From: David Ahern <[email protected]>
Date: Wed, 8 Feb 2017 09:29:00 -0800
> An error was reported upgrading to 4.9.8:
> root@Typhoon:~# ip route add default table 210 nexthop dev eth0 via
> 10.68.64.1
> weight 1 nexthop dev eth0 via 10.68.64.2 weight 1
> RTNETLINK answers: Operation not supported
>
> The problem occurs when CONFIG_LWTUNNEL is not enabled and a multipath
> route is submitted.
>
> The point of lwtunnel_valid_encap_type_attr is catch modules that
> need to be loaded before any references are taken with rntl held. With
> CONFIG_LWTUNNEL disabled, there will be no modules to load so the
> lwtunnel_valid_encap_type_attr stub should just return 0.
>
> Fixes: 9ed59592e3e3 ("lwtunnel: fix autoload of lwt modules")
> Reported-by: [email protected]
> Signed-off-by: David Ahern <[email protected]>
Applied and queued up for -stable, thanks for fixing this so quickly David.
