goto error_xenbus;
}
priv->tag = xenbus_read(xbt, dev->nodename, "tag", NULL);
- if (!priv->tag) {
- ret = -EINVAL;
+ if (IS_ERR(priv->tag)) {
+ ret = PTR_ERR(priv->tag);
goto error_xenbus;
}
ret = xenbus_transaction_end(xbt, 0);
.otherend_changed = xen_9pfs_front_changed,
};
-int p9_trans_xen_init(void)
+static int p9_trans_xen_init(void)
{
if (!xen_domain())
return -ENODEV;
}
module_init(p9_trans_xen_init);
-void p9_trans_xen_exit(void)
+static void p9_trans_xen_exit(void)
{
v9fs_unregister_trans(&p9_xen_trans);
return xenbus_unregister_driver(&xen_9pfs_front_driver);