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SubjectRe: [PATCH] checkpatch: add fix for non-standard signature - co-authored-by
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On Wed, 2020-12-02 at 14:38 +0530, Aditya Srivastava wrote:
> Currently, checkpatch.pl warns for BAD_SIGN_OFF on the usage of
> non-standard signatures.
>
> An evaluation on v4.13..v5.8 showed that out of 539 warnings due to
> non-standard signatures, 43 are due to the use of 'Co-authored-by'
> tag, which may seem correct, but is not standard.
>
> The standard signature equivalent for 'Co-authored-by' is
> 'Co-developed-by'.
>
> Provide a fix by suggesting users with this signature alternative and
> replacing.

This doesn't apply to either today's linux or -next.

It is dependent on a patch that is only in Andrew Morton's mmots.
Your patch subject should show that in the brackets.
Something like:

[PATCH -mmots] checkpatch: etc...

Adding --fix options to the obvious spelling typos in these signature
by-lines tags are a different case but I think this is a relatively low
value patch as I don't believe these tags should be limited in this way.

Maybe Andrew likes it.

> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -2832,6 +2832,9 @@ sub process {
>  
>
>   if ($sign_off !~ /$signature_tags/) {
>   my $suggested_signature = find_standard_signature($sign_off);
> + if ($sign_off =~ /co-authored-by:/i) {
> + $suggested_signature = "Co-developed-by:";
> + }


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