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net_sched: introduce qdisc_replace() helper
[firefly-linux-kernel-4.4.55.git]
/
net
/
sched
/
sch_tbf.c
diff --git
a/net/sched/sch_tbf.c
b/net/sched/sch_tbf.c
index a4afde14e8656cca6c0688bc2d092334edaf69df..56a1aef3495f43aa0bada3e7d46e303e5d237562 100644
(file)
--- a/
net/sched/sch_tbf.c
+++ b/
net/sched/sch_tbf.c
@@
-502,13
+502,7
@@
static int tbf_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
if (new == NULL)
new = &noop_qdisc;
- sch_tree_lock(sch);
- *old = q->qdisc;
- q->qdisc = new;
- qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
- qdisc_reset(*old);
- sch_tree_unlock(sch);
-
+ *old = qdisc_replace(sch, new, &q->qdisc);
return 0;
}