From e3f491fde52c3c7f31b0137125cb0ab1d5721f87 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@samba.org>
Date: Thu, 17 May 2018 11:53:18 +0200
Subject: [PATCH] s3:utils: Do not segfault on error in DoDNSUpdate()

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13440

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

(cherry picked from commit cdd98aa1e2116fb97e16718d115ee883fe1bc8ba)
---
 source3/utils/net_dns.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source3/utils/net_dns.c b/source3/utils/net_dns.c
index d972a5d4bad..9ee856c0059 100644
--- a/source3/utils/net_dns.c
+++ b/source3/utils/net_dns.c
@@ -75,6 +75,7 @@ DNS_ERROR DoDNSUpdate(char *pszServerName,
 
 		if (!ERR_DNS_IS_OK(err)) {
 			DEBUG(3,("DoDNSUpdate: failed to probe DNS\n"));
+			goto error;
 		}
 
 		if ((dns_response_code(resp->flags) == DNS_NO_ERROR) &&
-- 
2.16.3