From 6ac9e5ec181ff654ff1830bf437a4dba5385c129 Mon Sep 17 00:00:00 2001
From: Mark McDowall <markus.mcd5@gmail.com>
Date: Tue, 30 Aug 2016 22:23:49 -0700
Subject: [PATCH] Don't blow if driveFormat is null when looking up DriveType

Closes #1444
---
 src/NzbDrone.Mono/Disk/FindDriveType.cs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/NzbDrone.Mono/Disk/FindDriveType.cs b/src/NzbDrone.Mono/Disk/FindDriveType.cs
index 3125469d0..80f4ab252 100644
--- a/src/NzbDrone.Mono/Disk/FindDriveType.cs
+++ b/src/NzbDrone.Mono/Disk/FindDriveType.cs
@@ -14,6 +14,11 @@ namespace NzbDrone.Mono.Disk
 
         public static DriveType Find(string driveFormat)
         {
+            if (driveFormat.IsNullOrWhiteSpace())
+            {
+                return DriveType.Unknown;
+            }
+
             return DriveTypeMap.GetValueOrDefault(driveFormat);
         }
     }