[GNUnet-SVN] r34706 - gnunet/src/multicast

[gnunet]

Author: grothoff
Date: 2014-12-19 23:37:38 +0100 (Fri, 19 Dec 2014)
New Revision: 34706

Modified:
   gnunet/src/multicast/gnunet-service-multicast.c
Log:
-check connection state / rval

Modified: gnunet/src/multicast/gnunet-service-multicast.c
===================================================================
--- gnunet/src/multicast/gnunet-service-multicast.c     2014-12-19 22:35:24 UTC 
(rev 34705)
+++ gnunet/src/multicast/gnunet-service-multicast.c     2014-12-19 22:37:38 UTC 
(rev 34706)
@@ -898,6 +898,12 @@
   const struct MulticastJoinDecisionMessageHeader *
     hdcsn = (const struct MulticastJoinDecisionMessageHeader *) m;
 
+  if (NULL == grp)
+  {
+    GNUNET_break (0);
+    GNUNET_SERVER_receive_done (client, GNUNET_SYSERR);
+    return;
+  }
   GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
               "%p Got join decision from client for group %s..\n",
               grp, GNUNET_h2s (&grp->pub_key_hash));