[PATCH net-next 11/22] net: sched: act_mirred: get rid of tcf_mirred_walker and tcf_mirred_search

[Zhengchao Shao]

Use __tcf_generic_walker() and __tcf_idr_search() helpers by saving
mirred_net_id when registering act_mirred_ops. And then remove the
walk and lookup hook functions in act_mirred.

Signed-off-by: Zhengchao Shao <shaozhengchao@xxxxxxxxxx>
---
 net/sched/act_mirred.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index a1d70cf86843..4b266a6cbb3f 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -373,23 +373,6 @@ 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, mirred_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, mirred_net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static int mirred_device_event(struct notifier_block *unused,
 			       unsigned long event, void *ptr)
 {
@@ -504,14 +487,13 @@ static int tcf_mirred_offload_act_setup(struct tc_action *act, void *entry_data,
 static struct tc_action_ops act_mirred_ops = {
 	.kind		=	"mirred",
 	.id		=	TCA_ID_MIRRED,
+	.net_id		=	&mirred_net_id,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_mirred_act,
 	.stats_update	=	tcf_stats_update,
 	.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),
-- 
2.17.1