Add tests to ensure that we are not destructing NULL-pointers.

This commit was SVN r2452.

src/class/ompi_list.c

@@ -73,11 +73,13 @@ static void ompi_list_destruct(ompi_list_t *list)
 {
     ompi_list_item_t *item;
 
-    while (NULL != (item = ompi_list_remove_first(list))) {
-	OBJ_RELEASE(item);
-    }
+    if (NULL != list) {
+	while (NULL != (item = ompi_list_remove_first(list))) {
+	    OBJ_RELEASE(item);
+	}
 
-    ompi_list_construct(list);
+	ompi_list_construct(list);
+    }
 }
 
 

src/mca/gpr/replica/gpr_replica.c

@@ -164,7 +164,9 @@ int gpr_replica_put(ompi_registry_mode_t addr_mode, char *segment,
     }
 
     /* release list of keys */
-    OBJ_RELEASE(keylist);
+    if (NULL != keylist) {
+	OBJ_RELEASE(keylist);
+    }
 
     return return_code;
 }
@@ -265,7 +267,9 @@ int gpr_replica_delete_object(ompi_registry_mode_t addr_mode,
 
 
  CLEANUP:
-    OBJ_RELEASE(keylist);
+    if (NULL != keylist) {
+	OBJ_RELEASE(keylist);
+    }
 
     if (NULL != keys) {
 	free(keys);