linux-kernel - [PATCH 4.19 010/118] can: ucan: remove set but not used variable udev

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Date:   Tue, 11 Dec 2018 16:40:29 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, YueHaibing <yuehaibing@...wei.com>,
        Martin Elshuber <martin.elshuber@...obroma-systems.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 010/118] can: ucan: remove set but not used variable udev

4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 207681fc5f3d5d398f106d1ae0080fc2373f707a ]

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

drivers/net/can/usb/ucan.c: In function 'ucan_disconnect':
drivers/net/can/usb/ucan.c:1578:21: warning:
 variable 'udev' set but not used [-Wunused-but-set-variable]
  struct usb_device *udev;

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Reviewed-by: Martin Elshuber <martin.elshuber@...obroma-systems.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/can/usb/ucan.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/drivers/net/can/usb/ucan.c b/drivers/net/can/usb/ucan.c
index 0678a38b1af4..c9fd83e8d947 100644
--- a/drivers/net/can/usb/ucan.c
+++ b/drivers/net/can/usb/ucan.c
@@ -1575,11 +1575,8 @@ err_firmware_needs_update:
 /* disconnect the device */
 static void ucan_disconnect(struct usb_interface *intf)
 {
-	struct usb_device *udev;
 	struct ucan_priv *up = usb_get_intfdata(intf);
 
-	udev = interface_to_usbdev(intf);
-
 	usb_set_intfdata(intf, NULL);
 
 	if (up) {
-- 
2.19.1