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=-5.3 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 B5318C48BCF for ; Wed, 9 Jun 2021 15:11:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9CFDE61184 for ; Wed, 9 Jun 2021 15:11:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238778AbhFIPNO (ORCPT ); Wed, 9 Jun 2021 11:13:14 -0400 Received: from mail-pf1-f169.google.com ([209.85.210.169]:41529 "EHLO mail-pf1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230519AbhFIPNM (ORCPT ); Wed, 9 Jun 2021 11:13:12 -0400 Received: by mail-pf1-f169.google.com with SMTP id x73so18611422pfc.8 for ; Wed, 09 Jun 2021 08:11:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=IBXcSszBYphaifHgOC2J5NicZzuUQ/7ILUQKgpfvwwk=; b=C2gl0t8sa0OyDrmf3CGQvVpN7nKMUYnmoNEFFTwsu1rvQew7e5y/VeHC/86fkQDjj4 kS0WkTlD8Ceci0rRgBKGIOxxqx5mmfAnsGvIW4D2hP0H2CT8FkfLRyfO4wnEn3CRImXQ 6hODDRY2KZ2bteVDwMEgv89PWnibSd6Icuq5M/TzFpQgWtOnTzVmHILLuywqqKJ8IWvN /GmlpLSyFKiWDVC3wFptS7roPpZxXJqRptRC78LSgz5Q0HQe6Gdy7IRSYoP7kDF1ahzd BhDgkaAtBM/PIMwxNDJcCpkOKifkUn+sZTr+VKvHFOtBW0z2aMry+BxYol6/GICuQnbX Bomw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=IBXcSszBYphaifHgOC2J5NicZzuUQ/7ILUQKgpfvwwk=; b=UUCTlMiTejlymvNAWuzlEbmuztwvxXrjoyLeMMYw7O2qnkfOehTJPlxs/5CVZs/K0u ulSTIOWxz9qUMYKjKzThHchdfsvrlJhLXIzX47hOuLqf7tBOS+OaVnyjU+FUWUoMgoEj DU+Cq+iLfqA+tINGVsZf7YPkyhHi3Yl7zPmQHrmmAJmSALBlFSrgTgPhVUUy1feUbc+U /810srFQ7tWuW0idQ2NHHIb8l4UJ7d9e4Z4dADoXBnAFnlyD+Rm85D9Z8xgLfdN2f9rW Vaz3nNVQl09NEu7IRUBX4KCVZ19/X1d7W4WIDJBwa+sJ+Np9KLL5I8WHOlyhUMOPsNve FU1A== X-Gm-Message-State: AOAM532cGIHRqlF3X5rb45RIClZJdL8Xmxq/MYTiLBmiylYFnrOEZDBT OEGO9NkBg92t6Way3shAxpPPH+7bzHxlDQ== X-Google-Smtp-Source: ABdhPJz/wOFlRsZKTXHwHzYsamAIgxhiZCMsps1pYK3Xqq2UY0/65dNFjGGQY7E5ydXHaeMf6n8wUw== X-Received: by 2002:a63:1114:: with SMTP id g20mr132875pgl.385.1623251401815; Wed, 09 Jun 2021 08:10:01 -0700 (PDT) Received: from [192.168.4.41] (cpe-72-132-29-68.dc.res.rr.com. [72.132.29.68]) by smtp.gmail.com with ESMTPSA id u14sm77968pjx.14.2021.06.09.08.10.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 09 Jun 2021 08:10:00 -0700 (PDT) Subject: Re: [PATCH] libnvdimm/pmem: Fix pmem_pagemap_cleanup compile warning To: Dan Williams Cc: Stephen Rothwell , linux-block@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org References: <20210609135237.22bde319@canb.auug.org.au> <162321342919.2151549.7438715629081965798.stgit@dwillia2-desk3.amr.corp.intel.com> From: Jens Axboe Message-ID: Date: Wed, 9 Jun 2021 09:10:02 -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: <162321342919.2151549.7438715629081965798.stgit@dwillia2-desk3.amr.corp.intel.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/8/21 10:37 PM, Dan Williams wrote: > The recent fix to pmem_pagemap_cleanup() to solve a NULL pointer > dereference with the queue_to_disk() helper neglected to remove the @q > variable when queue_to_disk() was replaced. > > Drop the conversion of @pgmap to its containing 'struct request_queue' > since pgmap->owner supersedes the need to reference @q. I folded this in. -- Jens Axboe