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- Delete the device object and symbolic link if connecting to the port
driver fails. svn path=/trunk/; revision=5361
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parent
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commit
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@ -189,7 +189,7 @@ NTSTATUS ConnectMousePortDriver(PDEVICE_OBJECT ClassDeviceObject)
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return ioStatus.Status;
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}
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NTSTATUS STDCALL MouseClassDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
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NTSTATUS STDCALL_FUNC MouseClassDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
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{
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PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
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NTSTATUS Status;
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@ -270,7 +270,7 @@ VOID MouseClassStartIo(PDEVICE_OBJECT DeviceObject, PIRP Irp)
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}
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}
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NTSTATUS STDCALL MouseClassInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
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NTSTATUS STDCALL_FUNC MouseClassInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
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{
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// Retrieve GDI's callback
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@ -318,7 +318,8 @@ DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
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{
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PDEVICE_OBJECT DeviceObject;
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UNICODE_STRING DeviceName = UNICODE_STRING_INITIALIZER(L"\\Device\\MouseClass");
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UNICODE_STRING SymlinkName = UNICODE_STRING_INITIALIZER(L"\\??\\MouseClass");
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UNICODE_STRING SymlinkName = UNICODE_STRING_INITIALIZER(L"\\??\\MouseClass"); NTSTATUS Status;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = MouseClassDispatch;
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// DriverObject->MajorFunction[IRP_MJ_CLOSE] = MouseClassDispatch;
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@ -326,16 +327,32 @@ DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
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DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = MouseClassInternalDeviceControl; // to get GDI callback
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// DriverObject->DriverStartIo = MouseClassStartIo;
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IoCreateDevice(DriverObject,
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sizeof(DEVICE_EXTENSION),
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&DeviceName,
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FILE_DEVICE_MOUSE,
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0,
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TRUE,
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&DeviceObject);
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Status = IoCreateDevice(DriverObject,
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sizeof(DEVICE_EXTENSION),
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&DeviceName,
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FILE_DEVICE_MOUSE,
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0,
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TRUE,
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&DeviceObject);
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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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DeviceObject->Flags = DeviceObject->Flags | DO_BUFFERED_IO;
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IoCreateSymbolicLink(&SymlinkName, &DeviceName);
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Status = IoCreateSymbolicLink(&SymlinkName, &DeviceName);
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if (!NT_SUCCESS(Status))
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{
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IoDeleteDevice(DeviceObject);
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return(Status);
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}
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return ConnectMousePortDriver(DeviceObject);
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Status = ConnectMousePortDriver(DeviceObject);
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if (!NT_SUCCESS(Status))
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{
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IoDeleteSymbolicLink(&SymlinkName);
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IoDeleteDevice(DeviceObject);
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return(Status);
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}
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return(STATUS_SUCCESS);
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}
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