From aaa5aaec7e11c62d4e085df42f93c58ba444f5f3 Mon Sep 17 00:00:00 2001
From: Filip Navara <filip.navara@gmail.com>
Date: Tue, 24 Aug 2004 17:07:27 +0000
Subject: [PATCH] - Fix NtQueryDirectoryObject for empty directories.

svn path=/trunk/; revision=10665
---
 reactos/ntoskrnl/ob/dirobj.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/reactos/ntoskrnl/ob/dirobj.c b/reactos/ntoskrnl/ob/dirobj.c
index 4b41d81d9f6..7b2512f7651 100644
--- a/reactos/ntoskrnl/ob/dirobj.c
+++ b/reactos/ntoskrnl/ob/dirobj.c
@@ -1,4 +1,4 @@
-/* $Id: dirobj.c,v 1.24 2004/08/20 22:38:10 gvg Exp $
+/* $Id: dirobj.c,v 1.25 2004/08/24 17:07:27 navaraf Exp $
  *
  * COPYRIGHT:      See COPYING in the top level directory
  * PROJECT:        ReactOS kernel
@@ -266,9 +266,11 @@ NtQueryDirectoryObject (IN HANDLE DirectoryHandle,
       }
 
     /*
-     * If there's no room to even copy a single entry, return error status
+     * If there's no room to even copy a single entry then return error
+     * status.
      */
-    if (0 == DirectoryCount)
+    if (0 == DirectoryCount && 
+        !(IsListEmpty(&dir->head) && BufferLength >= RequiredSize))
       {
 	KeReleaseSpinLock(&dir->Lock, OldLevel);
 	ObDereferenceObject(dir);
@@ -276,7 +278,6 @@ NtQueryDirectoryObject (IN HANDLE DirectoryHandle,
 	  {
 	    Status = MmCopyToCaller(UnsafeReturnLength, &RequiredSize, sizeof(ULONG));
 	  }
-
 	return NT_SUCCESS(Status) ? STATUS_BUFFER_TOO_SMALL : Status;
       }