Crush when get immediate parent quickly reply.

Fixes: #14334
Signed-off-by: songbaisen song.baisen@zte.com.cn

src/crush/CrushWrapper.cc

@@ -893,7 +893,8 @@ pair<string,string> CrushWrapper::get_immediate_parent(int id, int *_ret)
         string parent_id = name_map[b->id];
         string parent_bucket_type = type_map[b->type];
         loc = make_pair(parent_bucket_type, parent_id);
-        ret = 0;
+        *_ret = 0;
+        return loc;
       }
   }