gre: add support for MikroTik Ethernet-over-IP hack.

[tcpdump] / print-ap1394.c

diff --git a/print-ap1394.c b/print-ap1394.c
index 04619159a03ddb950d8345e5fb8b735c418a472f..b1988f270650e0126c93de5e0e822c538053fb5e 100644 (file)
--- a/print-ap1394.c
+++ b/print-ap1394.c
@@ -27,6 +27,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
@@ -95,10 +96,7 @@ ap1394_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_ch
        struct lladdr_info src, dst;
 
        ndo->ndo_protocol = "ap1394";
-       if (caplen < FIREWIRE_HDRLEN) {
-               ndo->ndo_ll_hdr_len += caplen;
-               nd_trunc_longjmp(ndo);
-       }
+       ND_TCHECK_LEN(p, FIREWIRE_HDRLEN);
        ndo->ndo_ll_hdr_len += FIREWIRE_HDRLEN;
 
        if (ndo->ndo_eflag)