X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fip%2Fip4_format.c;h=c6639b2071640c0e6ab9cd881f6a122a2bb8d465;hb=f0fc65a4b949a6e5a44250d405ce219b8e547859;hp=786a01d396bd51c592d0b0a5cbf1f3e16c376284;hpb=9534696b4637185c9f296375e63c50d8976d153d;p=vpp.git

diff --git a/src/vnet/ip/ip4_format.c b/src/vnet/ip/ip4_format.c
index 786a01d396b..c6639b20716 100644
--- a/src/vnet/ip/ip4_format.c
+++ b/src/vnet/ip/ip4_format.c
@@ -150,9 +150,10 @@ format_ip4_header (u8 * s, va_list * args)
 
   /* Check and report invalid checksums. */
   {
-    u16 c = ip4_header_checksum (ip);
-    if (c != ip->checksum)
-      s = format (s, " (should be 0x%04x)", clib_net_to_host_u16 (c));
+    if (!ip4_header_checksum_is_valid (ip))
+      s =
+	format (s, " (should be 0x%04x)",
+		clib_net_to_host_u16 (ip4_header_checksum (ip)));
   }
 
   s = format (s, " dscp %U ecn %U",