From c16fac0500cbf01d190ec3973aaabf7c007c757c Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Tue, 11 Jun 2013 08:18:59 -0400
Subject: [PATCH] check timer for null before attempting to dispose

---
 .../IO/DirectoryWatchers.cs                                | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs b/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
index a45d5fed0..3568e446f 100644
--- a/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
+++ b/MediaBrowser.Server.Implementations/IO/DirectoryWatchers.cs
@@ -391,8 +391,11 @@ namespace MediaBrowser.Server.Implementations.IO
 
                 Logger.Info("Timer stopped.");
 
-                _updateTimer.Dispose();
-                _updateTimer = null;
+                if (_updateTimer != null)
+                {
+                    _updateTimer.Dispose();
+                    _updateTimer = null;
+                }
             }
 
             var paths = _affectedPaths.Keys.ToList();