From 49780a99ea68f6a9399975fe7b78c87643631de9 Mon Sep 17 00:00:00 2001
From: Thomas Bernard <miniupnp@free.fr>
Date: Mon, 3 Feb 2014 10:42:38 +0100
Subject: [PATCH] miniupnpd/minissdp.c: check return value of
 AddMulticastMembershipIPv6()

---
 miniupnpd/minissdp.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/miniupnpd/minissdp.c b/miniupnpd/minissdp.c
index a67c94b..d593fe8 100644
--- a/miniupnpd/minissdp.c
+++ b/miniupnpd/minissdp.c
@@ -1,4 +1,4 @@
-/* $Id: minissdp.c,v 1.54 2013/06/15 12:50:10 nanard Exp $ */
+/* $Id: minissdp.c,v 1.56 2014/02/01 16:35:37 nanard Exp $ */
 /* MiniUPnP project
  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
  * (c) 2006-2013 Thomas Bernard
@@ -146,7 +146,11 @@ OpenAndConfSSDPReceiveSocket(int ipv6)
 #ifdef ENABLE_IPV6
 	if(ipv6)
 	{
-		AddMulticastMembershipIPv6(s);
+		if(AddMulticastMembershipIPv6(s) < 0)
+		{
+			syslog(LOG_WARNING,
+			        "Failed to add IPv6 multicast membership");
+		}
 	}
 	else
 #endif