From 46ce83799ee2e00281c49c2374bb1d86f9196724 Mon Sep 17 00:00:00 2001
From: Ghislain MARY <ghislain.mary@belledonne-communications.com>
Date: Thu, 17 Jan 2013 11:32:00 +0100
Subject: [PATCH] Add check to prevent crash.

---
 coreapi/TunnelManager.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/coreapi/TunnelManager.cc b/coreapi/TunnelManager.cc
index 8ce6da7e5..5b1b6dddb 100644
--- a/coreapi/TunnelManager.cc
+++ b/coreapi/TunnelManager.cc
@@ -107,6 +107,10 @@ void TunnelManager::addServer(const char *ip, int port,unsigned int udpMirrorPor
 }
 
 void TunnelManager::addServer(const char *ip, int port) {
+	if (ip == NULL) {
+		ip = "";
+		ms_warning("Adding tunnel server with empty ip, it will not work!");
+	}
 	mServerAddrs.push_back(ServerAddr(ip,port));
 	if (mTunnelClient) mTunnelClient->addServer(ip,port);
 }