- Call the DriverStartIo routine at DISPATCH_LEVEL in IoStartPacket.

reactos/ntoskrnl/io

diff -u -r1.13 -r1.14
--- queue.c	10 Jul 2003 15:47:00 -0000	1.13
+++ queue.c	28 Apr 2004 20:42:01 -0000	1.14
@@ -1,4 +1,4 @@

-/* $Id: queue.c,v 1.13 2003/07/10 15:47:00 royce Exp $

+/* $Id: queue.c,v 1.14 2004/04/28 20:42:01 hbirr Exp $

  *
  * COPYRIGHT:                See COPYING in the top level directory
  * PROJECT:                  ReactOS kernel

@@ -134,13 +134,22 @@

 				   &Irp->Tail.Overlay.DeviceQueueEntry);
      }
    

-   IoReleaseCancelSpinLock(oldirql);

    
    if (!stat)
      {			   

+        IoReleaseCancelSpinLock(DISPATCH_LEVEL);

         DeviceObject->CurrentIrp = Irp;
 	DeviceObject->DriverObject->DriverStartIo(DeviceObject,Irp);

+	if (oldirql < DISPATCH_LEVEL)
+	  {
+            KeLowerIrql(oldirql);
+        }

      }

+   else
+     {
+        IoReleaseCancelSpinLock(oldirql);
+     }
+

 }