From: Francois-Xavier Le Bail <devel.fx.lebail@orange.fr>
Date: Mon, 10 Aug 2020 15:46:09 +0000 (+0200)
Subject: DNS: Use GET_U_1() to replace a direct dereference
X-Git-Tag: tcpdump-4.99-bp~272
X-Git-Url: https://git.tcpdump.org/tcpdump/commitdiff_plain/7b7877e2e94642e201029b6ad42302a20667d691

DNS: Use GET_U_1() to replace a direct dereference
---

diff --git a/print-domain.c b/print-domain.c
index 1486b5d1..4523d67f 100644
--- a/print-domain.c
+++ b/print-domain.c
@@ -928,7 +928,7 @@ domain_print(netdissect_options *ndo,
 		if (cp + 1 > ndo->ndo_snapend)
 			goto print;
 		if (type == T_OPT) {
-			rcode |= (*cp << 4);
+			rcode |= (GET_U_1(cp) << 4);
 			goto print;
 		}
 		cp += 4;