From 10af5c7320a6d80149b6d7213d91d0cd5ab18608 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Tue, 8 Sep 2015 10:52:57 +0900
Subject: [PATCH] [Modify] Add null check

---
 websocket-sharp/Ext.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/websocket-sharp/Ext.cs b/websocket-sharp/Ext.cs
index 055a7718..ce9a95a3 100644
--- a/websocket-sharp/Ext.cs
+++ b/websocket-sharp/Ext.cs
@@ -185,7 +185,8 @@ namespace WebSocketSharp
             return;
           }
 
-          completed (buffer);
+          if (completed != null)
+            completed (buffer);
         }
         catch (Exception ex) {
           if (error != null)