On Wed, 2 Jun 2021 11:16:32 +0200 Christian Brauner wrote:
> > diff --git a/net/socket.c b/net/socket.c
> > index 27e3e7d53f8e..3b44f2700e0c 100644
> > --- a/net/socket.c
> > +++ b/net/socket.c
> > @@ -1081,6 +1081,8 @@ static long sock_do_ioctl(struct net *net, struct socket *sock,
> >
> > struct ns_common *get_net_ns(struct ns_common *ns)
> > {
> > + if (!IS_ENABLED(CONFIG_NET_NS))
> > + return ERR_PTR(-EOPNOTSUPP);
> > return &get_net(container_of(ns, struct net, ns))->ns;
> > }
> > EXPORT_SYMBOL_GPL(get_net_ns);
>
> Yeah, that's better than my hack. :) Maybe this function should simply
> move over to net/core/net_namespace.c with the other netns getters, e.g.
> get_net_ns_by_fd()?
SGTM!
