From mboxrd@z Thu Jan 1 00:00:00 1970 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 883753FE852; Sat, 28 Feb 2026 17:43:24 +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=1772300604; cv=none; b=czbxtZTYZoHeVNlpn2yaWeSTCHUrFcFY0JRCPFl29hAYYHIZ+Xdtc10CqzzeHjqwYF4cBw0trEeXlu3GLFO6R4kZc314RWAY+84ilYF/vCnLhrQnKA3qdvWb8h6CwPkiUltVJxZZQbfXIB9KW4+kB/47Cc4SB0+gQy/42AKQ4dg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772300604; c=relaxed/simple; bh=CIq1sMcaAIbQlDLPPLl+hO1rP2rtKXpxE8bLIcDJV2E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=K0INEaqTdaD7IDjNDHr2XEcpTNC9EppBvPO5sJS4uZGX0dDDombV4V6TeTeRudPnTJPhQWevGmw7ujg1c6cSEEnDB9E7WJdfIeX54ItsRbOw3t8DvCp4Ecgc7H0VEMSm4b3Grr6vxU44Q0C+0szIeJhXWoUyiJQYG8SS3a5lN8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=K6Xr+YRW; 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="K6Xr+YRW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B157AC19423; Sat, 28 Feb 2026 17:43:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772300604; bh=CIq1sMcaAIbQlDLPPLl+hO1rP2rtKXpxE8bLIcDJV2E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=K6Xr+YRWc1K7UMA7dcL7axVqxSgtFTu+b50NBx7RnQODKwP3NKnz6t+r67ai10lRu IHVxuvfp/3IXIXiRyP7xb6M0ua2VWpN79e00Hf7uuMgYS9qeMuW2TVZtr0OB5SJqhr iz16v1VEOTLoZ1nGAi/CKvKzNd7mlKDzur243Zxe8BIaKbaRHPVnMPkdFxaGN27Sxj UN+R4X+hKDpVVe9EnxRGE3SbxGlbwmb9mN2BxbXsa3G5eOklP3OSt+WcCZjisUrREe WPt9dv6H8vwb8MxpPVLFVa2qmSDQSxC6n8CMiLBoXLveVnjD0lRmYsBh7/yyn7n7iY aZzsdfu3UUhLw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Mauro Carvalho Chehab , Jonathan Corbet , Sasha Levin Subject: [PATCH 6.19 645/844] docs: kdoc: avoid error_count overflows Date: Sat, 28 Feb 2026 12:29:18 -0500 Message-ID: <20260228173244.1509663-646-sashal@kernel.org> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260228173244.1509663-1-sashal@kernel.org> References: <20260228173244.1509663-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit From: Mauro Carvalho Chehab [ Upstream commit 802774d8539fa73487190ec45438777a3c38d424 ] 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 Signed-off-by: Jonathan Corbet Message-ID: <233d1674db99ed8feb405a2f781de350f0fba0ac.1768823489.git.mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin --- 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 7a1eaf986bcd4..1ebb16b9bb087 100755 --- a/scripts/kernel-doc.py +++ b/scripts/kernel-doc.py @@ -116,6 +116,8 @@ SRC_DIR = os.path.dirname(os.path.realpath(__file__)) sys.path.insert(0, os.path.join(SRC_DIR, LIB_DIR)) +WERROR_RETURN_CODE = 3 + DESC = """ Read C language source or header FILEs, extract embedded documentation comments, and print formatted documentation to standard output. @@ -176,7 +178,21 @@ class MsgFormatter(logging.Formatter): return logging.Formatter.format(self, record) 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 happened. + """ parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter, description=DESC) @@ -323,16 +339,12 @@ def main(): if args.werror: print("%s warnings as errors" % error_count) # pylint: disable=C0209 - sys.exit(error_count) + sys.exit(WERROR_RETURN_CODE) if args.verbose: print("%s errors" % error_count) # pylint: disable=C0209 - if args.none: - sys.exit(0) - - sys.exit(error_count) - + sys.exit(0) # Call main method if __name__ == "__main__": -- 2.51.0