diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index 47903d510955b03967da9a125092b6965118c0be..caca5ed6d0f36e5fa87e9b66be9e4bb7549cd249 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -492,6 +492,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			if ((urb->interval < 6)
 				&& (xfertype == USB_ENDPOINT_XFER_INT))
 				return -EINVAL;
+			/* fall through */
 		default:
 			if (urb->interval <= 0)
 				return -EINVAL;