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| author | Matthieu Baerts (NGI0) <matttbe@kernel.org> | 2026-05-05 18:00:56 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-05-07 04:16:45 +0300 |
| commit | 62a9b19dce77e72426f049fb99b9d1d032b9a8ea (patch) | |
| tree | 2451d51f9f35a6715bb2ffb6bf210d6b84d1d2f9 | |
| parent | c6d395e2de1306b5fef0344a3c3835fbbfaa18be (diff) | |
| download | linux-62a9b19dce77e72426f049fb99b9d1d032b9a8ea.tar.xz | |
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: 30549eebc4d8 ("mptcp: make ADD_ADDR retransmission timeout adaptive")
Cc: stable@vger.kernel.org
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu 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: Jakub Kicinski <kuba@kernel.org>
| -rw-r--r-- | net/mptcp/pm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index 8a5dba7fe66e..4a6e5ab30d80 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -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); |