diff options
Diffstat (limited to 'net/sched/sch_taprio.c')
| -rw-r--r-- | net/sched/sch_taprio.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c index 3c4c2c334878..5076da103f63 100644 --- a/net/sched/sch_taprio.c +++ b/net/sched/sch_taprio.c @@ -2426,7 +2426,7 @@ 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) @@ -2445,7 +2445,7 @@ 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; } @@ -2456,14 +2456,15 @@ static int taprio_dump_class_stats(struct Qdisc *sch, unsigned long cl, __acquires(d->lock) { struct netdev_queue *dev_queue = taprio_queue_get(sch, cl); - struct Qdisc *child = dev_queue->qdisc_sleeping; struct tc_taprio_qopt_offload offload = { .cmd = TAPRIO_CMD_TC_STATS, .tc_stats = { .tc = cl - 1, }, }; + struct Qdisc *child; + child = rtnl_dereference(dev_queue->qdisc_sleeping); if (gnet_stats_copy_basic(d, NULL, &child->bstats, true) < 0 || qdisc_qstats_copy(d, child) < 0) return -1; |