[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/cls_api.c b/net/sched/cls_api.c
index 92fa155..5584e7c 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -544,18 +544,22 @@
* to work with both old and new modes of entering
* tc data even if iproute2 was newer - jhs
*/
- struct nlattr *p_rta = (struct nlattr *)skb_tail_pointer(skb);
+ struct nlattr *nest;
if (exts->action->type != TCA_OLD_COMPAT) {
- NLA_PUT(skb, map->action, 0, NULL);
+ nest = nla_nest_start(skb, map->action);
+ if (nest == NULL)
+ goto nla_put_failure;
if (tcf_action_dump(skb, exts->action, 0, 0) < 0)
goto nla_put_failure;
- p_rta->nla_len = skb_tail_pointer(skb) - (u8 *)p_rta;
+ nla_nest_end(skb, nest);
} else if (map->police) {
- NLA_PUT(skb, map->police, 0, NULL);
+ nest = nla_nest_start(skb, map->police);
+ if (nest == NULL)
+ goto nla_put_failure;
if (tcf_action_dump_old(skb, exts->action, 0, 0) < 0)
goto nla_put_failure;
- p_rta->nla_len = skb_tail_pointer(skb) - (u8 *)p_rta;
+ nla_nest_end(skb, nest);
}
}
#endif