PDEVICE_NODE DeviceNode)
{
NTSTATUS Status;
- HANDLE InstanceHandle = INVALID_HANDLE_VALUE, ControlHandle = INVALID_HANDLE_VALUE;
+ HANDLE InstanceHandle = NULL, ControlHandle = NULL;
UNICODE_STRING KeyName;
OBJECT_ATTRIBUTES ObjectAttributes;
// }
ByeBye:
- if (ControlHandle != INVALID_HANDLE_VALUE)
+ if (ControlHandle != NULL)
ZwClose(ControlHandle);
- if (InstanceHandle != INVALID_HANDLE_VALUE)
+ if (InstanceHandle != NULL)
ZwClose(InstanceHandle);
return Status;
IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
PVOID Context)
{
- IO_STATUS_BLOCK IoStatusBlock;
- PDEVICE_NODE ParentDeviceNode;
- WCHAR InstancePath[MAX_PATH];
- IO_STACK_LOCATION Stack;
- NTSTATUS Status;
- ULONG RequiredLength;
- LCID LocaleId;
- HANDLE InstanceKey = NULL;
- UNICODE_STRING ValueName;
- UNICODE_STRING ParentIdPrefix = { 0, 0, NULL };
- UNICODE_STRING InstancePathU;
- DEVICE_CAPABILITIES DeviceCapabilities;
- PDEVICE_OBJECT OldDeviceObject;
+ IO_STATUS_BLOCK IoStatusBlock;
+ PWSTR InformationString;
+ PDEVICE_NODE ParentDeviceNode;
+ WCHAR InstancePath[MAX_PATH];
+ IO_STACK_LOCATION Stack;
+ NTSTATUS Status;
+ ULONG RequiredLength;
+ LCID LocaleId;
+ HANDLE InstanceKey = NULL;
+ UNICODE_STRING ValueName;
+ UNICODE_STRING ParentIdPrefix = { 0, 0, NULL };
+ UNICODE_STRING InstancePathU;
+ DEVICE_CAPABILITIES DeviceCapabilities;
+ PDEVICE_OBJECT OldDeviceObject;
- DPRINT("IopActionInterrogateDeviceStack(%p, %p)\n", DeviceNode, Context);
- DPRINT("PDO 0x%p\n", DeviceNode->PhysicalDeviceObject);
+ DPRINT("IopActionInterrogateDeviceStack(%p, %p)\n", DeviceNode, Context);
+ DPRINT("PDO 0x%p\n", DeviceNode->PhysicalDeviceObject);
- ParentDeviceNode = (PDEVICE_NODE)Context;
+ ParentDeviceNode = (PDEVICE_NODE)Context;
- /*
- * We are called for the parent too, but we don't need to do special
- * handling for this node
- */
+ /*
+ * We are called for the parent too, but we don't need to do special
+ * handling for this node
+ */
+ if (DeviceNode == ParentDeviceNode)
+ {
+ DPRINT("Success\n");
+ return STATUS_SUCCESS;
+ }
- if (DeviceNode == ParentDeviceNode)
- {
- DPRINT("Success\n");
- return STATUS_SUCCESS;
- }
+ /*
+ * Make sure this device node is a direct child of the parent device node
+ * that is given as an argument
+ */
+ if (DeviceNode->Parent != ParentDeviceNode)
+ {
+ DPRINT("Skipping 2+ level child\n");
+ return STATUS_SUCCESS;
+ }
- /*
- * Make sure this device node is a direct child of the parent device node
- * that is given as an argument
- */
+ /* Skip processing if it was already completed before */
+ if (DeviceNode->Flags & DNF_PROCESSED)
+ {
+ /* Nothing to do */
+ return STATUS_SUCCESS;
+ }
- if (DeviceNode->Parent != ParentDeviceNode)
- {
- DPRINT("Skipping 2+ level child\n");
- return STATUS_SUCCESS;
- }
+ /* Get Locale ID */
+ Status = ZwQueryDefaultLocale(FALSE, &LocaleId);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwQueryDefaultLocale() failed with status 0x%lx\n", Status);
+ return Status;
+ }
- /* Skip processing if it was already completed before */
- if (DeviceNode->Flags & DNF_PROCESSED)
- {
- /* Nothing to do */
- return STATUS_SUCCESS;
- }
+ /*
+ * FIXME: For critical errors, cleanup and disable device, but always
+ * return STATUS_SUCCESS.
