Message ID | 20210319165334.29213-4-andre.przywara@arm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=5UrE=IR=lists.infradead.org=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@kernel.org> 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=-17.0 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,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 92192C433DB for <linux-arm-kernel@archiver.kernel.org>; Fri, 19 Mar 2021 16:55:58 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 1FD7F6194E for <linux-arm-kernel@archiver.kernel.org>; Fri, 19 Mar 2021 16:55:58 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1FD7F6194E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:MIME-Version:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:References:In-Reply-To:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KUysW35wfNkK1gXewUDbW4L5juUfdqAiTifiuVt3ja0=; b=DuD9o20N2H1uGEJxFeinpDvd/Y u40tMfvh4exT+HSOJsho8T1DAL7dxaMiqT50UtvvhxyswKypTNCG8N17MwA0HoQUraVtLAROn7C4I 39hMTh+mllJexb0BTmXfCpuiFGZg9VybByTS7Vfdt9xUAShG2cgKiUY9Y0OZrZqgGWViclHIjd8Ig ct941IWb0UFxOIcvaB0VMWyRAUOEYIaF5Drw8yCAQOuqoQCuZyFUBfYiNNYO+n5qSHmaiXRBO8Ne1 4gksi1JWM33TB2d4yhkfEvcWVnQgf9Fh3910WlWXxCMcIe81pUfewbVcXUaRwmyfkkkJWMFlBLDI6 4z0tR4qg==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lNIOT-007lEy-6e; Fri, 19 Mar 2021 16:54:37 +0000 Received: from foss.arm.com ([217.140.110.172]) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lNINj-007l1r-Id for linux-arm-kernel@lists.infradead.org; Fri, 19 Mar 2021 16:53:54 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 28D7C113E; Fri, 19 Mar 2021 09:53:47 -0700 (PDT) Received: from e104803-lin.cambridge.arm.com (e104803-lin.cambridge.arm.com [10.1.197.64]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id E3EEC3F70D; Fri, 19 Mar 2021 09:53:45 -0700 (PDT) From: Andre Przywara <andre.przywara@arm.com> To: Will Deacon <will@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Shuah Khan <shuah@kernel.org> Cc: Amit Daniel Kachhap <amit.kachhap@arm.com>, Mark Brown <broonie@kernel.org>, Vincenzo Frascino <vincenzo.frascino@arm.com>, linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: [PATCH 03/11] kselftest/arm64: mte: ksm_options: Fix fscanf warning Date: Fri, 19 Mar 2021 16:53:26 +0000 Message-Id: <20210319165334.29213-4-andre.przywara@arm.com> X-Mailer: git-send-email 2.17.5 In-Reply-To: <20210319165334.29213-1-andre.przywara@arm.com> References: <20210319165334.29213-1-andre.przywara@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210319_165352_404270_E77CFFDD X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
Series |
kselftest/arm64: mte: Fix feature detection and compilation
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diff --git a/tools/testing/selftests/arm64/mte/check_ksm_options.c b/tools/testing/selftests/arm64/mte/check_ksm_options.c index 3b23c4d61d38..88c74bc46d4f 100644 --- a/tools/testing/selftests/arm64/mte/check_ksm_options.c +++ b/tools/testing/selftests/arm64/mte/check_ksm_options.c @@ -33,7 +33,10 @@ static unsigned long read_sysfs(char *str) ksft_print_msg("ERR: missing %s\n", str); return 0; } - fscanf(f, "%lu", &val); + if (fscanf(f, "%lu", &val) != 1) { + ksft_print_msg("ERR: parsing %s\n", str); + val = 0; + } fclose(f); return val; }
Out of the box Ubuntu's 20.04 compiler warns about missing return value checks for fscanf() calls. Make GCC happy by checking whether we actually parsed one integer. Signed-off-by: Andre Przywara <andre.przywara@arm.com> --- tools/testing/selftests/arm64/mte/check_ksm_options.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)