From 8753ceb72ef459f7fc3410c994736dddb9290254 Mon Sep 17 00:00:00 2001
From: sta <sta.blockhead@gmail.com>
Date: Thu, 1 Sep 2016 16:09:40 +0900
Subject: [PATCH] [Modify] Replace it

---
 websocket-sharp/Server/WebSocketServer.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/websocket-sharp/Server/WebSocketServer.cs b/websocket-sharp/Server/WebSocketServer.cs
index 4e95f9a2..8f516aac 100644
--- a/websocket-sharp/Server/WebSocketServer.cs
+++ b/websocket-sharp/Server/WebSocketServer.cs
@@ -821,9 +821,14 @@ namespace WebSocketSharp.Server
     /// </summary>
     public void Stop ()
     {
+      string msg;
+      if (!checkIfAvailable (false, true, false, false, out msg)) {
+        _logger.Error (msg);
+        return;
+      }
+
       lock (_sync) {
-        var msg = _state.CheckIfAvailable (false, true, false);
-        if (msg != null) {
+        if (!checkIfAvailable (false, true, false, false, out msg)) {
           _logger.Error (msg);
           return;
         }