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 CCB99CDB474 for ; Mon, 23 Oct 2023 06:41:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233651AbjJWGlu (ORCPT ); Mon, 23 Oct 2023 02:41:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59618 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233642AbjJWGl3 (ORCPT ); Mon, 23 Oct 2023 02:41:29 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A3104172B for ; Sun, 22 Oct 2023 23:41:15 -0700 (PDT) Received: from dggpemm500009.china.huawei.com (unknown [172.30.72.55]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4SDQSl55KkzcdYH; Mon, 23 Oct 2023 14:36:23 +0800 (CST) Received: from [10.174.178.209] (10.174.178.209) by dggpemm500009.china.huawei.com (7.185.36.225) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Mon, 23 Oct 2023 14:41:13 +0800 Message-ID: <9b543be7-a858-c982-3fcf-408701ae4ac9@huawei.com> Date: Mon, 23 Oct 2023 14:41:12 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.11.2 Subject: Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by ftl notifier To: Richard Weinberger , chengzhihao1 CC: Miquel Raynal , Vignesh Raghavendra , dpervushin , Artem Bityutskiy , linux-mtd , linux-kernel , yi zhang , yangerkun References: <20231018121618.778385-1-wangzhaolong1@huawei.com> <1381458025.20897.1697747248632.JavaMail.zimbra@nod.at> <891e554b-c133-6378-3a65-836fc9147e54@huawei.com> <441107100.23734.1697904580252.JavaMail.zimbra@nod.at> From: ZhaoLong Wang In-Reply-To: <441107100.23734.1697904580252.JavaMail.zimbra@nod.at> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.174.178.209] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To dggpemm500009.china.huawei.com (7.185.36.225) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > IOW, no mtdblock (hence, also no FTLs) on top of gluebi. > > What do you guys think? > > Thanks, > //richard > JFFS2 needs to work on the block device, so the mtdblock needs to work on the top of gluebi. This is directly reflected in the jffs2 mount command, such as # mount -t jffs2 /dev/mtdblockX /mnt/jffs2