From: Vlad Buslov <vla...@mellanox.com> Date: Fri, 15 Feb 2019 17:17:56 +0200
> Check that filter is not NULL before passing it to tcf_walker->fn()
> callback. This can happen when mall_change() failed to offload filter to
> hardware.
>
> Fixes: ed76f5edccc9 ("net: sched: protect filter_chain list with
> filter_chain_lock mutex")
> Reported-by: Ido Schimmel <ido...@mellanox.com>
> Tested-by: Ido Schimmel <ido...@mellanox.com>
> Signed-off-by: Vlad Buslov <vla...@mellanox.com>
Applied.
