--- zzzz-none-000/linux-2.6.39.4/drivers/usb/storage/sierra_ms.c	2011-08-03 19:43:28.000000000 +0000
+++ puma6-atom-6490-729/linux-2.6.39.4/drivers/usb/storage/sierra_ms.c	2021-11-10 13:38:17.000000000 +0000
@@ -129,7 +129,7 @@
 	struct swoc_info *swocInfo;
 	struct usb_device *udev;
 	struct Scsi_Host *sh;
-	struct scsi_device *sd;
+	struct scsi_device *sd __maybe_unused;
 
 	retries = 3;
 	result = 0;