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Diffstat (limited to 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c36
1 files changed, 8 insertions, 28 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 5bf5177b2bd3..7e148376ba52 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -107,7 +107,6 @@ struct htb_class {
struct tcf_proto __rcu *filter_list; /* class attached filters */
struct tcf_block *block;
int filter_cnt;
- int refcnt; /* usage count of this class */
int level; /* our level (see above) */
unsigned int children;
@@ -193,6 +192,10 @@ static inline struct htb_class *htb_find(u32 handle, struct Qdisc *sch)
return container_of(clc, struct htb_class, common);
}
+static unsigned long htb_search(struct Qdisc *sch, u32 handle)
+{
+ return (unsigned long)htb_find(handle, sch);
+}
/**
* htb_classify - classify a packet into class
*
@@ -1187,16 +1190,7 @@ static void htb_qlen_notify(struct Qdisc *sch, unsigned long arg)
{
struct htb_class *cl = (struct htb_class *)arg;
- if (cl->un.leaf.q->q.qlen == 0)
- htb_deactivate(qdisc_priv(sch), cl);
-}
-
-static unsigned long htb_get(struct Qdisc *sch, u32 classid)
-{
- struct htb_class *cl = htb_find(classid, sch);
- if (cl)
- cl->refcnt++;
- return (unsigned long)cl;
+ htb_deactivate(qdisc_priv(sch), cl);
}
static inline int htb_parent_last_child(struct htb_class *cl)
@@ -1318,22 +1312,10 @@ static int htb_delete(struct Qdisc *sch, unsigned long arg)
if (last_child)
htb_parent_to_leaf(q, cl, new_q);
- BUG_ON(--cl->refcnt == 0);
- /*
- * This shouldn't happen: we "hold" one cops->get() when called
- * from tc_ctl_tclass; the destroy method is done from cops->put().
- */
-
sch_tree_unlock(sch);
- return 0;
-}
-static void htb_put(struct Qdisc *sch, unsigned long arg)
-{
- struct htb_class *cl = (struct htb_class *)arg;
-
- if (--cl->refcnt == 0)
- htb_destroy_class(sch, cl);
+ htb_destroy_class(sch, cl);
+ return 0;
}
static int htb_change_class(struct Qdisc *sch, u32 classid,
@@ -1424,7 +1406,6 @@ static int htb_change_class(struct Qdisc *sch, u32 classid,
}
}
- cl->refcnt = 1;
cl->children = 0;
INIT_LIST_HEAD(&cl->un.leaf.drop_list);
RB_CLEAR_NODE(&cl->pq_node);
@@ -1600,8 +1581,7 @@ static const struct Qdisc_class_ops htb_class_ops = {
.graft = htb_graft,
.leaf = htb_leaf,
.qlen_notify = htb_qlen_notify,
- .get = htb_get,
- .put = htb_put,
+ .find = htb_search,
.change = htb_change_class,
.delete = htb_delete,
.walk = htb_walk,