Replace sscanf() with mac_pton().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Andy Gospodarek <andy@greyhouse.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
 {
        u8 macaddr[ETH_ALEN];
        u8 *mac;
-       int i;
 
        if (newval->string) {
-               i = sscanf(newval->string, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx",
-                          &macaddr[0], &macaddr[1], &macaddr[2],
-                          &macaddr[3], &macaddr[4], &macaddr[5]);
-               if (i != ETH_ALEN)
+               if (!mac_pton(newval->string, macaddr))
                        goto err;
                mac = macaddr;
        } else {