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    Subject[PATCH 4.9 098/103] sctp: fix the transport error_count check
    Date
    From: Xin Long <lucien.xin@gmail.com>

    [ Upstream commit a1794de8b92ea6bc2037f445b296814ac826693e ]

    As the annotation says in sctp_do_8_2_transport_strike():

    "If the transport error count is greater than the pf_retrans
    threshold, and less than pathmaxrtx ..."

    It should be transport->error_count checked with pathmaxrxt,
    instead of asoc->pf_retrans.

    Fixes: 5aa93bcf66f4 ("sctp: Implement quick failover draft from tsvwg")
    Signed-off-by: Xin Long <lucien.xin@gmail.com>
    Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
    Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
    ---
    net/sctp/sm_sideeffect.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    --- a/net/sctp/sm_sideeffect.c
    +++ b/net/sctp/sm_sideeffect.c
    @@ -508,7 +508,7 @@ static void sctp_do_8_2_transport_strike
    */
    if (net->sctp.pf_enable &&
    (transport->state == SCTP_ACTIVE) &&
    - (asoc->pf_retrans < transport->pathmaxrxt) &&
    + (transport->error_count < transport->pathmaxrxt) &&
    (transport->error_count > asoc->pf_retrans)) {

    sctp_assoc_control_transport(asoc, transport,

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