pkt_sched: Stop using NLA_PUT*().

These macros contain a hidden goto, and are thus extremely error
prone and make code hard to audit.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index b5d56a2..79359b6 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -247,7 +247,8 @@
 	opt.bands = q->bands;
 	memcpy(&opt.priomap, q->prio2band, TC_PRIO_MAX + 1);
 
-	NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
+	if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
+		goto nla_put_failure;
 
 	return skb->len;