diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c index 9ddde65915d2..4b14ccd8b8f2 100644 --- a/net/sched/cls_route.c +++ b/net/sched/cls_route.c @@ -57,7 +57,10 @@ struct route4_filter { u32 handle; struct route4_bucket *bkt; struct tcf_proto *tp; - struct rcu_head rcu; + union { + struct work_struct work; + struct rcu_head rcu; + }; }; #define ROUTE4_FAILURE ((struct route4_filter *)(-1L)) @@ -254,12 +257,22 @@ static int route4_init(struct tcf_proto *tp) return 0; } +static void route4_delete_filter_work(struct work_struct *work) +{ + struct route4_filter *f = container_of(work, struct route4_filter, work); + + rtnl_lock(); + tcf_exts_destroy(&f->exts); + kfree(f); + rtnl_unlock(); +} + static void route4_delete_filter(struct rcu_head *head) { struct route4_filter *f = container_of(head, struct route4_filter, rcu); - tcf_exts_destroy(&f->exts); - kfree(f); + INIT_WORK(&f->work, route4_delete_filter_work); + tcf_queue_work(&f->work); } static void route4_destroy(struct tcf_proto *tp)