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- Delete the device object and symbolic link if connecting to the port

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driver fails.

svn path=/trunk/; revision=5361
This commit is contained in:
David Welch 2003-08-01 11:47:14 +00:00
parent ef7b713c37
commit 571d3f55d3
1 changed files with 29 additions and 12 deletions
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41
reactos/drivers/input/mouclass/mouclass.c
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@ -189,7 +189,7 @@ NTSTATUS ConnectMousePortDriver(PDEVICE_OBJECT ClassDeviceObject)
return ioStatus.Status; return ioStatus.Status;
} }
NTSTATUS STDCALL MouseClassDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp) NTSTATUS STDCALL_FUNC MouseClassDispatch(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{ {
PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp); PIO_STACK_LOCATION Stack = IoGetCurrentIrpStackLocation(Irp);
NTSTATUS Status; NTSTATUS Status;
@ -270,7 +270,7 @@ VOID MouseClassStartIo(PDEVICE_OBJECT DeviceObject, PIRP Irp)
} }
} }
NTSTATUS STDCALL MouseClassInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp) NTSTATUS STDCALL_FUNC MouseClassInternalDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp)
{ {
// Retrieve GDI's callback // Retrieve GDI's callback
@ -318,7 +318,8 @@ DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
{ {
PDEVICE_OBJECT DeviceObject; PDEVICE_OBJECT DeviceObject;
UNICODE_STRING DeviceName = UNICODE_STRING_INITIALIZER(L"\\Device\\MouseClass"); UNICODE_STRING DeviceName = UNICODE_STRING_INITIALIZER(L"\\Device\\MouseClass");
UNICODE_STRING SymlinkName = UNICODE_STRING_INITIALIZER(L"\\??\\MouseClass"); UNICODE_STRING SymlinkName = UNICODE_STRING_INITIALIZER(L"\\??\\MouseClass"); NTSTATUS Status;
DriverObject->MajorFunction[IRP_MJ_CREATE] = MouseClassDispatch; DriverObject->MajorFunction[IRP_MJ_CREATE] = MouseClassDispatch;
// DriverObject->MajorFunction[IRP_MJ_CLOSE] = MouseClassDispatch; // DriverObject->MajorFunction[IRP_MJ_CLOSE] = MouseClassDispatch;
@ -326,16 +327,32 @@ DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = MouseClassInternalDeviceControl; // to get GDI callback DriverObject->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = MouseClassInternalDeviceControl; // to get GDI callback
// DriverObject->DriverStartIo = MouseClassStartIo; // DriverObject->DriverStartIo = MouseClassStartIo;
IoCreateDevice(DriverObject, Status = IoCreateDevice(DriverObject,
sizeof(DEVICE_EXTENSION), sizeof(DEVICE_EXTENSION),
&DeviceName, &DeviceName,
FILE_DEVICE_MOUSE, FILE_DEVICE_MOUSE,
0, 0,
TRUE, TRUE,
&DeviceObject); &DeviceObject);
if (!NT_SUCCESS(Status))
{
return(Status);
}
DeviceObject->Flags = DeviceObject->Flags | DO_BUFFERED_IO; DeviceObject->Flags = DeviceObject->Flags | DO_BUFFERED_IO;
IoCreateSymbolicLink(&SymlinkName, &DeviceName); Status = IoCreateSymbolicLink(&SymlinkName, &DeviceName);
if (!NT_SUCCESS(Status))
{
IoDeleteDevice(DeviceObject);
return(Status);
}
return ConnectMousePortDriver(DeviceObject); Status = ConnectMousePortDriver(DeviceObject);
if (!NT_SUCCESS(Status))
{
IoDeleteSymbolicLink(&SymlinkName);
IoDeleteDevice(DeviceObject);
return(Status);
}
return(STATUS_SUCCESS);
} }