http_server_rx_callback

http_server_rx_callback must return -1,
if session_rx_request fails.

Change-Id: I08e48ea7560dee301958e0babe023bb739b9342c
Signed-off-by: JingLiuZTE <liu.jing5@zte.com.cn>
diff --git a/src/vnet/tcp/builtin_http_server.c b/src/vnet/tcp/builtin_http_server.c
index 143eef6..70daf18 100644
--- a/src/vnet/tcp/builtin_http_server.c
+++ b/src/vnet/tcp/builtin_http_server.c
@@ -355,8 +355,11 @@
 {
   http_server_main_t *hsm = &http_server_main;
   builtin_http_server_args *args;
+  int rv;
 
-  session_rx_request (s);
+  rv = session_rx_request (s);
+  if (rv)
+    return rv;
 
   /* send the command to a new/recycled vlib process */
   args = clib_mem_alloc (sizeof (*args));
@@ -385,8 +388,11 @@
   http_server_main_t *hsm = &http_server_main;
   u8 *request = 0;
   int i;
+  int rv;
 
-  session_rx_request (s);
+  rv = session_rx_request (s);
+  if (rv)
+    return rv;
 
   request = hsm->rx_buf[s->thread_index];
   if (vec_len (request) < 7)