tcp: handle disconnects in rcv-process

Change-Id: I005f96480e81f3e750c18261e78d0e401da7528e
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/tcp/tcp_input.c b/src/vnet/tcp/tcp_input.c
index 3d40c06..1420e32 100644
--- a/src/vnet/tcp/tcp_input.c
+++ b/src/vnet/tcp/tcp_input.c
@@ -3008,6 +3008,7 @@
 					      thread_index);
   tcp_inc_counter (rcv_process, TCP_ERROR_MSG_QUEUE_FULL, errors);
   tcp_handle_postponed_dequeues (wrk);
+  tcp_handle_disconnects (wrk);
   vlib_buffer_free (vm, first_buffer, from_frame->n_vectors);
 
   return from_frame->n_vectors;