[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 <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index f6decbb..3f72d52 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -183,16 +183,16 @@
static int ingress_dump(struct Qdisc *sch, struct sk_buff *skb)
{
- unsigned char *b = skb_tail_pointer(skb);
- struct nlattr *nla;
+ struct nlattr *nest;
- nla = (struct nlattr *)b;
- NLA_PUT(skb, TCA_OPTIONS, 0, NULL);
- nla->nla_len = skb_tail_pointer(skb) - b;
+ nest = nla_nest_start(skb, TCA_OPTIONS);
+ if (nest == NULL)
+ goto nla_put_failure;
+ nla_nest_end(skb, nest);
return skb->len;
nla_put_failure:
- nlmsg_trim(skb, b);
+ nla_nest_cancel(skb, nest);
return -1;
}