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[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