1 files changed, 5 insertions, 1 deletions

diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 6f7ed8f8e6ee..243c9f225a73 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -137,11 +137,14 @@ static int cls_bpf_delete(struct tcf_proto *tp, unsigned long arg)
         return 0;
 }
 
-static void cls_bpf_destroy(struct tcf_proto *tp)
+static bool cls_bpf_destroy(struct tcf_proto *tp, bool force)
 {
         struct cls_bpf_head *head = rtnl_dereference(tp->root);
         struct cls_bpf_prog *prog, *tmp;
 
+        if (!force && !list_empty(&head->plist))
+                return false;
+
         list_for_each_entry_safe(prog, tmp, &head->plist, link) {
                 list_del_rcu(&prog->link);
                 tcf_unbind_filter(tp, &prog->res);
@@ -150,6 +153,7 @@ static void cls_bpf_destroy(struct tcf_proto *tp)
 
         RCU_INIT_POINTER(tp->root, NULL);
         kfree_rcu(head, rcu);
+        return true;
 }
 
 static unsigned long cls_bpf_get(struct tcf_proto *tp, u32 handle)