Merge pull request open-mpi#13172 from hppritcha/fix_han_mem_leaks

HAN: plug some memory leaks found by valgrind

Author: hppritcha

ompi/mca/coll/han/coll_han_component.c

@@ -147,6 +147,7 @@ static int han_open(void)
 static int han_close(void)
 {
     mca_coll_han_free_dynamic_rules();
+    mca_coll_han_free_algorithms();
 
     free(mca_coll_han_component.han_op_module_name.bcast.han_op_up_module_name);
     mca_coll_han_component.han_op_module_name.bcast.han_op_up_module_name = NULL;

ompi/mca/coll/han/coll_han_subcomms.c

@@ -187,6 +187,9 @@ int mca_coll_han_comm_create_new(struct ompi_communicator_t *comm,
     /*
      * Set the cached info
      */
+    if (NULL != han_module->cached_vranks) {
+        free(han_module->cached_vranks);
+    }
     han_module->cached_vranks = vranks;
 
     /* Restore the saved collectives */