linux-kernel - Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by ftl notifier

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Message-ID: <9b543be7-a858-c982-3fcf-408701ae4ac9@huawei.com>
Date:   Mon, 23 Oct 2023 14:41:12 +0800
From:   ZhaoLong Wang <wangzhaolong1@...wei.com>
To:     Richard Weinberger <richard@....at>,
        chengzhihao1 <chengzhihao1@...wei.com>
CC:     Miquel Raynal <miquel.raynal@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        dpervushin <dpervushin@...eddedalley.com>,
        Artem Bityutskiy <Artem.Bityutskiy@...ia.com>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        yi zhang <yi.zhang@...wei.com>,
        yangerkun <yangerkun@...wei.com>
Subject: Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by
 ftl notifier

> 
> 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