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mptcp: more accurate NL event generation

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Currently the mptcp code generate a "new listener" event even
if the actual listen() syscall fails. Address the issue moving
the event generation call under the successful branch.

Cc: stable@vger.kernel.org
Fixes: f8c9dfbd87 ("mptcp: add pm listener events")
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <martineau@kernel.org>
Link: https://lore.kernel.org/r/20230725-send-net-20230725-v1-2-6f60fe7137a9@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Paolo Abeni 2023-07-25 11:34:56 -07:00 committed by Jakub Kicinski
parent 016e7ba47f
commit 21d9b73a7d
1 changed files with 1 additions and 2 deletions
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3
net/mptcp/protocol.c
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@ -3723,10 +3723,9 @@ static int mptcp_listen(struct socket *sock, int backlog)
if (!err) { if (!err) {
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1); sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
mptcp_copy_inaddrs(sk, ssock->sk); mptcp_copy_inaddrs(sk, ssock->sk);
mptcp_event_pm_listener(ssock->sk, MPTCP_EVENT_LISTENER_CREATED);
} }
mptcp_event_pm_listener(ssock->sk, MPTCP_EVENT_LISTENER_CREATED);
unlock: unlock:
release_sock(sk); release_sock(sk);
return err; return err;