bugfix: this function needs to return error code rc instead of return…

…ing the log page length, because returning the page length will cause all function callers to erroneously determine that the SCSI command (ioctl) has failed

src/tape_drivers/linux/lin_tape/lin_tape_ibmtape.c

@@ -2237,7 +2237,7 @@ int lin_tape_ibmtape_logsense(void *device, const uint8_t page, const uint8_t su
 
 	ltfs_profiler_add_entry(priv->profiler, NULL, TAPEBEND_REQ_EXIT(REQ_TC_LOGSENSE));
 
-	return log_page.len;
+	return rc;
 }
 
 /**