compat_type 231 drivers/input/serio/serport.c compat_ulong_t compat_type; compat_type 233 drivers/input/serio/serport.c if (get_user(compat_type, (compat_ulong_t __user *)uarg)) compat_type 236 drivers/input/serio/serport.c serport_set_type(tty, compat_type);