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641 lines
25 KiB
641 lines
25 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1998 - 1999
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//
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// File: pnppdo.c
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//
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//--------------------------------------------------------------------------
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//
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// This file contains functions associated with handling IRPs sent to a PDO
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//
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#include "pch.h"
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NTSTATUS
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ParPdoParallelPnp (
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IN PDEVICE_OBJECT pDeviceObject,
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IN PIRP pIrp
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)
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/*++
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Routine Description:
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This routine handles all PNP IRPs for the PDOs.
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Arguments:
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pDeviceObject - represents a parallel device
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pIrp - PNP Irp
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Return Value:
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STATUS_SUCCESS - if successful.
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STATUS_UNSUCCESSFUL - otherwise.
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--*/
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{
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NTSTATUS Status = STATUS_SUCCESS;
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PDEVICE_EXTENSION Extension;
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// PVOID pDriverObject;
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PIO_STACK_LOCATION pIrpStack;
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// PIO_STACK_LOCATION pNextIrpStack;
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// KEVENT Event;
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// ULONG cRequired;
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// GUID Guid;
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// WCHAR wszGuid[64];
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// UNICODE_STRING uniGuid;
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// WCHAR wszDeviceDesc[64];
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// UNICODE_STRING uniDevice;
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// ParDump(PARDUMP_VERBOSE_MAX,
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// ("PARALLEL: "
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// "Enter ParPdoParallelPnp(...): IRP_MJ_PNP\n") );
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pIrpStack = IoGetCurrentIrpStackLocation( pIrp );
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Extension = pDeviceObject->DeviceExtension;
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//
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// dvdf RMT - don't blindly set information to 0
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// - kills info passed down by disk.sys and prevents ZipPlus
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// from getting assigned a drive letter.
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//
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// pIrp->IoStatus.Information = 0; // dvdr
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//
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// bail out if a delete is pending for this device object
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//
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if(Extension->DeviceStateFlags & PAR_DEVICE_DELETE_PENDING) {
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pIrp->IoStatus.Status = STATUS_DELETE_PENDING;
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IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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return STATUS_DELETE_PENDING;
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}
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if(Extension->DeviceStateFlags & PAR_DEVICE_PORT_REMOVE_PENDING) {
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ParDumpP( ("PDO PnP Dispatch - PAR_DEVICE_PORT_REMOVE_PENDING - IRP MN == %x\n", pIrpStack->MinorFunction) );
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}
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//
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// The only PnP IRP that a PODO should receive is QDR/TargetDeviceRelation.
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// Any other PnP IRP is an error.
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//
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if( ( Extension->DeviceType == PAR_DEVTYPE_PODO ) &&
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! ( ( pIrpStack->MinorFunction == IRP_MN_QUERY_DEVICE_RELATIONS ) &&
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( pIrpStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation ) ) ) {
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ASSERTMSG( "PnP IRP sent to legacy device object ", FALSE);
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pIrp->IoStatus.Status = STATUS_NOT_SUPPORTED;
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IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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return STATUS_NOT_SUPPORTED;
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}
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switch (pIrpStack->MinorFunction) {
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case IRP_MN_START_DEVICE:
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ParDumpP( ("START_DEVICE - %wZ\n", &Extension->SymbolicLinkName) );
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Extension->DeviceStateFlags = PAR_DEVICE_STARTED;
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// tell parport device to list us in its PnP QDR/RemovalRelations response
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// yes, we ignore the return value
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Status = ParRegisterForParportRemovalRelations( Extension );
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// initialize WMI context structure and register for WMI
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// yes, we ignore the return value
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Status = ParWmiPdoInitWmi(pDeviceObject);
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pIrp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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KeSetEvent(&Extension->PauseEvent, 0, FALSE);
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return STATUS_SUCCESS;
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case IRP_MN_QUERY_CAPABILITIES:
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ParDumpP( ("QUERY_CAPABILITIES - %wZ\n", &Extension->SymbolicLinkName) );
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pIrpStack->Parameters.DeviceCapabilities.Capabilities->RawDeviceOK = TRUE;
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_QUERY_DEVICE_RELATIONS:
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ParDumpP( ("QUERY_DEVICE_RELATIONS - %wZ - Type=%d\n",
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&Extension->SymbolicLinkName, pIrpStack->Parameters.QueryDeviceRelations.Type) );
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if ( pIrpStack->Parameters.QueryDeviceRelations.Type == TargetDeviceRelation ) {
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#if 0
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//
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// Return a reference to this PDO (self)
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//
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PDEVICE_RELATIONS devRel;
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ParDumpP( ("QUERY_DEVICE_RELATIONS - %wZ - TargetRelation\n", &Extension->SymbolicLinkName) );
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devRel = ExAllocatePool(PagedPool, sizeof(DEVICE_RELATIONS));
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if (devRel){
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//
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// Add a reference to the PDO, since CONFIGMG will free it.
