mirror of
https://github.com/reactos/reactos.git
synced 2024-12-28 10:04:49 +00:00
543 lines
17 KiB
C
543 lines
17 KiB
C
// Copyright (c) 2004, Antony C. Roberts
|
|
|
|
// Use of this file is subject to the terms
|
|
// described in the LICENSE.TXT file that
|
|
// accompanies this file.
|
|
//
|
|
// Your use of this file indicates your
|
|
// acceptance of the terms described in
|
|
// LICENSE.TXT.
|
|
//
|
|
// http://www.freebt.net
|
|
|
|
#include "fbtusb.h"
|
|
#include "fbtpnp.h"
|
|
#include "fbtpwr.h"
|
|
#include "fbtdev.h"
|
|
#include "fbtrwr.h"
|
|
#include "fbtwmi.h"
|
|
|
|
#include "fbtusr.h"
|
|
|
|
// Read/Write handler
|
|
NTSTATUS NTAPI FreeBT_DispatchRead(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
|
|
{
|
|
PMDL mdl;
|
|
PURB urb;
|
|
ULONG totalLength;
|
|
ULONG stageLength;
|
|
NTSTATUS ntStatus;
|
|
ULONG_PTR virtualAddress;
|
|
PFILE_OBJECT fileObject;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
PIO_STACK_LOCATION irpStack;
|
|
PIO_STACK_LOCATION nextStack;
|
|
PFREEBT_RW_CONTEXT rwContext;
|
|
//ULONG maxLength=0;
|
|
|
|
urb = NULL;
|
|
mdl = NULL;
|
|
rwContext = NULL;
|
|
totalLength = 0;
|
|
irpStack = IoGetCurrentIrpStackLocation(Irp);
|
|
fileObject = irpStack->FileObject;
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead: Entered\n"));
|
|
|
|
if (deviceExtension->DeviceState != Working)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: Invalid device state\n"));
|
|
ntStatus = STATUS_INVALID_DEVICE_STATE;
|
|
goto FreeBT_DispatchRead_Exit;
|
|
|
|
}
|
|
|
|
// Make sure that any selective suspend request has been completed.
|
|
if (deviceExtension->SSEnable)
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead: Waiting on the IdleReqPendEvent\n"));
|
|
KeWaitForSingleObject(&deviceExtension->NoIdleReqPendEvent,
|
|
Executive,
|
|
KernelMode,
|
|
FALSE,
|
|
NULL);
|
|
|
|
}
|
|
|
|
rwContext = (PFREEBT_RW_CONTEXT) ExAllocatePool(NonPagedPool, sizeof(FREEBT_RW_CONTEXT));
|
|
if (rwContext == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: Failed to alloc mem for rwContext\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
goto FreeBT_DispatchRead_Exit;
|
|
|
|
}
|
|
|
|
if (Irp->MdlAddress)
|
|
{
|
|
totalLength = MmGetMdlByteCount(Irp->MdlAddress);
|
|
|
|
}
|
|
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: Transfer data length = %d\n", totalLength));
|
|
if (totalLength == 0)
|
|
{
|
|
ntStatus = STATUS_SUCCESS;
|
|
ExFreePool(rwContext);
|
|
goto FreeBT_DispatchRead_Exit;
|
|
|
|
}
|
|
|
|
virtualAddress = (ULONG_PTR) MmGetMdlVirtualAddress(Irp->MdlAddress);
|
|
if (totalLength > deviceExtension->DataInPipe.MaximumPacketSize)
|
|
{
|
|
stageLength = deviceExtension->DataInPipe.MaximumPacketSize;
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
stageLength = totalLength;
|
|
|
|
}
|
|
|
|
mdl = IoAllocateMdl((PVOID) virtualAddress, totalLength, FALSE, FALSE, NULL);
|
|
