icmp: clean up the extension code and comments.

[tcpdump] / print-juniper.c

diff --git a/print-juniper.c b/print-juniper.c
index a068a6bf392c0c36985cc63f759b4a64a199d3bd..13d8f837a10912511cfafc3abcacb526f55201d7 100644 (file)
--- a/print-juniper.c
+++ b/print-juniper.c
@@ -1331,7 +1331,8 @@ juniper_parse_header(netdissect_options *ndo,
             /* sanity checks */
             if (tlv_type == 0 || tlv_len == 0)
                 break;
-            ND_LCHECK_U(extension_length, tlv_len + JUNIPER_EXT_TLV_OVERHEAD);
+            ND_ICHECK_U(extension_length, <,
+                        tlv_len + JUNIPER_EXT_TLV_OVERHEAD);
 
             if (ndo->ndo_vflag > 1)
                 ND_PRINT("\n\t  %s Extension TLV #%u, length %u, value ",