diff options
Diffstat (limited to 'net/sched/sch_drr.c')
| -rw-r--r-- | net/sched/sch_drr.c | 30 |
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, |