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 7A270C25B4E for ; Sun, 22 Jan 2023 20:49:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229989AbjAVUtF (ORCPT ); Sun, 22 Jan 2023 15:49:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47018 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229879AbjAVUtE (ORCPT ); Sun, 22 Jan 2023 15:49:04 -0500 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 62B5A1C309 for ; Sun, 22 Jan 2023 12:49:03 -0800 (PST) Received: by mail-pl1-x631.google.com with SMTP id p24so9618007plw.11 for ; Sun, 22 Jan 2023 12:49:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=5WJZMQA7v4Th1qcxlhjbVBkGKPGVYQAd/RZT7qOQl8U=; b=kt0tafUOm0RxWZP0+BbaOKGRYiP89lUi7mOxliO2REmvNBNgn9fWT/DAzXu7XM80pa rPM2c1goiHbQvBrorvYNcJrw4hH5ecLv9x5JD3v3ge5Q7xOmfjLweHJfYaeMxVKZB2De mO5XMZz42JyiZZPhCDrr3U2JXm0lhDXDjXqETAxBrjxTMNUQieZldZbCnW1k8I1nnB/V CIdwKKY9zbKcppBWDB7ZuScmHMuhVjtGvPNuCbDluI7dU/71myIXe/9ncMi4g4D3ufbr quI/wu9Iezx4w6+VeE5QV60qhFYxrPDYtlH925ztGlqdwqW7MCjWE+isA3HWV6r4qc2H qItg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5WJZMQA7v4Th1qcxlhjbVBkGKPGVYQAd/RZT7qOQl8U=; b=34oHnPtDeTJB0Sb4WA0mP4+58ZknNncbcbiMrmd/6IG2K59avpCo4HKvKRhAW9ATP3 T/czOXLQ49AuxFMDvDmscJA+5h058fZUfASjMDYAK75evuhe2DmvFUWl+AHF4Atrt5gU BTgAG+2r6KtjBR9+T8O6VjQgVHtqOhsEG9fWX5t2iQW9EBWImpKHZ+QT7O2u3nEUdn95 9woCeUcu5lOx7giNc/hHpAwMF45Y45PqtDqZUa8ot4xDhB40Pumlb5oNF7YiMb7yO9pL ulWv2zVdVp8++/So3gtUmTqoU/NXNt8s8NWHFW/FsRy5Lb15kQL1pq3ZyW21vYz2B6Pa leBg== X-Gm-Message-State: AFqh2kqhfzpn+EyOeR5fqVgpJz791zvGx0htIiUNsdtx1ugfn22me1xy mJV+zMct0OGsm3jICsEajQq7GQ== X-Google-Smtp-Source: AMrXdXvyQSV+qYXNvJm+cGGxO2TAXRsOirLpHAx65emFQK0O6KYlUqfGqEx6JIp+BtRNcviWHOKlbQ== X-Received: by 2002:a05:6a20:429e:b0:b5:f664:b4bc with SMTP id o30-20020a056a20429e00b000b5f664b4bcmr7108121pzj.2.1674420542819; Sun, 22 Jan 2023 12:49:02 -0800 (PST) Received: from [192.168.1.136] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id u64-20020a627943000000b00581816425f3sm29636220pfc.112.2023.01.22.12.49.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 22 Jan 2023 12:49:02 -0800 (PST) Message-ID: <1a501bc9-7058-6c47-0ebf-44459bc0e730@kernel.dk> Date: Sun, 22 Jan 2023 13:49:00 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v2] paride/pcd: return earlier when an error happens in pcd_atapi() To: Tom Rix , tim@cyberelk.net, nathan@kernel.org, ndesaulniers@google.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev References: <20230122154901.505142-1-trix@redhat.com> Content-Language: en-US From: Jens Axboe In-Reply-To: <20230122154901.505142-1-trix@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 1/22/23 8:49 AM, Tom Rix wrote: > clang static analysis reports > drivers/block/paride/pcd.c:856:36: warning: The left operand of '&' > is a garbage value [core.UndefinedBinaryOperatorResult] > tocentry->cdte_ctrl = buffer[5] & 0xf; > ~~~~~~~~~ ^ Has this one been compiled? I'm guessing not tested... In any case, this code is going away hopefully shortly, so let's not bother with changes like this. -- Jens Axboe