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ematch: simpler tcf_em_unregister()

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Simply delete ops from list and let list debugging do the job.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexey Dobriyan 2008-11-16 23:01:49 -08:00 committed by David S. Miller
parent 6eba6a372b
commit 4d24b52ac5
2 changed files with 4 additions and 16 deletions
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2
include/net/pkt_cls.h
View file

@ -246,7 +246,7 @@ struct tcf_ematch_ops
};
extern int tcf_em_register(struct tcf_ematch_ops *);
extern int tcf_em_unregister(struct tcf_ematch_ops *);
extern void tcf_em_unregister(struct tcf_ematch_ops *);
extern int tcf_em_tree_validate(struct tcf_proto *, struct nlattr *,
struct tcf_ematch_tree *);
extern void tcf_em_tree_destroy(struct tcf_proto *, struct tcf_ematch_tree *);

18
net/sched/ematch.c
View 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);