if (mdl == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: Failed to alloc mem for mdl\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
ExFreePool(rwContext);
|
|
goto FreeBT_DispatchRead_Exit;
|
|
|
|
}
|
|
|
|
// map the portion of user-buffer described by an mdl to another mdl
|
|
IoBuildPartialMdl(Irp->MdlAddress, mdl, (PVOID) virtualAddress, stageLength);
|
|
urb = (PURB) ExAllocatePool(NonPagedPool, sizeof(struct _URB_BULK_OR_INTERRUPT_TRANSFER));
|
|
if (urb == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: Failed to alloc mem for urb\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
ExFreePool(rwContext);
|
|
IoFreeMdl(mdl);
|
|
goto FreeBT_DispatchRead_Exit;
|
|
|
|
}
|
|
|
|
UsbBuildInterruptOrBulkTransferRequest(
|
|
urb,
|
|
sizeof(struct _URB_BULK_OR_INTERRUPT_TRANSFER),
|
|
deviceExtension->DataInPipe.PipeHandle,
|
|
NULL,
|
|
mdl,
|
|
stageLength,
|
|
USBD_SHORT_TRANSFER_OK | USBD_TRANSFER_DIRECTION_IN,
|
|
NULL);
|
|
|
|
// set FREEBT_RW_CONTEXT parameters.
|
|
rwContext->Urb = urb;
|
|
rwContext->Mdl = mdl;
|
|
rwContext->Length = totalLength - stageLength;
|
|
rwContext->Numxfer = 0;
|
|
rwContext->VirtualAddress = virtualAddress + stageLength;
|
|
|
|
// use the original read/write irp as an internal device control irp
|
|
nextStack = IoGetNextIrpStackLocation(Irp);
|
|
nextStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
|
|
nextStack->Parameters.Others.Argument1 = (PVOID) urb;
|
|
nextStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
|
|
IoSetCompletionRoutine(Irp,
|
|
(PIO_COMPLETION_ROUTINE)FreeBT_ReadCompletion,
|
|
rwContext,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE);
|
|
|
|
// We return STATUS_PENDING; call IoMarkIrpPending.
|
|
IoMarkIrpPending(Irp);
|
|
|
|
ntStatus = IoCallDriver(deviceExtension->TopOfStackDeviceObject, Irp);
|
|
if (!NT_SUCCESS(ntStatus))
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: IoCallDriver fails with status %X\n", ntStatus));
|
|
|
|
// if the device was yanked out, then the pipeInformation
|
|
// field is invalid.
|
|
// similarly if the request was cancelled, then we need not
|
|
// invoked reset pipe/device.
|
|
if((ntStatus != STATUS_CANCELLED) && (ntStatus != STATUS_DEVICE_NOT_CONNECTED))
|
|
{
|
|
ntStatus = FreeBT_ResetPipe(DeviceObject, deviceExtension->DataInPipe.PipeHandle);
|
|
if(!NT_SUCCESS(ntStatus))
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_DispatchRead: FreeBT_ResetPipe failed\n"));
|
|
ntStatus = FreeBT_ResetDevice(DeviceObject);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead: ntStatus is STATUS_CANCELLED or STATUS_DEVICE_NOT_CONNECTED\n"));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead::"));
|
|
FreeBT_IoIncrement(deviceExtension);
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead: URB sent to lower driver, IRP is pending\n"));
|
|
|
|
// we return STATUS_PENDING and not the status returned by the lower layer.
