From 6e6a50c254220acb19bd338ce433b1770e4a7a3c Mon Sep 17 00:00:00 2001
From: WANG Cong <xiyou.wangcong@gmail.com>
Date: Fri, 17 Jan 2014 11:37:03 -0800
Subject: net_sched: act: export tcf_hash_search() instead of tcf_hash_lookup()
So that we will not expose struct tcf_common to modules.
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>
---
include/net/act_api.h | 2 +-
net/sched/act_api.c | 6 +++---
net/sched/act_police.c | 8 ++------
3 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/include/net/act_api.h b/include/net/act_api.h
index 152316b3f59a..788d8378e587 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -97,7 +97,7 @@ struct tc_action_ops {
int (*walk)(struct sk_buff *, struct netlink_callback *, int, struct tc_action *);
};
-struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo);
+int tcf_hash_search(struct tc_action *a, u32 index);
void tcf_hash_destroy(struct tcf_common *p, struct tcf_hashinfo *hinfo);
int tcf_hash_release(struct tcf_common *p, int bind,
struct tcf_hashinfo *hinfo);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index b94825322d4d..72bdc7166345 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -156,7 +156,7 @@ static int tcf_generic_walker(struct sk_buff *skb, struct netlink_callback *cb,
}
}
-struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
+static struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
{
struct tcf_common *p = NULL;
struct hlist_head *head;
@@ -170,7 +170,6 @@ struct tcf_common *tcf_hash_lookup(u32 index, struct tcf_hashinfo *hinfo)
return p;
}
-EXPORT_SYMBOL(tcf_hash_lookup);
u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo)
{
@@ -186,7 +185,7 @@ u32 tcf_hash_new_index(struct tcf_hashinfo *hinfo)
}
EXPORT_SYMBOL(tcf_hash_new_index);
-static int tcf_hash_search(struct tc_action *a, u32 index)
+int tcf_hash_search(struct tc_action *a, u32 index)
{
struct tcf_hashinfo *hinfo = a->ops->hinfo;
struct tcf_common *p = tcf_hash_lookup(index, hinfo);
@@ -197,6 +196,7 @@ static int tcf_hash_search(struct tc_action *a, u32 index)
}
return 0;
}
+EXPORT_SYMBOL(tcf_hash_search);
struct tcf_common *tcf_hash_check(u32 index, struct tc_action *a, int bind)
{
diff --git a/net/sched/act_police.c b/net/sched/act_police.c
index c7093896cf14..1778209a332f 100644
--- a/net/sched/act_police.c
+++ b/net/sched/act_police.c
@@ -140,12 +140,8 @@ static int tcf_act_police_locate(struct net *net, struct nlattr *nla,
parm = nla_data(tb[TCA_POLICE_TBF]);
if (parm->index) {
- struct tcf_common *pc;
-
- pc = tcf_hash_lookup(parm->index, hinfo);
- if (pc != NULL) {
- a->priv = pc;
- police = to_police(pc);
+ if (tcf_hash_search(a, parm->index)) {
+ police = to_police(a->priv);
if (bind) {
police->tcf_bindcnt += 1;
police->tcf_refcnt += 1;
--
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