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Diffstat (limited to 'net/sched/sch_red.c')
-rw-r--r--net/sched/sch_red.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 6a0371c22643..2bdf241f6315 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -202,7 +202,8 @@ static int red_change(struct Qdisc *sch, struct nlattr *opt)
q->limit = ctl->limit;
if (child) {
qdisc_tree_decrease_qlen(q->qdisc, q->qdisc->q.qlen);
- qdisc_destroy(xchg(&q->qdisc, child));
+ qdisc_destroy(q->qdisc);
+ q->qdisc = child;
}
red_set_parms(&q->parms, ctl->qth_min, ctl->qth_max, ctl->Wlog,
@@ -283,7 +284,8 @@ static int red_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
new = &noop_qdisc;
sch_tree_lock(sch);
- *old = xchg(&q->qdisc, new);
+ *old = q->qdisc;
+ q->qdisc = new;
qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
qdisc_reset(*old);
sch_tree_unlock(sch);