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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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reactos/drivers/input/mouclass/mouclass.c
+29 -12
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@@ -189,7 +189,7 @@ NTSTATUS ConnectMousePortDriver(PDEVICE_OBJECT ClassDeviceObject)
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);
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
@@ -318,7 +318,8 @@ DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
{
PDEVICE_OBJECT DeviceObject;
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_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->DriverStartIo = MouseClassStartIo;
IoCreateDevice(DriverObject,
sizeof(DEVICE_EXTENSION),
&DeviceName,
FILE_DEVICE_MOUSE,
0,
TRUE,
&DeviceObject);
Status = IoCreateDevice(DriverObject,
sizeof(DEVICE_EXTENSION),
&DeviceName,
FILE_DEVICE_MOUSE,
0,
TRUE,
&DeviceObject);
if (!NT_SUCCESS(Status))
{
return(Status);
}
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);
}