- * This function is called by the SCSI midlayer upon completion of
- * an error handling command (TEST UNIT READY, START STOP UNIT,
- * etc.) The command sent to the device by the error handler is
- * stored in eh_cmnd. The result of sending the eh command is
- * passed in eh_disp.
+ * This function is called by the SCSI midlayer upon completion of an
+ * error test command (currently TEST UNIT READY). The result of sending
+ * the eh command is passed in eh_disp. We're looking for devices that
+ * fail medium access commands but are OK with non access commands like
+ * test unit ready (so wrongly see the device as having a successful
+ * recovery)