[NET]: Transform skb_queue_len() binary tests into skb_queue_empty()

[safe/jmp/linux-2.6] / drivers / usb / core / usb.c

diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 6667876..a3c4220 100644 (file)
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -322,9 +322,15 @@ void usb_driver_release_interface(struct usb_driver *driver,
        if (!dev->driver || dev->driver != &driver->driver)
                return;
 
-       /* don't disconnect from disconnect(), or before dev_add() */
-       if (!klist_node_attached(&dev->knode_driver) && !klist_node_attached(&dev->knode_bus))
+       /* don't release from within disconnect() */
+       if (iface->condition != USB_INTERFACE_BOUND)
+               return;
+
+       /* release only after device_add() */
+       if (klist_node_attached(&dev->knode_bus)) {
+               iface->condition = USB_INTERFACE_UNBINDING;
                device_release_driver(dev);
+       }
 
        dev->driver = NULL;
        usb_set_intfdata(iface, NULL);