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Diffstat (limited to 'net/sched/sch_generic.c')
-rw-r--r--net/sched/sch_generic.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index c3ed4d44fc1..ec0a0839ce5 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -215,10 +215,9 @@ static void dev_watchdog(unsigned long arg)
time_after(jiffies, (dev->trans_start +
dev->watchdog_timeo))) {
char drivername[64];
- printk(KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
+ WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit timed out\n",
dev->name, netdev_drivername(dev, drivername, 64));
dev->tx_timeout(dev);
- WARN_ON_ONCE(1);
}
if (!mod_timer(&dev->watchdog_timer,
round_jiffies(jiffies +
@@ -526,10 +525,9 @@ void qdisc_destroy(struct Qdisc *qdisc)
!atomic_dec_and_test(&qdisc->refcnt))
return;
- if (qdisc->parent)
- list_del(&qdisc->list);
-
#ifdef CONFIG_NET_SCHED
+ qdisc_list_del(qdisc);
+
qdisc_put_stab(qdisc->stab);
#endif
gen_kill_estimator(&qdisc->bstats, &qdisc->rate_est);
@@ -635,7 +633,7 @@ static void dev_deactivate_queue(struct net_device *dev,
if (!(qdisc->flags & TCQ_F_BUILTIN))
set_bit(__QDISC_STATE_DEACTIVATED, &qdisc->state);
- dev_queue->qdisc = qdisc_default;
+ rcu_assign_pointer(dev_queue->qdisc, qdisc_default);
qdisc_reset(qdisc);
spin_unlock_bh(qdisc_lock(qdisc));
@@ -710,7 +708,7 @@ static void shutdown_scheduler_queue(struct net_device *dev,
struct Qdisc *qdisc_default = _qdisc_default;
if (qdisc) {
- dev_queue->qdisc = qdisc_default;
+ rcu_assign_pointer(dev_queue->qdisc, qdisc_default);
dev_queue->qdisc_sleeping = qdisc_default;
qdisc_destroy(qdisc);