staging/winbond: use err and remove nr

err can be used get return status of the  usb_control_msg, rather using
nr and assigning it to err when the function returns error.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index c3751a718384..ef360547ecec 100644
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -747,20 +747,18 @@ static int wb35_probe(struct usb_interface *intf,
         struct usb_host_interface *interface;
         struct ieee80211_hw *dev;
         struct wbsoft_priv *priv;
-        int nr, err;
+        int err;
         u32 ltmp;
 
         usb_get_dev(udev);
 
         /* Check the device if it already be opened */
-        nr = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+        err = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
                              0x01,
                              USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
                              0x0, 0x400, &ltmp, 4, HZ * 100);
-        if (nr < 0) {
-                err = nr;
+        if (err < 0)
                 goto error;
-        }
 
         /* Is already initialized? */
         ltmp = cpu_to_le32(ltmp);