handle being already disconnected

1 files changed, 5 insertions, 2 deletions

diff --git a/src/util/connection.c b/src/util/connection.c
index c572d02de..10f53dcf9 100644
--- a/src/util/connection.c
+++ b/src/util/connection.c
@@ -1538,8 +1538,11 @@ GNUNET_CONNECTION_notify_transmit_ready_cancel (struct
     }
   else
     {
-      GNUNET_SCHEDULER_cancel (h->sh->sched, h->sh->write_task);
-      h->sh->write_task = GNUNET_SCHEDULER_NO_TASK;
+      if (h->sh->write_task != GNUNET_SCHEDULER_NO_TASK)
+        {
+          GNUNET_SCHEDULER_cancel (h->sh->sched, h->sh->write_task);
+          h->sh->write_task = GNUNET_SCHEDULER_NO_TASK;
+        }
     }
   h->notify_ready = NULL;
 }