From nobody Sun Feb 8 21:12:31 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 718ED304BCB; Wed, 14 Jan 2026 12:57:36 +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=1768395456; cv=none; b=kUZdLEg7mIO7jYaGfShSDFTNM03EtSbFZWIfXRjCeJzSHWHKwMviqRawhH+pgRYIXY8o2hKZ/UJOcjJud7VvpGtGNebJFmljEB8IBsdB9UWnFrwvCcRs1pPz6XqbifnGY9+XzOY01UhNkjs9KIOlbccmdsj7w2nA0cGjQpZYOJ8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768395456; c=relaxed/simple; bh=fwg6VCw4cZEc2+a2J27nnrxYwH8tWyGbO90iEbAtz24=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=U0KlLMSnlbHLQAX9mtnW+ljdqXeb73D1ejRYlPEWe98Q1Q2o7F2OCqmSZxW2j+RnkzfJUNBY6W1ElDLuE20M/xv5DNn7zNaH24Hsm1UyeAPpzS6bwDg0VuHicF2D7Mea01dLE1wqc7RcHtgnyaDbJorxPFZSj0NMM0ye3iqL5Qc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LpcEJOZP; 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="LpcEJOZP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2A7C8C19425; Wed, 14 Jan 2026 12:57:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1768395456; bh=fwg6VCw4cZEc2+a2J27nnrxYwH8tWyGbO90iEbAtz24=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LpcEJOZPF+n7xrAMkfWVFUNja2Atp1U4exnXOGDkG7TkD9xDFlUZCk1AmeScN+dNN OXFoI4c8wIkd9ZybpXR8WT0v2dhpD3+0Blx3PbYxGovg4zwJNOOMGy9uu1Xjig3Rqn eiVMPS8DN6pAmgbBJ1wckumCAspKLQzvBsLkH3pK/OYLFYf4qznVmHqcgPVM/Gl7/R Gb2Vxea8vs8Ohlzl3JKIW/wNjOUuQSe0wsw3IUd1tdnPsWEdAr/3+vYa9jN0YKvUP9 60uG06F1+3vHCC+d01z3erP67KHFftcYkezsbXjjKIaUwpCYc7mrZLGFqIpVx7AM/p 5zQ/LJb+FPvQA== Received: from mchehab by mail.kernel.org with local (Exim 4.99) (envelope-from ) id 1vg0RK-00000002ly4-1Dme; Wed, 14 Jan 2026 13:57:34 +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 v4 2/4] scripts/kernel-doc: avoid error_count overflows Date: Wed, 14 Jan 2026 13:57:23 +0100 Message-ID: <68ec6027db89b15394b8ed81b3259d1dc21ab37f.1768395332.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 | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-) diff --git a/scripts/kernel-doc.py b/scripts/kernel-doc.py index 7a1eaf986bcd..3992ca49d593 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 +178,20 @@ 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 n= ot 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 + happened. + """ =20 parser =3D argparse.ArgumentParser(formatter_class=3Dargparse.RawTextH= elpFormatter, description=3DDESC) @@ -323,16 +338,12 @@ 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