From 4b3550ef530cfc153fa91f0b37cbda448bad11c6 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Wed, 23 Jan 2008 20:34:11 -0800 Subject: [NET_SCHED]: Use nla_nest_start/nla_nest_end Use nla_nest_start/nla_nest_end for dumping nested attributes. Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- net/sched/sch_cbq.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'net/sched/sch_cbq.c') diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c index 585f8a6ec7ec..da0f6c0152de 100644 --- a/net/sched/sch_cbq.c +++ b/net/sched/sch_cbq.c @@ -1565,18 +1565,18 @@ static int cbq_dump_attr(struct sk_buff *skb, struct cbq_class *cl) static int cbq_dump(struct Qdisc *sch, struct sk_buff *skb) { struct cbq_sched_data *q = qdisc_priv(sch); - unsigned char *b = skb_tail_pointer(skb); - struct nlattr *nla; + struct nlattr *nest; - nla = (struct nlattr*)b; - NLA_PUT(skb, TCA_OPTIONS, 0, NULL); + nest = nla_nest_start(skb, TCA_OPTIONS); + if (nest == NULL) + goto nla_put_failure; if (cbq_dump_attr(skb, &q->link) < 0) goto nla_put_failure; - nla->nla_len = skb_tail_pointer(skb) - b; + nla_nest_end(skb, nest); return skb->len; nla_put_failure: - nlmsg_trim(skb, b); + nla_nest_cancel(skb, nest); return -1; } @@ -1594,8 +1594,7 @@ cbq_dump_class(struct Qdisc *sch, unsigned long arg, struct sk_buff *skb, struct tcmsg *tcm) { struct cbq_class *cl = (struct cbq_class*)arg; - unsigned char *b = skb_tail_pointer(skb); - struct nlattr *nla; + struct nlattr *nest; if (cl->tparent) tcm->tcm_parent = cl->tparent->classid; @@ -1604,15 +1603,16 @@ cbq_dump_class(struct Qdisc *sch, unsigned long arg, tcm->tcm_handle = cl->classid; tcm->tcm_info = cl->q->handle; - nla = (struct nlattr*)b; - NLA_PUT(skb, TCA_OPTIONS, 0, NULL); + nest = nla_nest_start(skb, TCA_OPTIONS); + if (nest == NULL) + goto nla_put_failure; if (cbq_dump_attr(skb, cl) < 0) goto nla_put_failure; - nla->nla_len = skb_tail_pointer(skb) - b; + nla_nest_end(skb, nest); return skb->len; nla_put_failure: - nlmsg_trim(skb, b); + nla_nest_cancel(skb, nest); return -1; } -- cgit v1.2.3