a null check

Signed-off-by: Howard Pritchard <[email protected]>

Author: hppritcha

ompi/mpi/tool/mpit_common.c

@@ -101,6 +101,10 @@ bool ompit_obj_invalid(void *obj_handle)
     opal_class_t *opal_class;
     const char *obj_name = NULL;
 
+    if (NULL == obj_handle) {
+        goto fn_exit;
+    }
+
     /* we are actually evaulating a pointer to an OMPI MPI opaque handle */
     opal_obj = *(opal_object_t **)obj_handle;