// get the serial + vendor + model,
// some changer require this to be an extra scsi command
- let page = get_element(
+ // some changers don't support this
+ if let Ok(page) = get_element(
&mut sg_raw,
ElementType::DataTransferWithDVCID,
allocation_len,
false,
- )?;
- // should be in same order and same count, but be on the safe side.
- // there should not be too many drives normally
- for drive in drives.iter_mut() {
- for drive2 in &page.drives {
- if drive2.element_address == drive.element_address {
- drive.vendor = drive2.vendor.clone();
- drive.model = drive2.model.clone();
- drive.drive_serial_number = drive2.drive_serial_number.clone();
+ ) {
+ // should be in same order and same count, but be on the safe side.
+ // there should not be too many drives normally
+ for drive in drives.iter_mut() {
+ for drive2 in &page.drives {
+ if drive2.element_address == drive.element_address {
+ drive.vendor = drive2.vendor.clone();
+ drive.model = drive2.model.clone();
+ drive.drive_serial_number = drive2.drive_serial_number.clone();
+ }
}
}
}