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net_sched: introduce qdisc_replace() helper
[firefly-linux-kernel-4.4.55.git]
/
net
/
sched
/
sch_qfq.c
diff --git
a/net/sched/sch_qfq.c
b/net/sched/sch_qfq.c
index 3dc3a6e560520a6f3b9b3bdf3bfa88277a08c266..b5c52caf2e735d1d3efb528f0a96efd4f6b04af8 100644
(file)
--- a/
net/sched/sch_qfq.c
+++ b/
net/sched/sch_qfq.c
@@
-617,11
+617,7
@@
static int qfq_graft_class(struct Qdisc *sch, unsigned long arg,
new = &noop_qdisc;
}
- sch_tree_lock(sch);
- qfq_purge_queue(cl);
- *old = cl->qdisc;
- cl->qdisc = new;
- sch_tree_unlock(sch);
+ *old = qdisc_replace(sch, new, &cl->qdisc);
return 0;
}