usbnet: Resubmit interrupt URB if device is open

Resubmit interrupt URB if device is open.  Use a flag set in
usbnet_open() to determine this state.  Also kill and free
interrupt URB in usbnet_disconnect().

[Rebased off git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git]

Signed-off-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 0e1855079fbb..605b0aa8d852 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -68,6 +68,7 @@ struct usbnet {
 #               define EVENT_RX_PAUSED  5
 #               define EVENT_DEV_WAKING 6
 #               define EVENT_DEV_ASLEEP 7
+#               define EVENT_DEV_OPEN   8
 };
 
 static inline struct usb_driver *driver_of(struct usb_interface *intf)