ces 739 drivers/scsi/ch.c struct changer_element_status ces; ces 741 drivers/scsi/ch.c if (copy_from_user(&ces, argp, sizeof (ces))) ces 743 drivers/scsi/ch.c if (ces.ces_type < 0 || ces.ces_type >= CH_TYPES) ces 746 drivers/scsi/ch.c return ch_gstatus(ch, ces.ces_type, ces.ces_data);