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-rw-r--r--net/sched/sch_hfsc.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index b7ebe2c87586..089f3b667d36 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1215,11 +1215,7 @@ hfsc_graft_class(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
new = &noop_qdisc;
}
- sch_tree_lock(sch);
- hfsc_purge_queue(sch, cl);
- *old = cl->qdisc;
- cl->qdisc = new;
- sch_tree_unlock(sch);
+ *old = qdisc_replace(sch, new, &cl->qdisc);
return 0;
}