Offer the possibility to change smpi bandwidth and latency factor into tag config...

[simgrid.git] / src / simix / smx_network.c

diff --git a/src/simix/smx_network.c b/src/simix/smx_network.c
index 0ee16e8..3e8e1aa 100644 (file)
--- a/src/simix/smx_network.c
+++ b/src/simix/smx_network.c
@@ -265,7 +265,9 @@ void SIMIX_comm_destroy(smx_action_t action)
   if (action->comm.detached && action->state != SIMIX_DONE) {
     /* the communication has failed and was detached:
      * we have to free the buffer */
-    action->comm.clean_fun(action->comm.src_buff);
+    if (action->comm.clean_fun) {
+      action->comm.clean_fun(action->comm.src_buff);
+    }
     action->comm.src_buff = NULL;
   }