diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c index d89ebafd2239..f177649a2419 100644 --- a/net/sched/cls_basic.c +++ b/net/sched/cls_basic.c @@ -34,7 +34,10 @@ 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, @@ -82,13 +85,24 @@ static int basic_init(struct tcf_proto *tp) return 0; } +static void basic_delete_filter_work(struct work_struct *work) +{ + 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); - tcf_exts_destroy(&f->exts); - tcf_em_tree_destroy(&f->ematches); - kfree(f); + INIT_WORK(&f->work, basic_delete_filter_work); + tcf_queue_work(&f->work); } static void basic_destroy(struct tcf_proto *tp)