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//
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ObReferenceObject(Extension->DeviceObject);
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devRel->Objects[0] = Extension->DeviceObject;
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devRel->Count = 1;
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pIrp->IoStatus.Information = (ULONG_PTR)devRel;
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Status = STATUS_SUCCESS;
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} else {
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Status = STATUS_INSUFFICIENT_RESOURCES;
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}
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#else
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//
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// Forward PnP QueryTargetRelation IRP to ParPort device
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//
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ParDumpP(("Preparing to forward QDR/TargetDevRel to ParPort\n"));
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IoSkipCurrentIrpStackLocation(pIrp);
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return ParCallDriver(Extension->PortDeviceObject, pIrp);
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#endif // 0
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} else {
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//
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// We don't handle this type of DeviceRelations query, so...
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//
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// Fail this Irp by returning the default status (typically STATUS_NOT_SUPPORTED).
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//
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// ParDumpP( ("QUERY_DEVICE_RELATIONS - %wZ - unhandled relation (!TargetRelation)\n",
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// &Extension->SymbolicLinkName) );
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Status = pIrp->IoStatus.Status;
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}
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//
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// Complete the IRP...
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//
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pIrp->IoStatus.Status = Status;
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IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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return Status;
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case IRP_MN_QUERY_DEVICE_TEXT:
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switch(pIrpStack->Parameters.QueryDeviceText.DeviceTextType) {
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case DeviceTextDescription:
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{
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UCHAR RawString[MAX_ID_SIZE];
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ANSI_STRING AnsiTextString;
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UNICODE_STRING UnicodeDeviceText;
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RtlInitAnsiString(&AnsiTextString,Extension->DeviceDescription);
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Status = RtlAnsiStringToUnicodeString(&UnicodeDeviceText,&AnsiTextString,TRUE);
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if( NT_SUCCESS( Status ) ) {
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ParDumpP( ("QUERY_DEVICE_TEXT - DeviceTextDescription - %wZ\n", &UnicodeDeviceText) );
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pIrp->IoStatus.Information = (ULONG_PTR)UnicodeDeviceText.Buffer;
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}
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}
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break;
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case DeviceTextLocationInformation:
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{
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//
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// Report SymbolicLinkName without the L"\\DosDevices\\" prefix
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// as the location
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//
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ULONG prefixLength = sizeof(L"\\DosDevices\\") - sizeof(UNICODE_NULL);
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ULONG bufferLength = Extension->SymbolicLinkName.Length - prefixLength + sizeof(UNICODE_NULL);
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PWSTR buffer;
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ParDumpP( ("QUERY_DEVICE_TEXT - DeviceTextLocationInformation\n") );
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ParDumpP( (" - SymbolicLinkName = %wZ , bufferLength = %d\n",
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&Extension->SymbolicLinkName, bufferLength) );
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if(bufferLength <= MAX_ID_SIZE) {
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buffer = ExAllocatePool(PagedPool, bufferLength);
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} else {
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// assume that something went very wrong
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buffer = NULL;
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}
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if(!buffer) {
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// unable to allocate a buffer to hold location information
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pIrp->IoStatus.Information = 0;
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Status = STATUS_INSUFFICIENT_RESOURCES;
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} else {
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// copy location information to buffer and null terminate it
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PCHAR src = (PCHAR)Extension->SymbolicLinkName.Buffer + prefixLength;
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RtlCopyMemory( buffer, src, bufferLength - sizeof(UNICODE_NULL) );
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buffer[ bufferLength/2 - 1 ] = UNICODE_NULL;
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pIrp->IoStatus.Information = (ULONG_PTR)buffer;
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Status = STATUS_SUCCESS;
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ParDumpP( ("QUERY_DEVICE_TEXT - Device Location - %S\n", buffer) );
