ipa_proto: start_listen: use correct ok/error pattern
The ok path only returned the port without an "ok".
Also path back the ListenSock.
Change-Id: I9b317c13089fae2406f401a1f420623de9a2dffa
diff --git a/src/ipa_proto.erl b/src/ipa_proto.erl
index fcd594b..c96d6bb 100644
--- a/src/ipa_proto.erl
+++ b/src/ipa_proto.erl
@@ -367,7 +367,7 @@
{ok, ListenSock} ->
start_servers(NumServers, ListenSock, self()),
{ok, Port} = inet:port(ListenSock),
- Port;
+ {ok, ListenSock, Port};
{error, Reason} ->
{error, Reason}
end.