From nobody Mon Feb 9 00:56:14 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 340B8332EB4; Sat, 17 Jan 2026 09:29:33 +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=1768642173; cv=none; b=OwyxacYervPF5ddJwI29lg4J2fBH4EJtesORxTJZNrglD1NUsYeUbtczGsQL4htMqk3Yvff+jsCYZQwsahMIho4P9dXd/MrrPGtyuDFK+TtKtXR1gpjwh/3NZ//5AtUqtTSp4DemcwRDR6l/btTjlreqpoLvic00uLQGvkKzNyc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768642173; c=relaxed/simple; bh=gswQgvIkCvCKkiNyrJA/gedBlbjViDDQyImQR0Lwtf4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ao5yoP8Gb9NtSNVMfUUmfC/FTjumgbqYql+SshXlWIjO6i6Px32XvVi8dAEy/pOBDm8Zfsf6aYFf2c64qbys1CgRXdtxjrEhBUpEMQBlTOcG7Dqy86taKMVwz1Xjw65A3uzJPFtMJ3KqHwxgvL8uy9ONVtAudabC5uE/Cy+nWgE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ytg0q7Sd; 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="Ytg0q7Sd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E7DFC4AF0C; Sat, 17 Jan 2026 09:29:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768642172; bh=gswQgvIkCvCKkiNyrJA/gedBlbjViDDQyImQR0Lwtf4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ytg0q7Sda8Jtsy2t6IOq0BjFLwvPDF54IHLZ9fCwaHf8qcu+VB1SinYReE8s8cJi+ Bui5o/NsgKTA4NJ7pzpT3NsDDN4YnNkfaAvJ5L2ybgxLZ+t6j2m0Kp8wuO9jPyUxod QqqZASSVpoh5yBGTC8rbE1Z9/doqBfw2Wsb3kHcFIsAXe4sSx9i2Ireu/UXakua0ty GoAv/HJMA9GistLkQSau04Iw0PfFTFj/H43WwGx+kPViEvWEv2YWYP9IqtlbO1e5e+ +7Mi+KsXD/0wF+55gJyFwCiWCZkdBr7FYEiStR42BSd96kuXddZOIV3oJJNXbMgg60 wJQOKnX9m4f9w== Received: from mchehab by mail.kernel.org with local (Exim 4.99) (envelope-from ) id 1vh2cc-00000000fo2-0OzK; Sat, 17 Jan 2026 10:29:30 +0100 From: Mauro Carvalho Chehab To: Linux Doc Mailing List , Mauro Carvalho Chehab Cc: Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jonathan Corbet , Shuah Khan , stable@vger.kernel.org Subject: [PATCH v5 2/4] scripts/kernel-doc: avoid error_count overflows Date: Sat, 17 Jan 2026 10:29:24 +0100 Message-ID: <23206b5bc44601d0a0bce30adb77cc0f58b49234.1768642102.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..1ebb16b9bb08 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: success or Python version is not compatible with + kernel-doc. If -Werror is not used, it will also + return 0 if there are issues at kernel-doc markups; + + - 1: an abnormal condition happened; + + - 2: argparse issued an error; + + - 3: -Werror is used, and one or more unfiltered parse warnings happen= ed. + """ =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