if (get_1284_register(pp, 1, &ret))
if (get_1284_register(pp, 1, &ret, GFP_KERNEL))
static unsigned char parport_uss720_read_status(struct parport *pp){	unsigned char ret;	if (get_1284_register(pp, 1, &ret))		return 0;	return ret & 0xf8;}