From patchwork Wed Feb 3 03:22:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 375637 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNPARSEABLE_RELAY, 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 85BEEC433E0 for ; Wed, 3 Feb 2021 03:23:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F32864E42 for ; Wed, 3 Feb 2021 03:23:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232920AbhBCDWb (ORCPT ); Tue, 2 Feb 2021 22:22:31 -0500 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]:39741 "EHLO out30-132.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232897AbhBCDWQ (ORCPT ); Tue, 2 Feb 2021 22:22:16 -0500 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R171e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04394; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0UNj9Q.4_1612322530; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UNj9Q.4_1612322530) by smtp.aliyun-inc.com(127.0.0.1); Wed, 03 Feb 2021 11:22:15 +0800 From: Jiapeng Chong To: bernie@plugable.com Cc: linux-fbdev@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Jiapeng Chong Subject: [PATCH] video: udlfb: convert sysfs sprintf/snprintf family to sysfs_emit Date: Wed, 3 Feb 2021 11:22:09 +0800 Message-Id: <1612322529-40629-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org Fix the following coccicheck warning: ./drivers/video/fbdev/udlfb.c:1452:8-16: WARNING: use scnprintf or sprintf. ./drivers/video/fbdev/udlfb.c:1444:8-16: WARNING: use scnprintf or sprintf. ./drivers/video/fbdev/udlfb.c:1436:8-16: WARNING: use scnprintf or sprintf. ./drivers/video/fbdev/udlfb.c:1428:8-16: WARNING: use scnprintf or sprintf. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/video/fbdev/udlfb.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c index f9b3c1c..d8c086d 100644 --- a/drivers/video/fbdev/udlfb.c +++ b/drivers/video/fbdev/udlfb.c @@ -1425,32 +1425,28 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev, struct device_attribute *a, char *buf) { struct fb_info *fb_info = dev_get_drvdata(fbdev); struct dlfb_data *dlfb = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", - atomic_read(&dlfb->bytes_rendered)); + return sysfs_emit(buf, "%u\n", atomic_read(&dlfb->bytes_rendered)); } static ssize_t metrics_bytes_identical_show(struct device *fbdev, struct device_attribute *a, char *buf) { struct fb_info *fb_info = dev_get_drvdata(fbdev); struct dlfb_data *dlfb = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", - atomic_read(&dlfb->bytes_identical)); + return sysfs_emit(buf, "%u\n", atomic_read(&dlfb->bytes_identical)); } static ssize_t metrics_bytes_sent_show(struct device *fbdev, struct device_attribute *a, char *buf) { struct fb_info *fb_info = dev_get_drvdata(fbdev); struct dlfb_data *dlfb = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", - atomic_read(&dlfb->bytes_sent)); + return sysfs_emit(buf, "%u\n", atomic_read(&dlfb->bytes_sent)); } static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, struct device_attribute *a, char *buf) { struct fb_info *fb_info = dev_get_drvdata(fbdev); struct dlfb_data *dlfb = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", - atomic_read(&dlfb->cpu_kcycles_used)); + return sysfs_emit(buf, "%u\n", atomic_read(&dlfb->cpu_kcycles_used)); } static ssize_t edid_show(