From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88C6FC433F5 for ; Sun, 8 May 2022 23:39:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233501AbiEHXnl (ORCPT ); Sun, 8 May 2022 19:43:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231226AbiEHXnj (ORCPT ); Sun, 8 May 2022 19:43:39 -0400 Received: from mail-pf1-x429.google.com (mail-pf1-x429.google.com [IPv6:2607:f8b0:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE3FF9FEE for ; Sun, 8 May 2022 16:39:43 -0700 (PDT) Received: by mail-pf1-x429.google.com with SMTP id i24so10824983pfa.7 for ; Sun, 08 May 2022 16:39:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=0Fk9q2wfMTU5E0RXXO2TYgguLljwQ6xqMwEk6TDsdlU=; b=wY3J39TPH39dOxnwLSzrS/92AyWzYfqZpW2VUeWFYChy6h2i1JZT9Imd9TNmAn75cJ bwXaMix/3uigiF1YkTMA5Q419t2mS4f/5PsSVD8u3VftrI++rOLNvmIp61sqZnMC5ESX KGmYS0T7/Q0q3EeOCSmkBE1cMrPM2hE91glin3Vzo8B5kSIm1PjDGD2WoeoPqwh93E6c x4mV8p8e0wIuBavS20Tniv1H7KL1/0os+kBTkq4iWVbZ41QMS2wWBhdh4Dfmp8Avk8zW y/Cj74FzBJYZC96wKCJc/wBStmUwcVIy5UBfxRxZIsorwwTvgkwwskrcEmPtN6B/LB+H yhXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=0Fk9q2wfMTU5E0RXXO2TYgguLljwQ6xqMwEk6TDsdlU=; b=MG8Io08SYY7aq+BZLkuWunde7+VQfykCA7iDl+CjnZ/Uaihib32d88DkkdszbnUX5S 8hny3HxnTERNxBra6juacsAXhsOBl7Fiv3tYd67P3czz5wQJyRkfSO7MigK26uzxGZ7N oIBLiLVcaUsj3VMwPFZsiAh0Vtobz8AemnA2IMR7btMJ8klYZI0mdefN/tMS+oFBBPyf K6gF83rigJyEzSJCENKfhq+tCnG8E0iuAWppp8Kx09fm6/5SYRcBCYtmRDgXlT1oYJ3n IbvR5XUTfQO+UnPoAaChxmUPlS1tGj7vik3jExFqka+h91aWq08icm9Jfu4lVHp/+Z1P y45g== X-Gm-Message-State: AOAM530LkPRekQdOopgo1fBqo03oP9bol/Lxi7x38BF9NJ993hP2VKfu wUmTQukWNCnu9WoH3dRVJJMVdg== X-Google-Smtp-Source: ABdhPJyptYpvZmOl7i/ADERhsb3D3uvcKnTFigv/RxTHQ8pSCp7y+lltJmAHuLhY8s0FDPMd2Og6+Q== X-Received: by 2002:a65:6e0d:0:b0:3c6:12af:15b4 with SMTP id bd13-20020a656e0d000000b003c612af15b4mr11094141pgb.338.1652053183261; Sun, 08 May 2022 16:39:43 -0700 (PDT) Received: from [192.168.1.100] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id m7-20020a1709026bc700b0015e8d4eb1f0sm5639687plt.58.2022.05.08.16.39.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 08 May 2022 16:39:42 -0700 (PDT) Message-ID: <1e4264e6-55ed-7681-0aff-ce1dd9d6fd9a@kernel.dk> Date: Sun, 8 May 2022 17:39:41 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.8.1 Subject: Re: [PATCH] relay: remove redundant assignment to pointer buf Content-Language: en-US To: Colin Ian King , Christoph Hellwig , Andrew Morton Cc: kernel-janitors@vger.kernel.org, Kalle Valo , linux-kernel@vger.kernel.org References: <20220508212152.58753-1-colin.i.king@gmail.com> From: Jens Axboe In-Reply-To: <20220508212152.58753-1-colin.i.king@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/8/22 3:21 PM, Colin Ian King wrote: > Pointer buf is being assigned a value that is not being read, buf > is being re-assigned in the next starement. The assignment is > redundant and can be removed. > > Cleans up clang scan build warning: > kernel/relay.c:443:8: warning: Although the value stored to 'buf' is > used in the enclosing expression, the value is never actually read > from 'buf' [deadcode.DeadStores] Andrew, I'm assuming you'll pick this up? Reviewed-by: Jens Axboe -- Jens Axboe