ERROR_INTR
err = (intr & ERROR_INTR)? in_8(&sw->error): 0;
if ((intr & ERROR_INTR) && fs->state != do_transfer)
if ((intr & (ERROR_INTR | TRANSFER_DONE)) == 0)
if ((intr & ERROR_INTR) == 0 && cp->xfer_status == 0) {
if (intr & ERROR_INTR) {