diff options
Diffstat (limited to 'net/sched/sch_api.c')
| -rw-r--r-- | net/sched/sch_api.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c index 243b7d169d61..73a123daa2cc 100644 --- a/net/sched/sch_api.c +++ b/net/sched/sch_api.c @@ -815,10 +815,8 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, if (dev->flags & IFF_UP) dev_deactivate(dev); - if (new && new->ops->attach) { - new->ops->attach(new); - num_q = 0; - } + if (new && new->ops->attach) + goto skip; for (i = 0; i < num_q; i++) { struct netdev_queue *dev_queue = dev_ingress_queue(dev); @@ -834,12 +832,16 @@ static int qdisc_graft(struct net_device *dev, struct Qdisc *parent, qdisc_destroy(old); } +skip: if (!ingress) { notify_and_destroy(net, skb, n, classid, dev->qdisc, new); if (new && !new->ops->attach) atomic_inc(&new->refcnt); dev->qdisc = new ? : &noop_qdisc; + + if (new && new->ops->attach) + new->ops->attach(new); } else { notify_and_destroy(net, skb, n, classid, old, new); } @@ -1858,11 +1860,15 @@ reclassify: } EXPORT_SYMBOL(tc_classify); -void tcf_destroy(struct tcf_proto *tp) +bool tcf_destroy(struct tcf_proto *tp, bool force) { - tp->ops->destroy(tp); - module_put(tp->ops->owner); - kfree_rcu(tp, rcu); + if (tp->ops->destroy(tp, force)) { + module_put(tp->ops->owner); + kfree_rcu(tp, rcu); + return true; + } + + return false; } void tcf_destroy_chain(struct tcf_proto __rcu **fl) @@ -1871,7 +1877,7 @@ void tcf_destroy_chain(struct tcf_proto __rcu **fl) while ((tp = rtnl_dereference(*fl)) != NULL) { RCU_INIT_POINTER(*fl, tp->next); - tcf_destroy(tp); + tcf_destroy(tp, true); } } EXPORT_SYMBOL(tcf_destroy_chain); @@ -1879,13 +1885,10 @@ EXPORT_SYMBOL(tcf_destroy_chain); #ifdef CONFIG_PROC_FS static int psched_show(struct seq_file *seq, void *v) { - struct timespec ts; - - hrtimer_get_res(CLOCK_MONOTONIC, &ts); seq_printf(seq, "%08x %08x %08x %08x\n", (u32)NSEC_PER_USEC, (u32)PSCHED_TICKS2NS(1), 1000000, - (u32)NSEC_PER_SEC/(u32)ktime_to_ns(timespec_to_ktime(ts))); + (u32)NSEC_PER_SEC / hrtimer_resolution); return 0; } |