Re: [PATCH 1/2] tuntap: forbid calling TUNSETIFF when detached

Eric Dumazet
2013-01-11T14:55:52Z

On Fri, 2013-01-11 at 16:50 +0800, Jason Wang wrote:

>
> + if (rcu_dereference_protected(tfile->detached, lockdep_rtnl_is_held()))
> + return -EINVAL;
> +

Thats an open coded rtnl_dereference()

(please cleanup the whole tun.c file)