linux-kernel - [PATCH] staging/winbond: use err and remove nr

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Date:	Sat, 14 Jul 2012 13:25:37 +0545
From:	Devendra Naga <devendra.aaru@...il.com>
To:	Pavel Machek <pavel@....cz>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Paul Gortmaker <paul.gortmaker@...driver.com>,
	"John W. Linville" <linville@...driver.com>,
	Eliad Peller <eliad@...ery.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Cc:	Devendra Naga <devendra.aaru@...il.com>
Subject: [PATCH] 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@...il.com>
---
 drivers/staging/winbond/wbusb.c |    8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index c3751a7..ef36054 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);
-- 
1.7.9.5

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