From: Paolo Abeni <pabeni@xxxxxxxxxx> [ Upstream commit 0e203c324752e13d22624ab7ffafe934fa06ab50 ] Similar to the previous patch, for priority changes requested by the local PM. Reported-and-suggested-by: Davide Caratti <dcaratti@xxxxxxxxxx> Fixes: 067065422fcd ("mptcp: add the outgoing MP_PRIO support") Signed-off-by: Paolo Abeni <pabeni@xxxxxxxxxx> Signed-off-by: Mat Martineau <mathew.j.martineau@xxxxxxxxxxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- net/mptcp/pm_netlink.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c index 4b5d795383cd..3bc778c2d0c2 100644 --- a/net/mptcp/pm_netlink.c +++ b/net/mptcp/pm_netlink.c @@ -745,6 +745,8 @@ static int mptcp_pm_nl_mp_prio_send_ack(struct mptcp_sock *msk, if (!addresses_equal(&local, addr, addr->port)) continue; + if (subflow->backup != bkup) + msk->last_snd = NULL; subflow->backup = bkup; subflow->send_mp_prio = 1; subflow->request_bkup = bkup; -- 2.35.1