linux-kernel - [PATCH] usb: cdns3: gadget: Remove unneeded variable ret

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Message-Id: <1576826378-4387-1-git-send-email-vulab@iscas.ac.cn>
Date:   Fri, 20 Dec 2019 07:19:38 +0000
From:   Xu Wang <vulab@...as.ac.cn>
To:     gregkh@...uxfoundation.org
Cc:     pawell@...ence.com, balbi@...nel.org, peter.chen@....com,
        rogerq@...com, colin.king@...onical.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...as.ac.cn>
---
 drivers/usb/cdns3/gadget.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 4c1e755..73b75a3 100644
--- 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 = {
-- 
2.7.4