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}
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}
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break; // from case DeviceTextLocationInformation:
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default:
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// unknown request type
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// pIrp->IoStatus.Information = 0;
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Status = pIrp->IoStatus.Status;
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}
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break; // from case IRP_MN_QUERY_DEVICE_TEXT:
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case IRP_MN_QUERY_ID:
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{
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//
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// report the id depending on what the device attached to the port returned us
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//
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UCHAR DeviceIdString[MAX_ID_SIZE] = "LPTENUM\\NoPrinterOrNonPnpModel";
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UCHAR RawString[MAX_ID_SIZE];
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ANSI_STRING AnsiIdString;
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UNICODE_STRING UnicodeDeviceId;
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UNICODE_STRING UnicodeTemp;
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ULONG DeviceIdLength;
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HANDLE KeyHandle;
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if (Extension->DeviceIdString[0] == 0) {
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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RtlZeroMemory(RawString, sizeof(RawString));
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Status = STATUS_SUCCESS;
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switch(pIrpStack->Parameters.QueryId.IdType) {
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case BusQueryDeviceID:
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if (Extension->DeviceIdString[0] == 0) {
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Status = STATUS_NOT_FOUND;
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break;
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} else {
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sprintf((PCHAR)RawString,"LPTENUM\\%s",Extension->DeviceIdString );
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ParFixupDeviceId( (PUCHAR)RawString );
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RtlInitAnsiString(&AnsiIdString, (PCHAR)RawString);
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Status = RtlAnsiStringToUnicodeString(&UnicodeDeviceId, &AnsiIdString, TRUE);
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}
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if( NT_SUCCESS( Status ) ) {
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ParDumpP( ("QUERY_ID - BusQueryDeviceID - %wZ\n", &UnicodeDeviceId) );
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pIrp->IoStatus.Information = (ULONG_PTR)UnicodeDeviceId.Buffer;
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}
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break;
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case BusQueryInstanceID:
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if (Extension->DeviceIdString[0] == 0) {
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Status = STATUS_NOT_FOUND;
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break;
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}
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//
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// Report SymbolicLinkName without the L"\\DosDevices\\" prefix
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// as the instance ID
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//
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{
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ULONG prefixLength = sizeof(L"\\DosDevices\\") - sizeof(UNICODE_NULL);
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ULONG bufferLength = Extension->SymbolicLinkName.Length - prefixLength + sizeof(UNICODE_NULL);
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PWSTR buffer;
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ParDumpP( ("QUERY_ID - BusQueryInstanceID - "
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"SymbolicLinkName = %wZ , bufferLength = %d\n",
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&Extension->SymbolicLinkName, bufferLength) );
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if(bufferLength <= MAX_ID_SIZE) {
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buffer = ExAllocatePool(PagedPool, bufferLength);
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} else {
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// assume that something went very wrong
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buffer = NULL;
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}
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if(!buffer) {
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// unable to allocate a buffer to hold location information
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pIrp->IoStatus.Information = 0;
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Status = STATUS_INSUFFICIENT_RESOURCES;
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} else {
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// copy location information to buffer and null terminate it
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PCHAR src = (PCHAR)Extension->SymbolicLinkName.Buffer + prefixLength;
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RtlCopyMemory( buffer, src, bufferLength - sizeof(UNICODE_NULL) );
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buffer[ bufferLength/2 - 1 ] = UNICODE_NULL;
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pIrp->IoStatus.Information = (ULONG_PTR)buffer;
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Status = STATUS_SUCCESS;
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ParDumpP( ("QUERY_ID - BusQueryInstanceID - %S\n", buffer) );
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}
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}
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break;
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case BusQueryHardwareIDs:
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if (Extension->DeviceIdString[0] == 0) {
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// bail out if we don't have a device id
