From 13990f8156862fe945a1a226850a6550c8988a33 Mon Sep 17 00:00:00 2001
From: John Fastabend <john.fastabend@gmail.com>
Date: Sun, 5 Oct 2014 21:28:20 -0700
Subject: [PATCH] net: sched: cls_cgroup tear down exts and ematch from rcu
 callback

It is not RCU safe to destroy the action chain while there
is a possibility of readers accessing it. Move this code
into the rcu callback using the same rcu callback used in the
code patch to make a change to head.

Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Acked-by: Cong Wang <cwang@twopensource.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reading git-format-patch failed