This patch fixes the checkpatch.p1 warning:
WARNING: Missing or malformed SPDX-License-Identifier tag in line 1
+/*
It includes the SPDX expression for GPL-2.0 according to the text license
in the top of the C file.
Signed-off-by: Carlos Henrique Lima Melara <charlesmelara@outlook.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+// SPDX-License-Identifier: GPL-2.0
/* 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; version 2 of the License