*
* static void __exit exit_my_ematch(void)
* {
- * return tcf_em_unregister(&my_ops);
+ * tcf_em_unregister(&my_ops);
* }
*
* module_init(init_my_ematch);
*
* Returns -ENOENT if no matching ematch was found.
*/
-int tcf_em_unregister(struct tcf_ematch_ops *ops)
+void tcf_em_unregister(struct tcf_ematch_ops *ops)
{
- int err = 0;
- struct tcf_ematch_ops *e;
-
write_lock(&ematch_mod_lock);
- list_for_each_entry(e, &ematch_ops, link) {
- if (e == ops) {
- list_del(&e->link);
- goto out;
- }
- }
-
- err = -ENOENT;
-out:
+ list_del(&ops->link);
write_unlock(&ematch_mod_lock);
- return err;
}
EXPORT_SYMBOL(tcf_em_unregister);
if (em->ops == NULL) {
err = -ENOENT;
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
__rtnl_unlock();
request_module("ematch-kind-%u", em_hdr->kind);
rtnl_lock();
if (em->ops) {
if (em->ops->destroy)
em->ops->destroy(tp, em);
- else if (!tcf_em_is_simple(em) && em->data)
+ else if (!tcf_em_is_simple(em))
kfree((void *) em->data);
module_put(em->ops->owner);
}
tree->hdr.nmatches = 0;
kfree(tree->matches);
+ tree->matches = NULL;
}
EXPORT_SYMBOL(tcf_em_tree_destroy);