From: Steven Barth <steven@midlink.org>
Date: Mon, 24 Feb 2014 13:36:28 +0000 (+0100)
Subject: Don't announce :: as DNS
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=d21af09a10de15f340b5bbd05ddf0603dae0584e;p=oweals%2Fodhcpd.git

Don't announce :: as DNS
---

diff --git a/src/router.c b/src/router.c
index ddec21e..3ba552d 100644
--- a/src/router.c
+++ b/src/router.c
@@ -276,7 +276,7 @@ static void send_router_advert(struct uloop_timeout *event)
 	bool have_public = false;
 	size_t cnt = 0;
 
-	struct in6_addr dns_pref, *dns_addr = &dns_pref;
+	struct in6_addr dns_pref = IN6ADDR_ANY_INIT, *dns_addr = &dns_pref;
 	uint32_t dns_time = 0;
 	size_t dns_cnt = 1;
 
@@ -344,7 +344,7 @@ static void send_router_advert(struct uloop_timeout *event)
 		dns_time = 2 * MaxRtrAdvInterval;
 	}
 
-	if (!dns_addr)
+	if (!dns_addr || IN6_IS_ADDR_UNSPECIFIED(dns_addr))
 		dns_cnt = 0;
 
 	struct {