X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fin2out.c;h=b6106505331753aa63142827cb4c19071d4dbb90;hb=8f39d55a298e08ac808da6988032f14d542627c6;hp=53aca8b57731037da6c85ff344f57aadd42ee665;hpb=ef91534e665cf343af2389df11d46559a1f83d78;p=vpp.git

diff --git a/src/plugins/nat/in2out.c b/src/plugins/nat/in2out.c
index 53aca8b5773..b6106505331 100755
--- a/src/plugins/nat/in2out.c
+++ b/src/plugins/nat/in2out.c
@@ -632,9 +632,11 @@ icmp_in2out (snat_main_t * sm,
 
   if (PREDICT_TRUE (!ip4_is_fragment (ip0)))
     {
-      sum0 = ip_incremental_checksum (0, icmp0,
-				      ntohs (ip0->length) -
-				      ip4_header_bytes (ip0));
+      sum0 = ip_incremental_checksum_buffer (sm->vlib_main, b0, (u8 *) icmp0 -
+					     (u8 *)
+					     vlib_buffer_get_current (b0),
+					     ntohs (ip0->length) -
+					     ip4_header_bytes (ip0), 0);
       checksum0 = ~ip_csum_fold (sum0);
       if (PREDICT_FALSE (checksum0 != 0 && checksum0 != 0xffff))
 	{