1 files changed, 5 insertions, 7 deletions

diff --git a/drivers/usb/gadget/audio.c b/drivers/usb/gadget/audio.c
index 55b593c5a9c8..8857b6eeb6a2 100644
--- a/drivers/usb/gadget/audio.c
+++ b/drivers/usb/gadget/audio.c
@@ -33,14 +33,12 @@ USB_GADGET_COMPOSITE_OPTIONS();
 
 /* string IDs are assigned dynamically */
 
-#define STRING_MANUFACTURER_IDX         0
-#define STRING_PRODUCT_IDX              1
-
 static char manufacturer[50];
 
 static struct usb_string strings_dev[] = {
-        [STRING_MANUFACTURER_IDX].s = manufacturer,
-        [STRING_PRODUCT_IDX].s = DRIVER_DESC,
+        [USB_GADGET_MANUFACTURER_IDX].s = manufacturer,
+        [USB_GADGET_PRODUCT_IDX].s = DRIVER_DESC,
+        [USB_GADGET_SERIAL_IDX].s = "",
         {  } /* end of list */
 };
 
@@ -170,8 +168,8 @@ static int __init audio_bind(struct usb_composite_dev *cdev)
         status = usb_string_ids_tab(cdev, strings_dev);
         if (status < 0)
                 goto fail;
-        device_desc.iManufacturer = strings_dev[STRING_MANUFACTURER_IDX].id;
-        device_desc.iProduct = strings_dev[STRING_PRODUCT_IDX].id;
+        device_desc.iManufacturer = strings_dev[USB_GADGET_MANUFACTURER_IDX].id;
+        device_desc.iProduct = strings_dev[USB_GADGET_PRODUCT_IDX].id;
 
         status = usb_add_config(cdev, &audio_config_driver, audio_do_config);
         if (status < 0)