[mc] Check variable size in MC_process_read_variable()

[simgrid.git] / src / msg / msg_process.c

diff --git a/src/msg/msg_process.c b/src/msg/msg_process.c
index 70725e7341e354870c60f5c7d1dcbe368f6a5d6b..927a4a982ff833745cad81667c18e649d67b54ce 100644 (file)
--- a/src/msg/msg_process.c
+++ b/src/msg/msg_process.c
@@ -294,7 +294,7 @@ msg_host_t MSG_process_get_host(msg_process_t process)
   else {
     simdata = simcall_process_get_data(process);
   }
-  return simdata->m_host;
+  return simdata ? simdata->m_host : NULL;
 }
 
 /** \ingroup m_process_management