From: Jakub Kicinski <jakub.kicin...@netronome.com>
Date: Wed, 25 Oct 2017 11:47:05 -0700
> From: Pieter Jansen van Vuuren <pieter.jansenvanvuu...@netronome.com>
>
> Previously we did not ensure that a netdev is a representative netdev
> before dereferencing its private data. This can occur when an upper netdev
> is created on a representative netdev. This patch corrects this by first
> ensuring that the netdev is a representative netdev before using it.
> Checking only switchdev_port_same_parent_id is not sufficient to ensure
> that we can safely use the netdev. Failing to check that the netdev is also
> a representative netdev would result in incorrect dereferencing.
>
> Fixes: 1a1e586f54bf ("nfp: add basic action capabilities to flower offloads")
> Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
> Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuu...@netronome.com>
Applied and queued up for -stable.
