diff options
| -rw-r--r-- | net/core/link_watch.c | 7 | ||||
| -rw-r--r-- | net/sched/sch_generic.c | 4 |
2 files changed, 11 insertions, 0 deletions
diff --git a/net/core/link_watch.c b/net/core/link_watch.c index 4859b7446c6..d43d1201275 100644 --- a/net/core/link_watch.c +++ b/net/core/link_watch.c @@ -16,6 +16,7 @@ #include <linux/netdevice.h> #include <linux/if.h> #include <net/sock.h> +#include <net/pkt_sched.h> #include <linux/rtnetlink.h> #include <linux/jiffies.h> #include <linux/spinlock.h> @@ -74,6 +75,12 @@ void linkwatch_run_queue(void) clear_bit(__LINK_STATE_LINKWATCH_PENDING, &dev->state); if (dev->flags & IFF_UP) { + if (netif_carrier_ok(dev)) { + WARN_ON(dev->qdisc_sleeping == &noop_qdisc); + dev_activate(dev); + } else + dev_deactivate(dev); + netdev_state_change(dev); } diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 8c01e023f02..9a2f8e41a26 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -539,6 +539,10 @@ void dev_activate(struct net_device *dev) write_unlock_bh(&qdisc_tree_lock); } + if (!netif_carrier_ok(dev)) + /* Delay activation until next carrier-on event */ + return; + spin_lock_bh(&dev->queue_lock); rcu_assign_pointer(dev->qdisc, dev->qdisc_sleeping); if (dev->qdisc != &noqueue_qdisc) { |