X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/fcc82f451d3e51fdf636abbf927edb287bada0e0..47fc89d711eec0a073d9b3b293a1af901b5bd791:/print-mobile.c

diff --git a/print-mobile.c b/print-mobile.c
index b9f7e7a1..530f26ef 100644
--- a/print-mobile.c
+++ b/print-mobile.c
@@ -40,11 +40,6 @@
 #include "config.h"
 #endif
 
-#ifndef lint
-static const char rcsid[] =
-     "@(#) $Header: /tcpdump/master/tcpdump/print-mobile.c,v 1.12 2002-12-11 07:14:05 guy Exp $";
-#endif
-
 #include <tcpdump-stdinc.h>
 
 #include <stdio.h>
@@ -72,12 +67,13 @@ mobile_print(const u_char *bp, u_int length)
 {
 	const u_char *cp = bp +8 ;
 	const struct mobile_ip *mob;
+	struct cksum_vec vec[1];
 	u_short proto,crc;
 	u_char osp =0;			/* old source address present */
 
 	mob = (const struct mobile_ip *)bp;
 
-	if (length < MOBILE_SIZE) {
+	if (length < MOBILE_SIZE || !TTEST(*mob)) {
 		fputs("[|mobile]", stdout);
 		return;
 	}
@@ -101,7 +97,9 @@ mobile_print(const u_char *bp, u_int length)
 		(void)printf("> %s ",ipaddr_string(&mob->odst));
 		(void)printf("(oproto=%d)",proto>>8);
 	}
-	if (in_cksum((u_short *)mob, osp ? 12 : 8, 0)!=0) {
+	vec[0].ptr = (const u_int8_t *)(void *)mob;
+	vec[0].len = osp ? 12 : 8;
+	if (in_cksum(vec, 1)!=0) {
 		(void)printf(" (bad checksum %d)",crc);
 	}