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_fifo.c b/net/sched/sch_fifo.c
index 66effe2..e15a9eb 100644
--- a/net/sched/sch_fifo.c
+++ b/net/sched/sch_fifo.c
@@ -85,7 +85,8 @@
 {
 	struct tc_fifo_qopt opt = { .limit = sch->limit };
 
-	NLA_PUT(skb, TCA_OPTIONS, sizeof(opt), &opt);
+	if (nla_put(skb, TCA_OPTIONS, sizeof(opt), &opt))
+		goto nla_put_failure;
 	return skb->len;
 
 nla_put_failure: