On Mon, Apr 19, 2021 at 02:16:01PM -0700, Jakub Kicinski wrote:
> On Sun, 18 Apr 2021 23:11:44 +0200 Pablo Neira Ayuso wrote:
> > Patch 2ed37183abb7 ("netfilter: flowtable: separate replace, destroy and
> > stats to different workqueues") splits the workqueue per event type. Add
> > a mutex to serialize updates.
> >
> > Fixes: 502e84e2382d ("net: ethernet: mtk_eth_soc: add flow offloading
> > support")
> > Reported-by: Frank Wunderlich <fran...@public-files.de>
> > Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
>
> This driver doesn't set unlocked_driver_cb, why is it expected to take
> any locks? I thought the contract is that caller should hold rtnl.
No rtnl lock is held from the netfilter side, see:
42f1c2712090 ("netfilter: nftables: comment indirect serialization of
commit_mutex with rtnl_mutex")
