On 17.08.2016 12:28, Mike Manning wrote:
> +static void dev_disable_change(struct inet6_dev *idev);
>
> /*
> * Configured unicast address hash table
> @@ -1945,6 +1946,12 @@ lock_errdad:
>
> pr_info("%s: IPv6 being disabled!\n",
> ifp->idev->dev->name);
> + spin_unlock_bh(&ifp->lock);
> + addrconf_dad_stop(ifp, 1);
> + rtnl_lock();
> + dev_disable_change(idev);
> + rtnl_unlock();
> + return;
> }
> }
You can't take rtnl_lock at that point but must postpone the actions and
do that in addrconf_dad_work.
Probably the whole ... else if (idev->cnf.accept_dad > 1 && ...) needs
to move there.
Bye,
Hannes
