Re: [PATCH v2] random: add proper SPDX header

On Thu, Feb 10, 2022 at 05:16:11PM +0100, Jason A. Donenfeld wrote:
> Somehow this file missed the SPDXification efforts several years ago.

That is because it required manual review.

> Convert the current license into "(GPL-2.0-or-later OR BSD-3-Clause)".
> 
> Cc: Thomas Gleixner <[email protected]>
> Cc: Greg Kroah-Hartman <[email protected]>
> Cc: Theodore Ts'o <[email protected]>
> Cc: Dominik Brodowski <[email protected]>
> Signed-off-by: Jason A. Donenfeld <[email protected]>
> ---
> Hi SPDX List,
> 
> I think I got this conversion right, but I would certainly appreciate a
> review on this from somebody with more legal expertise than me.

Where did the "or later" come from?  I don't see that in the original
text.

> 
> Thanks,
> Jason
> 
>  drivers/char/random.c  | 40 ++--------------------------------------
>  include/linux/random.h |  5 -----
>  2 files changed, 2 insertions(+), 43 deletions(-)
> 
> diff --git a/drivers/char/random.c b/drivers/char/random.c
> index 324574b03120..a2bbae5a693d 100644
> --- a/drivers/char/random.c
> +++ b/drivers/char/random.c
> @@ -1,44 +1,8 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-3-Clause)
>  /*
> - * random.c -- A strong random number generator
> - *
>   * Copyright (C) 2017-2022 Jason A. Donenfeld <[email protected]>. All Rights Reserved.
> - *
>   * Copyright Matt Mackall <[email protected]>, 2003, 2004, 2005
> - *
> - * Copyright Theodore Ts'o, 1994, 1995, 1996, 1997, 1998, 1999.  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, and the entire permission notice in its entirety,
> - *    including the disclaimer of warranties.
> - * 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. The name of the author may not be used to endorse or promote
> - *    products derived from this software without specific prior
> - *    written permission.

BSD-3, great.

> - *
> - * ALTERNATIVELY, this product may be distributed under the terms of
> - * the GNU General Public License, in which case the provisions of the GPL are
> - * required INSTEAD OF the above restrictions.  (This clause is
> - * necessary due to a potential bad interaction between the GPL and
> - * the restrictions contained in a BSD-style copyright.)

I do not see a "or later" here.


> - *
> - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
> - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
> - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL OF
> - * WHICH ARE HEREBY DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE
> - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
> - * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
> - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
> - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
> - * USE OF THIS SOFTWARE, EVEN IF NOT ADVISED OF THE POSSIBILITY OF SUCH
> - * DAMAGE.
> + * Copyright Theodore Ts'o, 1994, 1995, 1996, 1997, 1998, 1999.  All rights reserved.

Why break the line-wrap?



>   */
>  
>  /*
> diff --git a/include/linux/random.h b/include/linux/random.h
> index e92efb39779c..1a6861aa1277 100644
> --- a/include/linux/random.h
> +++ b/include/linux/random.h
> @@ -1,9 +1,4 @@
>  /* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * include/linux/random.h
> - *
> - * Include file for the random number generator.
> - */

This doesn't have to do with the SPDX change in the other file, it
belongs in a different patch, sorry.

thanks,

greg k-h