From patchwork Thu Feb 4 03:32:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiapeng Chong X-Patchwork-Id: 12066193 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=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E6402C433E0 for ; Thu, 4 Feb 2021 03:34:25 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 8888564DB2 for ; Thu, 4 Feb 2021 03:34:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8888564DB2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:MIME-Version:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=6egeeWHdbkKOeTK4gFCUqQ+fSxhQloG6n1L7hX94Yfs=; b=w2/OOMyQ/NANuSO2W+7XBnrCmp O6Len9hhrXDdxS9Rl7oAxOJuFAyOe5ErKLkpQDvP0k254NYEIpDJLzmOGa7ZERTuv4DAFujkHGqEV KKGhjiesP26nRJ6XamXdy4qt9mzQf9BDN04i/TPhip7tilPlFOL6HYjOgt7FRoUHH35pDmSphYynO 5Zo7BD3QqbOqBMQZ7vu133oznd8zoCJPtCxDzPJzXKuY/yAbntyBIEICG61nbRgxAFNfRVN6hQ2WP Ao7jw7W09HXb2iE+elLbsxVfh9zXtGIw/hJLANlIL4ycfmlrerHH8U7OQh3LEvDI8cPmTOQ57AEIs /WBYfXNQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7VOG-0006tJ-KC; Thu, 04 Feb 2021 03:33:08 +0000 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1l7VOE-0006sV-Ig for linux-arm-kernel@lists.infradead.org; Thu, 04 Feb 2021 03:33:07 +0000 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R191e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=alimailimapcm10staff010182156082; MF=jiapeng.chong@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0UNp.PXn_1612409572; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:jiapeng.chong@linux.alibaba.com fp:SMTPD_---0UNp.PXn_1612409572) by smtp.aliyun-inc.com(127.0.0.1); Thu, 04 Feb 2021 11:32:57 +0800 From: Jiapeng Chong To: will@kernel.org Subject: [PATCH] drivers/perf: convert sysfs sprintf/snprintf family to sysfs_emit Date: Thu, 4 Feb 2021 11:32:51 +0800 Message-Id: <1612409571-56451-1-git-send-email-jiapeng.chong@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210203_223306_906439_0352B716 X-CRM114-Status: UNSURE ( 9.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, Jiapeng Chong , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Fix the following coccicheck warning: ./drivers/perf/arm-cci.c:708:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:699:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:528:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:309:8-16: WARNING: use scnprintf or sprintf. Reported-by: Abaci Robot Signed-off-by: Jiapeng Chong --- drivers/perf/arm-cci.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index 87c4be9..efc39cb 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -306,7 +306,7 @@ static ssize_t cci400_pmu_cycle_event_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "config=0x%lx\n", (unsigned long)eattr->var); + return sysfs_emit(buf, "config=0x%lx\n", (unsigned long)eattr->var); } static int cci400_get_event_idx(struct cci_pmu *cci_pmu, @@ -525,8 +525,8 @@ static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* Global events have single fixed source code */ - return snprintf(buf, PAGE_SIZE, "event=0x%lx,source=0x%x\n", - (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); + return sysfs_emit(buf, "event=0x%lx,source=0x%x\n", + (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); } /* @@ -696,7 +696,7 @@ static ssize_t cci_pmu_format_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "%s\n", (char *)eattr->var); + return sysfs_emit(buf, "%s\n", (char *)eattr->var); } static ssize_t cci_pmu_event_show(struct device *dev, @@ -705,8 +705,7 @@ static ssize_t cci_pmu_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* source parameter is mandatory for normal PMU events */ - return snprintf(buf, PAGE_SIZE, "source=?,event=0x%lx\n", - (unsigned long)eattr->var); + return sysfs_emit(buf, "source=?,event=0x%lx\n", (unsigned long)eattr->var); } static int pmu_is_valid_counter(struct cci_pmu *cci_pmu, int idx)