__scsi_device_lookup_by_target — find a device given the target (UNLOCKED)
|struct scsi_target * starget,|
Looks up the scsi_device with the specified
lun for a given
starget. The returned scsi_device does not have an additional
reference. You must hold the host's host_lock over this call and
any access to the returned scsi_device. A scsi_device in state
SDEV_DEL is skipped.