diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c
index ce751555f6ba0ca061e94beb5f907fd9275eee7c..a792e322f4f1b84c58e20538b48d1e7beea4082f 100644
--- a/drivers/usb/gadget/dummy_hcd.c
+++ b/drivers/usb/gadget/dummy_hcd.c
@@ -1906,7 +1906,7 @@ static int dummy_hub_status(struct usb_hcd *hcd, char *buf)
 }
 
 /* usb 3.0 root hub device descriptor */
-struct {
+static struct {
 	struct usb_bos_descriptor bos;
 	struct usb_ss_cap_descriptor ss_cap;
 } __packed usb3_bos_desc = {