usb: cdns3: gadget: Remove unneeded variable ret

Remove unneeded variable ret used to store return value,just return 0.

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
Acked-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/1576826378-4387-1-git-send-email-vulab@iscas.ac.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 4c1e755..73b75a3 100644 (file)
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2389,7 +2389,6 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget)
        struct cdns3_endpoint *priv_ep;
        u32 bEndpointAddress;
        struct usb_ep *ep;
-       int ret = 0;
        int val;
 
        priv_dev->gadget_driver = NULL;
@@ -2413,7 +2412,7 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget)
        writel(0, &priv_dev->regs->usb_ien);
        writel(USB_CONF_DEVDS, &priv_dev->regs->usb_conf);
 
-       return ret;
+       return 0;
 }
 
 static const struct usb_gadget_ops cdns3_gadget_ops = {