From: Wei Wang <wei...@google.com>
Date: Fri, 27 Oct 2017 17:30:12 -0700
> From: Wei Wang <wei...@google.com>
>
> Cached routes should only be created by the system when receiving pmtu
> discovery or ip redirect msg. Users should not be allowed to create
> cached routes.
>
> Furthermore, after the patch series to move cached routes into exception
> table, user added cached routes will trigger the following warning in
> fib6_add():
...
> So we fix this by failing the attemp to add cached routes from userspace
> with returning EINVAL error.
>
> Fixes: 2b760fcf5cfb ("ipv6: hook up exception table to store dst cache")
> Signed-off-by: Wei Wang <wei...@google.com>
> Signed-off-by: Eric Dumazet <eduma...@google.com>
Applied, thank you.