+ */
- /* Get Locale ID */
- Status = ZwQueryDefaultLocale(FALSE, &LocaleId);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwQueryDefaultLocale() failed with status 0x%lx\n", Status);
- return Status;
- }
+ DPRINT("Sending IRP_MN_QUERY_ID.BusQueryDeviceID to device stack\n");
- /*
- * FIXME: For critical errors, cleanup and disable device, but always
- * return STATUS_SUCCESS.
- */
+ Stack.Parameters.QueryId.IdType = BusQueryDeviceID;
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopInitiatePnpIrp() failed (Status %x)\n", Status);
- DPRINT("Sending IRP_MN_QUERY_ID.BusQueryDeviceID to device stack\n");
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
+ }
- Stack.Parameters.QueryId.IdType = BusQueryDeviceID;
- Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
- if (NT_SUCCESS(Status))
- {
- /* Copy the device id string */
- wcscpy(InstancePath, (PWSTR)IoStatusBlock.Information);
+ /* Copy the device id string */
+ InformationString = (PWSTR)IoStatusBlock.Information;
+ wcscpy(InstancePath, InformationString);
- /*
- * FIXME: Check for valid characters, if there is invalid characters
- * then bugcheck.
- */
- }
- else
- {
- DPRINT1("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ /*
+ * FIXME: Check for valid characters, if there is invalid characters
+ * then bugcheck.
+ */
- /* We have to return success otherwise we abort the traverse operation */
- return STATUS_SUCCESS;
- }
+ ExFreePoolWithTag(InformationString, 0);
- DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack (after enumeration)\n");
+ DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack (after enumeration)\n");
- Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
- /* We have to return success otherwise we abort the traverse operation */
- return STATUS_SUCCESS;
- }
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
+ }
- /* This bit is only check after enumeration */
- if (DeviceCapabilities.HardwareDisabled)
- {
- /* FIXME: Cleanup device */
- DeviceNode->Flags |= DNF_DISABLED;
- return STATUS_SUCCESS;
- }
- else
- DeviceNode->Flags &= ~DNF_DISABLED;
+ /* This bit is only check after enumeration */
+ if (DeviceCapabilities.HardwareDisabled)
+ {
+ /* FIXME: Cleanup device */
+ DeviceNode->Flags |= DNF_DISABLED;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ DeviceNode->Flags &= ~DNF_DISABLED;
+ }
- if (!DeviceCapabilities.UniqueID)
- {
- /* Device has not a unique ID. We need to prepend parent bus unique identifier */
- DPRINT("Instance ID is not unique\n");
- Status = IopGetParentIdPrefix(DeviceNode, &ParentIdPrefix);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("IopGetParentIdPrefix() failed (Status 0x%08lx)\n", Status);
+ if (!DeviceCapabilities.UniqueID)
+ {
+ /* Device has not a unique ID. We need to prepend parent bus unique identifier */
+ DPRINT("Instance ID is not unique\n");
+ Status = IopGetParentIdPrefix(DeviceNode, &ParentIdPrefix);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("IopGetParentIdPrefix() failed (Status 0x%08lx)\n", Status);
- /* We have to return success otherwise we abort the traverse operation */
- return STATUS_SUCCESS;
- }
- }
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
+ }
+ }
- DPRINT("Sending IRP_MN_QUERY_ID.BusQueryInstanceID to device stack\n");
+ DPRINT("Sending IRP_MN_QUERY_ID.BusQueryInstanceID to device stack\n");
- Stack.Parameters.QueryId.IdType = BusQueryInstanceID;
- Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
- if (NT_SUCCESS(Status))
- {
- /* Append the instance id string */
- wcscat(InstancePath, L"\\");
- if (ParentIdPrefix.Length > 0)
- {
- /* Add information from parent bus device to InstancePath */
- wcscat(InstancePath, ParentIdPrefix.Buffer);
- if (IoStatusBlock.Information && *(PWSTR)IoStatusBlock.Information)
- wcscat(InstancePath, L"&");
- }
- if (IoStatusBlock.Information)
