diff options
Diffstat (limited to 'net/sched/cls_basic.c')
| -rw-r--r-- | net/sched/cls_basic.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index cd61280941e5..0b8c3ace671f 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -65,17 +65,16 @@ static unsigned long basic_get(struct tcf_proto *tp, u32 handle) if (head == NULL) return 0UL; - list_for_each_entry(f, &head->flist, link) - if (f->handle == handle) + list_for_each_entry(f, &head->flist, link) { + if (f->handle == handle) { l = (unsigned long) f; + break; + } + } return l; } -static void basic_put(struct tcf_proto *tp, unsigned long f) -{ -} - static int basic_init(struct tcf_proto *tp) { struct basic_head *head; @@ -97,11 +96,14 @@ static void basic_delete_filter(struct rcu_head *head) kfree(f); } -static void basic_destroy(struct tcf_proto *tp) +static bool basic_destroy(struct tcf_proto *tp, bool force) { struct basic_head *head = rtnl_dereference(tp->root); struct basic_filter *f, *n; + if (!force && !list_empty(&head->flist)) + return false; + list_for_each_entry_safe(f, n, &head->flist, link) { list_del_rcu(&f->link); tcf_unbind_filter(tp, &f->res); @@ -109,22 +111,17 @@ static void basic_destroy(struct tcf_proto *tp) } RCU_INIT_POINTER(tp->root, NULL); kfree_rcu(head, rcu); + return true; } static int basic_delete(struct tcf_proto *tp, unsigned long arg) { - struct basic_head *head = rtnl_dereference(tp->root); - struct basic_filter *t, *f = (struct basic_filter *) arg; - - list_for_each_entry(t, &head->flist, link) - if (t == f) { - list_del_rcu(&t->link); - tcf_unbind_filter(tp, &t->res); - call_rcu(&t->rcu, basic_delete_filter); - return 0; - } + struct basic_filter *f = (struct basic_filter *) arg; - return -ENOENT; + list_del_rcu(&f->link); + tcf_unbind_filter(tp, &f->res); + call_rcu(&f->rcu, basic_delete_filter); + return 0; } static const struct nla_policy basic_policy[TCA_BASIC_MAX + 1] = { @@ -188,10 +185,9 @@ static int basic_change(struct net *net, struct sk_buff *in_skb, return -EINVAL; } - err = -ENOBUFS; fnew = kzalloc(sizeof(*fnew), GFP_KERNEL); - if (fnew == NULL) - goto errout; + if (!fnew) + return -ENOBUFS; tcf_exts_init(&fnew->exts, TCA_BASIC_ACT, TCA_BASIC_POLICE); err = -EINVAL; @@ -293,7 +289,6 @@ static struct tcf_proto_ops cls_basic_ops __read_mostly = { .init = basic_init, .destroy = basic_destroy, .get = basic_get, - .put = basic_put, .change = basic_change, .delete = basic_delete, .walk = basic_walk, |