diff options
| -rw-r--r-- | src/vnet/tcp/tcp_input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c index 398bf1b76a7..5ec4099fa46 100644 --- a/src/vnet/tcp/tcp_input.c +++ b/src/vnet/tcp/tcp_input.c @@ -1187,7 +1187,7 @@ tcp_session_enqueue_data (tcp_connection_t * tc, vlib_buffer_t * b, } /* Update SACK list if need be */ - if (tcp_opts_sack_permitted (&tc->rcv_opts)) + if (tcp_opts_sack_permitted (&tc->rcv_opts) && vec_len (tc->snd_sacks)) { /* Remove SACK blocks that have been delivered */ tcp_update_sack_list (tc, tc->rcv_nxt, tc->rcv_nxt); |