net: sched: act_mirred: get rid of tcf_mirred_walker and tcf_mirred_search

tcf_mirred_walker() and tcf_mirred_search() do the same thing as generic
walk/search function, so remove them.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/act_mirred.c

@@ -372,23 +372,6 @@ static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind,
 	return -1;
 }
 
-static int tcf_mirred_walker(struct net *net, struct sk_buff *skb,
-			     struct netlink_callback *cb, int type,
-			     const struct tc_action_ops *ops,
-			     struct netlink_ext_ack *extack)
-{
-	struct tc_action_net *tn = net_generic(net, act_mirred_ops.net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_mirred_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, act_mirred_ops.net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static int mirred_device_event(struct notifier_block *unused,
 			       unsigned long event, void *ptr)
 {
@@ -509,8 +492,6 @@ static struct tc_action_ops act_mirred_ops = {
 	.dump		=	tcf_mirred_dump,
 	.cleanup	=	tcf_mirred_release,
 	.init		=	tcf_mirred_init,
-	.walk		=	tcf_mirred_walker,
-	.lookup		=	tcf_mirred_search,
 	.get_fill_size	=	tcf_mirred_get_fill_size,
 	.offload_act_setup =	tcf_mirred_offload_act_setup,
 	.size		=	sizeof(struct tcf_mirred),