From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cong Wang <xiyou.wangcong@gmail.com>
Subject: Re: [Patch net] 8021q: fix a memory leak for VLAN 0 device
Date: Tue, 9 Jan 2018 14:47:26 -0800
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References: <20180109214041.26842-1-xiyou.wangcong@gmail.com> <d7776500-f98c-d499-9bc4-f44e8dc5b411@cumulusnetworks.com>
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Cc: Linux Kernel Network Developers <netdev@vger.kernel.org>,
        Dmitry Vyukov <dvyukov@google.com>,
        Vlad Yasevich <vyasevich@gmail.com>,
        Ben Hutchings <ben.hutchings@codethink.co.uk>
To: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
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On Tue, Jan 9, 2018 at 2:30 PM, Nikolay Aleksandrov
<nikolay@cumulusnetworks.com> wrote:
>
> Just for reference - this is identical to the first part of:
> https://patchwork.ozlabs.org/patch/252891/
>
> I knew this looked familiar. :-)
>

Yeah, except bonding is not even involved. Unless I misread,
DaveM rejected it because of bond, which I never touch here.

The refcnt is paired in vlan_vid_{add,del}, and the calls are
paired in register/unreigster and NETDEV_UP/NETDEV_DOWN
after this patch.