From nobody Mon Feb 9 07:43:24 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2DEC82FE042; Tue, 13 Jan 2026 17:20:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768324802; cv=none; b=lJJ+b0zzU6LTxQEBNRiZSN9qSCVJFWnLtk5Oz5ZbvIPZaMyO62AfzccIL847yW1XRBZjryzV9pO+eHXWjSFIDlmmXufZONtvedt1TMRl331LJeipHaPWv+FELQEOM5OvIu3CYTAgD9Wi1w9uMkrXD3CwUfGFTeEiJGEbn5YM9YM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768324802; c=relaxed/simple; bh=UUmc3EfAY48oflOixuCJfyhKnkDnBsRLnIZJCLJ1PX4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=oa1EwVTUc4NINiH2oTcieHQy0iLDzvjJJSUTqKZHxJjFC7auT3JpCzmpaKY88aUAym3hPkVxdD9GBaYCEZEXbrVxxy9g3rSkAvVykSox5uTMIgC9KRhhD5iXct8Q6Xzfj/zD5Q6tJkO3Nq5bc2gKBXPSkPne6eTsf8c1NJ9CWVo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=qBWdEQoh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="qBWdEQoh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B1628C116C6; Tue, 13 Jan 2026 17:20:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768324801; bh=UUmc3EfAY48oflOixuCJfyhKnkDnBsRLnIZJCLJ1PX4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qBWdEQoheTARg8Y8d+o2uLj+NFHpoJWUSv0XaLTHT9esNRmDBGK/9YeTd+uSllvW6 fhOPzRqGkrfhqqHEUXPCoslASKKXm3RelZpVyqiFbNn+io82BKG4wLf/U80gS2RubY +2JyBEehausuQCHEIozWl9OOJjlqSwA0bZf9M0hEoAnM9pUP1oG+2KueyeyPYrbLDf mvhH5zdk4DqggUKi0S5pUEFvslDhSmc/bu7GvTP2N4m9yhMwbsvUvhTjLXLvI/snvy KQxSxxLi874+kRKa27fW0zKk+Ls3V3kSwqUQ/PEqmwTRFXVsJUfdQ2mOdDabGvNivB oA7uo5tQuxlqQ== Received: from mchehab by mail.kernel.org with local (Exim 4.99) (envelope-from ) id 1vfi3j-00000000zeC-3PZb; Tue, 13 Jan 2026 18:19:59 +0100 From: Mauro Carvalho Chehab To: Linux Doc Mailing List , Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jani Nikula , Jonathan Corbet , Shuah Khan , stable@vger.kernel.org Subject: [PATCH v3 2/4] scripts/kernel-doc: avoid error_count overflows Date: Tue, 13 Jan 2026 18:19:54 +0100 Message-ID: <80bd110988b8c1bd1118250c2acc05e9d2241709.1768324572.git.mchehab+huawei@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Sender: Mauro Carvalho Chehab The glibc library limits the return code to 8 bits. We need to stick to this limit when using sys.exit(error_count). Signed-off-by: Mauro Carvalho Chehab Cc: stable@vger.kernel.org --- scripts/kernel-doc.py | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/scripts/kernel-doc.py b/scripts/kernel-doc.py index 7a1eaf986bcd..5d2f29e90ebe 100755 --- a/scripts/kernel-doc.py +++ b/scripts/kernel-doc.py @@ -116,6 +116,8 @@ SRC_DIR =3D os.path.dirname(os.path.realpath(__file__)) =20 sys.path.insert(0, os.path.join(SRC_DIR, LIB_DIR)) =20 +WERROR_RETURN_CODE =3D 3 + DESC =3D """ Read C language source or header FILEs, extract embedded documentation com= ments, and print formatted documentation to standard output. @@ -176,7 +178,21 @@ class MsgFormatter(logging.Formatter): return logging.Formatter.format(self, record) =20 def main(): - """Main program""" + """ + Main program + By default, the return value is: + + - 0: parsing warnings or Python version is not compatible with + kernel-doc. The rationale for the latter is to not break Linux + compilation on such cases; + + - 1: an abnormal condition happened; + + - 2: arparse issued an error; + + - 3: -Werror is used, and one or more unfiltered parse warnings + happened. + """ =20 parser =3D argparse.ArgumentParser(formatter_class=3Dargparse.RawTextH= elpFormatter, description=3DDESC) @@ -323,16 +339,12 @@ def main(): =20 if args.werror: print("%s warnings as errors" % error_count) # pylint: disable= =3DC0209 - sys.exit(error_count) + sys.exit(WERROR_RETURN_CODE) =20 if args.verbose: print("%s errors" % error_count) # pylint: disable= =3DC0209 =20 - if args.none: - sys.exit(0) - - sys.exit(error_count) - + sys.exit(0) =20 # Call main method if __name__ =3D=3D "__main__": --=20 2.52.0