ReactOS 0.4.15-dev-8109-gd7be748
fxrequestbasekm.hpp
Go to the documentation of this file.
1/*++
2
3 Copyright (c) Microsoft Corporation
4
5 Module Name:
6
7 FxRequestBaseKm.hpp
8
9 Abstract:
10
11 This module implements km specific functions for FxRequestBase.
12
13 Author:
14
15
16
17 Environment:
18
19 Kernel mode only
20
21 Revision History:
22
23 --*/
24
25#ifndef _FXREQUESTBASEKM_HPP_
26#define _FXREQUESTBASEKM_HPP_
27
28
29VOID
30__inline
32 VOID
33 )
34{
35 PMDL pMdl, pNext;
36
38 return;
39 }
40
41 pMdl = m_Irp.GetIrp()->MdlAddress;
42
43 //
44 // Free any PMDLs that the lower layer allocated. Since we are going
45 // to free the PIRP ourself and not call IoCompleteRequest, we must mimic
46 // the behavior in IoCompleteRequest which does the same thing.
47 //
48 while (pMdl != NULL) {
49 pNext = pMdl->Next;
50
51 if (pMdl->MdlFlags & MDL_PAGES_LOCKED) {
52 MmUnlockPages(pMdl);
53 }
54 else if (GetDriverGlobals()->FxVerifierOn) {
55 DbgPrint("pMdl %p, Flags 0x%x in PIRP %p should be locked",
56 pMdl, pMdl->MdlFlags, m_Irp.GetIrp());
57
59 }
60
61 FxIrpMdlFree(pMdl);
62 pMdl = pNext;
63 }
64
65 m_Irp.GetIrp()->MdlAddress = NULL;
66}
67
68#endif // _FXREQUESTBASEKM_HPP
MdIrp GetIrp(VOID)
Definition: fxirpum.cpp:15
__inline PFX_DRIVER_GLOBALS GetDriverGlobals(VOID)
Definition: fxobject.hpp:734
BOOLEAN __inline IsCanComplete(VOID)
BOOLEAN __inline IsAllocatedFromIo(VOID)
VOID FreeMdls(VOID)
#define NULL
Definition: types.h:112
FxVerifierDbgBreakPoint(pFxDriverGlobals)
VOID __inline FxIrpMdlFree(__in PMDL Mdl)
Definition: fxmdl.h:75
#define DbgPrint
Definition: hal.h:12
VOID NTAPI MmUnlockPages(IN PMDL Mdl)
Definition: mdlsup.c:1435
#define MDL_PAGES_LOCKED
Definition: mmtypes.h:19