From patchwork Mon Mar 22 01:19:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "tiantao (H)" X-Patchwork-Id: 12153449 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 742E4C433C1 for ; Mon, 22 Mar 2021 01:19:11 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E207C6191A for ; Mon, 22 Mar 2021 01:19:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E207C6191A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=hisilicon.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 12F8D89169; Mon, 22 Mar 2021 01:19:10 +0000 (UTC) Received: from szxga06-in.huawei.com (szxga06-in.huawei.com [45.249.212.32]) by gabe.freedesktop.org (Postfix) with ESMTPS id 08B7389169 for ; Mon, 22 Mar 2021 01:19:08 +0000 (UTC) Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4F3c6v5vvDzkZFg; Mon, 22 Mar 2021 09:17:27 +0800 (CST) Received: from localhost.localdomain (10.69.192.56) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.498.0; Mon, 22 Mar 2021 09:19:01 +0800 From: Tian Tao To: , , , , Subject: [PATCH] drm/sysfs: Convert sysfs sprintf/snprintf family to sysfs_emit Date: Mon, 22 Mar 2021 09:19:38 +0800 Message-ID: <1616375978-12151-1-git-send-email-tiantao6@hisilicon.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-Originating-IP: [10.69.192.56] X-CFilter-Loop: Reflected X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Fix the following coccicheck warning: drivers/gpu/drm/drm_sysfs.c:172:8-16: WARNING: use scnprintf or sprintf drivers/gpu/drm/drm_sysfs.c:185:8-16: WARNING: use scnprintf or sprintf drivers/gpu/drm/drm_sysfs.c:159:8-16: WARNING: use scnprintf or sprintf Signed-off-by: Tian Tao Reviewed-by: Daniel Vetter --- drivers/gpu/drm/drm_sysfs.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index f0336c8..968a956 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -156,8 +156,8 @@ static ssize_t status_show(struct device *device, status = READ_ONCE(connector->status); - return snprintf(buf, PAGE_SIZE, "%s\n", - drm_get_connector_status_name(status)); + return sysfs_emit(buf, "%s\n", + drm_get_connector_status_name(status)); } static ssize_t dpms_show(struct device *device, @@ -169,8 +169,7 @@ static ssize_t dpms_show(struct device *device, dpms = READ_ONCE(connector->dpms); - return snprintf(buf, PAGE_SIZE, "%s\n", - drm_get_dpms_name(dpms)); + return sysfs_emit(buf, "%s\n", drm_get_dpms_name(dpms)); } static ssize_t enabled_show(struct device *device, @@ -182,7 +181,7 @@ static ssize_t enabled_show(struct device *device, enabled = READ_ONCE(connector->encoder); - return snprintf(buf, PAGE_SIZE, enabled ? "enabled\n" : "disabled\n"); + return sysfs_emit(buf, enabled ? "enabled\n" : "disabled\n"); } static ssize_t edid_show(struct file *filp, struct kobject *kobj,