diff --git a/drivers/usb/gadget/fsl_usb2_udc.c b/drivers/usb/gadget/fsl_usb2_udc.c
index 038e7d7..d59eb92 100644
--- a/drivers/usb/gadget/fsl_usb2_udc.c
+++ b/drivers/usb/gadget/fsl_usb2_udc.c
@@ -776,7 +776,7 @@
 		VDBG("%s, bad params\n", __FUNCTION__);
 		return -EINVAL;
 	}
-	if (!_ep || (!ep->desc && ep_index(ep))) {
+	if (unlikely(!_ep || !ep->desc)) {
 		VDBG("%s, bad ep\n", __FUNCTION__);
 		return -EINVAL;
 	}