need more checks

1 files changed, 5 insertions, 1 deletions

diff --git a/src/transport/plugin_transport_tcp.c b/src/transport/plugin_transport_tcp.c
index 872bac4ce..41f8fb911 100644
--- a/src/transport/plugin_transport_tcp.c
+++ b/src/transport/plugin_transport_tcp.c
@@ -2076,7 +2076,11 @@ libgnunet_plugin_transport_tcp_init (void *cls)
                                          &try_connection_reversal,
                                          plugin);
       while (ret > 0)
-        GNUNET_free (addrs[--ret]);
+      {
+        ret--;
+        GNUNET_assert (addrs[ret] != NULL);
+        GNUNET_free (addrs[ret]);
+      }
       GNUNET_free_non_null (addrs);
       GNUNET_free_non_null (addrlens);
     }