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 X-Spam-Level: X-Spam-Status: No, score=-7.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 956A5C433E1 for ; Mon, 24 Aug 2020 19:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4CADB20866 for ; Mon, 24 Aug 2020 19:45:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="XFo2LL3y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726656AbgHXTpq (ORCPT ); Mon, 24 Aug 2020 15:45:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726119AbgHXTpp (ORCPT ); Mon, 24 Aug 2020 15:45:45 -0400 Received: from mail-pj1-x1043.google.com (mail-pj1-x1043.google.com [IPv6:2607:f8b0:4864:20::1043]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E84BC061574 for ; Mon, 24 Aug 2020 12:45:44 -0700 (PDT) Received: by mail-pj1-x1043.google.com with SMTP id d4so4746843pjx.5 for ; Mon, 24 Aug 2020 12:45:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=XLzPGl4Eap2WEQDnCBOMpgiVYB87oR4tNzXe04U1Yus=; b=XFo2LL3y7AhxhrbYL3AA5QloXwqCtv51CFv+ivg2vqei/6inK40GT7BuWmfnCoqsag 0TB19Ve8hTo23hLyYbP2EB4J627lToJoVqRnzGrN0ziDNgINk1UHHXiIlQxRxVjxoDyO MrfK8UK5FHNIHYSB07msbw8lRemEDR8lfZ74UIMQxiiklijoaS5ZwdC8vGg3NnN/cu9/ 4aJlQnL7TX1W4yY0mNjKPq+5tV+qzpORVVVTA9X90A8/BN7DIlPfo6iWc5bWHhY20bj+ k1SHQTfNN67IP3GLzbkCDC8jlXLCty/OmE3lRGlaYyL/0Ynxx8vKbjUuEIHUWt5FxZJO rKdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=XLzPGl4Eap2WEQDnCBOMpgiVYB87oR4tNzXe04U1Yus=; b=jmDYBetH9YUIe6+tOYTCZuq39C03HwYnuzhIM6U6xXDo1O309SsU+1iNGyzTgU5+A7 fScDIlQzOOzRFWe9uoAzG8/fLCoCAaMKFUjR2Ayt0XSZcJ04UlnqAaG2g20ewWBebfWE cfur3G6JFx/vtANr3eWf+tytyHU8S9UMiFuyLj1+j6YVnCF/N87PNK4P/zqe85HSwMTs 0GUqjWvWLtPhN+7TFuh1JpX7K/nFhk7w+Oy9fy4yOTLDKb26PCBrovTtfOJOGnVkvqyL +3xsM6PLcDDCk1nAvJUB45NoMCenqfTk9AXkCJxIgizlWZsLfUUUY/TtYduUfNMtka3f ALng== X-Gm-Message-State: AOAM53036iDxzK3jrm3TNoduGSWz+SlAsO/ywkcWuMsOGCIzX7CU3etb bZ7vEAAakMqNspzhScrVs8lZOjy9L5X5/t/7 X-Google-Smtp-Source: ABdhPJwS7A/m7RK1cRDv1D4biUVRSI0CtsgcuILfl5254A5JscLQW1n+XDBrmv9+ubuiC+AL2ZrNnQ== X-Received: by 2002:a17:90a:ac07:: with SMTP id o7mr702682pjq.194.1598298343792; Mon, 24 Aug 2020 12:45:43 -0700 (PDT) Received: from ?IPv6:2620:10d:c085:21e8::193f? ([2620:10d:c090:400::5:b493]) by smtp.gmail.com with ESMTPSA id j14sm1880974pgj.3.2020.08.24.12.45.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 24 Aug 2020 12:45:43 -0700 (PDT) Subject: Re: [PATCH] rnbd: fix uninitialized variable To: Tong Zhang , danil.kipnis@cloud.ionos.com, jinpu.wang@cloud.ionos.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200824194322.337375-1-ztong0001@gmail.com> From: Jens Axboe Message-ID: <3b904063-ca08-092d-a861-e1c80d511ab1@kernel.dk> Date: Mon, 24 Aug 2020 13:45:41 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200824194322.337375-1-ztong0001@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/24/20 1:43 PM, Tong Zhang wrote: > variable err is uninitialized when bio is an error code It's fixed in Linus's tree: commit 17bc10300c69bd51b82983cdadafa0a7791f074e Author: Nathan Chancellor Date: Mon Aug 17 23:49:25 2020 -0700 block/rnbd: Ensure err is always initialized in process_rdma -- Jens Axboe