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Status = STATUS_NOT_FOUND;
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break;
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}
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//
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// Store the port we are attached in the registry under our device instance
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//
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Status = IoOpenDeviceRegistryKey( pDeviceObject, PLUGPLAY_REGKEY_DEVICE, KEY_ALL_ACCESS, &KeyHandle );
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if ( NT_SUCCESS(Status) ) {
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//
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// Create a new value under our instance, for the port number
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//
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sprintf((PCHAR)RawString,"PortName");
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RtlInitAnsiString(&AnsiIdString,(PCHAR)RawString);
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//
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// Now we have to build the actual value contents
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//
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{
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//
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// - Start with the SymbolicLinkName
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// - Discard the L"\\DosDevices\\" prefix
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// WORKWORK/RMT TODO: - Discard the L".N" suffix if this is an End-Of-Chain device
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// - Append L':'
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//
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ULONG prefixLength = sizeof(L"\\DosDevices\\") - sizeof(UNICODE_NULL);
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ULONG bufferLength = Extension->SymbolicLinkName.Length
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- prefixLength + sizeof(PAR_UNICODE_COLON) + sizeof(UNICODE_NULL);
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PWSTR buffer;
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ParDumpV( ( "QUERY_ID - BusQueryHardwareIDs - SymbolicLinkName = %wZ , bufferLength = %d\n",
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&Extension->SymbolicLinkName, bufferLength) );
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if(bufferLength > MAX_ID_SIZE) {
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// we had a rollover and our bufferLength is not valid
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buffer = NULL;
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} else {
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buffer = ExAllocatePool(PagedPool, bufferLength);
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}
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if(!buffer) {
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// unable to allocate a buffer to hold location information
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pIrp->IoStatus.Information = 0;
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pIrp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
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IoCompleteRequest(pIrp, IO_NO_INCREMENT);
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return STATUS_INSUFFICIENT_RESOURCES;
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} else {
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// copy location information to buffer and null terminate it
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PCHAR src = (PCHAR)Extension->SymbolicLinkName.Buffer + prefixLength;
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RtlCopyMemory( buffer, src, bufferLength - sizeof(UNICODE_NULL) );
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buffer[ bufferLength/2 - 2 ] = PAR_UNICODE_COLON;
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buffer[ bufferLength/2 - 1 ] = UNICODE_NULL;
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{
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// if this is an End-Of-Chain device, discard the L".N" suffix
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// WARNING - HACKHACK until spooler is fully PnP
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if( ( (Extension->Ieee1284_3DeviceId == DOT3_END_OF_CHAIN_ID) || Extension->EndOfChain ) &&
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(buffer[bufferLength/2 - 3] <= L'9') &&
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(buffer[bufferLength/2 - 3] >= L'0') &&
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(buffer[bufferLength/2 - 4] == L'.') ) {
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buffer[bufferLength/2 - 4] = PAR_UNICODE_COLON;
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buffer[bufferLength/2 - 3] = UNICODE_NULL;
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}
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}
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RtlInitUnicodeString(&UnicodeTemp, buffer);
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}
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}
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{
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UNICODE_STRING UnicodeRegValueName;
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NTSTATUS status;
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status = RtlAnsiStringToUnicodeString(&UnicodeRegValueName,&AnsiIdString,TRUE);
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if( NT_SUCCESS ( status ) ) {
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ZwSetValueKey( KeyHandle, &UnicodeRegValueName, 0, REG_SZ, UnicodeTemp.Buffer, UnicodeTemp.Length*sizeof(UCHAR) );
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RtlFreeUnicodeString(&UnicodeRegValueName);
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}
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}
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ZwClose(KeyHandle);
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}
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ParDumpP( ("QUERY_ID - BusQueryHardwareIDs\n") );
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//
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// continue on, to return the actual HardwareID string
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//
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case BusQueryCompatibleIDs:
