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-rw-r--r--net/sched/cls_fw.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index aa1e1f3bd20c..5908f56f76da 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -47,7 +47,10 @@ struct fw_filter {
#endif /* CONFIG_NET_CLS_IND */
struct tcf_exts exts;
struct tcf_proto *tp;
- struct rcu_head rcu;
+ union {
+ struct work_struct work;
+ struct rcu_head rcu;
+ };
};
static u32 fw_hash(u32 handle)
@@ -122,12 +125,22 @@ static int fw_init(struct tcf_proto *tp)
return 0;
}
-static void fw_delete_filter(struct rcu_head *head)
+static void fw_delete_filter_work(struct work_struct *work)
{
- struct fw_filter *f = container_of(head, struct fw_filter, rcu);
+ struct fw_filter *f = container_of(work, struct fw_filter, work);
+ rtnl_lock();
tcf_exts_destroy(&f->exts);
kfree(f);
+ rtnl_unlock();
+}
+
+static void fw_delete_filter(struct rcu_head *head)
+{
+ struct fw_filter *f = container_of(head, struct fw_filter, rcu);
+
+ INIT_WORK(&f->work, fw_delete_filter_work);
+ tcf_queue_work(&f->work);
}
static void fw_destroy(struct tcf_proto *tp)