Commit 62a9b19d authored by Matthieu Baerts (NGI0)'s avatar Matthieu Baerts (NGI0) Committed by Jakub Kicinski
Browse files

mptcp: pm: ADD_ADDR rtx: return early if no retrans 



No need to iterate over all subflows if there is no retransmission
needed.

Exit early in this case then.

Fixes: 30549eeb ("mptcp: make ADD_ADDR retransmission timeout adaptive")
Cc: stable@vger.kernel.org
Reviewed-by: default avatarMat Martineau <martineau@kernel.org>
Signed-off-by: default avatarMatthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20260505-net-mptcp-pm-fixes-7-1-rc3-v1-8-fca8091060a4@kernel.org


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent c6d395e2

net/mptcp/pm.c

+3 −0
Original line number Diff line number Diff line
@@ -308,6 +308,9 @@ static unsigned int mptcp_adjust_add_addr_timeout(struct mptcp_sock *msk) 
	struct mptcp_subflow_context *subflow;

	unsigned int max = 0, max_stale = 0;



	if (!rto)

		return 0;



	mptcp_for_each_subflow(msk, subflow) {

		struct sock *ssk = mptcp_subflow_tcp_sock(subflow);

		struct inet_connection_sock *icsk = inet_csk(ssk);