From patchwork Thu Dec 1 07:54:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 28229 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:adf:f944:0:0:0:0:0 with SMTP id q4csp130811wrr; Wed, 30 Nov 2022 23:58:09 -0800 (PST) X-Google-Smtp-Source: AA0mqf4w9Oaww+DgJ8eLx1oYhs/Y/JfbLwAJjrcrw3jB60XKB+GLvW7SSe5IlNk69sKveE8L55RR X-Received: by 2002:a05:6a00:98e:b0:574:6929:e50e with SMTP id u14-20020a056a00098e00b005746929e50emr38507583pfg.67.1669881489031; Wed, 30 Nov 2022 23:58:09 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1669881489; cv=none; d=google.com; s=arc-20160816; b=I2GTSogej9m2F3RzgRWFZ6ub+Fd+PVHfuCzW/RkwQm+h62VRdixmEVzFWSI39qIQcp E03Fk1+P7W7uYR5gW7Mcq1OTPTpzFnyj2OfQqRCxRAjMzRlL1QjlCfbFOrqxpLm8VqLX kEWrCXRPyh97Lbulp1a3Xr7AFUKp+zmVAYJsdV7PCzuNTU/roj1DXY96YJLHsFYtxktu mIoAmMFZhkOv5hTIwKOQQZuGy7K5l84eUvCIblR6My/JJbRoOXkX8mzgfRR8qS4/SXiU o+kc9GLyTfUsRRlz8k7Cohg6JXz9Es8lErNuiV37DglnMoW9CXAVkr3lna+nmTPQNS0t /MYA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:subject:cc:to:from:mime-version:message-id:date; bh=BAd0SDvlCMWV6hENrK1Oc1ATQh+NxODY7EyUxrujsDU=; b=Gfi8e/xvaL8WOoDLYDLnf+id8Z82AkYo8KFYiAutfjDhdrVCgJz+Hj5faRskHcsMdh tF6b2ofcuff0IqEgZMfvlKW3jViarekjcUkrE3L2r+iNNPpcppNk1Rnd7t0gUF1MV+VF iRJ5sdCa9zw1xGctAZCezpaC/iQkibmvDRe3OFNErpEpmohrD19uRqMQU04dhCjo7z0h NM1NUE/kYBk/4wCP91mC/xBfieGp35VcmnTC2lX8huqPruLY5Nm6o2+J+huo7FEzgMF5 KuJo9midn9vE2EMK4XL7OURpz+4p6SySmGTerCbLS79kAxdF6fo8tq0PthAdtmr/q3AF fEuw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=zte.com.cn Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id h184-20020a6383c1000000b0047875103016si600600pge.654.2022.11.30.23.57.56; Wed, 30 Nov 2022 23:58:09 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=zte.com.cn Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229800AbiLAHzF (ORCPT + 99 others); Thu, 1 Dec 2022 02:55:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229752AbiLAHzD (ORCPT ); Thu, 1 Dec 2022 02:55:03 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 106F251316; Wed, 30 Nov 2022 23:55:02 -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 4NN7dw5857z4xVng; Thu, 1 Dec 2022 15:55:00 +0800 (CST) Received: from xaxapp01.zte.com.cn ([10.88.40.50]) by mse-fl1.zte.com.cn with SMTP id 2B17sjnm013390; Thu, 1 Dec 2022 15:54:45 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Thu, 1 Dec 2022 15:54:47 +0800 (CST) Date: Thu, 1 Dec 2022 15:54:47 +0800 (CST) X-Zmail-TransId: 2af963885dc71a3191d5 X-Mailer: Zmail v1.0 Message-ID: <202212011554474934696@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , Subject: =?utf-8?q?=5BPATCH=5D_Input=3A_use_sysfs=5Femit=28=29_to_instead_of?= =?utf-8?q?_scnprintf=28=29?= X-MAIL: mse-fl1.zte.com.cn 2B17sjnm013390 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.138.novalocal with ID 63885DD4.002 by FangMail milter! X-FangMail-Envelope: 1669881300/4NN7dw5857z4xVng/63885DD4.002/10.5.228.132/[10.5.228.132]/mse-fl1.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 63885DD4.002/4NN7dw5857z4xVng X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1750997652108828619?= X-GMAIL-MSGID: =?utf-8?q?1750997652108828619?= From: ye xingchen Replace the open-code with sysfs_emit() to simplify the code. Signed-off-by: ye xingchen --- drivers/input/input.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/input/input.c b/drivers/input/input.c index ca2e3dd7188b..4e4643e74ac5 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1362,7 +1362,7 @@ static ssize_t input_dev_show_##name(struct device *dev, \ { \ struct input_dev *input_dev = to_input_dev(dev); \ \ - return scnprintf(buf, PAGE_SIZE, "%s\n", \ + return sysfs_emit(buf, "%s\n", \ input_dev->name ? input_dev->name : ""); \ } \ static DEVICE_ATTR(name, S_IRUGO, input_dev_show_##name, NULL) @@ -1455,7 +1455,7 @@ static ssize_t inhibited_show(struct device *dev, { struct input_dev *input_dev = to_input_dev(dev); - return scnprintf(buf, PAGE_SIZE, "%d\n", input_dev->inhibited); + return sysfs_emit(buf, "%d\n", input_dev->inhibited); } static ssize_t inhibited_store(struct device *dev, @@ -1502,7 +1502,7 @@ static ssize_t input_dev_show_id_##name(struct device *dev, \ char *buf) \ { \ struct input_dev *input_dev = to_input_dev(dev); \ - return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \ + return sysfs_emit(buf, "%04x\n", input_dev->id.name); \ } \ static DEVICE_ATTR(name, S_IRUGO, input_dev_show_id_##name, NULL)