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Date:   Thu, 10 Aug 2023 17:43:00 +0200
From:   hch <hch@lst.de>
To:     Richard Weinberger <richard@nod.at>
Cc:     hch <hch@lst.de>, Stephan Wurm <stephan.wurm@a-eberle.de>,
        linux-block <linux-block@vger.kernel.org>,
        Miquel Raynal <miquel.raynal@bootlin.com>,
        Vignesh Raghavendra <vigneshr@ti.com>,
        linux-mtd <linux-mtd@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>,
        Johannes Eigner <johannes.eigner@a-eberle.de>
Subject: Re: ubiblock: null pointer dereference using scatterlist in
 work_queue
Message-ID: <20230810154300.GA28000@lst.de>
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On Thu, Aug 10, 2023 at 12:43:59AM +0200, Richard Weinberger wrote:
> > deprecated kmap_atomic to kmap_local first you can sleep and don't
> > need bounce buffers.
> 
> Yep, for upstream kmap_local will do the trick, but I need also something
> for the stable trees.
> Anyway, time to get some sleep.

Maybe just copy and paste it with the kmap_local change and then do
another patch (series) to unify them again.  IIRC we also have a copy
and paste version in an mmc driver somewhere.