net: sched: act_gact: get rid of tcf_gact_walker and tcf_gact_search

tcf_gact_walker() and tcf_gact_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_gact.c

@@ -221,23 +221,6 @@ static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
 	return -1;
 }
 
-static int tcf_gact_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_gact_ops.net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_gact_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, act_gact_ops.net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static size_t tcf_gact_get_fill_size(const struct tc_action *act)
 {
 	size_t sz = nla_total_size(sizeof(struct tc_gact)); /* TCA_GACT_PARMS */
@@ -307,8 +290,6 @@ static struct tc_action_ops act_gact_ops = {
 	.stats_update	=	tcf_gact_stats_update,
 	.dump		=	tcf_gact_dump,
 	.init		=	tcf_gact_init,
-	.walk		=	tcf_gact_walker,
-	.lookup		=	tcf_gact_search,
 	.get_fill_size	=	tcf_gact_get_fill_size,
 	.offload_act_setup =	tcf_gact_offload_act_setup,
 	.size		=	sizeof(struct tcf_gact),