Make tcp/udp/icmp compute checksum safer for buffer-chain case

[vpp.git] / src / vnet / session / application_interface.h

diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index 56d034e..8323e72 100644 (file)
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -475,9 +475,10 @@ app_send_dgram_raw (svm_fifo_t * f, app_session_transport_t * at,
   rv = svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
   ASSERT (rv == sizeof (hdr));
 
-  if ((rv = svm_fifo_enqueue_nowait (f, actual_write, data)) > 0)
+  rv = svm_fifo_enqueue_nowait (f, actual_write, data);
+  if (do_evt)
     {
-      if (do_evt && svm_fifo_set_event (f))
+      if (rv > 0 && svm_fifo_set_event (f))
        app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
                                noblock);
     }
@@ -499,9 +500,10 @@ app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data,
 {
   int rv;
 
-  if ((rv = svm_fifo_enqueue_nowait (f, len, data)) > 0)
+  rv = svm_fifo_enqueue_nowait (f, len, data);
+  if (do_evt)
     {
-      if (do_evt && svm_fifo_set_event (f))
+      if (rv > 0 && svm_fifo_set_event (f))
        app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
                                noblock);
     }