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af_unix: call proto_unregister() in the error path in af_unix_init()

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[ Upstream commit 73e341e028 ]

If register unix_stream_proto returns error, unix_dgram_proto needs
be unregistered.

Fixes: 94531cfcbe ("af_unix: Add unix_stream_proto for sockmap")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yang Yingliang 2022-12-08 23:01:58 +08:00 committed by Greg Kroah-Hartman
parent ee9d03bf89
commit d436bf39f4
1 changed files with 1 additions and 0 deletions
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1
net/unix/af_unix.c
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@ -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;
}