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checkpatch: prefer MODULE_LICENSE("GPL") over MODULE_LICENSE("GPL v2")

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There is no effective difference.

Given the large number of uses of "GPL v2", emit this message only for
patches as a trivial treeside sed could be done one day.

Ref: commit bf7fbeeae6db ("module: Cure the MODULE_LICENSE "GPL" vs. "GPL v2" bogosity")

Link: https://lkml.kernel.org/r/20220128185924.80137-1-joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Dwaipayan Ray <dwaipayanray1@gmail.com>
Cc: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2022-03-23 16:05:56 -07:00 committed by Linus Torvalds
parent 2699e5143c
commit 6e8f42dc9c
1 changed files with 7 additions and 0 deletions
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7
scripts/checkpatch.pl
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@ -7418,6 +7418,13 @@ sub process {
WARN("MODULE_LICENSE",
"unknown module license " . $extracted_string . "\n" . $herecurr);
}
if (!$file && $extracted_string eq '"GPL v2"') {
if (WARN("MODULE_LICENSE",
"Prefer \"GPL\" over \"GPL v2\" - see commit bf7fbeeae6db (\"module: Cure the MODULE_LICENSE \"GPL\" vs. \"GPL v2\" bogosity\")\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] =~ s/\bMODULE_LICENSE\s*\(\s*"GPL v2"\s*\)/MODULE_LICENSE("GPL")/;
}
}
}
# check for sysctl duplicate constants