- wcscat(InstancePath, (PWSTR)IoStatusBlock.Information);
+ Stack.Parameters.QueryId.IdType = BusQueryInstanceID;
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
+ if (NT_SUCCESS(Status))
+ {
+ InformationString = (PWSTR)IoStatusBlock.Information;
- /*
- * FIXME: Check for valid characters, if there is invalid characters
- * then bugcheck
- */
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
- }
- RtlFreeUnicodeString(&ParentIdPrefix);
+ /* Append the instance id string */
+ wcscat(InstancePath, L"\\");
+ if (ParentIdPrefix.Length > 0)
+ {
+ /* Add information from parent bus device to InstancePath */
+ wcscat(InstancePath, ParentIdPrefix.Buffer);
+ if (InformationString && *InformationString)
+ {
+ wcscat(InstancePath, L"&");
+ }
+ }
+ if (InformationString)
+ {
+ wcscat(InstancePath, InformationString);
+ }
- if (!RtlCreateUnicodeString(&InstancePathU, InstancePath))
- {
- DPRINT("No resources\n");
- /* FIXME: Cleanup and disable device */
- }
+ /*
+ * FIXME: Check for valid characters, if there is invalid characters
+ * then bugcheck
+ */
- /* Verify that this is not a duplicate */
- OldDeviceObject = IopGetDeviceObjectFromDeviceInstance(&InstancePathU);
- if (OldDeviceObject != NULL)
- {
- PDEVICE_NODE OldDeviceNode = IopGetDeviceNode(OldDeviceObject);
+ if (InformationString)
+ {
+ ExFreePoolWithTag(InformationString, 0);
+ }
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
+ }
+ RtlFreeUnicodeString(&ParentIdPrefix);
- DPRINT1("Duplicate device instance '%wZ'\n", &InstancePathU);
- DPRINT1("Current instance parent: '%wZ'\n", &DeviceNode->Parent->InstancePath);
- DPRINT1("Old instance parent: '%wZ'\n", &OldDeviceNode->Parent->InstancePath);
+ if (!RtlCreateUnicodeString(&InstancePathU, InstancePath))
+ {
+ DPRINT("No resources\n");
+ /* FIXME: Cleanup and disable device */
+ }
- KeBugCheckEx(PNP_DETECTED_FATAL_ERROR,
- 0x01,
- (ULONG_PTR)DeviceNode->PhysicalDeviceObject,
- (ULONG_PTR)OldDeviceObject,
- 0);
- }
+ /* Verify that this is not a duplicate */
+ OldDeviceObject = IopGetDeviceObjectFromDeviceInstance(&InstancePathU);
+ if (OldDeviceObject != NULL)
+ {
+ PDEVICE_NODE OldDeviceNode = IopGetDeviceNode(OldDeviceObject);
- DeviceNode->InstancePath = InstancePathU;
+ DPRINT1("Duplicate device instance '%wZ'\n", &InstancePathU);
+ DPRINT1("Current instance parent: '%wZ'\n", &DeviceNode->Parent->InstancePath);
+ DPRINT1("Old instance parent: '%wZ'\n", &OldDeviceNode->Parent->InstancePath);
- DPRINT("InstancePath is %S\n", DeviceNode->InstancePath.Buffer);
+ KeBugCheckEx(PNP_DETECTED_FATAL_ERROR,
+ 0x01,
+ (ULONG_PTR)DeviceNode->PhysicalDeviceObject,
+ (ULONG_PTR)OldDeviceObject,
+ 0);
+ }
- /*
- * Create registry key for the instance id, if it doesn't exist yet
- */
- Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
+ DeviceNode->InstancePath = InstancePathU;
- /* We have to return success otherwise we abort the traverse operation */
- return STATUS_SUCCESS;
- }
+ DPRINT("InstancePath is %S\n", DeviceNode->InstancePath.Buffer);
- IopQueryHardwareIds(DeviceNode, InstanceKey);
+ /*
+ * Create registry key for the instance id, if it doesn't exist yet
+ */
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, 0, &InstanceKey);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
- IopQueryCompatibleIds(DeviceNode, InstanceKey);
+ /* We have to return success otherwise we abort the traverse operation */
+ return STATUS_SUCCESS;
+ }
- DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextDescription to device stack\n");
+ IopQueryHardwareIds(DeviceNode, InstanceKey);
- Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextDescription;
- Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_DEVICE_TEXT,
- &Stack);
- /* This key is mandatory, so even if the Irp fails, we still write it */
- RtlInitUnicodeString(&ValueName, L"DeviceDesc");
