net.dns: Return new socket from servfail

diff --git a/net/dns.lua b/net/dns.lua
index dc2da1b608f3a29c33b1f22b0eeb175223bbd24e..55622fc81ccadf2f8c5f172d1ddaf86b1e93427c 100644 (file)
--- a/net/dns.lua
+++ b/net/dns.lua
@@ -787,7 +787,7 @@ function resolver:servfail(sock)
        local num = self.socketset[sock]
 
        -- Socket is dead now
-       self:voidsocket(sock);
+       sock = self:voidsocket(sock);
 
        -- Find all requests to the down server, and retry on the next server
        self.time = socket.gettime();
@@ -804,8 +804,8 @@ function resolver:servfail(sock)
                                        --print('timeout');
                                        queries[question] = nil;
                                else
-                                       local _a = self:getsocket(o.server);
-                                       if _a then _a:send(o.packet); end
+                                       sock = self:getsocket(o.server);
+                                       if sock then sock:send(o.packet); end
                                end
                        end
                end
@@ -821,6 +821,7 @@ function resolver:servfail(sock)
                        self.best_server = 1;
                end
        end
+       return sock;
 end
 
 function resolver:settimeout(seconds)