net: sched: act_ipt: get rid of tcf_ipt_walker/tcf_xt_walker and tcf_ipt_search/tcf_xt_search

tcf_ipt_walker()/tcf_xt_walker() and tcf_ipt_search()/tcf_xt_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_ipt.c

@@ -313,23 +313,6 @@ static int tcf_ipt_dump(struct sk_buff *skb, struct tc_action *a, int bind,
 	return -1;
 }
 
-static int tcf_ipt_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_ipt_ops.net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_ipt_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, act_ipt_ops.net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static struct tc_action_ops act_ipt_ops = {
 	.kind		=	"ipt",
 	.id		=	TCA_ID_IPT,
@@ -338,8 +321,6 @@ static struct tc_action_ops act_ipt_ops = {
 	.dump		=	tcf_ipt_dump,
 	.cleanup	=	tcf_ipt_release,
 	.init		=	tcf_ipt_init,
-	.walk		=	tcf_ipt_walker,
-	.lookup		=	tcf_ipt_search,
 	.size		=	sizeof(struct tcf_ipt),
 };
 
@@ -362,23 +343,6 @@ static struct pernet_operations ipt_net_ops = {
 	.size = sizeof(struct tc_action_net),
 };
 
-static int tcf_xt_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_xt_ops.net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_xt_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, act_xt_ops.net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static struct tc_action_ops act_xt_ops = {
 	.kind		=	"xt",
 	.id		=	TCA_ID_XT,
@@ -387,8 +351,6 @@ static struct tc_action_ops act_xt_ops = {
 	.dump		=	tcf_ipt_dump,
 	.cleanup	=	tcf_ipt_release,
 	.init		=	tcf_xt_init,
-	.walk		=	tcf_xt_walker,
-	.lookup		=	tcf_xt_search,
 	.size		=	sizeof(struct tcf_ipt),
 };