[PATCH net-next 02/22] net: sched: act_bpf: get rid of tcf_bpf_walker and tcf_bpf_search

[Zhengchao Shao]

Use __tcf_generic_walker() and __tcf_idr_search() helpers by saving
bpf_net_id when registering act_bpf_ops. And then remove the walk
and lookup hook functions in act_bpf.

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

diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c
index fea2d78b9ddc..d7fc5c4157d6 100644
--- a/net/sched/act_bpf.c
+++ b/net/sched/act_bpf.c
@@ -390,33 +390,15 @@ static void tcf_bpf_cleanup(struct tc_action *act)
 	tcf_bpf_cfg_cleanup(&tmp);
 }
 
-static int tcf_bpf_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, bpf_net_id);
-
-	return tcf_generic_walker(tn, skb, cb, type, ops, extack);
-}
-
-static int tcf_bpf_search(struct net *net, struct tc_action **a, u32 index)
-{
-	struct tc_action_net *tn = net_generic(net, bpf_net_id);
-
-	return tcf_idr_search(tn, a, index);
-}
-
 static struct tc_action_ops act_bpf_ops __read_mostly = {
 	.kind		=	"bpf",
 	.id		=	TCA_ID_BPF,
+	.net_id		=	&bpf_net_id,
 	.owner		=	THIS_MODULE,
 	.act		=	tcf_bpf_act,
 	.dump		=	tcf_bpf_dump,
 	.cleanup	=	tcf_bpf_cleanup,
 	.init		=	tcf_bpf_init,
-	.walk		=	tcf_bpf_walker,
-	.lookup		=	tcf_bpf_search,
 	.size		=	sizeof(struct tcf_bpf),
 };
 
-- 
2.17.1