1 /* 2 * ReactOS kernel 3 * Copyright (C) 2002 ReactOS Team 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License along 16 * with this program; if not, write to the Free Software Foundation, Inc., 17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 18 */ 19 /* 20 * COPYRIGHT: See COPYING in the top level directory 21 * PROJECT: ReactOS kernel 22 * FILE: drivers/filesystems/cdfs/close.c 23 * PURPOSE: CDROM (ISO 9660) filesystem driver 24 * PROGRAMMER: Art Yerkes 25 * UPDATE HISTORY: 26 */ 27 28 /* INCLUDES *****************************************************************/ 29 30 #include "cdfs.h" 31 32 #define NDEBUG 33 #include <debug.h> 34 35 /* FUNCTIONS ****************************************************************/ 36 37 NTSTATUS 38 CdfsCloseFile(PDEVICE_EXTENSION DeviceExt, 39 PFILE_OBJECT FileObject) 40 /* 41 * FUNCTION: Closes a file 42 */ 43 { 44 PCCB Ccb; 45 46 DPRINT("CdfsCloseFile(DeviceExt %p, FileObject %p)\n", 47 DeviceExt, 48 FileObject); 49 50 Ccb = (PCCB)(FileObject->FsContext2); 51 52 DPRINT("Ccb %p\n", Ccb); 53 if (Ccb == NULL) 54 { 55 return(STATUS_SUCCESS); 56 } 57 58 FileObject->FsContext2 = NULL; 59 60 if (FileObject->FileName.Buffer) 61 { 62 // This a FO, that was created outside from FSD. 63 // Some FO's are created with IoCreateStreamFileObject() insid from FSD. 64 // This FO's don't have a FileName. 65 CdfsReleaseFCB(DeviceExt, FileObject->FsContext); 66 } 67 68 if (Ccb->DirectorySearchPattern.Buffer) 69 { 70 ExFreePoolWithTag(Ccb->DirectorySearchPattern.Buffer, CDFS_SEARCH_PATTERN_TAG); 71 } 72 ExFreePoolWithTag(Ccb, CDFS_CCB_TAG); 73 74 return(STATUS_SUCCESS); 75 } 76 77 78 NTSTATUS NTAPI 79 CdfsClose( 80 PCDFS_IRP_CONTEXT IrpContext) 81 { 82 PIRP Irp; 83 PDEVICE_OBJECT DeviceObject; 84 PDEVICE_EXTENSION DeviceExtension; 85 PIO_STACK_LOCATION Stack; 86 PFILE_OBJECT FileObject; 87 NTSTATUS Status; 88 89 DPRINT("CdfsClose() called\n"); 90 91 ASSERT(IrpContext); 92 93 Irp = IrpContext->Irp; 94 DeviceObject = IrpContext->DeviceObject; 95 Stack = IrpContext->Stack; 96 97 if (DeviceObject == CdfsGlobalData->CdFsDeviceObject || DeviceObject == CdfsGlobalData->HddFsDeviceObject) 98 { 99 DPRINT("Closing file system\n"); 100 Status = STATUS_SUCCESS; 101 goto ByeBye; 102 } 103 104 FileObject = Stack->FileObject; 105 DeviceExtension = DeviceObject->DeviceExtension; 106 107 Status = CdfsCloseFile(DeviceExtension,FileObject); 108 109 ByeBye: 110 Irp->IoStatus.Information = 0; 111 112 return(Status); 113 } 114 115 /* EOF */ 116