Messages in this thread | | | From | Dwaipayan Ray <> | Date | Mon, 21 Sep 2020 14:01:41 +0530 | Subject | Re: [PATCH v2] checkpatch: extend author Signed-off-by check for split From: header |
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On Mon, Sep 21, 2020 at 1:19 PM Lukas Bulwahn <lukas.bulwahn@gmail.com> wrote: > > > Dwaipayan, just a quick nitpick: > > Your subject line has two spaces in front of 'From:' > > On Sun, 20 Sep 2020, Dwaipayan Ray wrote: > > > Checkpatch did not handle cases where the author From: header > > was split into multiple lines. The author identity could not > > be resolved and checkpatch generated a false NO_AUTHOR_SIGN_OFF > > warning. > > > > A typical example is Commit e33bcbab16d1 ("tee: add support for > > You can write 'Commit' lowercase as 'commit'. > > > session's client UUID generation"). When checkpatch was run on > > this commit, it displayed: > > > > "WARNING:NO_AUTHOR_SIGN_OFF: Missing Signed-off-by: line by nominal > > patch author ''" > > > > This was due to split header lines not being handled properly and > > the author himself wrote in Commit cd2614967d8b ("checkpatch: warn > > if missing author Signed-off-by"): > > > > Same here. > > > "Split From: headers are not fully handled: only the first part > > is compared." > > > > Support split From: headers by correctly parsing the header > > extension lines. RFC 2822, Section-2.2.3 stated that each extended > > line must start with a WSP character (a space or htab). The solution > > was therefore to concatenate the lines which start with a WSP to > > get the correct long header. > > > > Suggested-by: Joe Perches <joe@perches.com> > > Link: https://lore.kernel.org/linux-kernel-mentees/f5d8124e54a50480b0a9fa638787bc29b6e09854.camel@perches.com/ > > Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com> > > > > On v5.4..v5.7 using data from a previous evaluation, I found 116 commits > with > the error message "Missing Signed-off-by: line by nominal patch author > ''", > when running ./scripts/checkpatch.pl on v5.9-rc6. > > > After this patch application, all 116 warnings disappeared with "Missing > Signed-off-by: line by nominal patch author ''" > and these three new warnings appeared: > > 322f6a3182d42df18059a89c53b09d33919f755e:35: WARNING: Missing Signed-off-by: line by nominal patch author 'Johnson CH Chen <JohnsonCH.Chen@moxa.com>' > 18977008f44c66bdd6d20bb432adf71372589303:37: WARNING: Missing Signed-off-by: line by nominal patch author '"Marek Szyprowski via Linux.Kernel.Org" <m.szyprowski=samsung.com@linux.kernel.org>' > ed3520427f57327f581de0cc28c1c30df08f0103:51: WARNING: Missing Signed-off-by: line by nominal patch author 'Chengguang Xu via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net>' > > With that said, I think am happy to add my tags: > > Reviewed-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> > Tested-by: Lukas Bulwahn <lukas.bulwahn@gmail.com> > > Dwaipayan, you can fix the minor commit message issues above, add the tags > from Joe and me to the end of your commit message and send the patch as v3 > out to Andrew Morton with everyone sofar as CC. Andrew Morton will pick up > the patch and make it travel to Linus Torvalds. > > Good job so far! > > After you did that, let us develop and discuss a plan to refine the > 'trickier' part of false AUTHOR_SIGN_OFF warnings for developer and > maintainers with some known special author and sign-off procedures. > > Lukas > > > --- > > scripts/checkpatch.pl | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl > > index 504d2e431c60..9e65d21456f1 100755 > > --- a/scripts/checkpatch.pl > > +++ b/scripts/checkpatch.pl > > @@ -2661,6 +2661,10 @@ sub process { > > # Check the patch for a From: > > if (decode("MIME-Header", $line) =~ /^From:\s*(.*)/) { > > $author = $1; > > + my $curline = $linenr; > > + while(defined($rawlines[$curline]) && ($rawlines[$curline++] =~ /^[ \t]\s*(.*)/)) { > > + $author .= $1; > > + } > > $author = encode("utf8", $author) if ($line =~ /=\?utf-8\?/i); > > $author =~ s/"//g; > > $author = reformat_email($author); > > -- > > 2.27.0 > > > >
Hi, Sure! I will do that and get back to you.
Thanks, Dwaipayan.
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