X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ee68aa36460d7efeca48747f33b7f2adc0900bfb..c2d6a5db5b15f08b9e858e3fcf1e6847aaebe26b:/print-vtp.c

diff --git a/print-vtp.c b/print-vtp.c
index e2b1f9ff..16eea5c9 100644
--- a/print-vtp.c
+++ b/print-vtp.c
@@ -242,7 +242,7 @@ vtp_print(netdissect_options *ndo,
 	 */
 
 	tptr += 4;
-	while (tptr < (pptr+length)) {
+	while ((unsigned)(tptr - pptr) < length) {
 
 	    ND_TCHECK_1(tptr);
 	    len = GET_U_1(tptr);