net_sched: act: fetch hinfo from a->ops->hinfo
Every action ops has a pointer to hash info, so we don't need to
hard-code it in each module.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 35f89e9..b948253 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -62,8 +62,9 @@
EXPORT_SYMBOL(tcf_hash_release);
static int tcf_dump_walker(struct sk_buff *skb, struct netlink_callback *cb,
- struct tc_action *a, struct tcf_hashinfo *hinfo)
+ struct tc_action *a)
{
+ struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct tcf_common *p;
int err = 0, index = -1, i = 0, s_i = 0, n_i = 0;
@@ -109,9 +110,9 @@
goto done;
}
-static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a,
- struct tcf_hashinfo *hinfo)
+static int tcf_del_walker(struct sk_buff *skb, struct tc_action *a)
{
+ struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct hlist_head *head;
struct hlist_node *n;
struct tcf_common *p;
@@ -145,12 +146,10 @@
static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
int type, struct tc_action *a)
{
- struct tcf_hashinfo *hinfo = a->ops->hinfo;
-
if (type == RTM_DELACTION) {
- return tcf_del_walker(skb, a, hinfo);
+ return tcf_del_walker(skb, a);
} else if (type == RTM_GETACTION) {
- return tcf_dump_walker(skb, cb, a, hinfo);
+ return tcf_dump_walker(skb, cb, a);
} else {
WARN(1, "tcf_generic_walker: unknown action %d\n", type);
return -EINVAL;
@@ -199,9 +198,9 @@
return 0;
}
-struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind,
- struct tcf_hashinfo *hinfo)
+struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind)
{
+ struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = NULL;
if (index && (p = tcf_hash_lookup(index, hinfo)) != NULL) {
if (bind)
@@ -214,9 +213,9 @@
EXPORT_SYMBOL(tcf_hash_check);
struct tcf_common *tcf_hash_create(u32 index, struct nlattr *est,
- struct tc_action *a, int size, int bind,
- struct tcf_hashinfo *hinfo)
+ struct tc_action *a, int size, int bind)
{
+ struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = kzalloc(size, GFP_KERNEL);
if (unlikely(!p))
@@ -495,6 +494,7 @@
if (a == NULL)
goto err_mod;
+ a->ops = a_o;
INIT_LIST_HEAD(&a->list);
/* backward compatibility for policer */
if (name == NULL)
@@ -510,7 +510,6 @@
*/
if (err != ACT_P_CREATED)
module_put(a_o->owner);
- a->ops = a_o;
return a;