From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
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 33D95C001E0
	for <linux-kernel@archiver.kernel.org>; Mon, 23 Oct 2023 07:16:41 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S233391AbjJWHQl convert rfc822-to-8bit (ORCPT
        <rfc822;linux-kernel@archiver.kernel.org>);
        Mon, 23 Oct 2023 03:16:41 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58246 "EHLO
        lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S229650AbjJWHQi (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Mon, 23 Oct 2023 03:16:38 -0400
Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130])
        by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F752A4
        for <linux-kernel@vger.kernel.org>; Mon, 23 Oct 2023 00:16:36 -0700 (PDT)
Received: from localhost (localhost [127.0.0.1])
        by lithops.sigma-star.at (Postfix) with ESMTP id 3C89263DCAB7;
        Mon, 23 Oct 2023 09:16:35 +0200 (CEST)
Received: from lithops.sigma-star.at ([127.0.0.1])
        by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10032)
        with ESMTP id GhSGQ0lnLFwA; Mon, 23 Oct 2023 09:16:35 +0200 (CEST)
Received: from localhost (localhost [127.0.0.1])
        by lithops.sigma-star.at (Postfix) with ESMTP id F04A663DCAB6;
        Mon, 23 Oct 2023 09:16:34 +0200 (CEST)
Received: from lithops.sigma-star.at ([127.0.0.1])
        by localhost (lithops.sigma-star.at [127.0.0.1]) (amavisd-new, port 10026)
        with ESMTP id ANGj1riZCLj9; Mon, 23 Oct 2023 09:16:34 +0200 (CEST)
Received: from lithops.sigma-star.at (lithops.sigma-star.at [195.201.40.130])
        by lithops.sigma-star.at (Postfix) with ESMTP id D5D4F6343CC3;
        Mon, 23 Oct 2023 09:16:34 +0200 (CEST)
Date:   Mon, 23 Oct 2023 09:16:34 +0200 (CEST)
From:   Richard Weinberger <richard@nod.at>
To:     ZhaoLong Wang <wangzhaolong1@huawei.com>
Cc:     chengzhihao1 <chengzhihao1@huawei.com>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        dpervushin <dpervushin@embeddedalley.com>,
        Artem Bityutskiy <Artem.Bityutskiy@nokia.com>,
        linux-mtd <linux-mtd@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        yi zhang <yi.zhang@huawei.com>,
        yangerkun <yangerkun@huawei.com>
Message-ID: <666729575.29280.1698045394797.JavaMail.zimbra@nod.at>
In-Reply-To: <739480f1-4899-6da7-c9ac-9d4fd26c2474@huawei.com>
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> <9b543be7-a858-c982-3fcf-408701ae4ac9@huawei.com> <1141312317.29142.1698043564332.JavaMail.zimbra@nod.at> <739480f1-4899-6da7-c9ac-9d4fd26c2474@huawei.com>
Subject: Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by
 ftl notifier
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8BIT
X-Originating-IP: [195.201.40.130]
X-Mailer: Zimbra 8.8.12_GA_3807 (ZimbraWebClient - FF97 (Linux)/8.8.12_GA_3809)
Thread-Topic: gluebi: Fix NULL pointer dereference caused by ftl notifier
Thread-Index: spZ1ewmsFOBUVtjgTNaJFxPPvB9MNg==
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

----- Ursprüngliche Mail -----
> Von: "ZhaoLong Wang" <wangzhaolong1@huawei.com>
> But this modification rejects this usage. and rejects other block device
> file systems (such as ext4) from working on gluebi.

Are you using ext4 on top of gluebi?
Please explain in detail why.

Thanks,
//richard