From: Jiri Pirko <j...@resnulli.us>
Date: Fri, 8 Dec 2017 19:27:27 +0100
> From: Jiri Pirko <j...@mellanox.com>
>
> Since the block is freed with last chain being put, once we reach the
> end of iteration of list_for_each_entry_safe, the block may be
> already freed. I'm hitting this only by creating and deleting clsact:
...
> Fix this by holding the block also by chain 0 and put chain 0
> explicitly, out of the list_for_each_entry_safe loop at the very
> end of tcf_block_put_ext.
>
> Fixes: efbf78973978 ("net_sched: get rid of rcu_barrier() in
> tcf_block_put_ext()")
> Signed-off-by: Jiri Pirko <j...@mellanox.com>
Applied, thanks Jiri.
