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[HIDUSB]

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- Plug a memory leak in HidUsb_GetReportDescriptor
- Do not try to free in the middle of a pool block on IRP_MN_STOP_DEVICE
- Implement HidPower
- Do not access an IRP after completing it in HidCreate
- Do not waste a stack location in HidSystemControl

svn path=/trunk/; revision=59010
This commit is contained in:
Thomas Faber 2013-05-12 18:24:12 +00:00
parent a5852729fa
commit ab06a44464
1 changed files with 18 additions and 19 deletions
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37
reactos/drivers/hid/hidusb/hidusb.c
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@ -311,6 +311,11 @@ HidCreate(
//
ASSERT(IoStack->MajorFunction == IRP_MJ_CREATE || IoStack->MajorFunction == IRP_MJ_CLOSE);
//
// informational debug print
//
DPRINT("HIDUSB Request: %x\n", IoStack->MajorFunction);
//
// complete request
//
@ -318,11 +323,6 @@ HidCreate(
Irp->IoStatus.Status = STATUS_SUCCESS;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
//
// informal debug print
//
DPRINT("HIDUSB Request: %x\n", IoStack->MajorFunction);
//
// done
//
@ -714,6 +714,11 @@ HidUsb_GetReportDescriptor(
//
Irp->IoStatus.Information = Length;
//
// free the report buffer
//
ExFreePoolWithTag(Report, HIDUSB_TAG);
//
// done
//
@ -909,9 +914,12 @@ HidPower(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
UNIMPLEMENTED
ASSERT(FALSE);
return STATUS_NOT_IMPLEMENTED;
PHID_DEVICE_EXTENSION DeviceExtension;
DeviceExtension = DeviceObject->DeviceExtension;
PoStartNextPowerIrp(Irp);
IoSkipCurrentIrpStackLocation(Irp);
return PoCallDriver(DeviceExtension->NextDeviceObject, Irp);
}
NTSTATUS
@ -928,9 +936,9 @@ HidSystemControl(
DeviceExtension = DeviceObject->DeviceExtension;
//
// copy stack location
// skip stack location
//
IoCopyCurrentIrpStackLocationToNext(Irp);
IoSkipCurrentIrpStackLocation(Irp);
//
// submit request
@ -1720,15 +1728,6 @@ HidPnp(
Status = Irp->IoStatus.Status;
}
//
// free resources
//
if (HidDeviceExtension->HidDescriptor)
{
ExFreePoolWithTag(HidDeviceExtension->HidDescriptor, HIDUSB_TAG);
HidDeviceExtension->HidDescriptor = NULL;
}
//
// done
//