On Fri, Jan 11, 2013 at 04:50:41PM +0800, Jason Wang wrote: > @@ -1546,6 +1544,9 @@ static int tun_set_iff(struct net *net, struct file > *file, struct ifreq *ifr) > struct net_device *dev; > int err; > > + if (rcu_dereference_protected(tfile->detached, lockdep_rtnl_is_held())) > + return -EINVAL; > +
How come none of the other tfile->detached users call rcu_*()? Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/