From nobody Thu Sep 18 20:23:25 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 785EDC4332F for ; Fri, 2 Dec 2022 07:28:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232489AbiLBH2q (ORCPT ); Fri, 2 Dec 2022 02:28:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232151AbiLBH2n (ORCPT ); Fri, 2 Dec 2022 02:28:43 -0500 Received: from mxct.zte.com.cn (mxct.zte.com.cn [183.62.165.209]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 12E318B181 for ; Thu, 1 Dec 2022 23:28:42 -0800 (PST) Received: from mse-fl1.zte.com.cn (unknown [10.5.228.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxct.zte.com.cn (FangMail) with ESMTPS id 4NNl143nJnz501Qh; Fri, 2 Dec 2022 15:28:40 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl1.zte.com.cn with SMTP id 2B27SYq9055125; Fri, 2 Dec 2022 15:28:34 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Fri, 2 Dec 2022 15:28:36 +0800 (CST) Date: Fri, 2 Dec 2022 15:28:36 +0800 (CST) X-Zmail-TransId: 2af96389a92462a65f16 X-Mailer: Zmail v1.0 Message-ID: <202212021528368292334@zte.com.cn> Mime-Version: 1.0 From: To: Cc: Subject: =?UTF-8?B?W1BBVENIXSBtZmQ6IHVzZSBzeXNmc19lbWl0KCkgdG8gaW5zdGVhZCBvZiBzY25wcmludGYoKQ==?= X-MAIL: mse-fl1.zte.com.cn 2B27SYq9055125 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.251.13.novalocal with ID 6389A928.000 by FangMail milter! X-FangMail-Envelope: 1669966120/4NNl143nJnz501Qh/6389A928.000/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 6389A928.000/4NNl143nJnz501Qh Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: ye xingchen Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: ye xingchen --- drivers/mfd/kempld-core.c | 7 +++---- drivers/mfd/lm3533-core.c | 2 +- 2 files changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c index bb26241c73bd..33c6cfe9fe42 100644 --- a/drivers/mfd/kempld-core.c +++ b/drivers/mfd/kempld-core.c @@ -349,7 +349,7 @@ static ssize_t pld_version_show(struct device *dev, { struct kempld_device_data *pld =3D dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%s\n", pld->info.version); + return sysfs_emit(buf, "%s\n", pld->info.version); } static ssize_t pld_specification_show(struct device *dev, @@ -357,8 +357,7 @@ static ssize_t pld_specification_show(struct device *de= v, { struct kempld_device_data *pld =3D dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%d.%d\n", pld->info.spec_major, - pld->info.spec_minor); + return sysfs_emit(buf, "%d.%d\n", pld->info.spec_major, pld->info.spec_mi= nor); } static ssize_t pld_type_show(struct device *dev, @@ -366,7 +365,7 @@ static ssize_t pld_type_show(struct device *dev, { struct kempld_device_data *pld =3D dev_get_drvdata(dev); - return scnprintf(buf, PAGE_SIZE, "%s\n", kempld_get_type_string(pld)); + return sysfs_emit(buf, "%s\n", kempld_get_type_string(pld)); } static DEVICE_ATTR_RO(pld_version); diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index be32ffc5af38..b353d93b0939 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -286,7 +286,7 @@ static ssize_t show_output(struct device *dev, val =3D (val & mask) >> shift; - return scnprintf(buf, PAGE_SIZE, "%u\n", val); + return sysfs_emit(buf, "%u\n", val); } static ssize_t store_output(struct device *dev, --=20 2.25.1