Added check to make sure root filesystem node is a folder node when no relative path is specified. ETWOTWO-566.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@9913 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/repo/ContentDiskDriver.java

@@ -374,6 +374,13 @@ public class ContentDiskDriver extends AlfrescoDiskDriver implements DiskInterfa
                 
                 rootNodeRef = relPathNode;
             }
+            else {
+            	
+            	// Make sure the default root node is a folder
+            	
+                if ( cifsHelper.isDirectory( rootNodeRef) == false)
+                    throw new DeviceContextException("Root node is not a folder type node");
+            }
             
             // Commit the transaction