net: sched: add rcu annotations around qdisc->qdisc_sleeping

[platform/kernel/linux-starfive.git] / include / net / sch_generic.h

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index af4aa66..989eb97 100644 (file)
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -543,7 +543,7 @@ static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)
 
 static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)
 {
-       return qdisc->dev_queue->qdisc_sleeping;
+       return rcu_dereference_rtnl(qdisc->dev_queue->qdisc_sleeping);
 }
 
 static inline spinlock_t *qdisc_root_sleeping_lock(const struct Qdisc *qdisc)
@@ -752,7 +752,9 @@ static inline bool qdisc_tx_changing(const struct net_device *dev)
 
        for (i = 0; i < dev->num_tx_queues; i++) {
                struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
-               if (rcu_access_pointer(txq->qdisc) != txq->qdisc_sleeping)
+
+               if (rcu_access_pointer(txq->qdisc) !=
+                   rcu_access_pointer(txq->qdisc_sleeping))
                        return true;
        }
        return false;