Two selftests drivers exist under the copyleft-next license.
These drivers were added prior to SPDX practice taking full swing
in the kernel. Now that we have an SPDX tag for copylef-next-0.3.1
documented, embrace it and remove the boiler plate.

Cc: Goldwyn Rodrigues <rgoldwyn@suse.com>
Cc: Kuno Woudt <kuno@frob.nl>
Cc: Richard Fontana <fontana@sharpeleven.org>
Cc: copyleft-next@lists.fedorahosted.org
Cc: Ciaran Farrell <Ciaran.Farrell@suse.com>
Cc: Christopher De Nicolo <Christopher.DeNicolo@suse.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Thorsten Leemhuis <linux@leemhuis.info>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 lib/test_kmod.c                          | 12 +-----------
 lib/test_sysctl.c                        | 12 +-----------
 tools/testing/selftests/kmod/kmod.sh     | 13 +------------
 tools/testing/selftests/sysctl/sysctl.sh | 12 +-----------
 4 files changed, 4 insertions(+), 45 deletions(-)

diff --git a/lib/test_kmod.c b/lib/test_kmod.c
index cb800b1d0d99..6423df9fa8dd 100644
--- a/lib/test_kmod.c
+++ b/lib/test_kmod.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1
 /*
  * kmod stress test driver
  *
  * Copyright (C) 2017 Luis R. Rodriguez <mcgrof@kernel.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or at your option any
- * later version; or, when distributed separately from the Linux kernel or
- * when incorporated into other software packages, subject to the following
- * license:
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of copyleft-next (version 0.3.1 or later) as published
- * at http://copyleft-next.org/.
  */
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
diff --git a/lib/test_sysctl.c b/lib/test_sysctl.c
index 9a564971f539..e2a816d85ea2 100644
--- a/lib/test_sysctl.c
+++ b/lib/test_sysctl.c
@@ -1,18 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1
 /*
  * proc sysctl test driver
  *
  * Copyright (C) 2017 Luis R. Rodriguez <mcgrof@kernel.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or at your option any
- * later version; or, when distributed separately from the Linux kernel or
- * when incorporated into other software packages, subject to the following
- * license:
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of copyleft-next (version 0.3.1 or later) as published
- * at http://copyleft-next.org/.
  */
 
 /*
diff --git a/tools/testing/selftests/kmod/kmod.sh b/tools/testing/selftests/kmod/kmod.sh
index afd42387e8b2..7189715d7960 100755
--- a/tools/testing/selftests/kmod/kmod.sh
+++ b/tools/testing/selftests/kmod/kmod.sh
@@ -1,18 +1,7 @@
 #!/bin/bash
-#
+# SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1
 # Copyright (C) 2017 Luis R. Rodriguez <mcgrof@kernel.org>
 #
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or at your option any
-# later version; or, when distributed separately from the Linux kernel or
-# when incorporated into other software packages, subject to the following
-# license:
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of copyleft-next (version 0.3.1 or later) as published
-# at http://copyleft-next.org/.
-
 # This is a stress test script for kmod, the kernel module loader. It uses
 # test_kmod which exposes a series of knobs for the API for us so we can
 # tweak each test in userspace rather than in kernelspace.
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index f50778a3d744..bfc54b422f25 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -1,16 +1,6 @@
 #!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later OR copyleft-next-0.3.1
 # Copyright (C) 2017 Luis R. Rodriguez <mcgrof@kernel.org>
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of the GNU General Public License as published by the Free
-# Software Foundation; either version 2 of the License, or at your option any
-# later version; or, when distributed separately from the Linux kernel or
-# when incorporated into other software packages, subject to the following
-# license:
-#
-# This program is free software; you can redistribute it and/or modify it
-# under the terms of copyleft-next (version 0.3.1 or later) as published
-# at http://copyleft-next.org/.
 
 # This performs a series tests against the proc sysctl interface.
 
-- 
2.35.1

On Tue, Sep 13, 2022 at 11:01:47PM -0700, Luis Chamberlain wrote:
> Two selftests drivers exist under the copyleft-next license.
> These drivers were added prior to SPDX practice taking full swing
> in the kernel. Now that we have an SPDX tag for copylef-next-0.3.1

nit: copylef -> copyleft

> documented, embrace it and remove the boiler plate.
> 
> Cc: Goldwyn Rodrigues <rgoldwyn@suse.com>
> Cc: Kuno Woudt <kuno@frob.nl>
> Cc: Richard Fontana <fontana@sharpeleven.org>
> Cc: copyleft-next@lists.fedorahosted.org
> Cc: Ciaran Farrell <Ciaran.Farrell@suse.com>
> Cc: Christopher De Nicolo <Christopher.DeNicolo@suse.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: Jonathan Corbet <corbet@lwn.net>
> Cc: Thorsten Leemhuis <linux@leemhuis.info>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
> ---
>  lib/test_kmod.c                          | 12 +-----------
>  lib/test_sysctl.c                        | 12 +-----------
>  tools/testing/selftests/kmod/kmod.sh     | 13 +------------
>  tools/testing/selftests/sysctl/sysctl.sh | 12 +-----------
>  4 files changed, 4 insertions(+), 45 deletions(-)

Reviewed-by: Kees Cook <keescook@chromium.org>

Always nice to see more lines removed than added. :)

-- 
Kees Cook