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Date:      Tue, 21 May 2024 17:53:57 GMT
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: 45feaa73c680 - stable/14 - sound: Correctly check nvlist_unpack() error
Message-ID:  <202405211753.44LHrvqm021749@gitrepo.freebsd.org>

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The branch stable/14 has been updated by christos:

URL: https://cgit.FreeBSD.org/src/commit/?id=45feaa73c68011bbba647d1eb6f86a166a0453e9

commit 45feaa73c68011bbba647d1eb6f86a166a0453e9
Author:     Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2024-05-20 14:18:33 +0000
Commit:     Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2024-05-21 17:45:55 +0000

    sound: Correctly check nvlist_unpack() error
    
    The current check is never false and if nvlist_unpack() fails, we might
    panic later down the road.
    
    PR:             266144
    Sponsored by:   The FreeBSD Foundation
    MFC after:      1 day
    Reviewed by:    dev_submerge.ch, emaste
    Differential Revision:  https://reviews.freebsd.org/D45237
    
    (cherry picked from commit 64f4e2db6d19d8ab520903a197fcaa8cc7ab9f9a)
---
 sys/dev/sound/pcm/sndstat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/dev/sound/pcm/sndstat.c b/sys/dev/sound/pcm/sndstat.c
index f310d8f3bff3..bbcb2fda7c29 100644
--- a/sys/dev/sound/pcm/sndstat.c
+++ b/sys/dev/sound/pcm/sndstat.c
@@ -705,7 +705,7 @@ sndstat_unpack_user_nvlbuf(const void *unvlbuf, size_t nbytes, nvlist_t **nvl)
 	}
 	*nvl = nvlist_unpack(nvlbuf, nbytes, 0);
 	free(nvlbuf, M_DEVBUF);
-	if (nvl == NULL) {
+	if (*nvl == NULL) {
 		return (EINVAL);
 	}
 



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