From b197aa1988037a2839c4dcf752a343d9cfae7987 Mon Sep 17 00:00:00 2001
From: Julius Bünger <buenger@mytum.de>
Date: Fri, 13 Jul 2018 01:14:43 +0200
Subject: rps service: check return value when opening cadet port

---
 src/rps/gnunet-service-rps.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/rps')

diff --git a/src/rps/gnunet-service-rps.c b/src/rps/gnunet-service-rps.c
index c60ab5e63..5d568dfac 100644
--- a/src/rps/gnunet-service-rps.c
+++ b/src/rps/gnunet-service-rps.c
@@ -4389,6 +4389,13 @@ run (void *cls,
                                        NULL, /* WindowSize handler */
                                        cleanup_destroyed_channel, /* Disconnect handler */
                                        cadet_handlers);
+  if (NULL == cadet_port)
+  {
+    LOG (GNUNET_ERROR_TYPE_ERROR,
+        "Cadet port `%s' is already in use.\n",
+        GNUNET_APPLICATION_PORT_RPS);
+    GNUNET_assert (0);
+  }
 
 
   peerinfo_handle = GNUNET_PEERINFO_connect (cfg);
-- 
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