unsigned int offset = offset_in_page(data);
unsigned int len = skb_headlen(skb);
- frags += (offset + len + PAGE_SIZE - 1) / PAGE_SIZE;
+ frags += DIV_ROUND_UP(offset + len, PAGE_SIZE);
if (unlikely(frags > MAX_SKB_FRAGS + 1)) {
printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n",
frags);
return 0;
}
-static struct xenbus_driver netfront = {
+static struct xenbus_driver netfront_driver = {
.name = "vif",
.owner = THIS_MODULE,
.ids = netfront_ids,
static int __init netif_init(void)
{
- if (!is_running_on_xen())
+ if (!xen_domain())
return -ENODEV;
- if (is_initial_xendomain())
+ if (xen_initial_domain())
return 0;
printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n");
- return xenbus_register_frontend(&netfront);
+ return xenbus_register_frontend(&netfront_driver);
}
module_init(netif_init);
static void __exit netif_exit(void)
{
- if (is_initial_xendomain())
+ if (xen_initial_domain())
return;
- xenbus_unregister_driver(&netfront);
+ xenbus_unregister_driver(&netfront_driver);
}
module_exit(netif_exit);