diff options
author | Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2019-11-14 05:53:10 +1000 |
commit | 77e0723bd27f830d0903225372aa778fe2975648 (patch) | |
tree | 4c035783e014b3a0ac9174390f88dc75150533e4 /net/sched/sch_generic.c | |
parent | 3ca3a9eab7085b3c938b5d088c3020269cfecdc8 (diff) | |
parent | 31f4f5b495a62c9a8b15b1c3581acd5efeb9af8c (diff) | |
download | linux-77e0723bd27f830d0903225372aa778fe2975648.tar.bz2 |
Merge v5.4-rc7 into drm-next
We have the i915 security fixes to backmerge, but first
let's clear the decks for other drivers to avoid a bigger
mess.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r-- | net/sched/sch_generic.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 17bd8f539bc7..8769b4b8807d 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -799,9 +799,6 @@ struct Qdisc_ops pfifo_fast_ops __read_mostly = { }; EXPORT_SYMBOL(pfifo_fast_ops); -static struct lock_class_key qdisc_tx_busylock; -static struct lock_class_key qdisc_running_key; - struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, const struct Qdisc_ops *ops, struct netlink_ext_ack *extack) @@ -854,17 +851,9 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, } spin_lock_init(&sch->busylock); - lockdep_set_class(&sch->busylock, - dev->qdisc_tx_busylock ?: &qdisc_tx_busylock); - /* seqlock has the same scope of busylock, for NOLOCK qdisc */ spin_lock_init(&sch->seqlock); - lockdep_set_class(&sch->busylock, - dev->qdisc_tx_busylock ?: &qdisc_tx_busylock); - seqcount_init(&sch->running); - lockdep_set_class(&sch->running, - dev->qdisc_running_key ?: &qdisc_running_key); sch->ops = ops; sch->flags = ops->static_flags; @@ -875,6 +864,12 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue, dev_hold(dev); refcount_set(&sch->refcnt, 1); + if (sch != &noop_qdisc) { + lockdep_set_class(&sch->busylock, &dev->qdisc_tx_busylock_key); + lockdep_set_class(&sch->seqlock, &dev->qdisc_tx_busylock_key); + lockdep_set_class(&sch->running, &dev->qdisc_running_key); + } + return sch; errout1: kfree(p); @@ -1043,6 +1038,8 @@ static void attach_one_default_qdisc(struct net_device *dev, if (dev->priv_flags & IFF_NO_QUEUE) ops = &noqueue_qdisc_ops; + else if(dev->type == ARPHRD_CAN) + ops = &pfifo_fast_ops; qdisc = qdisc_create_dflt(dev_queue, ops, TC_H_ROOT, NULL); if (!qdisc) { |