Merge branch 'timers/urgent' into timers/core

Reason: Get upstream fixes and kfree_rcu which is necessary for a
follow up patch.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 15 insertions, 3 deletions

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 069c1cf0fdf7..9ab439d144ed 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -645,6 +645,7 @@ int usbnet_stop (struct net_device *net)
 	struct driver_info	*info = dev->driver_info;
 	int			retval;
 
+	clear_bit(EVENT_DEV_OPEN, &dev->flags);
 	netif_stop_queue (net);
 
 	netif_info(dev, ifdown, dev->net,
@@ -736,6 +737,7 @@ int usbnet_open (struct net_device *net)
 		}
 	}
 
+	set_bit(EVENT_DEV_OPEN, &dev->flags);
 	netif_start_queue (net);
 	netif_info(dev, ifup, dev->net,
 		   "open: enable queueing (rx %d, tx %d) mtu %d %s framing\n",
@@ -1259,6 +1261,9 @@ void usbnet_disconnect (struct usb_interface *intf)
 	if (dev->driver_info->unbind)
 		dev->driver_info->unbind (dev, intf);
 
+	usb_kill_urb(dev->interrupt);
+	usb_free_urb(dev->interrupt);
+
 	free_netdev(net);
 	usb_put_dev (xdev);
 }
@@ -1498,6 +1503,10 @@ int usbnet_resume (struct usb_interface *intf)
 	int                     retval;
 
 	if (!--dev->suspend_count) {
+		/* resume interrupt URBs */
+		if (dev->interrupt && test_bit(EVENT_DEV_OPEN, &dev->flags))
+			usb_submit_urb(dev->interrupt, GFP_NOIO);
+
 		spin_lock_irq(&dev->txq.lock);
 		while ((res = usb_get_from_anchor(&dev->deferred))) {
 
@@ -1516,9 +1525,12 @@ int usbnet_resume (struct usb_interface *intf)
 		smp_mb();
 		clear_bit(EVENT_DEV_ASLEEP, &dev->flags);
 		spin_unlock_irq(&dev->txq.lock);
-		if (!(dev->txq.qlen >= TX_QLEN(dev)))
-			netif_start_queue(dev->net);
-		tasklet_schedule (&dev->bh);
+
+		if (test_bit(EVENT_DEV_OPEN, &dev->flags)) {
+			if (!(dev->txq.qlen >= TX_QLEN(dev)))
+				netif_start_queue(dev->net);
+			tasklet_schedule (&dev->bh);
+		}
 	}
 	return 0;
 }