tcp: fix tcp_do_fastretransmits failure.
Type: fix
vpp would fail 'tcp_in_fastrecovery (tc)' if tcp_connection_get returns 0.
@@ -1336,6 +1336,8 @@ tcp_do_fastretransmits (tcp_worker_ctx_t * wrk)
for (i = 0; i < vec_len (ongoing_fast_rxt); i++)
{
tc = tcp_connection_get (ongoing_fast_rxt[i], thread_index);
+ if (!tc)
+ continue;
if (!tcp_in_fastrecovery (tc))
{
tc->flags &= ~TCP_CONN_FRXT_PENDING;
