Stephen Hemminger <[email protected]> writes:

> I think this fixes the issue with disable_ipv6

Somehow I doubt deleting the ipv6 state, and removing the per device
disable_ipv6 flag is going to be backwards compatible.

echo 0 > /proc/sys/net/ipv6/conf/disable_ipv6

Won't work.

What ever other good properties calling NETDEV_UNREGISTER for ipv6
devices may have.

Eric

> --- a/net/ipv6/addrconf.c     2011-01-23 20:30:25.897243002 +1100
> +++ b/net/ipv6/addrconf.c     2011-01-23 20:30:41.161243002 +1100
> @@ -4197,7 +4197,7 @@ static void dev_disable_change(struct in
>               return;
>  
>       if (idev->cnf.disable_ipv6)
> -             addrconf_notify(NULL, NETDEV_DOWN, idev->dev);
> +             addrconf_notify(NULL, NETDEV_UNREGISTER, idev->dev);
>       else
>               addrconf_notify(NULL, NETDEV_UP, idev->dev);
>  }

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