From patchwork Fri Apr 2 09:05:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xuezhi Zhang X-Patchwork-Id: 12180443 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 5DA3FC433B4 for ; Fri, 2 Apr 2021 09:05:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2EEAD610E8 for ; Fri, 2 Apr 2021 09:05:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234275AbhDBJFL (ORCPT ); Fri, 2 Apr 2021 05:05:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229553AbhDBJFK (ORCPT ); Fri, 2 Apr 2021 05:05:10 -0400 Received: from mail-pl1-x632.google.com (mail-pl1-x632.google.com [IPv6:2607:f8b0:4864:20::632]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 777F7C0613E6; Fri, 2 Apr 2021 02:05:08 -0700 (PDT) Received: by mail-pl1-x632.google.com with SMTP id l1so2253541plg.12; Fri, 02 Apr 2021 02:05:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mCA52LnxgW5hjAvuxDGqbFSlZckDKlP65WIWKRvVIMU=; b=TaCV4uSnwrBEc8SboS0N1TQdq8jwpEVYiDzgV5Q/c0YHQHpVCNRvIgyrdwveKwTU+I ep4cMO5W2F4RfJnybDv/gK0MwddSRNWo3GTxLhM93agea/BZUqBwWd+16kJ7f2zrneDN pHby7c88i1xudNizZfIzh8rTXHh89Ig0Aed2I8MOU2KGZptsPQIwpJ/pC0uDJ4Oun7h5 dUEw2bKQQ2UyyGrPs8FUCGQP2LVFfd32EODNdqmHiEGo/mqN+NmujuF6Lv1BeKFxLZDV fwTQupw84ZmUQwqeKtiGxg+jtD4icdRuktt2nBedEQAja9maMTjJuussoT3C8USaR4Wb 5ojA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mCA52LnxgW5hjAvuxDGqbFSlZckDKlP65WIWKRvVIMU=; b=SIJ4M8RZm7V0x7jcFTmlu2APzmIgSKUczbElWbng1Iq64vV0IQ9OqNyXkJXEztfAGm lgwyI+sA8mwLstV4+rCCA7ugE/U8G89ZwgBEDae22xL3yHPq+YcumYjYCr+uVxDHGJuJ 8cl0BOdMd1v2Izkf+IFhvPb/6Q84jCOW50KQ1V4euxpfZhN4lcv7P0bNtCMO2lrL4rQS oWo7aYJZVgzSize66ejx54WAjY2nkDXul5YPt5HTzJKx2SNfuoWqLzP/G6T08BX7Md8C qHEcv29hUVc77PkwXn6ivqMsObc2I/b3bFPB8rJDCmhFn5G/QnchJbrByuUlia1HCv/G uQwA== X-Gm-Message-State: AOAM532HZgF/B+Qtn9cVJdJE/jOERx5GcZn5MGeXQzd/Y0dbMasyLnXz f89hCHGmIi9OUEiwaPxbGyG+wf1nwuOseWXX X-Google-Smtp-Source: ABdhPJwIE6dwJAZoV9M0FQR6LMsf6SjAEgt6wCg4eBQ8RCoATEiQSmZjb26E50hwZ7zQmqh0kHm3yg== X-Received: by 2002:a17:902:a585:b029:e7:3d46:660d with SMTP id az5-20020a170902a585b02900e73d46660dmr11634771plb.12.1617354308017; Fri, 02 Apr 2021 02:05:08 -0700 (PDT) Received: from localhost.localdomain ([103.220.76.197]) by smtp.gmail.com with ESMTPSA id js16sm7332353pjb.21.2021.04.02.02.05.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 02 Apr 2021 02:05:07 -0700 (PDT) From: Carlis To: gregkh@linuxfoundation.org, zhangxuezhi1@yulong.com Cc: dri-devel@lists.freedesktop.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org Subject: [PATCH] staging: fbtft: change snprintf() to scnprintf() Date: Fri, 2 Apr 2021 09:05:01 +0000 Message-Id: <20210402090501.152561-1-zhangxuezhi3@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Xuezhi Zhang show() must not use snprintf() when formatting the value to be returned to user space. Signed-off-by: Xuezhi Zhang --- drivers/staging/fbtft/fbtft-sysfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/fbtft/fbtft-sysfs.c b/drivers/staging/fbtft/fbtft-sysfs.c index 26e52cc2de64..7df92db648d6 100644 --- a/drivers/staging/fbtft/fbtft-sysfs.c +++ b/drivers/staging/fbtft/fbtft-sysfs.c @@ -199,7 +199,7 @@ static ssize_t show_debug(struct device *device, struct fb_info *fb_info = dev_get_drvdata(device); struct fbtft_par *par = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%lu\n", par->debug); + return scnprintf(buf, PAGE_SIZE, "%lu\n", par->debug); } static struct device_attribute debug_device_attr =