diff --git a/net/decnet/dn_rules.c b/net/decnet/dn_rules.c
index f65c9dd..7399e3d 100644
--- a/net/decnet/dn_rules.c
+++ b/net/decnet/dn_rules.c
@@ -204,11 +204,11 @@
 	frh->src_len = r->src_len;
 	frh->tos = 0;
 
-	if (r->dst_len)
-		NLA_PUT_LE16(skb, FRA_DST, r->dst);
-	if (r->src_len)
-		NLA_PUT_LE16(skb, FRA_SRC, r->src);
-
+	if ((r->dst_len &&
+	     nla_put_le16(skb, FRA_DST, r->dst)) ||
+	    (r->src_len &&
+	     nla_put_le16(skb, FRA_SRC, r->src)))
+		goto nla_put_failure;
 	return 0;
 
 nla_put_failure: