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_atm.c b/net/sched/sch_atm.c
index e25e490..a77a4fb 100644
--- a/net/sched/sch_atm.c
+++ b/net/sched/sch_atm.c
@@ -601,7 +601,8 @@
 	if (nest == NULL)
 		goto nla_put_failure;
 
-	NLA_PUT(skb, TCA_ATM_HDR, flow->hdr_len, flow->hdr);
+	if (nla_put(skb, TCA_ATM_HDR, flow->hdr_len, flow->hdr))
+		goto nla_put_failure;
 	if (flow->vcc) {
 		struct sockaddr_atmpvc pvc;
 		int state;
@@ -610,15 +611,19 @@
 		pvc.sap_addr.itf = flow->vcc->dev ? flow->vcc->dev->number : -1;
 		pvc.sap_addr.vpi = flow->vcc->vpi;
 		pvc.sap_addr.vci = flow->vcc->vci;
-		NLA_PUT(skb, TCA_ATM_ADDR, sizeof(pvc), &pvc);
+		if (nla_put(skb, TCA_ATM_ADDR, sizeof(pvc), &pvc))
+			goto nla_put_failure;
 		state = ATM_VF2VS(flow->vcc->flags);
-		NLA_PUT_U32(skb, TCA_ATM_STATE, state);
+		if (nla_put_u32(skb, TCA_ATM_STATE, state))
+			goto nla_put_failure;
 	}
-	if (flow->excess)
-		NLA_PUT_U32(skb, TCA_ATM_EXCESS, flow->classid);
-	else
-		NLA_PUT_U32(skb, TCA_ATM_EXCESS, 0);
-
+	if (flow->excess) {
+		if (nla_put_u32(skb, TCA_ATM_EXCESS, flow->classid))
+			goto nla_put_failure;
+	} else {
+		if (nla_put_u32(skb, TCA_ATM_EXCESS, 0))
+			goto nla_put_failure;
+	}
 	nla_nest_end(skb, nest);
 	return skb->len;