sctp: remove 'resent' bit from the chunk

The 'resent' bit is used to make sure that we don't update
rto estimate based on retransmitted chunks.  However, we already
have the 'rto_pending' bit that we test when need to update rto,
so 'resent' bit is just extra.  Additionally, we currently have
a bug in that we always set a 'resent' bit and thus rto estimate
is only updated by Heartbeats.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

1 files changed, 0 insertions, 1 deletions

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index a4fe7dee76e8..4e551ba8998c 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1405,7 +1405,6 @@ static void sctp_check_transmitted(struct sctp_outq *q,
                                  * instance).
                                  */
                                 if (!tchunk->tsn_gap_acked &&
-                                    !tchunk->resent &&
                                     tchunk->rtt_in_progress) {
                                         tchunk->rtt_in_progress = 0;
                                         rtt = jiffies - tchunk->sent_at;