From 5d6425550ec548dab7fee8aa6af612e024a4f633 Mon Sep 17 00:00:00 2001
From: Hartmut Birr <osexpert@googlemail.com>
Date: Sat, 25 Jan 2003 16:15:33 +0000
Subject: [PATCH] =?UTF-8?q?-IoCancelIrp=20fixed/improved=20(Thanks=20to=20?=
 =?UTF-8?q?Gunnar=20Andr=EF=BF=BD=20Dalsnes).?=
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svn path=/trunk/; revision=4067
---
 reactos/ntoskrnl/io/cancel.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/reactos/ntoskrnl/io/cancel.c b/reactos/ntoskrnl/io/cancel.c
index c381aa439b4..239623fb1d6 100644
--- a/reactos/ntoskrnl/io/cancel.c
+++ b/reactos/ntoskrnl/io/cancel.c
@@ -16,7 +16,7 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
-/* $Id: cancel.c,v 1.8 2002/09/08 10:23:24 chorns Exp $
+/* $Id: cancel.c,v 1.9 2003/01/25 16:15:33 hbirr Exp $
  *
  * PROJECT:         ReactOS kernel
  * FILE:            ntoskrnl/io/cancel.c
@@ -44,6 +44,7 @@ NtCancelIoFile (IN	HANDLE			FileHandle,
 		OUT	PIO_STATUS_BLOCK	IoStatusBlock)
 {
   UNIMPLEMENTED;
+  return(STATUS_NOT_IMPLEMENTED);
 }
 
 BOOLEAN STDCALL 
@@ -56,11 +57,12 @@ IoCancelIrp(PIRP Irp)
    IoAcquireCancelSpinLock(&oldlvl);
    Irp->Cancel = TRUE;
    if (Irp->CancelRoutine == NULL)
-     {
-	return(FALSE);
-     }
-   Irp->CancelRoutine(Irp->Stack[0].DeviceObject, Irp);
-   IoReleaseCancelSpinLock(oldlvl);
+   {
+      IoReleaseCancelSpinLock(oldlvl);
+      return(FALSE);
+   }
+   Irp->CancelIrql = oldlvl;
+   Irp->CancelRoutine(IoGetCurrentIrpStackLocation(Irp)->DeviceObject, Irp);
    return(TRUE);
 }