[mc] Fix segfault when displaying SIMCALL_MUTEX_LOCK

[simgrid.git] / src / mc / mc_request.cpp

diff --git a/src/mc/mc_request.cpp b/src/mc/mc_request.cpp
index 2c9dd02..4503597 100644 (file)
--- a/src/mc/mc_request.cpp
+++ b/src/mc/mc_request.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2008-2014. The SimGrid Team.
+/* Copyright (c) 2008-2015. The SimGrid Team.
  * All rights reserved.                                                     */
 
 /* This program is free software; you can redistribute it and/or modify it
@@ -650,7 +650,7 @@ char *MC_request_get_dot_output(smx_simcall_t req, int value)
     break;
 
   case SIMCALL_MUTEX_LOCK:
-    label = bprintf("[(%lu)] Mutex LOCK", req->issuer->pid);
+    label = bprintf("[(%lu)] Mutex LOCK", issuer->pid);
     break;
 
   case SIMCALL_MC_RANDOM: