netdev - [PATCH 3/5] usb: usbnet: use newly introduced hex_to

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Date:	Fri, 23 Jul 2010 16:18:08 +0300
From:	Andy Shevchenko <andy.shevchenko@...il.com>
To:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Andy Shevchenko <andy.shevchenko@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org
Subject: [PATCH 3/5] usb: usbnet: use newly introduced hex_to_bin()

Signed-off-by: Andy Shevchenko <andy.shevchenko@...il.com>
Cc: Greg Kroah-Hartman <gregkh@...e.de>
Cc: linux-usb@...r.kernel.org
---
 drivers/net/usb/usbnet.c |   13 ++-----------
 1 files changed, 2 insertions(+), 11 deletions(-)

diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7eab407..f5e1639 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -44,6 +44,7 @@
 #include <linux/usb.h>
 #include <linux/usb/usbnet.h>
 #include <linux/slab.h>
+#include <linux/kernel.h>
 
 #define DRIVER_VERSION		"22-Aug-2005"
 
@@ -158,16 +159,6 @@ int usbnet_get_endpoints(struct usbnet *dev, struct usb_interface *intf)
 }
 EXPORT_SYMBOL_GPL(usbnet_get_endpoints);
 
-static u8 nibble(unsigned char c)
-{
-	if (likely(isdigit(c)))
-		return c - '0';
-	c = toupper(c);
-	if (likely(isxdigit(c)))
-		return 10 + c - 'A';
-	return 0;
-}
-
 int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
 {
 	int 		tmp, i;
@@ -183,7 +174,7 @@ int usbnet_get_ethernet_addr(struct usbnet *dev, int iMACAddress)
 	}
 	for (i = tmp = 0; i < 6; i++, tmp += 2)
 		dev->net->dev_addr [i] =
-			(nibble(buf [tmp]) << 4) + nibble(buf [tmp + 1]);
+			(hex_to_bin(buf[tmp]) << 4) + hex_to_bin(buf[tmp + 1]);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(usbnet_get_ethernet_addr);
-- 
1.7.1.1

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