X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fout2in.c;h=67d831a850c047961a5e8d36effea68b8574f077;hb=8f39d55a298e08ac808da6988032f14d542627c6;hp=985333fc765300c2e51a1ba4922252b351a09eb0;hpb=ef91534e665cf343af2389df11d46559a1f83d78;p=vpp.git

diff --git a/src/plugins/nat/out2in.c b/src/plugins/nat/out2in.c
index 985333fc765..67d831a850c 100755
--- a/src/plugins/nat/out2in.c
+++ b/src/plugins/nat/out2in.c
@@ -508,9 +508,11 @@ icmp_out2in (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 (checksum0 != 0 && checksum0 != 0xffff)
 	{