From 261a6af60a4f2bc46d52da9e24ee5af9bdfb4920 Mon Sep 17 00:00:00 2001
From: Shannon Deminick <sdeminick@gmail.com>
Date: Thu, 4 Oct 2012 21:06:32 +0500
Subject: [PATCH] Fixes issue when xml file is corrupt and no doc type is
 registered, the mvc controller factory throws an exception.

---
 src/Umbraco.Web/Mvc/RenderControllerFactory.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Umbraco.Web/Mvc/RenderControllerFactory.cs b/src/Umbraco.Web/Mvc/RenderControllerFactory.cs
index 2934bc7b56..56270ea36e 100644
--- a/src/Umbraco.Web/Mvc/RenderControllerFactory.cs
+++ b/src/Umbraco.Web/Mvc/RenderControllerFactory.cs
@@ -2,6 +2,7 @@ using System;
 using System.Web.Mvc;
 using System.Web.Routing;
 using System.Web.SessionState;
+using Umbraco.Core;
 
 namespace Umbraco.Web.Mvc
 {
@@ -97,6 +98,10 @@ namespace Umbraco.Web.Mvc
 
 			public new Type GetControllerType(RequestContext requestContext, string controllerName)
 			{
+				if (controllerName.IsNullOrWhiteSpace())
+				{
+					return null;
+				}
 				return base.GetControllerType(requestContext, controllerName);
 			}
 		}