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if (Extension->DeviceIdString[0] == 0) {
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Status = STATUS_NOT_FOUND;
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break;
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}
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Status = ParPnpGetId(Extension->DeviceIdString,pIrpStack->Parameters.QueryId.IdType,RawString, NULL);
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if( NT_SUCCESS( Status ) ) {
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RawString[strlen((PCHAR)RawString)+1]=0;
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RawString[strlen((PCHAR)RawString)]=32;
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ParFixupDeviceId( (PUCHAR)RawString );
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RtlInitAnsiString(&AnsiIdString,(PCHAR)RawString);
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Status = RtlAnsiStringToUnicodeString(&UnicodeDeviceId,&AnsiIdString,TRUE);
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if( NT_SUCCESS( Status ) ) {
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ParDumpP( ("QUERY_ID - BusQueryHardwareIDs/BusQueryCompatibleIDs - %wZ\n", &UnicodeDeviceId) );
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// Now append another NULL, to terminate the multi_sz
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UnicodeTemp.Buffer = UnicodeDeviceId.Buffer;
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((PSTR)UnicodeTemp.Buffer) += (UnicodeDeviceId.Length-2);
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RtlZeroMemory(UnicodeTemp.Buffer,sizeof(WCHAR));
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pIrp->IoStatus.Information = (ULONG_PTR)UnicodeDeviceId.Buffer;
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}
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}
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break;
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default:
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//
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// unrecognized IdType
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//
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Status = pIrp->IoStatus.Status;
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} // end switch(pIrpStack->Parameters.QueryId.IdType)
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break;
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}
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case IRP_MN_QUERY_STOP_DEVICE:
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ParDumpP( ("QUERY_STOP_DEVICE - %wZ\n", &Extension->SymbolicLinkName) );
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Extension->DeviceStateFlags |= (PAR_DEVICE_STOP_PENDING | PAR_DEVICE_PAUSED);
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KeClearEvent(&Extension->PauseEvent);
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_CANCEL_STOP_DEVICE:
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ParDumpP( ("IRP_MN_CANCEL_STOP_DEVICE - %wZ\n", &Extension->SymbolicLinkName) );
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Extension->DeviceStateFlags &= ~PAR_DEVICE_STOP_PENDING;
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KeSetEvent(&Extension->PauseEvent, 0, FALSE);
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_STOP_DEVICE:
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ParDumpP( ("IRP_MN_STOP_DEVICE - %wZ\n", &Extension->SymbolicLinkName) );
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Extension->DeviceStateFlags |= PAR_DEVICE_PAUSED;
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Extension->DeviceStateFlags &= ~PAR_DEVICE_STARTED;
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KeClearEvent(&Extension->PauseEvent);
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Status = STATUS_SUCCESS;
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break;
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case IRP_MN_QUERY_REMOVE_DEVICE:
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// Succeed if no one has an open handle to us, fail otherwise
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ExAcquireFastMutex(&Extension->OpenCloseMutex);
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if(Extension->OpenCloseRefCount > 0) {
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DDPnP1(("## Fail QueryRemove - %wZ\n",&Extension->SymbolicLinkName));
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ParDump2(PARPNP1, ("QUERY_REMOVE_DEVICE - %wZ - FAIL - open handles to us\n", &Extension->SymbolicLinkName) );
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Status = STATUS_DEVICE_BUSY;
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} else {
|
|
DDPnP1(("## Succeed QueryRemove - %wZ\n",&Extension->SymbolicLinkName));
|
|
ParDump2(PARPNP1, ("IRP_MN_QUERY_REMOVE_DEVICE - %wZ - SUCCEED\n", &Extension->SymbolicLinkName) );
|
|
Extension->DeviceStateFlags |= (PAR_DEVICE_REMOVE_PENDING | PAR_DEVICE_PAUSED);
|
|
KeClearEvent(&Extension->PauseEvent);
|
|
if( Extension->PortDeviceFileObject ) {
|
|
//
|
|
// close our handle to parport so we don't block a parport removal
|
|
//
|
|
ParDump2(PARPNP1, ("CLOSE our handle to ParPort\n") );
|
|
ObDereferenceObject( Extension->PortDeviceFileObject );
|
|
Extension->PortDeviceFileObject = NULL;
|
|
}
|
|
Status = STATUS_SUCCESS;
|
|
}
|
|
ExReleaseFastMutex(&Extension->OpenCloseMutex);
|
|
break;
|
|
|
|
case IRP_MN_CANCEL_REMOVE_DEVICE:
|
|
|
|
DDPnP1(("## CancelRemove - %wZ\n",&Extension->SymbolicLinkName));
|
|
|
|
ParDumpP( ("CANCEL_REMOVE_DEVICE - %wZ\n", &Extension->SymbolicLinkName) );
|
|
|
|
Extension->DeviceStateFlags &= ~(PAR_DEVICE_REMOVE_PENDING | PAR_DEVICE_PAUSED);
|
|
|
|
if( !Extension->PortDeviceFileObject ) {
|
|
|
|
//
|
|
// we dropped our connection to our ParPort prior to
|
|
// our ParPort receiving QUERY_REMOVE, reestablish
|
|
// a FILE connection and resume operation
|
|
//
|
|
|
|
NTSTATUS status;
|
|
PFILE_OBJECT portDeviceFileObject;
|
|
PDEVICE_OBJECT portDeviceObject;
|
|
|
|
ParDump2(PARPNP1, ("reopening file against our ParPort\n") );
|
|
|
|
status = IoGetDeviceObjectPointer(&Extension->PortSymbolicLinkName,
|
|
STANDARD_RIGHTS_ALL,
|
|
&portDeviceFileObject,
|
|
&portDeviceObject);
|
|
|
|
if(NT_SUCCESS(status) && portDeviceFileObject && portDeviceObject) {
|
|
// save REFERENCED PFILE_OBJECT in our device extension
|
|
Extension->PortDeviceFileObject = portDeviceFileObject;
|
|
// our ParPort device object should not have changed
|
|
ASSERT(Extension->PortDeviceObject == portDeviceObject);
|
|
|
|
} else {
|
|
ParDump2(PARPNP1, ("Unable to reopen FILE against our ParPort\n") );
|
|
|
|
//
|
|
// Unable to reestablish connection? Inconceivable!