|
|
return STATUS_PENDING;
|
|
|
|
FreeBT_DispatchRead_Exit:
|
|
Irp->IoStatus.Status = ntStatus;
|
|
Irp->IoStatus.Information = 0;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchRead: Leaving\n"));
|
|
|
|
return ntStatus;
|
|
|
|
}
|
|
|
|
NTSTATUS NTAPI FreeBT_ReadCompletion(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context)
|
|
{
|
|
//ULONG stageLength;
|
|
NTSTATUS ntStatus;
|
|
//PIO_STACK_LOCATION nextStack;
|
|
PFREEBT_RW_CONTEXT rwContext;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
rwContext = (PFREEBT_RW_CONTEXT) Context;
|
|
ntStatus = Irp->IoStatus.Status;
|
|
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_ReadCompletion: Entered\n"));
|
|
|
|
if (NT_SUCCESS(ntStatus))
|
|
{
|
|
Irp->IoStatus.Information = rwContext->Urb->UrbBulkOrInterruptTransfer.TransferBufferLength;
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
Irp->IoStatus.Information = 0;
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_ReadCompletion: - failed with status = %X\n", ntStatus));
|
|
|
|
}
|
|
|
|
if (rwContext)
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_ReadCompletion: ::"));
|
|
FreeBT_IoDecrement(deviceExtension);
|
|
|
|
ExFreePool(rwContext->Urb);
|
|
IoFreeMdl(rwContext->Mdl);
|
|
ExFreePool(rwContext);
|
|
|
|
}
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_ReadCompletion: Leaving\n"));
|
|
|
|
return ntStatus;
|
|
|
|
}
|
|
|
|
// Read/Write handler
|
|
NTSTATUS NTAPI FreeBT_DispatchWrite(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
|
|
{
|
|
PMDL mdl;
|
|
PURB urb;
|
|
ULONG totalLength;
|
|
ULONG stageLength;
|
|
NTSTATUS ntStatus;
|
|
ULONG_PTR virtualAddress;
|
|
PFILE_OBJECT fileObject;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
PIO_STACK_LOCATION irpStack;
|
|
PIO_STACK_LOCATION nextStack;
|
|
PFREEBT_RW_CONTEXT rwContext;
|
|
//ULONG maxLength=0;
|
|
|
|
urb = NULL;
|
|
mdl = NULL;
|
|
rwContext = NULL;
|
|
totalLength = 0;
|
|
irpStack = IoGetCurrentIrpStackLocation(Irp);
|
|
fileObject = irpStack->FileObject;
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchWrite: Entered\n"));
|
|
|
|
if (deviceExtension->DeviceState != Working)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Invalid device state\n"));
|
|
ntStatus = STATUS_INVALID_DEVICE_STATE;
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
// Make sure that any selective suspend request has been completed.
|
|
if (deviceExtension->SSEnable)
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_WriteDispatch: Waiting on the IdleReqPendEvent\n"));
|
|
KeWaitForSingleObject(&deviceExtension->NoIdleReqPendEvent,
|
|
Executive,
|
|
KernelMode,
|
|
FALSE,
|
|
NULL);
|
|
|
|
}
|
|
|
|
rwContext = (PFREEBT_RW_CONTEXT) ExAllocatePool(NonPagedPool, sizeof(FREEBT_RW_CONTEXT));
|
|
if (rwContext == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: Failed to alloc mem for rwContext\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
if (Irp->MdlAddress)
|
|
{
|
|
totalLength = MmGetMdlByteCount(Irp->MdlAddress);
|
|
|
|
}
|
|
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Transfer data length = %d\n", totalLength));
|
|
if (totalLength>FBT_HCI_DATA_MAX_SIZE)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Buffer exceeds maximum packet length (%d), failing IRP\n", FBT_HCI_DATA_MAX_SIZE));
|
|
ntStatus = STATUS_INVALID_BUFFER_SIZE;
|
|
ExFreePool(rwContext);
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
if (totalLength<FBT_HCI_DATA_MIN_SIZE)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Zero length buffer, completing IRP\n"));
