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

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Date: Sat, 22 Jun 2024 22:07:10 +0100
From: Daniel Golle <daniel@...rotopia.org>
To: Gagan Sidhu <broly@....com>
Cc: Zhihao Cheng <chengzhihao1@...wei.com>,
	Richard Weinberger <richard@....at>,
	ZhaoLong Wang <wangzhaolong1@...wei.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-mtd <linux-mtd@...ts.infradead.org>,
	Miquel Raynal <miquel.raynal@...tlin.com>,
	Vignesh Raghavendra <vigneshr@...com>,
	yangerkun <yangerkun@...wei.com>, yi zhang <yi.zhang@...wei.com>
Subject: Re: [PATCH v2] ubi: gluebi: Fix NULL pointer dereference caused by
 ftl notifier

On Fri, Jun 21, 2024 at 08:43:47PM -0600, Gagan Sidhu wrote:
> [...]
> GLUEBI should be operating on the /dev/mtdblockX device and not ubiblock0_0 and thus the boot procedure created by openwrt should be unaffected.
> 
> at least that’s how i would understand the situation if each are creating their own devices.
> 
> we need to figure out a solution or maybe master rich should end our ongoing discussion because technically “it’s not mainline” and we’re probably boring the recipients.

I've suggested a simple solution here:

https://lkml.org/lkml/2024/6/17/1602

You could try that and let us know if it resolves the issue for you.