net: sctp: find the correct highest_new_tsn in sack

[deliverable/linux.git] / net / sctp / outqueue.c

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 94df7587786992fa0a6341caaed284beb1df42e0..abb6db008df16b60d8c2feb6f3bc43e995ec1d5f 100644 (file)
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1391,7 +1391,8 @@ static void sctp_check_transmitted(struct sctp_outq *q,
                         */
                        if (!tchunk->tsn_gap_acked) {
                                tchunk->tsn_gap_acked = 1;
-                               *highest_new_tsn_in_sack = tsn;
+                               if (TSN_lt(*highest_new_tsn_in_sack, tsn))
+                                       *highest_new_tsn_in_sack = tsn;
                                bytes_acked += sctp_data_size(tchunk);
                                if (!tchunk->transport)
                                        migrate_bytes += sctp_data_size(tchunk);