linux-kernel - Re: [PATCH] powerpc: Fix crash introduced with commit 5657933dbb6e

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Message-ID: <CA+55aFzHpFA5GmCD0BB1jKwrpaze7g4qwEbZPF55bnQozCE81Q@mail.gmail.com>
Date:   Sat, 11 Mar 2017 09:07:24 -0800
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     Larry Finger <Larry.Finger@...inger.net>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        ppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        "regressions @ leemhuis . info" <regressions@...mhuis.info>
Subject: Re: [PATCH] powerpc: Fix crash introduced with commit 5657933dbb6e

On Thu, Mar 9, 2017 at 6:33 PM, Larry Finger <Larry.Finger@...inger.net> wrote:
>
> The problem was bisected to commit 5657933dbb6e ("treewide: Move dma_ops
> from struct dev_archdata into struct device"). The problem was a missing
> copy of critical information from struct dev_archdata into struct device,
> leading to the dereference of a null pointer.
>
> This fix was suggested by Benjamin Herrenschmidt.

I'm assuming I'll be getting this through the powerpc tree. Holler if
that isn't the case.

                Linus