sctp: use transport pf_retrans in sctp_do_8_2_transport_strike

BugLink: https://bugs.launchpad.net/bugs/1845266
[ Upstream commit 10eb56c582c557c629271f1ee31e15e7a9b2558b ]

Transport should use its own pf_retrans to do the error_count
check, instead of asoc's. Otherwise, it's meaningless to make
pf_retrans per transport.

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>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 749154db77db8858916cfba31dc71405cabb44f5..b88bc576562c78f0da4f2a8a4b66187e039f4fbc 100644 (file)
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -562,7 +562,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_cmd_seq *commands,
        if (net->sctp.pf_enable &&
           (transport->state == SCTP_ACTIVE) &&
           (transport->error_count < transport->pathmaxrxt) &&
-          (transport->error_count > asoc->pf_retrans)) {
+          (transport->error_count > transport->pf_retrans)) {
 
                sctp_assoc_control_transport(asoc, transport,
                                             SCTP_TRANSPORT_PF,