netdev - Re: [Patch net] net: change addr_list

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Date:   Thu, 18 Jun 2020 12:56:11 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     netdev <netdev@...r.kernel.org>,
        syzbot+f3a0e80c34b3fc28ac5e@...kaller.appspotmail.com,
        Taehee Yoo <ap420073@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>
Subject: Re: [Patch net] net: change addr_list_lock back to static key

On Thu, Jun 18, 2020 at 12:40 PM Vladimir Oltean <olteanv@...il.com> wrote:
>
> It's me with the stacked DSA devices again:

It looks like DSA never uses netdev API to link master
device with slave devices? If so, their dev->lower_level
are always 1, therefore triggers this warning.

I think it should call one of these netdev_upper_dev_link()
API's when creating a slave device.

Thanks.