From 16bda13d90c8d5da243e2cfa1677e62ecce26860 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Mon, 6 Feb 2012 15:14:37 -0500 Subject: net: Make qdisc_skb_cb upper size bound explicit. Just like skb->cb[], so that qdisc_skb_cb can be encapsulated inside of other data structures. This is intended to be used by IPoIB so that it can remember addressing information stored at hard_header_ops->create() time that it can fetch when the packet gets to the transmit routine. Signed-off-by: David S. Miller --- net/sched/sch_sfq.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net/sched/sch_sfq.c') diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c index 67494aef9acf3..60d47180f0432 100644 --- a/net/sched/sch_sfq.c +++ b/net/sched/sch_sfq.c @@ -166,9 +166,8 @@ struct sfq_skb_cb { static inline struct sfq_skb_cb *sfq_skb_cb(const struct sk_buff *skb) { - BUILD_BUG_ON(sizeof(skb->cb) < - sizeof(struct qdisc_skb_cb) + sizeof(struct sfq_skb_cb)); - return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; + qdisc_cb_private_validate(skb, sizeof(struct sfq_skb_cb)); + return (struct sfq_skb_cb *)qdisc_skb_cb(skb)->data; } static unsigned int sfq_hash(const struct sfq_sched_data *q, -- cgit 1.2.3-korg