From e76cde7d644a7ca324fec0f9c59c321e98de8d2e Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Fri, 16 Jan 2015 10:20:01 +0000
Subject: [PATCH] fixing #3610

---
 src/cadet/cadet_api.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/cadet/cadet_api.c b/src/cadet/cadet_api.c
index 058f3fa87..57b292f25 100644
--- a/src/cadet/cadet_api.c
+++ b/src/cadet/cadet_api.c
@@ -1440,6 +1440,8 @@ send_packet (struct GNUNET_CADET_Handle *h,
   th->channel = channel;
   memcpy (&th[1], msg, msize);
   add_to_queue (h, th);
+  if (NULL != h->th)
+    return;
   LOG (GNUNET_ERROR_TYPE_DEBUG, "  calling ntfy tmt rdy for %u bytes\n", msize);
   h->th =
       GNUNET_CLIENT_notify_transmit_ready (h->client, msize,
-- 
2.25.1