From b8ef5a7ea0c14c7ae995f4905479082edfb6f8aa Mon Sep 17 00:00:00 2001
From: John Baldwin <jhb@FreeBSD.org>
Date: Tue, 12 Apr 2022 14:58:58 -0700
Subject: [PATCH] sound aoa: Mark variable only used in debug trace as unused.

---
 sys/dev/sound/macio/aoa.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/sound/macio/aoa.c b/sys/dev/sound/macio/aoa.c
index 04a29d3030b..3ba1bfaf727 100644
--- a/sys/dev/sound/macio/aoa.c
+++ b/sys/dev/sound/macio/aoa.c
@@ -369,7 +369,7 @@ aoa_attach(void *xsc)
 	char status[SND_STATUSLEN];
 	struct aoa_softc *sc;
 	device_t self;
-	int err;
+	int err __unused;
 
 	sc = xsc;
 	self = sc->sc_dev;