[GNUnet-SVN] r38048 - gnunet/src/pt

[gnunet]

Author: grothoff
Date: 2016-09-30 14:58:01 +0200 (Fri, 30 Sep 2016)
New Revision: 38048

Modified:
   gnunet/src/pt/gnunet-daemon-pt.c
Log:
fix #4383

Modified: gnunet/src/pt/gnunet-daemon-pt.c
===================================================================
--- gnunet/src/pt/gnunet-daemon-pt.c    2016-09-30 12:55:07 UTC (rev 38047)
+++ gnunet/src/pt/gnunet-daemon-pt.c    2016-09-30 12:58:01 UTC (rev 38048)
@@ -342,6 +342,12 @@
   for (pos = exit_head; NULL != pos; pos = pos->next)
     if (NULL == pos->cadet_channel)
       candidate_count++;
+  if (0 == candidate_count)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "No DNS exits available yet.\n");
+    return;
+  }
   candidate_selected = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
                                                 candidate_count);
   candidate_count = 0;