PUNICODE_STRING Service;
UNICODE_STRING ClassGUID;
NTSTATUS Status;
+ DEVICE_CAPABILITIES DeviceCaps;
DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
if (Service->Buffer == NULL)
{
- IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ if (NT_SUCCESS(IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps)) &&
+ DeviceCaps.RawDeviceOK)
+ {
+ DPRINT1("%wZ is using parent bus driver (%wZ)\n", &DeviceNode->InstancePath, &ParentDeviceNode->ServiceName);
+
+ DeviceNode->ServiceName.Length = 0;
+ DeviceNode->ServiceName.MaximumLength = ParentDeviceNode->ServiceName.MaximumLength;
+ DeviceNode->ServiceName.Buffer = ExAllocatePool(PagedPool, DeviceNode->ServiceName.MaximumLength);
+ if (!DeviceNode->ServiceName.Buffer)
+ return STATUS_SUCCESS;
- if (ClassGUID.Length != 0)
+ RtlCopyUnicodeString(&DeviceNode->ServiceName, &ParentDeviceNode->ServiceName);
+
+ IopDeviceNodeSetFlag(DeviceNode, DNF_LEGACY_DRIVER);
+ }
+ else if (ClassGUID.Length != 0)
{
/* Device has a ClassGUID value, but no Service value.
* Suppose it is using the NULL driver, so state the
DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
}
+ else
+ {
+ IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ }
return STATUS_SUCCESS;
}