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Added IoFileObjectType to ObReferenceObjectByHandle. If the function is not called with a file handle, there occures a page fault.

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Moved dereferencing of the file object to IoSecondStageCompletion.

svn path=/trunk/; revision=2886
This commit is contained in:
Hartmut Birr 2002-04-27 19:23:33 +00:00
parent 10e98570f5
commit 18501a22c4
1 changed files with 2 additions and 4 deletions
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6
reactos/ntoskrnl/io/vpb.c
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@ -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);
}