VPP-1283: IPv6 PMTU missing MTU value in ICMP6 message.

[vpp.git] / src / vnet / gre / gre.c

diff --git a/src/vnet/gre/gre.c b/src/vnet/gre/gre.c
index 0b8d2cc..e82befe 100644 (file)
--- a/src/vnet/gre/gre.c
+++ b/src/vnet/gre/gre.c
@@ -292,8 +292,8 @@ gre6_fixup (vlib_main_t * vm,
   /* Fixup the payload length field in the GRE tunnel encap that was applied
    * at the midchain node */
   ip0->payload_length =
-    clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0))
-    - sizeof (*ip0);
+    clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b0) -
+                         sizeof (*ip0));
 }
 
 void