From b47fa831aecf172fc044d37fa760a426628715ab Mon Sep 17 00:00:00 2001
From: Mark McDowall <markus.mcd5@gmail.com>
Date: Thu, 20 Mar 2014 22:42:31 -0700
Subject: [PATCH] Fixed: Only clear readonly flag when file has readonly flag

---
 src/NzbDrone.Common/Disk/DiskProviderBase.cs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/NzbDrone.Common/Disk/DiskProviderBase.cs b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
index bc15fc84f..c2c4d0075 100644
--- a/src/NzbDrone.Common/Disk/DiskProviderBase.cs
+++ b/src/NzbDrone.Common/Disk/DiskProviderBase.cs
@@ -401,8 +401,13 @@ namespace NzbDrone.Common.Disk
         {
             if (File.Exists(path))
             {
-                var newAttributes = File.GetAttributes(path) & ~(FileAttributes.ReadOnly);
-                File.SetAttributes(path, newAttributes);
+                var attributes = File.GetAttributes(path);
+
+                if (attributes.HasFlag(FileAttributes.ReadOnly))
+                {
+                    var newAttributes = attributes & ~(FileAttributes.ReadOnly);
+                    File.SetAttributes(path, newAttributes);
+                }
             }
         }