- if (ZwQueryValueKey(InstanceKey, &ValueName, KeyValueBasicInformation, NULL, 0, &RequiredLength) == STATUS_OBJECT_NAME_NOT_FOUND)
- {
- if (NT_SUCCESS(Status) &&
- IoStatusBlock.Information &&
- (*(PWSTR)IoStatusBlock.Information != 0))
- {
- /* This key is overriden when a driver is installed. Don't write the
- * new description if another one already exists */
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_SZ,
- (PVOID)IoStatusBlock.Information,
- ((ULONG)wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
- }
- else
- {
- UNICODE_STRING DeviceDesc = RTL_CONSTANT_STRING(L"Unknown device");
- DPRINT("Driver didn't return DeviceDesc (Status 0x%08lx), so place unknown device there\n", Status);
+ IopQueryCompatibleIds(DeviceNode, InstanceKey);
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_SZ,
- DeviceDesc.Buffer,
- DeviceDesc.MaximumLength);
+ DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextDescription to device stack\n");
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status 0x%lx)\n", Status);
- }
+ Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextDescription;
+ Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_TEXT,
+ &Stack);
+ InformationString = NT_SUCCESS(Status) ? (PWSTR)IoStatusBlock.Information
+ : NULL;
+ /* This key is mandatory, so even if the Irp fails, we still write it */
+ RtlInitUnicodeString(&ValueName, L"DeviceDesc");
+ if (ZwQueryValueKey(InstanceKey, &ValueName, KeyValueBasicInformation, NULL, 0, &RequiredLength) == STATUS_OBJECT_NAME_NOT_FOUND)
+ {
+ if (InformationString &&
+ *InformationString != UNICODE_NULL)
+ {
+ /* This key is overriden when a driver is installed. Don't write the
+ * new description if another one already exists */
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_SZ,
+ InformationString,
+ ((ULONG)wcslen(InformationString) + 1) * sizeof(WCHAR));
+ }
+ else
+ {
+ UNICODE_STRING DeviceDesc = RTL_CONSTANT_STRING(L"Unknown device");
+ DPRINT("Driver didn't return DeviceDesc (Status 0x%08lx), so place unknown device there\n", Status);
- }
- }
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_SZ,
+ DeviceDesc.Buffer,
+ DeviceDesc.MaximumLength);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwSetValueKey() failed (Status 0x%lx)\n", Status);
+ }
- DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextLocation to device stack\n");
+ }
+ }
- Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextLocationInformation;
- Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_DEVICE_TEXT,
- &Stack);
- if (NT_SUCCESS(Status) && IoStatusBlock.Information)
- {
- DPRINT("LocationInformation: %S\n", (PWSTR)IoStatusBlock.Information);
- RtlInitUnicodeString(&ValueName, L"LocationInformation");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_SZ,
- (PVOID)IoStatusBlock.Information,
- ((ULONG)wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
- if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
- }
+ if (InformationString)
+ {
+ ExFreePoolWithTag(InformationString, 0);
+ }
- DPRINT("Sending IRP_MN_QUERY_BUS_INFORMATION to device stack\n");
+ DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextLocation to device stack\n");
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_BUS_INFORMATION,
- NULL);
- if (NT_SUCCESS(Status) && IoStatusBlock.Information)
- {
- PPNP_BUS_INFORMATION BusInformation =
- (PPNP_BUS_INFORMATION)IoStatusBlock.Information;
+ Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextLocationInformation;
+ Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_DEVICE_TEXT,
+ &Stack);
+ if (NT_SUCCESS(Status) && IoStatusBlock.Information)
+ {
+ InformationString = (PWSTR)IoStatusBlock.Information;
+ DPRINT("LocationInformation: %S\n", InformationString);
+ RtlInitUnicodeString(&ValueName, L"LocationInformation");
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_SZ,