|
|
ntStatus = STATUS_BUFFER_TOO_SMALL;
|
|
ExFreePool(rwContext);
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
virtualAddress = (ULONG_PTR) MmGetMdlVirtualAddress(Irp->MdlAddress);
|
|
if (totalLength > deviceExtension->DataOutPipe.MaximumPacketSize)
|
|
{
|
|
stageLength = deviceExtension->DataOutPipe.MaximumPacketSize;
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
stageLength = totalLength;
|
|
|
|
}
|
|
|
|
mdl = IoAllocateMdl((PVOID) virtualAddress, totalLength, FALSE, FALSE, NULL);
|
|
if (mdl == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Failed to alloc mem for mdl\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
ExFreePool(rwContext);
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
// map the portion of user-buffer described by an mdl to another mdl
|
|
IoBuildPartialMdl(Irp->MdlAddress, mdl, (PVOID) virtualAddress, stageLength);
|
|
urb = (PURB) ExAllocatePool(NonPagedPool, sizeof(struct _URB_BULK_OR_INTERRUPT_TRANSFER));
|
|
if (urb == NULL)
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: Failed to alloc mem for urb\n"));
|
|
ntStatus = STATUS_INSUFFICIENT_RESOURCES;
|
|
ExFreePool(rwContext);
|
|
IoFreeMdl(mdl);
|
|
goto FreeBT_DispatchWrite_Exit;
|
|
|
|
}
|
|
|
|
UsbBuildInterruptOrBulkTransferRequest(
|
|
urb,
|
|
sizeof(struct _URB_BULK_OR_INTERRUPT_TRANSFER),
|
|
deviceExtension->DataOutPipe.PipeHandle,
|
|
NULL,
|
|
mdl,
|
|
stageLength,
|
|
USBD_SHORT_TRANSFER_OK | USBD_TRANSFER_DIRECTION_OUT,
|
|
NULL);
|
|
|
|
// set FREEBT_RW_CONTEXT parameters.
|
|
rwContext->Urb = urb;
|
|
rwContext->Mdl = mdl;
|
|
rwContext->Length = totalLength - stageLength;
|
|
rwContext->Numxfer = 0;
|
|
rwContext->VirtualAddress = virtualAddress + stageLength;
|
|
|
|
// use the original read/write irp as an internal device control irp
|
|
nextStack = IoGetNextIrpStackLocation(Irp);
|
|
nextStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
|
|
nextStack->Parameters.Others.Argument1 = (PVOID) urb;
|
|
nextStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
|
|
IoSetCompletionRoutine(Irp,
|
|
(PIO_COMPLETION_ROUTINE)FreeBT_WriteCompletion,
|
|
rwContext,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE);
|
|
|
|
// We return STATUS_PENDING; call IoMarkIrpPending.
|
|
IoMarkIrpPending(Irp);
|
|
|
|
ntStatus = IoCallDriver(deviceExtension->TopOfStackDeviceObject, Irp);
|
|
if (!NT_SUCCESS(ntStatus))
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_WriteDispatch: IoCallDriver fails with status %X\n", ntStatus));
|
|
|
|
// if the device was yanked out, then the pipeInformation
|
|
// field is invalid.
|
|
// similarly if the request was cancelled, then we need not
|
|
// invoked reset pipe/device.
|
|
if((ntStatus != STATUS_CANCELLED) && (ntStatus != STATUS_DEVICE_NOT_CONNECTED))
|
|
{
|
|
ntStatus = FreeBT_ResetPipe(DeviceObject, deviceExtension->DataOutPipe.PipeHandle);
|
|
if(!NT_SUCCESS(ntStatus))
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeBT_ResetPipe failed\n"));
|
|
ntStatus = FreeBT_ResetDevice(DeviceObject);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: ntStatus is STATUS_CANCELLED or STATUS_DEVICE_NOT_CONNECTED\n"));
|
|
|
|
}
|
|
|
|
}
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchWrite::"));
|
|
FreeBT_IoIncrement(deviceExtension);
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchWrite: URB sent to lower driver, IRP is pending\n"));
|
|
|
|
// we return STATUS_PENDING and not the status returned by the lower layer.
