From cb6350728dd64a7d0738da69598ef59e7c35c394 Mon Sep 17 00:00:00 2001
From: Luke Pulverenti <luke.pulverenti@gmail.com>
Date: Fri, 20 Dec 2013 15:17:54 -0500
Subject: [PATCH] Add null checks to EnsureDates

---
 .../Resolvers/EntityResolutionHelper.cs             | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/MediaBrowser.Controller/Resolvers/EntityResolutionHelper.cs b/MediaBrowser.Controller/Resolvers/EntityResolutionHelper.cs
index 7d9739448a..3cd38da45f 100644
--- a/MediaBrowser.Controller/Resolvers/EntityResolutionHelper.cs
+++ b/MediaBrowser.Controller/Resolvers/EntityResolutionHelper.cs
@@ -133,6 +133,19 @@ namespace MediaBrowser.Controller.Resolvers
         /// <param name="includeCreationTime">if set to <c>true</c> [include creation time].</param>
         public static void EnsureDates(IFileSystem fileSystem, BaseItem item, ItemResolveArgs args, bool includeCreationTime)
         {
+            if (fileSystem == null)
+            {
+                throw new ArgumentNullException("fileSystem");
+            }
+            if (item == null)
+            {
+                throw new ArgumentNullException("item");
+            }
+            if (args == null)
+            {
+                throw new ArgumentNullException("args");
+            }
+
             // See if a different path came out of the resolver than what went in
             if (!string.Equals(args.Path, item.Path, StringComparison.OrdinalIgnoreCase))
             {