linux-kernel - Re: [PATCH v2] ARM: Add sanity check for dev->periphid in amba

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Message-ID: <CACRpkdYhx4zT9F1CTEvAPjB1EmBD6CFenTJpwQ-KPg1+zCsYGg@mail.gmail.com>
Date:   Tue, 30 Aug 2022 13:19:41 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     "Leizhen (ThunderTown)" <thunder.leizhen@...wei.com>,
        Saravana Kannan <saravanak@...gle.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        patches@...linux.org.uk, Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: Re: [PATCH v2] ARM: Add sanity check for dev->periphid in amba_probe()

On Tue, Aug 30, 2022 at 12:37 PM Russell King (Oracle)
<linux@...linux.org.uk> wrote:

> >         ... ...
> >         driver_probe_device(drv, dev);
> >              ......
> >                   dev->bus->probe
>
> And that makes no sense, is an already known issue, and there is a patch
> to fix it:
>
> https://lore.kernel.org/all/20220817184026.3468620-1-isaacmanjarres@google.com/

This patch to the driver core fixes my QEMU issue as well, I'll try
to reply in-thread. Thanks for pointing this out Russell!

Yours,
Linus Walleij