diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c
index 168658b4b4e26d2bc7b2614cf5b8cb891a3614e5..239bf8ed9f4a445108d0554b8613043098349dff 100644
--- a/drivers/usb/gadget/imx_udc.c
+++ b/drivers/usb/gadget/imx_udc.c
@@ -734,9 +734,12 @@ static struct usb_request *imx_ep_alloc_request
 {
 	struct imx_request *req;
 
+	if (!usb_ep)
+		return NULL;
+
 	req = kzalloc(sizeof *req, gfp_flags);
-	if (!req || !usb_ep)
-		return 0;
+	if (!req)
+		return NULL;
 
 	INIT_LIST_HEAD(&req->queue);
 	req->in_use = 0;