diff options
Diffstat (limited to 'net/sched/cls_basic.c')
| -rw-r--r-- | net/sched/cls_basic.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index 700b345b07f9..871351358c10 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -35,7 +35,10 @@ struct basic_filter { struct tcf_result res; struct tcf_proto *tp; struct list_head link; - struct rcu_head rcu; + union { + struct work_struct work; + struct rcu_head rcu; + }; }; static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp, @@ -84,15 +87,26 @@ static int basic_init(struct tcf_proto *tp) return 0; } -static void basic_delete_filter(struct rcu_head *head) +static void basic_delete_filter_work(struct work_struct *work) { - struct basic_filter *f = container_of(head, struct basic_filter, rcu); + struct basic_filter *f = container_of(work, struct basic_filter, work); + rtnl_lock(); tcf_exts_destroy(&f->exts); tcf_em_tree_destroy(&f->ematches); + rtnl_unlock(); + kfree(f); } +static void basic_delete_filter(struct rcu_head *head) +{ + struct basic_filter *f = container_of(head, struct basic_filter, rcu); + + INIT_WORK(&f->work, basic_delete_filter_work); + tcf_queue_work(&f->work); +} + static void basic_destroy(struct tcf_proto *tp) { struct basic_head *head = rtnl_dereference(tp->root); |