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Don't assume that a device without driver doesn't need any driver. It can simply not be installed
Better debugging messages svn path=/trunk/; revision=27000
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5423d567cc
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@ -2806,7 +2806,7 @@ NtCancelIoFile(IN HANDLE FileHandle,
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}
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/* Lower the IRQL */
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KeLowerIrql(OldIrql);
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KfLowerIrql(OldIrql);
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}
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}
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@ -786,14 +786,11 @@ IopResetDevice(PPLUGPLAY_CONTROL_RESET_DEVICE_DATA ResetDeviceData)
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NTSTATUS Status = STATUS_SUCCESS;
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UNICODE_STRING DeviceInstance;
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DPRINT("IopResetDevice() called\n");
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DPRINT("Device name: %wZ\n", &ResetDeviceData->DeviceInstance);
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Status = IopCaptureUnicodeString(&DeviceInstance, &ResetDeviceData->DeviceInstance);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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return Status;
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DPRINT("IopResetDevice(%wZ)\n", &DeviceInstance);
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/* Get the device object */
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DeviceObject = IopGetDeviceObjectFromDeviceInstance(&DeviceInstance);
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@ -1651,7 +1651,11 @@ IopGetParentIdPrefix(PDEVICE_NODE DeviceNode,
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* instance path, the following test is required :(
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*/
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if (DeviceNode->Parent->InstancePath.Length == 0)
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{
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DPRINT1("Parent of %wZ has NULL Instance path, please report!\n",
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&DeviceNode->InstancePath);
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return STATUS_UNSUCCESSFUL;
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}
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/* 1. Try to retrieve ParentIdPrefix from registry */
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KeyNameBufferLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data[0]) + MAX_PATH * sizeof(WCHAR);
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@ -2205,7 +2209,6 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
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PDEVICE_NODE ParentDeviceNode;
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PUNICODE_STRING Service;
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UNICODE_STRING ClassGUID;
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UNICODE_STRING NullString = RTL_CONSTANT_STRING(L"");
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NTSTATUS Status;
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DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
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@ -2253,14 +2256,14 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
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RtlInitUnicodeString(&ClassGUID, NULL);
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QueryTable[0].Name = L"Service";
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
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QueryTable[0].EntryContext = Service;
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QueryTable[1].Name = L"ClassGUID";
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QueryTable[1].Flags = RTL_QUERY_REGISTRY_DIRECT;
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QueryTable[1].EntryContext = &ClassGUID;
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QueryTable[1].DefaultType = REG_SZ;
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QueryTable[1].DefaultData = &NullString;
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QueryTable[1].DefaultData = L"";
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QueryTable[1].DefaultLength = 0;
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RtlAppendUnicodeToString(&RegKey, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
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@ -2271,10 +2274,9 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
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if (!NT_SUCCESS(Status))
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{
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DPRINT("RtlQueryRegistryValues() failed (Status %x)\n", Status);
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/* FIXME: Log the error */
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CPRINT("Could not retrieve configuration for device %S (Status %x)\n",
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DeviceNode->InstancePath.Buffer, Status);
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DPRINT1("Could not retrieve configuration for device %wZ (Status 0x%08x)\n",
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&DeviceNode->InstancePath, Status);
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IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
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return STATUS_SUCCESS;
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}
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@ -2288,14 +2290,14 @@ IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
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/* Device has a ClassGUID value, but no Service value.
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* Suppose it is using the NULL driver, so state the
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* device is started */
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DPRINT("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
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DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
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IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
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DeviceNode->Flags |= DN_STARTED;
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}
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return STATUS_SUCCESS;
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}
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DPRINT("Got Service %S\n", Service->Buffer);
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DPRINT1("Got Service %S\n", Service->Buffer);
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}
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return STATUS_SUCCESS;
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@ -2418,8 +2420,8 @@ IopActionInitChildServices(PDEVICE_NODE DeviceNode,
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}
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else
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{
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DPRINT("Service %S is disabled or already initialized\n",
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DeviceNode->ServiceName.Buffer);
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DPRINT("Device %wZ is disabled or already initialized\n",
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&DeviceNode->InstancePath);
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}
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return STATUS_SUCCESS;
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