X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/5c6c98f2c58103f20f5cbc933bdf0a1406366b43..be6722e465c65e3e5f3fc97c1be54a74ca2a609e:/print-loopback.c

diff --git a/print-loopback.c b/print-loopback.c
index e9d0b1a2..b606de02 100644
--- a/print-loopback.c
+++ b/print-loopback.c
@@ -29,7 +29,8 @@
 
 /*
  * originally defined as the Ethernet Configuration Testing Protocol.
- * specification: https://www.mit.edu/people/jhawk/ctp.pdf
+ * specification:
+ * https://web.archive.org/web/20060919181108/http://www.mit.edu/people/jhawk/ctp.pdf
  */
 
 #ifdef HAVE_CONFIG_H
@@ -38,6 +39,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "addrtoname.h"
@@ -79,12 +81,12 @@ loopback_message_print(netdissect_options *ndo,
 			ND_TCHECK_LEN(cp, len);
 			break;
 		case LOOPBACK_FWDDATA:
-			if (len < MAC_ADDR_LEN)
+			if (len < MAC48_LEN)
 				goto invalid;
 			/* forwarding address */
-			ND_PRINT(", forwarding address %s", GET_ETHERADDR_STRING(cp));
-			cp += MAC_ADDR_LEN;
-			len -= MAC_ADDR_LEN;
+			ND_PRINT(", forwarding address %s", GET_MAC48_STRING(cp));
+			cp += MAC48_LEN;
+			len -= MAC48_LEN;
 			/* data */
 			ND_PRINT(", data (%u octets)", len);
 			ND_TCHECK_LEN(cp, len);
@@ -98,9 +100,6 @@ loopback_message_print(netdissect_options *ndo,
 invalid:
 	nd_print_invalid(ndo);
 	ND_TCHECK_LEN(cp, len);
-	return;
-trunc:
-	nd_trunc(ndo);
 }
 
 void
@@ -133,8 +132,5 @@ loopback_print(netdissect_options *ndo,
 invalid:
 	nd_print_invalid(ndo);
 	ND_TCHECK_LEN(cp, len);
-	return;
-trunc:
-	nd_trunc(ndo);
 }