From 18501a22c4bfb0065f5c9c8f856f00ba87fff70b Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Sat, 27 Apr 2002 19:23:33 +0000
Subject: [PATCH] Added IoFileObjectType to ObReferenceObjectByHandle. If the
 function is not called with a file handle, there occures a page fault. Moved
 dereferencing of the file object to IoSecondStageCompletion.

svn path=/trunk/; revision=2886
---
 reactos/ntoskrnl/io/vpb.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/reactos/ntoskrnl/io/vpb.c b/reactos/ntoskrnl/io/vpb.c
index 82a306f5999..6a8e513ab94 100644
--- a/reactos/ntoskrnl/io/vpb.c
+++ b/reactos/ntoskrnl/io/vpb.c
@@ -1,4 +1,4 @@
-/* $Id: vpb.c,v 1.16 2002/04/20 03:46:40 phreak Exp $
+/* $Id: vpb.c,v 1.17 2002/04/27 19:23:33 hbirr Exp $
  *
  * COPYRIGHT:       See COPYING in the top level directory
  * PROJECT:         ReactOS kernel
@@ -110,7 +110,7 @@ NtQueryVolumeInformationFile(IN HANDLE FileHandle,
    
    Status = ObReferenceObjectByHandle(FileHandle,
 				      FILE_READ_ATTRIBUTES,
-				      NULL,
+				      IoFileObjectType,
 				      UserMode,
 				      (PVOID*)&FileObject,
 				      NULL);
@@ -181,7 +181,6 @@ NtQueryVolumeInformationFile(IN HANDLE FileHandle,
        *IoStatusBlock = IoSB;
      }
    ExFreePool(SystemBuffer);
-   ObDereferenceObject(FileObject);
    
    return(Status);
 }
@@ -257,7 +256,6 @@ IoQueryVolumeInformation(IN PFILE_OBJECT FileObject,
      {
 	*ReturnedLength = IoStatusBlock.Information;
      }
-   ObDereferenceObject(FileObject);
    
    return(Status);
 }