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Date:      Fri, 09 Jan 2026 23:27:47 +0000
From:      Christos Margiolis <christos@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: 8c005f3da817 - stable/15 - sound: Merge midi_destroy() with midi_uninit()
Message-ID:  <69618ef3.31e43.305b701c@gitrepo.freebsd.org>
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The branch stable/15 has been updated by christos:

URL: https://cgit.FreeBSD.org/src/commit/?id=8c005f3da817456de3fc2f7d186b4898fcdff704

commit 8c005f3da817456de3fc2f7d186b4898fcdff704
Author:     Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2026-01-02 16:56:19 +0000
Commit:     Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2026-01-09 23:27:23 +0000

    sound: Merge midi_destroy() with midi_uninit()
    
    Also always call MPU_UNINIT(). It does not make sense not to if we are
    deallocating everything.
    
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 week
    Reviewed by:    markj
    Differential Revision:  https://reviews.freebsd.org/D54192
    
    (cherry picked from commit d912ea5879cd6b1042671ae3986d496c63be4d49)
---
 sys/dev/sound/midi/midi.c | 57 ++++++++++++-----------------------------------
 1 file changed, 14 insertions(+), 43 deletions(-)

diff --git a/sys/dev/sound/midi/midi.c b/sys/dev/sound/midi/midi.c
index 901e098d4883..2567f7412eb8 100644
--- a/sys/dev/sound/midi/midi.c
+++ b/sys/dev/sound/midi/midi.c
@@ -97,8 +97,6 @@ static struct cdevsw midi_cdevsw = {
 	.d_name = "rmidi",
 };
 
-static int      midi_destroy(struct snd_midi *, int);
-
 struct unrhdr *dev_unr = NULL;
 struct unrhdr *chn_unr = NULL;
 
@@ -186,21 +184,15 @@ err1:
 	return NULL;
 }
 
-/*
- * midi_uninit does not call MIDI_UNINIT, as since this is the implementors
- * entry point. midi_uninit if fact, does not send any methods. A call to
- * midi_uninit is a defacto promise that you won't manipulate ch anymore
- */
 int
 midi_uninit(struct snd_midi *m)
 {
-	int err;
-
-	err = EBUSY;
 	mtx_lock(&m->lock);
 	if (m->busy) {
-		if (!(m->rchan || m->wchan))
-			goto err;
+		if (!(m->rchan || m->wchan)) {
+			mtx_unlock(&m->lock);
+			return (EBUSY);
+		}
 
 		if (m->rchan) {
 			wakeup(&m->rchan);
@@ -211,14 +203,17 @@ midi_uninit(struct snd_midi *m)
 			m->wchan = 0;
 		}
 	}
-	err = midi_destroy(m, 0);
-	if (!err)
-		goto exit;
-
-err:
 	mtx_unlock(&m->lock);
-exit:
-	return err;
+	MPU_UNINIT(m, m->cookie);
+	destroy_dev(m->dev);
+	free_unr(dev_unr, m->unit);
+	free_unr(chn_unr, m->channel);
+	free(MIDIQ_BUF(m->inq), M_MIDI);
+	free(MIDIQ_BUF(m->outq), M_MIDI);
+	mtx_destroy(&m->lock);
+	free(m, M_MIDI);
+
+	return (0);
 }
 
 #ifdef notdef
@@ -601,30 +596,6 @@ midi_poll(struct cdev *i_dev, int events, struct thread *td)
 	return (revents);
 }
 
-/*
- * Single point of midi destructions.
- */
-static int
-midi_destroy(struct snd_midi *m, int midiuninit)
-{
-	mtx_assert(&m->lock, MA_OWNED);
-
-	MIDI_DEBUG(3, printf("midi_destroy\n"));
-	m->dev->si_drv1 = NULL;
-	mtx_unlock(&m->lock);	/* XXX */
-	destroy_dev(m->dev);
-	/* XXX */
-	if (midiuninit)
-		MPU_UNINIT(m, m->cookie);
-	free_unr(dev_unr, m->unit);
-	free_unr(chn_unr, m->channel);
-	free(MIDIQ_BUF(m->inq), M_MIDI);
-	free(MIDIQ_BUF(m->outq), M_MIDI);
-	mtx_destroy(&m->lock);
-	free(m, M_MIDI);
-	return 0;
-}
-
 static void
 midi_sysinit(void *data __unused)
 {
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