This is a note to let you know that I've just added the patch titled
af_unix: call proto_unregister() in the error path in af_unix_init()
to the 5.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
af_unix-call-proto_unregister-in-the-error-path-in-a.patch
and it can be found in the queue-5.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit cfb9104394f5d2525237d90b2c7a37aad83af3d0
Author: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Date: Thu Dec 8 23:01:58 2022 +0800
af_unix: call proto_unregister() in the error path in af_unix_init()
[ Upstream commit 73e341e0281a35274629e9be27eae2f9b1b492bf ]
If register unix_stream_proto returns error, unix_dgram_proto needs
be unregistered.
Fixes: 94531cfcbe79 ("af_unix: Add unix_stream_proto for sockmap")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Reviewed-by: Simon Horman <simon.horman@xxxxxxxxxxxx>
Reviewed-by: Kuniyuki Iwashima <kuniyu@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index a579e28bd213..545823c1d5ed 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -3401,6 +3401,7 @@ static int __init af_unix_init(void)
rc = proto_register(&unix_stream_proto, 1);
if (rc != 0) {
pr_crit("%s: Cannot create unix_sock SLAB cache!\n", __func__);
+ proto_unregister(&unix_dgram_proto);
goto out;
}
