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[CMBATT]: CmBattIoctl: Batteries are very hot-pluggable, so we need to do all the work under our remove lock. Add the logic for it.

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[CMBATT]: CmBattIoctl: If the request was for the AC adapter, pass it down to ACPI.

svn path=/trunk/; revision=46334
This commit is contained in:
Sir Richard 2010-03-22 01:56:20 +00:00
parent 01e54afe0a
commit 6bd098b58b
1 changed files with 29 additions and 5 deletions
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34
reactos/drivers/bus/acpi/cmbatt/cmbatt.c
View file

@ -348,23 +348,47 @@ Complete:
NTSTATUS
NTAPI
CmBattIoctl(PDEVICE_OBJECT DeviceObject,
PIRP Irp)
CmBattIoctl(IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp)
{
PCMBATT_DEVICE_EXTENSION DeviceExtension = DeviceObject->DeviceExtension;
NTSTATUS Status;
PAGED_CODE();
if (CmBattDebug & 2) DbgPrint("CmBattIoctl\n");
Status = BatteryClassIoctl(DeviceExtension->ClassData,
Irp);
/* Acquire the remove lock */
Status = IoAcquireRemoveLock(&DeviceExtension->RemoveLock, 0);
if (!NT_SUCCESS(Status))
{
/* It's too late, fail */
Irp->IoStatus.Status = STATUS_DEVICE_REMOVED;
IofCompleteRequest(Irp, IO_NO_INCREMENT);
return STATUS_DEVICE_REMOVED;
}
/* There's nothing to do for an AC adapter */
if (DeviceExtension->FdoType == CmBattAcAdapter)
{
/* Pass it down, and release the remove lock */
IoSkipCurrentIrpStackLocation(Irp);
Status = IoCallDriver(DeviceExtension->AttachedDevice, Irp);
IoReleaseRemoveLock(&DeviceExtension->RemoveLock, Irp);
return Status;
}
/* Send to class driver */
Status = BatteryClassIoctl(DeviceExtension->ClassData, Irp);
if (Status == STATUS_NOT_SUPPORTED)
{
/* FIXME: Should handle custom codes here */
Irp->IoStatus.Status = Status;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
}
/* Release the remove lock and return status */
IoReleaseRemoveLock(&DeviceExtension->RemoveLock, Irp);
return Status;
}