sched: move tcf_proto_destroy and tcf_destroy_chain helpers into cls_api
Creation is done in this file, move destruction to be at the same place.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 90536eb..4efa4df 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -127,6 +127,27 @@
return first;
}
+static bool tcf_proto_destroy(struct tcf_proto *tp, bool force)
+{
+ if (tp->ops->destroy(tp, force)) {
+ module_put(tp->ops->owner);
+ kfree_rcu(tp, rcu);
+ return true;
+ }
+ return false;
+}
+
+void tcf_destroy_chain(struct tcf_proto __rcu **fl)
+{
+ struct tcf_proto *tp;
+
+ while ((tp = rtnl_dereference(*fl)) != NULL) {
+ RCU_INIT_POINTER(*fl, tp->next);
+ tcf_proto_destroy(tp, true);
+ }
+}
+EXPORT_SYMBOL(tcf_destroy_chain);
+
/* Add/change/delete/get a filter node */
static int tc_ctl_tfilter(struct sk_buff *skb, struct nlmsghdr *n)