linux/metag/get_error.c

/* result pointer in D0Re0 (D0.0) */
if (check_errno && is_negated_errno(metag_regs.dx[0][0])) {
	tcp->u_rval = -1;
	tcp->u_error = -metag_regs.dx[0][0];
} else {
	tcp->u_rval = metag_regs.dx[0][0];
}