From nobody Mon May 25 00:09:08 2026 Received: from xmbghk7.mail.qq.com (xmbghk7.mail.qq.com [43.163.128.53]) (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 EDF3A39C65F; Wed, 20 May 2026 10:17:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=43.163.128.53 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779272261; cv=none; b=jjBfrDE66FJn9vIA+0kkn8T2xVlG5uO36BRlRhI4p7/YYSclmXnLUzLWs5FC7Os+8Wst89mWuJecZLLP0WsiQGdj3RTMZBWum2GdC9Z8Pe86XlZ7ABiYq35QE6kaRIV6PCtc23OSLOpIU5gCPKEdCAnuvZxi6aSTpq4kXiJYQm8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779272261; c=relaxed/simple; bh=SQuLb+3kxetYbXw6etzHKsQLXghQRPUoJNFs80H26Xg=; h=Message-ID:From:To:Cc:Subject:Date:MIME-Version; b=QVa8SX8lcX2i4hb/Qo94mgSHs0ooBIqmdf1j28zlxB6bamcLftoYKTuJus8H4D73sDUpg95Zr0OjBg7xBWHGURU2+n3gpmbTK2WqvTTUuOLOqOvRXMyyalCNl/E1TxZNLvrLosdsUSUX/b/PN9sozvegBEKRszW8JatyjlUINtU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=znyVmUPw; arc=none smtp.client-ip=43.163.128.53 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="znyVmUPw" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1779272246; bh=0+Kq9qtW53mQXksn0AbcKQrYXcQl/ZLBP7xRiGu3lPM=; h=From:To:Cc:Subject:Date; b=znyVmUPw9iIk49vt9DXABZNgIwg19Y+XJnW8hitVHGx4aeTiEvg0F67M3wlSRVjel FPEWZ3VOjECaoYOrS0do16xBjEg9DSfFqonmIjH1Y9EU1ycUmdX8RpwpEIdcqOLR2Q rO+V/0yZi0DW7WapQkN2D/D8wOQM8VxUHwn9I8Ds= Received: from localhost.localdomain ([116.128.244.169]) by newxmesmtplogicsvrsza73-0.qq.com (NewEsmtp) with SMTP id 45814E7B; Wed, 20 May 2026 18:17:24 +0800 X-QQ-mid: xmsmtpt1779272244t0mukj55z Message-ID: X-QQ-XMAILINFO: MlsYLnHA0UVjnQ/KK2UNzm8BJ/7lKBxOhYJIdQuOab83ggTAwq5bwgF4e6pqFS z05OrZdd2+WkzVos90/0LFcWXmQmkYG1AI1ytFX24TFV83gPPB63AD8M7S8z548xSewCNTjLSkeB 75GtKu8/UDvvKxg9EJ8JiuDCmi7IdVRh+m4Rji4iBXumfk4atji4oxQg3QLb6zUpndNRJ1El3VFa hA6B5rY2gqEAdgqWs0/5eWKq8vA2KUKGOuC/2zzbBav7wlGRmyF7X6q7Q6vw5hyIV+GvrSlzDVmR 4c/SZGMzgPvNMHowCi434IIKO8rTXMIr15Wmcp903TBsCBXzzkz2gMGFYkwLFH4zIEiajJWJ50wU 5kVmczgFwNLsUlXAWgetojMb0qJpQ4EPll3ctSTYQn23eCrrpt6XGGaoT0o+fLfwEQ2muEy2Z3Oj i103bZadZSji7xWVsLoICAP8Oj6Nbx6qo3wjy+pBjM6XUfGGkbC0MwxObEe6peskPT8fziR+PnCO w73XxZV1p/uL1H2PO/CNJSTEfQN0iGGi3xVvOHthmvSPpezYpHJhL/F32+y5eaJcY4zbt+DJDS74 kHBf/vGJWiPqYNRSJqArcqFdYlwFHvadIp0z3uF2slMzJGSam0Ug0u66F7gRu4YsJ7qD6bIPRiPQ YUJ81PfQ1lgemR24M8yA3d7T5BdvOH6N0fZe/jDTPpuOzVM39UO2ozDEm0o+ImyVhQiQFWBVTqIk nWc1/5uJuBXaBSE5k2KVdqSPxHKtVzK8SgqoH4eqYzCWyVuMon0LgmaUtapotcUxBVFEY04lfN37 jtCBs778YKvCq6dHBG9AR5QQryzO6ckBnkfrjUdlHr3hsKcG7dcdvKYgqnIar0RvXoUsZUGBNT+L Au4i0Zxbsj8H817j4e5ibljVjxn/+Q936lj1A1OjCP3YGEkpNViF7rKWY9M2h3lyONRZaXoD0Enl WdCnJiMv4slQZ5hBw4ZkWyeg7icJYpGQPT+ErmFIg= X-QQ-XMRINFO: OWPUhxQsoeAVwkVaQIEGSKwwgKCxK/fD5g== From: 2564278112@qq.com To: brgl@kernel.org, warthog618@gmail.com Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, Wang Jiang Subject: [PATCH] gpio: event-mon: Use O_RDONLY instead of 0 for open() Date: Wed, 20 May 2026 18:17:22 +0800 X-OQ-MSGID: <20260520101722.25268-1-2564278112@qq.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Wang Jiang Using explicit O_RDONLY flag for open() improves code readability and aligns with kernel coding standards instead of using raw 0. Signed-off-by: Wang Jiang --- tools/gpio/gpio-event-mon.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/gpio/gpio-event-mon.c b/tools/gpio/gpio-event-mon.c index b70813b0bf8e..590ca8db25cf 100644 --- a/tools/gpio/gpio-event-mon.c +++ b/tools/gpio/gpio-event-mon.c @@ -41,7 +41,7 @@ int monitor_device(const char *device_name, if (ret < 0) return -ENOMEM; =20 - cfd =3D open(chrdev_name, 0); + cfd =3D open(chrdev_name, O_RDONLY); if (cfd =3D=3D -1) { ret =3D -errno; fprintf(stderr, "Failed to open %s\n", chrdev_name); --=20 2.25.1