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-rw-r--r--net/sched/sch_cbq.c38
1 files changed, 17 insertions, 21 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index d5798e1..5b132c4 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1621,29 +1621,25 @@ static int cbq_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
{
struct cbq_class *cl = (struct cbq_class*)arg;
- if (cl) {
- if (new == NULL) {
- new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
- &pfifo_qdisc_ops,
- cl->common.classid);
- if (new == NULL)
- return -ENOBUFS;
- } else {
+ if (new == NULL) {
+ new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+ &pfifo_qdisc_ops, cl->common.classid);
+ if (new == NULL)
+ return -ENOBUFS;
+ } else {
#ifdef CONFIG_NET_CLS_ACT
- if (cl->police == TC_POLICE_RECLASSIFY)
- new->reshape_fail = cbq_reshape_fail;
+ if (cl->police == TC_POLICE_RECLASSIFY)
+ new->reshape_fail = cbq_reshape_fail;
#endif
- }
- sch_tree_lock(sch);
- *old = cl->q;
- cl->q = new;
- qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
- qdisc_reset(*old);
- sch_tree_unlock(sch);
-
- return 0;
}
- return -ENOENT;
+ sch_tree_lock(sch);
+ *old = cl->q;
+ cl->q = new;
+ qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
+ qdisc_reset(*old);
+ sch_tree_unlock(sch);
+
+ return 0;
}
static struct Qdisc *
@@ -1651,7 +1647,7 @@ cbq_leaf(struct Qdisc *sch, unsigned long arg)
{
struct cbq_class *cl = (struct cbq_class*)arg;
- return cl ? cl->q : NULL;
+ return cl->q;
}
static void cbq_qlen_notify(struct Qdisc *sch, unsigned long arg)
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