From: Guillaume Nault <g.na...@alphalink.fr>
Date: Wed, 23 Mar 2016 16:38:55 +0100
> Let channels hold a reference on their network namespace.
> Some channel types, like ppp_async and ppp_synctty, can have their
> userspace controller running in a different namespace. Therefore they
> can't rely on them to preclude their netns from being removed from
> under them.
...
> Fixes: 273ec51dd7ce ("net: ppp_generic - introduce net-namespace
> functionality v2")
> Reported-by: Baozeng Ding <splovi...@gmail.com>
> Signed-off-by: Guillaume Nault <g.na...@alphalink.fr>
Applied and queued up for -stable, thanks!