+ InformationString,
+ ((ULONG)wcslen(InformationString) + 1) * sizeof(WCHAR));
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
+ }
- DeviceNode->ChildBusNumber = BusInformation->BusNumber;
- DeviceNode->ChildInterfaceType = BusInformation->LegacyBusType;
- DeviceNode->ChildBusTypeIndex = IopGetBusTypeGuidIndex(&BusInformation->BusTypeGuid);
- ExFreePool(BusInformation);
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
+ ExFreePoolWithTag(InformationString, 0);
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
+ }
- DeviceNode->ChildBusNumber = 0xFFFFFFF0;
- DeviceNode->ChildInterfaceType = InterfaceTypeUndefined;
- DeviceNode->ChildBusTypeIndex = -1;
- }
+ DPRINT("Sending IRP_MN_QUERY_BUS_INFORMATION to device stack\n");
- DPRINT("Sending IRP_MN_QUERY_RESOURCES to device stack\n");
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_BUS_INFORMATION,
+ NULL);
+ if (NT_SUCCESS(Status) && IoStatusBlock.Information)
+ {
+ PPNP_BUS_INFORMATION BusInformation = (PPNP_BUS_INFORMATION)IoStatusBlock.Information;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_RESOURCES,
- NULL);
- if (NT_SUCCESS(Status) && IoStatusBlock.Information)
- {
- DeviceNode->BootResources =
- (PCM_RESOURCE_LIST)IoStatusBlock.Information;
- IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
- DeviceNode->BootResources = NULL;
- }
+ DeviceNode->ChildBusNumber = BusInformation->BusNumber;
+ DeviceNode->ChildInterfaceType = BusInformation->LegacyBusType;
+ DeviceNode->ChildBusTypeIndex = IopGetBusTypeGuidIndex(&BusInformation->BusTypeGuid);
+ ExFreePoolWithTag(BusInformation, 0);
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
- DPRINT("Sending IRP_MN_QUERY_RESOURCE_REQUIREMENTS to device stack\n");
+ DeviceNode->ChildBusNumber = 0xFFFFFFF0;
+ DeviceNode->ChildInterfaceType = InterfaceTypeUndefined;
+ DeviceNode->ChildBusTypeIndex = -1;
+ }
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_RESOURCE_REQUIREMENTS,
- NULL);
- if (NT_SUCCESS(Status))
- {
- DeviceNode->ResourceRequirements =
- (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %08lx)\n", Status);
- DeviceNode->ResourceRequirements = NULL;
- }
+ DPRINT("Sending IRP_MN_QUERY_RESOURCES to device stack\n");
- if (InstanceKey != NULL)
- {
- IopSetDeviceInstanceData(InstanceKey, DeviceNode);
- }
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_RESOURCES,
+ NULL);
+ if (NT_SUCCESS(Status) && IoStatusBlock.Information)
+ {
+ DeviceNode->BootResources = (PCM_RESOURCE_LIST)IoStatusBlock.Information;
+ IopDeviceNodeSetFlag(DeviceNode, DNF_HAS_BOOT_CONFIG);
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %x) or IoStatusBlock.Information=NULL\n", Status);
+ DeviceNode->BootResources = NULL;
+ }
+
+ DPRINT("Sending IRP_MN_QUERY_RESOURCE_REQUIREMENTS to device stack\n");
+
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_RESOURCE_REQUIREMENTS,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ DeviceNode->ResourceRequirements = (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
+ }
+ else
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status %08lx)\n", Status);
+ DeviceNode->ResourceRequirements = NULL;
+ }
+
+ if (InstanceKey != NULL)
+ {
+ IopSetDeviceInstanceData(InstanceKey, DeviceNode);
+ }
- ZwClose(InstanceKey);
+ ZwClose(InstanceKey);
- IopDeviceNodeSetFlag(DeviceNode, DNF_PROCESSED);
+ IopDeviceNodeSetFlag(DeviceNode, DNF_PROCESSED);
- if (!IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
- {
- /* Report the device to the user-mode pnp manager */
- IopQueueTargetDeviceEvent(&GUID_DEVICE_ENUMERATED,
- &DeviceNode->InstancePath);
- }
+ if (!IopDeviceNodeHasFlag(DeviceNode, DNF_LEGACY_DRIVER))
+ {
+ /* Report the device to the user-mode pnp manager */
+ IopQueueTargetDeviceEvent(&GUID_DEVICE_ENUMERATED,
+ &DeviceNode->InstancePath);
+ }
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
static