|
|
//
|
|
ASSERT(FALSE);
|
|
}
|
|
}
|
|
|
|
KeSetEvent(&Extension->PauseEvent, 0, FALSE);
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
|
|
DDPnP1(("## RemoveDevice - %wZ\n",&Extension->SymbolicLinkName));
|
|
|
|
ParDumpP( ("REMOVE_DEVICE - %x <%wZ>\n", Extension->DeviceObject, &Extension->SymbolicLinkName) );
|
|
|
|
Status = ParUnregisterForParportRemovalRelations( Extension );
|
|
|
|
//
|
|
// Unregister with WMI
|
|
//
|
|
ParWMIRegistrationControl(pDeviceObject, WMIREG_ACTION_DEREGISTER);
|
|
|
|
ParDumpP( ("REMOVE_DEVICE - %wZ - Checking if device still there...\n",
|
|
&Extension->SymbolicLinkName) );
|
|
|
|
if( !(Extension->DeviceStateFlags & PAR_DEVICE_HARDWARE_GONE) && ParDeviceExists(Extension,FALSE) ) {
|
|
ParDumpP( ("REMOVE_DEVICE - %wZ - Device still there - Keep DO\n",
|
|
&Extension->SymbolicLinkName) );
|
|
Extension->DeviceStateFlags = PAR_DEVICE_PAUSED;
|
|
} else {
|
|
ParDumpP( ("REMOVE_DEVICE - %wZ - Device no longer present - Kill DO\n",
|
|
&Extension->SymbolicLinkName) );
|
|
|
|
{
|
|
//
|
|
// Clean up the device object
|
|
//
|
|
PDEVICE_EXTENSION FdoExtension = Extension->ParClassFdo->DeviceExtension;
|
|
ExAcquireFastMutex(&FdoExtension->DevObjListMutex);
|
|
ParKillDeviceObject(pDeviceObject);
|
|
ExReleaseFastMutex(&FdoExtension->DevObjListMutex);
|
|
}
|
|
}
|
|
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL:
|
|
|
|
#define PAR_HANDLE_SURPRISE_REMOVAL 1
|
|
#if PAR_HANDLE_SURPRISE_REMOVAL
|
|
|
|
ParDumpP( ("SURPRISE_REMOVAL - %wZ - handled\n", &Extension->SymbolicLinkName) );
|
|
|
|
// note in our extension that we received SURPRISE_REMOVAL
|
|
Extension->DeviceStateFlags |= PAR_DEVICE_SURPRISE_REMOVAL;
|
|
|
|
// stop the worker thread
|
|
KeClearEvent(&Extension->PauseEvent);
|
|
Status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
#else
|
|
ParDumpP( ("SURPRISE_REMOVAL - %wZ - NOT handled\n", &Extension->SymbolicLinkName) );
|
|
// we don't handle yet - fall through to default
|
|
|
|
#endif
|
|
|
|
default:
|
|
|
|
ParDumpP(("ParPdoParallelPnp - %wZ - Unhandled IRP %x\n",
|
|
&Extension->SymbolicLinkName, pIrpStack->MinorFunction) );
|
|
Status = pIrp->IoStatus.Status; // Don't modify status
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Complete the IRP...
|
|
//
|
|
pIrp->IoStatus.Status = Status;
|
|
IoCompleteRequest(pIrp, IO_NO_INCREMENT);
|
|
return Status;
|
|
}
|