/sound/usb/uaudio.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c
index 12e01599b20..b74cba611b2 100644
--- a/sys/dev/sound/usb/uaudio.c
+++ b/sys/dev/sound/usb/uaudio.c
@@ -5805,9 +5805,7 @@ umidi_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
 				}
 			}
 
-			chan->curr_cable++;
-			if (chan->curr_cable >= chan->max_emb_jack)
-				chan->curr_cable = 0;
+			chan->curr_cable %= chan->max_emb_jack;
 
 			if (chan->curr_cable == start_cable) {
 				if (tr_any == 0)