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hidclass.sys: Use MmGetSystemAddressForMdlSafe to access MDL data.

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Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Aric Stewart <aric@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-10-16 08:59:23 +02:00 committed by Alexandre Julliard
parent ddfc5275af
commit 6d8eb8ba0c
1 changed files with 3 additions and 3 deletions
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6
dlls/hidclass.sys/device.c
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@ -419,7 +419,7 @@ static NTSTATUS handle_minidriver_string(DEVICE_OBJECT *device, IRP *irp, SHORT
if (status == STATUS_SUCCESS)
{
WCHAR *out_buffer = (WCHAR*)(((BYTE*)irp->MdlAddress->StartVa) + irp->MdlAddress->ByteOffset);
WCHAR *out_buffer = MmGetSystemAddressForMdlSafe(irp->MdlAddress, NormalPagePriority);
int length = irpsp->Parameters.DeviceIoControl.OutputBufferLength/sizeof(WCHAR);
TRACE("got string %s from minidriver\n",debugstr_w(buffer));
lstrcpynW(out_buffer, buffer, length);
@ -440,7 +440,7 @@ static NTSTATUS HID_get_feature(DEVICE_OBJECT *device, IRP *irp)
irp->IoStatus.Information = 0;
out_buffer = (((BYTE*)irp->MdlAddress->StartVa) + irp->MdlAddress->ByteOffset);
out_buffer = MmGetSystemAddressForMdlSafe(irp->MdlAddress, NormalPagePriority);
TRACE_(hid_report)("Device %p Buffer length %i Buffer %p\n", device, irpsp->Parameters.DeviceIoControl.OutputBufferLength, out_buffer);
len = sizeof(*packet) + irpsp->Parameters.DeviceIoControl.OutputBufferLength;
@ -569,7 +569,7 @@ NTSTATUS WINAPI HID_Device_ioctl(DEVICE_OBJECT *device, IRP *irp)
case IOCTL_HID_GET_INPUT_REPORT:
{
HID_XFER_PACKET packet;
BYTE* buffer = ((BYTE*)irp->MdlAddress->StartVa) + irp->MdlAddress->ByteOffset;
BYTE *buffer = MmGetSystemAddressForMdlSafe(irp->MdlAddress, NormalPagePriority);
if (extension->preparseData->InputReports[0].reportID)
packet.reportId = buffer[0];