From nobody Mon Feb 9 01:35:02 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 C76EE24A07C; Mon, 12 Jan 2026 15:08:07 +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=1768230487; cv=none; b=aoggwnwuyLiahO5jCFUl31ogKsjdL5xUuw/nhjPi0MC5WAGsWoyjqKfUviClobOTvYYwQSt8Xlrbz0iYWTmcTEKufZve02k3mv5FlqklBEvDMM9HREDuzhmfp1ISkzW9M+qVjj1si1tJ/RJ3PBB04e/7mrrtK0lVEBbrW0WvjTg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768230487; c=relaxed/simple; bh=efaAoQJ46q/MA7bC6BpXipDb0T3zDwPIKRwh3uhkakE=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=TXuKSiAcFS/botL/1ioXdQ91r5IR4GzyjNNnsc89/BwimGhO4h5dpyfUwncTBtK7H2N17jdQ68uvVHpe/QeqcoJqHV3myokrT2SufmgaTxOLSNATIaHk2iMA8OMnqYqK4wHtNl9uSu/6EyEuidbxnpPuoSL2mhD/T2sG6Kypa3w= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LkjbItZ+; 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="LkjbItZ+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72A70C19424; Mon, 12 Jan 2026 15:08:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768230487; bh=efaAoQJ46q/MA7bC6BpXipDb0T3zDwPIKRwh3uhkakE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LkjbItZ+1RIo9EN+ZfuO1cglb8iIEPZJysYmwGsp9M+abK6EyLkTOUYHGtmIaKYXi RK4946RKw5GlUcYO31ELvxXVPRT6Gwb3VTzF2VVgVPO2j4W7pcAmGPBNvcl2EMhwaO DN/7Qxg2jX66CXDnJgBj9gt4pw+evTg/tSgG0RDPsQ50R4raUgiUnuJc97kehnbdH5 mckCS9Eo6FRsuMbUGupOr+6zyeWOk9nrqKABrsxb6YjQotxFwPVelnLagSTd58IYVq +vbksYNjQD2cxXuMBZV2OszPSCvMhK6jk4sW5umpW/NG9ebhAvRUs7PQ7qKRyNFNYE MHP72fR2FWB8Q== Received: from mchehab by mail.kernel.org with local (Exim 4.99) (envelope-from ) id 1vfJWX-00000000JWq-2w5B; Mon, 12 Jan 2026 16:08:05 +0100 From: Mauro Carvalho Chehab To: Jonathan Corbet , Linux Doc Mailing List Cc: Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, Jani Nikula , Mauro Carvalho Chehab Subject: [PATCH v2 2/4] scripts/kernel-doc: avoid error_count overflows Date: Mon, 12 Jan 2026 16:06:51 +0100 Message-ID: <32749671865f095a5e981f36bf380771a83f3b09.1768229902.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 --- 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