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Try to retrieve the resource list before starting a pnp device.

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svn path=/trunk/; revision=10545
This commit is contained in:
Eric Kohl 2004-08-14 22:47:08 +00:00
parent 4bf8b7d19b
commit 525f112e0c
1 changed files with 27 additions and 3 deletions
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30
reactos/ntoskrnl/io/device.c
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@ -1,4 +1,4 @@
/* $Id: device.c,v 1.72 2004/08/12 16:43:12 ion Exp $
/* $Id: device.c,v 1.73 2004/08/14 22:47:08 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -40,6 +40,7 @@ IopInitializeDevice(
IO_STATUS_BLOCK IoStatusBlock;
IO_STACK_LOCATION Stack;
PDEVICE_OBJECT Fdo;
PCM_RESOURCE_LIST ResourceList = NULL;
NTSTATUS Status;
if (DriverObject->DriverExtension->AddDevice)
@ -72,10 +73,25 @@ IopInitializeDevice(
IopDeviceNodeSetFlag(DeviceNode, DNF_ADDED);
/* Query resource list from PDO */
Status = IopInitiatePnpIrp(
DeviceNode->Pdo,
&IoStatusBlock,
IRP_MN_QUERY_RESOURCES,
&Stack);
if (!NT_SUCCESS(Status))
{
DPRINT("IopInitiatePnpIrp() failed\n");
ObDereferenceObject(Fdo);
return Status;
}
ResourceList = (PCM_RESOURCE_LIST)IoStatusBlock.Information;
DPRINT("Sending IRP_MN_START_DEVICE to driver\n");
/* FIXME: Put some resources in the IRP for the device */
Stack.Parameters.StartDevice.AllocatedResources = NULL;
Stack.Parameters.StartDevice.AllocatedResources = ResourceList;
/* FIXME: Translate the resource list */
Stack.Parameters.StartDevice.AllocatedResourcesTranslated = NULL;
Status = IopInitiatePnpIrp(
@ -87,6 +103,8 @@ IopInitializeDevice(
if (!NT_SUCCESS(Status))
{
DPRINT("IopInitiatePnpIrp() failed\n");
if (ResourceList != NULL)
ExFreePool(ResourceList);
ObDereferenceObject(Fdo);
return Status;
}
@ -99,6 +117,8 @@ IopInitializeDevice(
if (!NT_SUCCESS(Status))
{
if (ResourceList != NULL)
ExFreePool(ResourceList);
ObDereferenceObject(Fdo);
return Status;
}
@ -116,6 +136,10 @@ IopInitializeDevice(
}
#endif /* ACPI */
}
if (ResourceList != NULL)
ExFreePool(ResourceList);
ObDereferenceObject(Fdo);
}