struct net_device *slave = qdisc_dev(q);
struct netdev_queue *slave_txq = netdev_get_tx_queue(slave, 0);
- if (slave_txq->qdisc_sleeping != q)
+ if (rcu_access_pointer(slave_txq->qdisc_sleeping) != q)
continue;
if (netif_xmit_stopped(netdev_get_tx_queue(slave, subq)) ||
!netif_running(slave)) {