--- zzzz-none-000/linux-3.10.107/drivers/media/usb/gspca/konica.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/usb/gspca/konica.c	2021-02-04 17:41:59.000000000 +0000
@@ -243,7 +243,7 @@
 
 static void sd_stopN(struct gspca_dev *gspca_dev)
 {
-	struct sd *sd = (struct sd *) gspca_dev;
+	struct sd *sd __maybe_unused = (struct sd *) gspca_dev;
 
 	konica_stream_off(gspca_dev);
 #if IS_ENABLED(CONFIG_INPUT)