usb: gadget: at91_udc: move the dereference below the NULL test

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / usb / gadget / at91_udc.c

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index c9e66df..d95f6b0 100644 (file)
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -469,7 +469,7 @@ static int at91_ep_enable(struct usb_ep *_ep,
                                const struct usb_endpoint_descriptor *desc)
 {
        struct at91_ep  *ep = container_of(_ep, struct at91_ep, ep);
-       struct at91_udc *udc = ep->udc;
+       struct at91_udc *udc;
        u16             maxpacket;
        u32             tmp;
        unsigned long   flags;
@@ -484,6 +484,7 @@ static int at91_ep_enable(struct usb_ep *_ep,
                return -EINVAL;
        }
 
+       udc = ep->udc;
        if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN) {
                DBG("bogus device state\n");
                return -ESHUTDOWN;