return NULL to avoid that the function returns an invalid pointer

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@4811 48e7efb5-ca39-0410-a469-dd3cf9ba447f

diff --git a/src/surf/trace_mgr.c b/src/surf/trace_mgr.c
index 3cda9b4..a00896d 100644 (file)
--- a/src/surf/trace_mgr.c
+++ b/src/surf/trace_mgr.c
@@ -188,6 +188,7 @@ tmgr_trace_event_t tmgr_history_get_next_event_leq(tmgr_history_t h,
     trace_event->idx = 0;
   } else {                     /* We don't need this trace_event anymore */
     free(trace_event);
+       return NULL;
   }
 
   return trace_event;