From 6e6a50c254220acb19bd338ce433b1770e4a7a3c Mon Sep 17 00:00:00 2001 From: WANG Cong Date: Fri, 17 Jan 2014 11:37:03 -0800 Subject: [PATCH] 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 Cc: David S. Miller Signed-off-by: Cong Wang Signed-off-by: Jamal Hadi Salim Signed-off-by: David S. Miller --- 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;