On 19.01.21 17:39, Marc Kleine-Budde wrote:

On 1/19/21 5:34 PM, Richard Palethorpe wrote:

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Hello All,

Marc Kleine-Budde [off-list ref] writes:

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On 1/19/21 4:06 PM, Cyril Hrubis wrote:

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Hi!

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  /*
- * 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.

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- *
- * 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