From: Cong Wang <[email protected]>
Date: Thu, 2 Nov 2017 17:32:08 -0700
> Callers of tcf_block_put() could pass NULL so
> we can't use block->q before checking if block is
> NULL or not.
>
> tcf_block_put_ext() callers are fine, it is always
> non-NULL.
>
> Fixes: 8c4083b30e56 ("net: sched: add block bind/unbind notif. and extended
> block_get/put")
> Reported-by: Dave Taht <[email protected]>
> Cc: Jiri Pirko <[email protected]>
> Signed-off-by: Cong Wang <[email protected]>
Applied, thanks Cong.
