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    Subject[PATCH 5.18 299/879] mptcp: reset the packet scheduler on PRIO change
    Date
    From: Paolo Abeni <pabeni@redhat.com>

    [ Upstream commit 0e203c324752e13d22624ab7ffafe934fa06ab50 ]

    Similar to the previous patch, for priority changes
    requested by the local PM.

    Reported-and-suggested-by: Davide Caratti <dcaratti@redhat.com>
    Fixes: 067065422fcd ("mptcp: add the outgoing MP_PRIO support")
    Signed-off-by: Paolo Abeni <pabeni@redhat.com>
    Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    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 b5e8de6f7507..e3dcc5501579 100644
    --- a/net/mptcp/pm_netlink.c
    +++ b/net/mptcp/pm_netlink.c
    @@ -727,6 +727,8 @@ 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


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