diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index a82e2bd5ea34..c9d741dfeff4 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -1145,6 +1145,7 @@ static int usbg_submit_command(struct f_uas *fu,
 	default:
 		pr_debug_once("Unsupported prio_attr: %02x.\n",
 				cmd_iu->prio_attr);
+		/* fall through */
 	case UAS_SIMPLE_TAG:
 		cmd->prio_attr = TCM_SIMPLE_TAG;
 		break;