From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f50.google.com (mail-lf1-f50.google.com [209.85.167.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC6D61867; Wed, 20 Apr 2022 17:40:04 +0000 (UTC) Received: by mail-lf1-f50.google.com with SMTP id y32so4282645lfa.6; Wed, 20 Apr 2022 10:40:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.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=fDm0hCeP1iuF9WL7RiqDe/J3rtlxPQX1zeA/vezHRa0=; b=WA6ZRCaU3cdlumlpbvWHxfloi03BAMhbknENhqsaWPbHRTCv9SZOTLs6l5atjl/rNB WhDgJgxuFoJ/Qjj/q6o0HjImWWNexAoe3iis41zRi8T7cp+cNxoIeLsaIrzGx7M+aP5f yTAUWAt+k6SrK4lNorKyp7zkayVMzWGHtU826B3wT4VF+PqS8rhJhhQw+6nzVJOpHjPO Z+fl0//75bOefoMVkqelSYCTT7/Fe7c10WZtohovtXDzsn3PyILek6foHM5/OQmQFSLW u1+mJd34DWLpm19EGHWC0J1RcHPjVNnGwatLnAkk0E4lmNtGfNVpgiVhfCCchSqTE+cC Tr+A== 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=fDm0hCeP1iuF9WL7RiqDe/J3rtlxPQX1zeA/vezHRa0=; b=WMEi57qSd9EkeFHulpYq+I8GI/7Dyrqw8rpQZMk5iPwa0aPWIAhDUAeVKlI7f4ydlm qRoRQLKBFGfYjj2jXICSpJErIaiBa2OC7sGFwsLlEzaTq9Y0ff4T0HVn+uG2h41mzFuh SiSTCqoyQCbadkYUSlEqv6V/cE0dJcb20ejmUr7YijtKJe5qBLlgniYYXqXIT4Q+pD8D jdUCMH5/ku2X5e1EUaexF9QO1fZ1xMGom7Kza5pWfCFD2nKuFI3UxxlDhBErCE0nOclH fyR52W9OiPSupTNPk5iABW6cEtXvNp4dZpOmIG6nAj5pJ3x9k7VuLC73T97MrvLXwUyL fi/Q== X-Gm-Message-State: AOAM530v76bN5SEh3pN8le9pnJQNBsjkJaPyTm01vPme7/CWdhcI/bnd yJNsgIFXH/jBYWWvqF8Yk9g= X-Google-Smtp-Source: ABdhPJxge8XTkpASmraJ0VjrGWjf9n/ju/ayI7pvlM3z8AJpfQOWU1Cqk3TRPVw0hpSrfMk+YQhJmQ== X-Received: by 2002:a05:6512:1504:b0:44b:36e:b50d with SMTP id bq4-20020a056512150400b0044b036eb50dmr15640332lfb.558.1650476402746; Wed, 20 Apr 2022 10:40:02 -0700 (PDT) Received: from ?IPV6:2001:14ba:9cae:8c00:9682:e720:334f:2fac? (dxw3k4yf2tnxwyp6sg02y-3.rev.dnainternet.fi. [2001:14ba:9cae:8c00:9682:e720:334f:2fac]) by smtp.gmail.com with ESMTPSA id s17-20020a195e11000000b0046eec768984sm1785063lfb.200.2022.04.20.10.40.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 20 Apr 2022 10:40:02 -0700 (PDT) Message-ID: <90e11a93-4f3a-2209-2bc2-acfb791b8ac0@gmail.com> Date: Wed, 20 Apr 2022 20:40:08 +0300 Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.8.0 Subject: Re: [PATCH] fs/ntfs3: remove redundant assignment to variable vcn Content-Language: en-US To: Colin Ian King , Konstantin Komarov , ntfs3@lists.linux.dev Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev References: <20220418140038.82843-1-colin.i.king@gmail.com> From: Kari Argillander In-Reply-To: <20220418140038.82843-1-colin.i.king@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18.4.2022 17.00, Colin Ian King wrote: > Variable vcn is being assigned a value that is never read, it is > being re-assigned again in the initialization of a for-loop. The > assignment is redundant and can be removed. > > Cleans up clang scan build warning: > fs/ntfs3/attrib.c:1176:7: warning: Value stored to 'vcn' during its > initialization is never read [deadcode.DeadStores] > > Signed-off-by: Colin Ian King Reviewed-by: Kari Argillander > --- > fs/ntfs3/attrib.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c > index e8c00dda42ad..fc0623b029e6 100644 > --- a/fs/ntfs3/attrib.c > +++ b/fs/ntfs3/attrib.c > @@ -1173,7 +1173,7 @@ int attr_load_runs_range(struct ntfs_inode *ni, enum ATTR_TYPE type, > { > struct ntfs_sb_info *sbi = ni->mi.sbi; > u8 cluster_bits = sbi->cluster_bits; > - CLST vcn = from >> cluster_bits; > + CLST vcn; > CLST vcn_last = (to - 1) >> cluster_bits; > CLST lcn, clen; > int err;