---

yaml
---
r: 839
b: refs/heads/master
c: cacaddf
h: refs/heads/master
i:
  837: b6519d6
  835: 12682c4
  831: bdff3b8
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0f4821e7b93fe72e89b8ff393bd8e705bd178aa5
+refs/heads/master: cacaddf57ed4d5ca994e9a7e2bd5558061f5d89d

trunk/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);
 		}
 

trunk/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) {