From 21d9b73a7d5241905367098d260a3c68b811da32 Mon Sep 17 00:00:00 2001
From: Paolo Abeni <pabeni@redhat.com>
Date: Tue, 25 Jul 2023 11:34:56 -0700
Subject: [PATCH] mptcp: more accurate NL event generation
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: f8c9dfbd875b ("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>
---
net/mptcp/protocol.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 3613489eb6e3b..3317d1cca1568 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -3723,10 +3723,9 @@ static int mptcp_listen(struct socket *sock, int backlog)
if (!err) {
sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
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:
release_sock(sk);
return err;
--
2.30.2