From 466e7dcc914d59ce954d57f9bd6fab904789ca4b Mon Sep 17 00:00:00 2001
From: paweldomas <pawel.domas@jitsi.org>
Date: Wed, 12 Aug 2015 12:02:40 +0200
Subject: [PATCH] Fixes crash in LocalSSRCReplacement when null
 localDescription is passed.

---
 modules/xmpp/LocalSSRCReplacement.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/xmpp/LocalSSRCReplacement.js b/modules/xmpp/LocalSSRCReplacement.js
index 0ee0459b2..0b8e65cff 100644
--- a/modules/xmpp/LocalSSRCReplacement.js
+++ b/modules/xmpp/LocalSSRCReplacement.js
@@ -168,6 +168,11 @@ var LocalSSRCReplacement = {
         if (!isEnabled)
             return localDescription;
 
+        if (!localDescription) {
+            console.warn("localDescription is null or undefined");
+            return localDescription;
+        }
+
         // IF we have local video SSRC stored make sure it is replaced
         // with old SSRC
         if (localVideoSSRC) {