net: Make qdisc_skb_cb upper size bound explicit.

[karo-tx-linux.git] / net / sched / sch_sfb.c

diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 96e42cae4c7a4580e753c41b9c4f1e5c29cabbcd..d7eea99333e96a33a953106a3a0f2fdb32a12385 100644 (file)
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -94,8 +94,7 @@ struct sfb_skb_cb {
 
 static inline struct sfb_skb_cb *sfb_skb_cb(const struct sk_buff *skb)
 {
-       BUILD_BUG_ON(sizeof(skb->cb) <
-               sizeof(struct qdisc_skb_cb) + sizeof(struct sfb_skb_cb));
+       qdisc_cb_private_validate(skb, sizeof(struct sfb_skb_cb));
        return (struct sfb_skb_cb *)qdisc_skb_cb(skb)->data;
 }