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[KBDHID][MOUHID]

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- Free device resources

svn path=/trunk/; revision=58993
This commit is contained in:
Thomas Faber 2013-05-11 12:17:36 +00:00
parent 22de130758
commit aec2159f30
2 changed files with 95 additions and 0 deletions
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48
reactos/drivers/hid/kbdhid/kbdhid.c
View file

@ -771,6 +771,47 @@ KbdHid_StartDeviceCompletion(
return STATUS_MORE_PROCESSING_REQUIRED; return STATUS_MORE_PROCESSING_REQUIRED;
} }
NTSTATUS
NTAPI
KbdHid_FreeResources(
IN PDEVICE_OBJECT DeviceObject)
{
PKBDHID_DEVICE_EXTENSION DeviceExtension;
/* get device extension */
DeviceExtension = DeviceObject->DeviceExtension;
/* free resources */
if (DeviceExtension->PreparsedData)
{
ExFreePool(DeviceExtension->PreparsedData);
DeviceExtension->PreparsedData = NULL;
}
if (DeviceExtension->CurrentUsageList)
{
ExFreePool(DeviceExtension->CurrentUsageList);
DeviceExtension->CurrentUsageList = NULL;
DeviceExtension->PreviousUsageList = NULL;
DeviceExtension->MakeUsageList = NULL;
DeviceExtension->BreakUsageList = NULL;
}
if (DeviceExtension->ReportMDL)
{
IoFreeMdl(DeviceExtension->ReportMDL);
DeviceExtension->ReportMDL = NULL;
}
if (DeviceExtension->Report)
{
ExFreePool(DeviceExtension->Report);
DeviceExtension->Report = NULL;
}
return STATUS_SUCCESS;
}
NTSTATUS NTSTATUS
NTAPI NTAPI
KbdHid_Flush( KbdHid_Flush(
@ -818,6 +859,10 @@ KbdHid_Pnp(
switch (IoStack->MinorFunction) switch (IoStack->MinorFunction)
{ {
case IRP_MN_STOP_DEVICE: case IRP_MN_STOP_DEVICE:
case IRP_MN_SURPRISE_REMOVAL:
/* free resources */
KbdHid_FreeResources(DeviceObject);
/* fall through */
case IRP_MN_CANCEL_REMOVE_DEVICE: case IRP_MN_CANCEL_REMOVE_DEVICE:
case IRP_MN_QUERY_STOP_DEVICE: case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_CANCEL_STOP_DEVICE: case IRP_MN_CANCEL_STOP_DEVICE:
@ -837,6 +882,9 @@ KbdHid_Pnp(
/* cancel irp */ /* cancel irp */
IoCancelIrp(DeviceExtension->Irp); IoCancelIrp(DeviceExtension->Irp);
/* free resources */
KbdHid_FreeResources(DeviceObject);
/* indicate success */ /* indicate success */
Irp->IoStatus.Status = STATUS_SUCCESS; Irp->IoStatus.Status = STATUS_SUCCESS;

47
reactos/drivers/hid/mouhid/mouhid.c
View file

@ -902,6 +902,47 @@ MouHid_StartDeviceCompletion(
return STATUS_MORE_PROCESSING_REQUIRED; return STATUS_MORE_PROCESSING_REQUIRED;
} }
NTSTATUS
NTAPI
MouHid_FreeResources(
IN PDEVICE_OBJECT DeviceObject)
{
PMOUHID_DEVICE_EXTENSION DeviceExtension;
/* get device extension */
DeviceExtension = DeviceObject->DeviceExtension;
/* free resources */
if (DeviceExtension->PreparsedData)
{
ExFreePool(DeviceExtension->PreparsedData);
DeviceExtension->PreparsedData = NULL;
}
if (DeviceExtension->CurrentUsageList)
{
ExFreePool(DeviceExtension->CurrentUsageList);
DeviceExtension->CurrentUsageList = NULL;
DeviceExtension->PreviousUsageList = NULL;
DeviceExtension->MakeUsageList = NULL;
DeviceExtension->BreakUsageList = NULL;
}
if (DeviceExtension->ReportMDL)
{
IoFreeMdl(DeviceExtension->ReportMDL);
DeviceExtension->ReportMDL = NULL;
}
if (DeviceExtension->Report)
{
ExFreePool(DeviceExtension->Report);
DeviceExtension->Report = NULL;
}
return STATUS_SUCCESS;
}
NTSTATUS NTSTATUS
NTAPI NTAPI
MouHid_Flush( MouHid_Flush(
@ -949,6 +990,9 @@ MouHid_Pnp(
switch (IoStack->MinorFunction) switch (IoStack->MinorFunction)
{ {
case IRP_MN_STOP_DEVICE: case IRP_MN_STOP_DEVICE:
case IRP_MN_SURPRISE_REMOVAL:
/* free resources */
MouHid_FreeResources(DeviceObject);
case IRP_MN_CANCEL_REMOVE_DEVICE: case IRP_MN_CANCEL_REMOVE_DEVICE:
case IRP_MN_QUERY_STOP_DEVICE: case IRP_MN_QUERY_STOP_DEVICE:
case IRP_MN_CANCEL_STOP_DEVICE: case IRP_MN_CANCEL_STOP_DEVICE:
@ -971,6 +1015,9 @@ MouHid_Pnp(
/* cancel irp */ /* cancel irp */
IoCancelIrp(DeviceExtension->Irp); IoCancelIrp(DeviceExtension->Irp);
/* free resources */
MouHid_FreeResources(DeviceObject);
/* indicate success */ /* indicate success */
Irp->IoStatus.Status = STATUS_SUCCESS; Irp->IoStatus.Status = STATUS_SUCCESS;