|
|
return STATUS_PENDING;
|
|
|
|
FreeBT_DispatchWrite_Exit:
|
|
Irp->IoStatus.Status = ntStatus;
|
|
Irp->IoStatus.Information = 0;
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_DispatchWrite: Leaving\n"));
|
|
|
|
return ntStatus;
|
|
|
|
}
|
|
|
|
NTSTATUS NTAPI FreeBT_WriteCompletion(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp, IN PVOID Context)
|
|
{
|
|
ULONG stageLength;
|
|
NTSTATUS ntStatus;
|
|
PIO_STACK_LOCATION nextStack;
|
|
PFREEBT_RW_CONTEXT rwContext;
|
|
PDEVICE_EXTENSION deviceExtension;
|
|
|
|
deviceExtension = (PDEVICE_EXTENSION) DeviceObject->DeviceExtension;
|
|
rwContext = (PFREEBT_RW_CONTEXT) Context;
|
|
ntStatus = Irp->IoStatus.Status;
|
|
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_WriteCompletion: Entered\n"));
|
|
|
|
if (NT_SUCCESS(ntStatus))
|
|
{
|
|
if (rwContext)
|
|
{
|
|
rwContext->Numxfer += rwContext->Urb->UrbBulkOrInterruptTransfer.TransferBufferLength;
|
|
if (rwContext->Length)
|
|
{
|
|
// More data to transfer
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_WriteCompletion: Initiating next transfer\n"));
|
|
if (rwContext->Length > deviceExtension->DataOutPipe.MaximumPacketSize)
|
|
{
|
|
stageLength = deviceExtension->DataOutPipe.MaximumPacketSize;
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
stageLength = rwContext->Length;
|
|
|
|
}
|
|
|
|
IoBuildPartialMdl(Irp->MdlAddress, rwContext->Mdl, (PVOID) rwContext->VirtualAddress, stageLength);
|
|
|
|
// reinitialize the urb
|
|
rwContext->Urb->UrbBulkOrInterruptTransfer.TransferBufferLength = stageLength;
|
|
rwContext->VirtualAddress += stageLength;
|
|
rwContext->Length -= stageLength;
|
|
|
|
nextStack = IoGetNextIrpStackLocation(Irp);
|
|
nextStack->MajorFunction = IRP_MJ_INTERNAL_DEVICE_CONTROL;
|
|
nextStack->Parameters.Others.Argument1 = rwContext->Urb;
|
|
nextStack->Parameters.DeviceIoControl.IoControlCode = IOCTL_INTERNAL_USB_SUBMIT_URB;
|
|
|
|
IoSetCompletionRoutine(Irp,
|
|
FreeBT_ReadCompletion,
|
|
rwContext,
|
|
TRUE,
|
|
TRUE,
|
|
TRUE);
|
|
|
|
IoCallDriver(deviceExtension->TopOfStackDeviceObject, Irp);
|
|
|
|
return STATUS_MORE_PROCESSING_REQUIRED;
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
// No more data to transfer
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeNT_WriteCompletion: Write completed, %d bytes written\n", Irp->IoStatus.Information));
|
|
Irp->IoStatus.Information = rwContext->Numxfer;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
{
|
|
FreeBT_DbgPrint(1, ("FBTUSB: FreeNT_WriteCompletion - failed with status = %X\n", ntStatus));
|
|
|
|
}
|
|
|
|
if (rwContext)
|
|
{
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_WriteCompletion: ::"));
|
|
FreeBT_IoDecrement(deviceExtension);
|
|
|
|
ExFreePool(rwContext->Urb);
|
|
IoFreeMdl(rwContext->Mdl);
|
|
ExFreePool(rwContext);
|
|
|
|
}
|
|
|
|
|
|
FreeBT_DbgPrint(3, ("FBTUSB: FreeBT_WriteCompletion: Leaving\n"));
|
|
|
|
return ntStatus;
|
|
|
|
}
|
|
|