SD_READY_VALID
rval = SD_READY_VALID;
if ((sd_ready_and_valid(ssc, SDPART(dev))) != SD_READY_VALID) {
if ((sd_ready_and_valid(ssc, SDPART(dev))) != SD_READY_VALID) {
if ((sd_ready_and_valid(ssc, SDPART(dev))) != SD_READY_VALID) {
if ((sd_ready_and_valid(ssc, SDPART(dev))) != SD_READY_VALID) {
if (sd_ready_and_valid(ssc, partition) != SD_READY_VALID) {
if (err != SD_READY_VALID) {
if (rval == SD_READY_VALID && (!ISCD(un))) {
if ((rval != SD_READY_VALID) ||
int rval = SD_READY_VALID;