X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/dad3d47f026798446da1d32d0d1607ffc35851cf..ff3ef77d2ef796e7e5e8c384672f3057997cec4b:/src/surf/network_interface.cpp

diff --git a/src/surf/network_interface.cpp b/src/surf/network_interface.cpp
index 7fdfce0d64..7391e1d8c4 100644
--- a/src/surf/network_interface.cpp
+++ b/src/surf/network_interface.cpp
@@ -216,8 +216,10 @@ void LinkImpl::setLatencyTrace(tmgr_trace_t trace)
 
 void NetworkAction::set_state(Action::State state)
 {
+  Action::State previous = get_state();
   Action::set_state(state);
-  s4u::Link::on_communication_state_change(this);
+  if (previous != state) // Trigger only if the state changed
+    s4u::Link::on_communication_state_change(this);
 }
 
 /** @brief returns a list of all Links that this action is using */