netdev - [PATCH -next] carl9170: remove set but not used variable 'udev'

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Message-ID: <20190702141207.47552-1-yuehaibing@huawei.com>
Date:   Tue, 2 Jul 2019 22:12:07 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <chunkeey@...glemail.com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-wireless@...r.kernel.org>, <kvalo@...eaurora.org>,
        <davem@...emloft.net>, YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] carl9170: remove set but not used variable 'udev'

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/wireless/ath/carl9170/usb.c: In function carl9170_usb_disconnect:
drivers/net/wireless/ath/carl9170/usb.c:1110:21:
 warning: variable udev set but not used [-Wunused-but-set-variable]

It is not use since commit feb09b293327 ("carl9170:
fix misuse of device driver API")

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/net/wireless/ath/carl9170/usb.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/ath/carl9170/usb.c b/drivers/net/wireless/ath/carl9170/usb.c
index 99f1897..486957a 100644
--- a/drivers/net/wireless/ath/carl9170/usb.c
+++ b/drivers/net/wireless/ath/carl9170/usb.c
@@ -1107,12 +1107,10 @@ static int carl9170_usb_probe(struct usb_interface *intf,
 static void carl9170_usb_disconnect(struct usb_interface *intf)
 {
 	struct ar9170 *ar = usb_get_intfdata(intf);
-	struct usb_device *udev;
 
 	if (WARN_ON(!ar))
 		return;
 
-	udev = ar->udev;
 	wait_for_completion(&ar->fw_load_wait);
 
 	if (IS_INITIALIZED(ar)) {
-- 
2.7.4