diff --git a/common/usb_storage.c b/common/usb_storage.c
index 239bddc..4fc01a2 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -244,7 +244,7 @@ int usb_stor_scan(int mode)
 			 * get info and fill it in
 			 */
 			if (usb_stor_get_info(dev, &usb_stor[usb_max_devs],
-						&usb_dev_desc[usb_max_devs]))
+						&usb_dev_desc[usb_max_devs]) == 1)
 				usb_max_devs++;
 		}
 		/* if storage device */
@@ -888,7 +888,7 @@ static int usb_inquiry(ccb *srb, struct us_data *ss)
 		USB_STOR_PRINTF("inquiry returns %d\n", i);
 		if (i == 0)
 			break;
-	} while (retry--);
+	} while (--retry);
 
 	if (!retry) {
 		printf("error in inquiry\n");