[Patch net 4/9] net_sched: remove unused tcf_idr_check()

[Cong Wang]

tcf_idr_check() is replaced by tcf_idr_check_alloc(),
and __tcf_idr_check() now can be folded into tcf_idr_search().

Fixes: 0190c1d452a9 ("net: sched: atomically check-allocate action")
Cc: Jiri Pirko <j...@mellanox.com>
Cc: Vlad Buslov <vla...@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangc...@gmail.com>
---
 include/net/act_api.h |  2 --
 net/sched/act_api.c   | 22 +++-------------------
 2 files changed, 3 insertions(+), 21 deletions(-)

diff --git a/include/net/act_api.h b/include/net/act_api.h
index e32708491d83..eaa0e8b93d5b 100644
--- a/include/net/act_api.h
+++ b/include/net/act_api.h
@@ -147,8 +147,6 @@ int tcf_generic_walker(struct tc_action_net *tn, struct 
sk_buff *skb,
                       const struct tc_action_ops *ops,
                       struct netlink_ext_ack *extack);
 int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index);
-bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
-                   int bind);
 int tcf_idr_create(struct tc_action_net *tn, u32 index, struct nlattr *est,
                   struct tc_action **a, const struct tc_action_ops *ops,
                   int bind, bool cpustats);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index ba55226928a3..d76948f02a02 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -300,21 +300,17 @@ int tcf_generic_walker(struct tc_action_net *tn, struct 
sk_buff *skb,
 }
 EXPORT_SYMBOL(tcf_generic_walker);
 
-static bool __tcf_idr_check(struct tc_action_net *tn, u32 index,
-                           struct tc_action **a, int bind)
+int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index)
 {
        struct tcf_idrinfo *idrinfo = tn->idrinfo;
        struct tc_action *p;
 
        spin_lock(&idrinfo->lock);
        p = idr_find(&idrinfo->action_idr, index);
-       if (IS_ERR(p)) {
+       if (IS_ERR(p))
                p = NULL;
-       } else if (p) {
+       else if (p)
                refcount_inc(&p->tcfa_refcnt);
-               if (bind)
-                       atomic_inc(&p->tcfa_bindcnt);
-       }
        spin_unlock(&idrinfo->lock);
 
        if (p) {
@@ -323,20 +319,8 @@ static bool __tcf_idr_check(struct tc_action_net *tn, u32 
index,
        }
        return false;
 }
-
-int tcf_idr_search(struct tc_action_net *tn, struct tc_action **a, u32 index)
-{
-       return __tcf_idr_check(tn, index, a, 0);
-}
 EXPORT_SYMBOL(tcf_idr_search);
 
-bool tcf_idr_check(struct tc_action_net *tn, u32 index, struct tc_action **a,
-                  int bind)
-{
-       return __tcf_idr_check(tn, index, a, bind);
-}
-EXPORT_SYMBOL(tcf_idr_check);
-
 static int tcf_idr_delete_index(struct tcf_idrinfo *idrinfo, u32 index)
 {
        struct tc_action *p;
-- 
2.14.4