mac80211: don't probe if we have probe response
[safe/jmp/linux-2.6] / net / sched / ematch.c
index d421ec7..aab5940 100644 (file)
@@ -71,7 +71,7 @@
  *
  *      static void __exit exit_my_ematch(void)
  *      {
- *             return tcf_em_unregister(&my_ops);
+ *             tcf_em_unregister(&my_ops);
  *      }
  *
  *      module_init(init_my_ematch);
@@ -154,23 +154,11 @@ EXPORT_SYMBOL(tcf_em_register);
  *
  * 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);
 
@@ -224,7 +212,7 @@ static int tcf_em_validate(struct tcf_proto *tp,
 
                if (em->ops == NULL) {
                        err = -ENOENT;
-#ifdef CONFIG_KMOD
+#ifdef CONFIG_MODULES
                        __rtnl_unlock();
                        request_module("ematch-kind-%u", em_hdr->kind);
                        rtnl_lock();
@@ -409,7 +397,7 @@ void tcf_em_tree_destroy(struct tcf_proto *tp, struct tcf_ematch_tree *tree)
                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);
                }
@@ -417,6 +405,7 @@ void tcf_em_tree_destroy(struct tcf_proto *tp, struct tcf_ematch_tree *tree)
 
        tree->hdr.nmatches = 0;
        kfree(tree->matches);
+       tree->matches = NULL;
 }
 EXPORT_SYMBOL(tcf_em_tree_destroy);