From nobody Thu Sep 18 09:57:52 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 155D7C352A1 for ; Wed, 7 Dec 2022 07:37:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229782AbiLGHhL (ORCPT ); Wed, 7 Dec 2022 02:37:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60262 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229713AbiLGHgf (ORCPT ); Wed, 7 Dec 2022 02:36:35 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCA693057A; Tue, 6 Dec 2022 23:36:21 -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 mxhk.zte.com.cn (FangMail) with ESMTPS id 4NRpxc3WY4z4xVnm; Wed, 7 Dec 2022 15:36:20 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl1.zte.com.cn with SMTP id 2B77a2Qs054104; Wed, 7 Dec 2022 15:36:02 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Wed, 7 Dec 2022 15:36:05 +0800 (CST) Date: Wed, 7 Dec 2022 15:36:05 +0800 (CST) X-Zmail-TransId: 2af96390426508a78d7d X-Mailer: Zmail v1.0 Message-ID: <202212071536050872424@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , , , Subject: =?UTF-8?B?W1BBVENIXSBpaW86IGNoZW1pY2FsOiBzY2QzMDogQ29udmVydCB0byB1c2Ugc3lzZnNfZW1pdF9hdCgpIEFQSQ==?= X-MAIL: mse-fl1.zte.com.cn 2B77a2Qs054104 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.138.novalocal with ID 63904274.001 by FangMail milter! X-FangMail-Envelope: 1670398580/4NRpxc3WY4z4xVnm/63904274.001/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63904274.001/4NRpxc3WY4z4xVnm 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/iio/chemical/scd30_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30= _core.c index 682fca39d14d..76a48dbdfe2e 100644 --- a/drivers/iio/chemical/scd30_core.c +++ b/drivers/iio/chemical/scd30_core.c @@ -354,7 +354,7 @@ static ssize_t sampling_frequency_available_show(struct= device *dev, struct devi ssize_t len =3D 0; do { - len +=3D scnprintf(buf + len, PAGE_SIZE - len, "0.%09u ", 1000000000 / i= ); + len +=3D sysfs_emit_at(buf, len, "0.%09u ", 1000000000 / i); /* * Not all values fit PAGE_SIZE buffer hence print every 6th * (each frequency differs by 6s in time domain from the --=20 2.25.1