From d58fbf4e1c8a35cd7dbac2ce00b54c9eef3d333e Mon Sep 17 00:00:00 2001
From: hselasky <hselasky@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Date: Thu, 25 Oct 2018 14:38:03 +0000
Subject: [PATCH] MFC r339581: Fix off-by-one which can lead to panics.

Found by:		Peter Holm <peter@holm.cc>
Sponsored by:		Mellanox Technologies


git-svn-id: svn://svn.freebsd.org/base/stable/8@339718 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
---
 sys/dev/sound/midi/sequencer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/sound/midi/sequencer.c b/sys/dev/sound/midi/sequencer.c
index 1ef784599..abfb662fc 100644
--- a/sys/dev/sound/midi/sequencer.c
+++ b/sys/dev/sound/midi/sequencer.c
@@ -737,7 +737,7 @@ static int
 seq_fetch_mid(struct seq_softc *scp, int unit, kobj_t *md)
 {
 
-	if (unit > scp->midi_number || unit < 0)
+	if (unit >= scp->midi_number || unit < 0)
 		return EINVAL;
 
 	*md = scp->midis[unit];
-- 
2.42.0