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_tbf.c b/net/sched/sch_tbf.c
index b8e1563..4b056c15 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -359,7 +359,8 @@
 		memset(&opt.peakrate, 0, sizeof(opt.peakrate));
 	opt.mtu = q->mtu;
 	opt.buffer = q->buffer;
-	NLA_PUT(skb, TCA_TBF_PARMS, sizeof(opt), &opt);
+	if (nla_put(skb, TCA_TBF_PARMS, sizeof(opt), &opt))
+		goto nla_put_failure;
 
 	nla_nest_end(skb, nest);
 	return skb->len;