Merge branch 'master' of scm.gforge.inria.fr:/gitroot/simgrid/simgrid

[simgrid.git] / src / smpi / smpi_coll.cpp

diff --git a/src/smpi/smpi_coll.cpp b/src/smpi/smpi_coll.cpp
index dcf92403e8146d46d4151e50b72b2220b4cb6c4d..3d50a570b65abe445cb50a45a1cbd138b02994e1 100644 (file)
--- a/src/smpi/smpi_coll.cpp
+++ b/src/smpi/smpi_coll.cpp
@@ -124,7 +124,8 @@ int find_coll_description(s_mpi_coll_description_t * table,
 {
   char *name_list = NULL;
   int selector_on=0;
-  if(name==NULL){//no argument provided, use active selector's algorithm
+  if (name==NULL || name[0] == '\0') {
+    //no argument provided, use active selector's algorithm
     name=(char*)xbt_cfg_get_string("smpi/coll-selector");
     selector_on=1;
   }