ip: generate unique IP identificator if local fragmentation is allowed

[cascardo/linux.git] / drivers / net / xen-netback / xenbus.c

diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index 1fe48fe..a53782e 100644 (file)
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -42,7 +42,7 @@ static int netback_remove(struct xenbus_device *dev)
        if (be->vif) {
                kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
                xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status");
-               xenvif_disconnect(be->vif);
+               xenvif_free(be->vif);
                be->vif = NULL;
        }
        kfree(be);
@@ -213,9 +213,18 @@ static void disconnect_backend(struct xenbus_device *dev)
 {
        struct backend_info *be = dev_get_drvdata(&dev->dev);
 
+       if (be->vif)
+               xenvif_disconnect(be->vif);
+}
+
+static void destroy_backend(struct xenbus_device *dev)
+{
+       struct backend_info *be = dev_get_drvdata(&dev->dev);
+
        if (be->vif) {
+               kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
                xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status");
-               xenvif_disconnect(be->vif);
+               xenvif_free(be->vif);
                be->vif = NULL;
        }
 }
@@ -246,14 +255,11 @@ static void frontend_changed(struct xenbus_device *dev,
        case XenbusStateConnected:
                if (dev->state == XenbusStateConnected)
                        break;
-               backend_create_xenvif(be);
                if (be->vif)
                        connect(be);
                break;
 
        case XenbusStateClosing:
-               if (be->vif)
-                       kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
                disconnect_backend(dev);
                xenbus_switch_state(dev, XenbusStateClosing);
                break;
@@ -262,6 +268,7 @@ static void frontend_changed(struct xenbus_device *dev,
                xenbus_switch_state(dev, XenbusStateClosed);
                if (xenbus_dev_is_online(dev))
                        break;
+               destroy_backend(dev);
                /* fall through if not online */
        case XenbusStateUnknown:
                device_unregister(&dev->dev);