netdev - Re: [PATCH net v4 12/12] virt_wifi: fix refcnt leak in module exit routine

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Date:   Sat, 28 Sep 2019 20:57:58 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Taehee Yoo <ap420073@...il.com>, davem@...emloft.net,
        netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
        jakub.kicinski@...ronome.com, j.vosburgh@...il.com,
        vfalico@...il.com, andy@...yhouse.net, jiri@...nulli.us,
        sd@...asysnail.net, roopa@...ulusnetworks.com, saeedm@...lanox.com,
        manishc@...vell.com, rahulv@...vell.com, kys@...rosoft.com,
        haiyangz@...rosoft.com, stephen@...workplumber.org,
        sashal@...nel.org, hare@...e.de, varun@...lsio.com,
        ubraun@...ux.ibm.com, kgraul@...ux.ibm.com,
        jay.vosburgh@...onical.com, schuffelen@...gle.com, bjorn@...k.no
Subject: Re: [PATCH net v4 12/12] virt_wifi: fix refcnt leak in module exit
 routine

On Sat, 2019-09-28 at 16:48 +0000, Taehee Yoo wrote:
> virt_wifi_newlink() calls netdev_upper_dev_link() and it internally
> holds reference count of lower interface.
[...]
> This patch adds notifier routine to delete upper interface before deleting
> lower interface.

Good catch, thanks!

For now I'll assume this will go in through net together with the whole
series (once ready), shout if you want something else.

johannes