3 files changed, 2 insertions, 14 deletions

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index c9f20e28521b..23e5e97aa617 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -423,16 +423,6 @@ void sctp_retransmit_mark(struct sctp_outq *q,
                 if ((reason == SCTP_RTXR_FAST_RTX  &&
                             (chunk->fast_retransmit == SCTP_NEED_FRTX)) ||
                     (reason != SCTP_RTXR_FAST_RTX  && !chunk->tsn_gap_acked)) {
-                        /* If this chunk was sent less then 1 rto ago, do not
-                         * retransmit this chunk, but give the peer time
-                         * to acknowlege it.  Do this only when
-                         * retransmitting due to T3 timeout.
-                         */
-                        if (reason == SCTP_RTXR_T3_RTX &&
-                            time_before(jiffies, chunk->sent_at +
-                                                 transport->last_rto))
-                                continue;
-
                         /* RFC 2960 6.2.1 Processing a Received SACK
                          *
                          * C) Any time a DATA chunk is marked for
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8674d4919556..efa516b47e81 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -480,7 +480,6 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
          * that indicates that we have an outstanding HB.
          */
         if (!is_hb || transport->hb_sent) {
-                transport->last_rto = transport->rto;
                 transport->rto = min((transport->rto * 2), transport->asoc->rto_max);
         }
 }
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index 3b141bb32faf..37a1184d789f 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -74,7 +74,7 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
          * given destination transport address, set RTO to the protocol
          * parameter 'RTO.Initial'.
          */
-        peer->last_rto = peer->rto = msecs_to_jiffies(sctp_rto_initial);
+        peer->rto = msecs_to_jiffies(sctp_rto_initial);
         peer->rtt = 0;
         peer->rttvar = 0;
         peer->srtt = 0;
@@ -386,7 +386,6 @@ void sctp_transport_update_rto(struct sctp_transport *tp, __u32 rtt)
                 tp->rto = tp->asoc->rto_max;
 
         tp->rtt = rtt;
-        tp->last_rto = tp->rto;
 
         /* Reset rto_pending so that a new RTT measurement is started when a
          * new data chunk is sent.
@@ -602,7 +601,7 @@ void sctp_transport_reset(struct sctp_transport *t)
          */
         t->cwnd = min(4*asoc->pathmtu, max_t(__u32, 2*asoc->pathmtu, 4380));
         t->ssthresh = asoc->peer.i.a_rwnd;
-        t->last_rto = t->rto = asoc->rto_initial;
+        t->rto = asoc->rto_initial;
         t->rtt = 0;
         t->srtt = 0;
         t->rttvar = 0;