{
   <list_node_create>
   Memcheck:Leak
   match-leak-kinds: possible
   fun:malloc
   fun:list_node_create
   ...
   fun:yyparse
   fun:parse_config_file
   fun:conf_init
   fun:main
}
{
   <list_create>
   Memcheck:Leak
   match-leak-kinds: possible
   fun:malloc
   fun:list_create
   fun:makeDevice
   fun:yyparse
   fun:parse_config_file
   fun:conf_init
   fun:main
}