static void __exit wusbcore_exit(void)
{
clear_bit(0, wusb_cluster_id_table);
if (!bitmap_empty(wusb_cluster_id_table, CLUSTER_IDS)) {
printk(KERN_ERR "BUG: WUSB Cluster IDs not released on exit: %*pb\n",
CLUSTER_IDS, wusb_cluster_id_table);
WARN_ON(1);
}
usb_unregister_notify(&wusb_usb_notifier);
destroy_workqueue(wusbd);
wusb_crypto_exit();
}
static void __exit wusbcore_exit(void)
{
clear_bit(0, wusb_cluster_id_table);
if (!bitmap_empty(wusb_cluster_id_table, CLUSTER_IDS)) {
char buf[256];
bitmap_scnprintf(buf, sizeof(buf), wusb_cluster_id_table,
CLUSTER_IDS);
printk(KERN_ERR "BUG: WUSB Cluster IDs not released "
"on exit: %s\n", buf);
WARN_ON(1);
}
usb_unregister_notify(&wusb_usb_notifier);
destroy_workqueue(wusbd);
wusb_crypto_exit();
}
static int __init wusbcore_init(void)
{
int result;
result = wusb_crypto_init();
if (result < 0)
goto error_crypto_init;
/* WQ is singlethread because we need to serialize notifications */
wusbd = create_singlethread_workqueue("wusbd");
if (wusbd == NULL) {
result = -ENOMEM;
printk(KERN_ERR "WUSB-core: Cannot create wusbd workqueue\n");
goto error_wusbd_create;
}
usb_register_notify(&wusb_usb_notifier);
bitmap_zero(wusb_cluster_id_table, CLUSTER_IDS);
set_bit(0, wusb_cluster_id_table); /* reserve Cluster ID 0xff */
return 0;
error_wusbd_create:
wusb_crypto_exit();
error_crypto_init:
return result;
}
