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

[platform/kernel/linux-starfive.git] / net / sched / sch_taprio.c

diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index c322a61..a274a93 100644 (file)
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -2050,7 +2050,7 @@ static struct Qdisc *taprio_leaf(struct Qdisc *sch, unsigned long cl)
        if (!dev_queue)
                return NULL;
 
-       return dev_queue->qdisc_sleeping;
+       return rtnl_dereference(dev_queue->qdisc_sleeping);
 }
 
 static unsigned long taprio_find(struct Qdisc *sch, u32 classid)
@@ -2069,7 +2069,7 @@ static int taprio_dump_class(struct Qdisc *sch, unsigned long cl,
 
        tcm->tcm_parent = TC_H_ROOT;
        tcm->tcm_handle |= TC_H_MIN(cl);
-       tcm->tcm_info = dev_queue->qdisc_sleeping->handle;
+       tcm->tcm_info = rtnl_dereference(dev_queue->qdisc_sleeping)->handle;
 
        return 0;
 }
@@ -2081,7 +2081,7 @@ static int taprio_dump_class_stats(struct Qdisc *sch, unsigned long cl,
 {
        struct netdev_queue *dev_queue = taprio_queue_get(sch, cl);
 
-       sch = dev_queue->qdisc_sleeping;
+       sch = rtnl_dereference(dev_queue->qdisc_sleeping);
        if (gnet_stats_copy_basic(d, NULL, &sch->bstats, true) < 0 ||
            qdisc_qstats_copy(d, sch) < 0)
                return -1;