[LTP] [PATCH v2 4/6] can_recv_own_msgs: Convert to new library

[Oliver Hartkopp]

On 19.01.21 17:39, Marc Kleine-Budde wrote:
> On 1/19/21 5:34 PM, Richard Palethorpe wrote:
>> Hello All,
>>
>> Marc Kleine-Budde <mkl@pengutronix.de> writes:
>>
>>> On 1/19/21 4:06 PM, Cyril Hrubis wrote:
>>>> Hi!
>>>>>>   /*
>>>>>> - * tst-rcv-own-msgs.c
>>>>>> - *
>>>>>> - * Copyright (c) 2010 Volkswagen Group Electronic Research
>>>>>> - * All rights reserved.
>>>>>> - *
>>>>>> - * Redistribution and use in source and binary forms, with or without
>>>>>> - * modification, are permitted provided that the following conditions
>>>>>> - * are met:
>>>>>> - * 1. Redistributions of source code must retain the above copyright
>>>>>> - *    notice, this list of conditions and the following disclaimer.
>>>>>> - * 2. Redistributions in binary form must reproduce the above copyright
>>>>>> - *    notice, this list of conditions and the following disclaimer in the
>>>>>> - *    documentation and/or other materials provided with the distribution.
>>>>>> - * 3. Neither the name of Volkswagen nor the names of its contributors
>>>>>> - *    may be used to endorse or promote products derived from this software
>>>>>> - *    without specific prior written permission.
>>>>>
>>>>> IANAL, I think you're missing this license. Is looks like some sort
>>>>> of BSD to me.
>>
>> Ufff, thanks, I should pay more attention when it is a test imported
>> from elsewhere.
>>
>>>>>
>>>>>> - *
>>>>>> - * Alternatively, provided that this notice is retained in full, this
>>>>>> - * software may be distributed under the terms of the GNU General
>>>>>> - * Public License ("GPL") version 2, in which case the provisions of the
>>>>>> - * GPL apply INSTEAD OF those given above.
>>>>>
>>>>> It doesn't say "or later".
>>>>
>>>> Looks like we cannot just remove this license. So what about moving this
>>>> text into a separate COPYING file and changing the SPDX to GPL-v2.0?
>>>
>>> This file is dual licensed, better keep it dual licensed.
>>>
>>> regards,
>>> Marc
>>
>> HHmm, this appears to be the BSD-3-Clause license with the following
>> text inserted in the middle:
>>
>>   * Alternatively, provided that this notice is retained in full, this
>>   * software may be distributed under the terms of the GNU General
>>   * Public License ("GPL") version 2, in which case the provisions of the
>>   * GPL apply INSTEAD OF those given above.
>>   *
>>   * The provided data structures and external interfaces from this code
>>   * are not restricted to be used by modules with a GPL compatible license.
>>
>> I don't see any corresponding SPDX identifier or exception for this. It
>> is probably easiest and safest just to keep it as-is.
> 
> I think the Linux kernel uses:
> 
> /* SPDX-License-Identifier: ((GPL-2.0-only WITH Linux-syscall-note) OR
> BSD-3-Clause) */
> 
> e.g.:
> 
> https://elixir.bootlin.com/linux/v5.10/source/include/uapi/linux/can/gw.h
> 

Thanks Marc!

Yes, indeed it is a GPLv2 / BSD3 dual license to use it in both 
environments.

Regards,
Oliver