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path: root/drivers/net/usb/usbnet.c
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Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7bc9852bd57c..e6dd24466965 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;
}