pass table name as variable in stored procedure in mysql

CREATE DEFINER=`root`@`localhost` PROCEDURE `sp_getdataforexport`(in tablename varchar(100),in tblcityname varchar(100))

BEGIN

    

      set @citycode= (select citycode from ea_citymaster where cityname=tblcityname);    

      SET @s = CONCAT('select * from ', tablename, ' where CityCode=''',@citycode,'''');

      PREPARE stmt FROM @s;

      EXECUTE stmt; 

    END$$