ACPI_ATTR_NAME_LEN
ret = strscpy(attr_name, name, ACPI_ATTR_NAME_LEN + 1);
return kstrtoint(&name[ACPI_ATTR_NAME_LEN + 1], 0, attr_num);
char attr_name[ACPI_ATTR_NAME_LEN + 1];
char name[ACPI_ATTR_NAME_LEN + 1]; \