--- a/net/dns.lua	Fri Dec 24 04:49:30 2010 +0000
+++ b/net/dns.lua	Fri Dec 24 04:51:34 2010 +0000
@@ -602,7 +602,11 @@
 	local sock = self.socket[servernum];
 	if sock then return sock; end
 
-	sock = socket.udp();
+	local err;
+	sock, err = socket.udp();
+	if not sock then
+		return nil, err;
+	end
 	if self.socket_wrapper then sock = self.socket_wrapper(sock, self); end
 	sock:settimeout(0);
 	-- todo: attempt to use a random port, fallback to 0