From e43e6fc278810ee0001761a47539e74056533051 Mon Sep 17 00:00:00 2001
From: dmiller <dmiller@e0a8ed71-7df4-0310-8962-fdc924857419>
Date: Thu, 7 Jan 2016 05:45:48 +0000
Subject: [PATCH] Fix a crash on dns.query failure in dns-client-subnet-scan.
 Fixes #93

---
 scripts/dns-client-subnet-scan.nse | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/dns-client-subnet-scan.nse b/scripts/dns-client-subnet-scan.nse
index 312f48652..71b230592 100644
--- a/scripts/dns-client-subnet-scan.nse
+++ b/scripts/dns-client-subnet-scan.nse
@@ -324,7 +324,7 @@ local get_addresses = function(address, mask, domain, nameserver, port)
   local subnet = { family = nmap.address_family(), address = address, mask = mask }
   local status, resp = dns.query(domain, {host = nameserver, port=port.number, protocol=port.protocol, retAll=true, subnet=subnet})
   if ( not(status) ) then
-    return
+    return {}
   end
   if ( "table" ~= type(resp) ) then resp = { resp } end
   return resp