session: avoid trying to send incomplete dgram

Type: fix

Signed-off-by: Florin Coras <fcoras@cisco.com>
Signed-off-by: Steven Luong <sluong@cisco.com>
Change-Id: Ibebe9e4ab7331c3ae66c9502e910368acaba51ec

diff --git a/src/vnet/session/session_node.c b/src/vnet/session/session_node.c
index f819ee6..fd57f08 100644 (file)
--- a/src/vnet/session/session_node.c
+++ b/src/vnet/session/session_node.c
@@ -1253,8 +1253,9 @@ session_tx_set_dequeue_params (vlib_main_t * vm, session_tx_context_t * ctx,
                                 (u8 *) & hdr);
                  ASSERT (hdr.data_length > hdr.data_offset);
                  dgram_len = hdr.data_length - hdr.data_offset;
-                 if (len + dgram_len > ctx->max_dequeue
-                     || first_dgram_len != dgram_len)
+                 if (offset + sizeof (hdr) + hdr.data_length >
+                       ctx->max_dequeue ||
+                     first_dgram_len != dgram_len)
                    break;
                  len += dgram_len;
                  offset += sizeof (hdr) + hdr.data_length;