On Fri, Jun 12, 2015 at 02:39:08PM +0900, Dean Lee wrote: > change own data type(WILC_Char) to common data type(s8) Why not just 'char'? And you are using these in "strings", so why not u8? thanks, greg k-h _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel