From c20128b80f1539da131e3dfe20970c587073f943 Mon Sep 17 00:00:00 2001
From: Nick O'Leary <nick.oleary@gmail.com>
Date: Mon, 21 Apr 2014 21:14:03 +0100
Subject: [PATCH] MQTT Client - missing null check

---
 nodes/core/io/lib/mqttConnectionPool.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nodes/core/io/lib/mqttConnectionPool.js b/nodes/core/io/lib/mqttConnectionPool.js
index b43498eed..ebd3dc672 100644
--- a/nodes/core/io/lib/mqttConnectionPool.js
+++ b/nodes/core/io/lib/mqttConnectionPool.js
@@ -74,7 +74,7 @@ module.exports = {
                         client.once(a,b);
                     },
                     connect: function() {
-                        if (!client.isConnected() && !connecting) {
+                        if (client && !client.isConnected() && !connecting) {
                             connecting = true;
                             client.connect(options);
                         }