if (scd->scd_buf_err == 0 && /* adding buffer is enabled */
scd->scd_buf_adjust == 0 &&
scd->scd_buf_nposted < scd->scd_buf_low) {
if (scd->scd_buf_err == 0 && /* adding buffer is enabled */
scd->scd_buf_adjust == 0 &&
scd->scd_buf_nposted < scd->scd_buf_low) {