aboutsummaryrefslogtreecommitdiffstats
path: root/net/sched/sch_drr.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched/sch_drr.c')
-rw-r--r--net/sched/sch_drr.c30
1 files changed, 5 insertions, 25 deletions
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index 1d2f6235dfcf..2d0e8d4bdc29 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -20,7 +20,6 @@
struct drr_class {
struct Qdisc_class_common common;
- unsigned int refcnt;
unsigned int filter_cnt;
struct gnet_stats_basic_packed bstats;
@@ -111,7 +110,6 @@ static int drr_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
if (cl == NULL)
return -ENOBUFS;
- cl->refcnt = 1;
cl->common.classid = classid;
cl->quantum = quantum;
cl->qdisc = qdisc_create_dflt(sch->dev_queue,
@@ -163,32 +161,15 @@ static int drr_delete_class(struct Qdisc *sch, unsigned long arg)
drr_purge_queue(cl);
qdisc_class_hash_remove(&q->clhash, &cl->common);
- 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 unsigned long drr_get_class(struct Qdisc *sch, u32 classid)
-{
- struct drr_class *cl = drr_find_class(sch, classid);
- if (cl != NULL)
- cl->refcnt++;
-
- return (unsigned long)cl;
+ drr_destroy_class(sch, cl);
+ return 0;
}
-static void drr_put_class(struct Qdisc *sch, unsigned long arg)
+static unsigned long drr_search_class(struct Qdisc *sch, u32 classid)
{
- struct drr_class *cl = (struct drr_class *)arg;
-
- if (--cl->refcnt == 0)
- drr_destroy_class(sch, cl);
+ return (unsigned long)drr_find_class(sch, classid);
}
static struct tcf_block *drr_tcf_block(struct Qdisc *sch, unsigned long cl)
@@ -478,8 +459,7 @@ static void drr_destroy_qdisc(struct Qdisc *sch)
static const struct Qdisc_class_ops drr_class_ops = {
.change = drr_change_class,
.delete = drr_delete_class,
- .get = drr_get_class,
- .put = drr_put_class,
+ .find = drr_search_class,
.tcf_block = drr_tcf_block,
.bind_tcf = drr_bind_tcf,
.unbind_tcf = drr_unbind_tcf,