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-rw-r--r--net/sched/cls_route.c19
1 files changed, 16 insertions, 3 deletions
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(struct rcu_head *head)
+static void route4_delete_filter_work(struct work_struct *work)
{
- struct route4_filter *f = container_of(head, struct route4_filter, rcu);
+ 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);
+
+ INIT_WORK(&f->work, route4_delete_filter_work);
+ tcf_queue_work(&f->work);
}
static void route4_destroy(struct tcf_proto *tp)