net_sched: fix a refcount_t issue with noop_qdisc

[mirror_ubuntu-bionic-kernel.git] / net / sched / sch_api.c

diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index a3fa144b864871088209386fd573bded1886432f..4fb5a3222d0d324167f079f755be14eb028b4a50 100644 (file)
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -836,7 +836,7 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent,
 
                        old = dev_graft_qdisc(dev_queue, new);
                        if (new && i > 0)
-                               refcount_inc(&new->refcnt);
+                               qdisc_refcount_inc(new);
 
                        if (!ingress)
                                qdisc_destroy(old);
@@ -847,7 +847,7 @@ skip:
                        notify_and_destroy(net, skb, n, classid,
                                           dev->qdisc, new);
                        if (new && !new->ops->attach)
-                               refcount_inc(&new->refcnt);
+                               qdisc_refcount_inc(new);
                        dev->qdisc = new ? : &noop_qdisc;
 
                        if (new && new->ops->attach)
@@ -1256,7 +1256,7 @@ replay:
                                if (q == p ||
                                    (p && check_loop(q, p, 0)))
                                        return -ELOOP;
-                               refcount_inc(&q->refcnt);
+                               qdisc_refcount_inc(q);
                                goto graft;
                        } else {
                                if (!q)