wireless: use newly introduced hex_to_bin()

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Corey Thomas <coreythomas@charter.net>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 21 deletions

diff --git a/drivers/net/wireless/ray_cs.c b/drivers/net/wireless/ray_cs.c
index abff8934db13..9c38fc331dca 100644
--- a/drivers/net/wireless/ray_cs.c
+++ b/drivers/net/wireless/ray_cs.c
@@ -97,7 +97,6 @@ static iw_stats *ray_get_wireless_stats(struct net_device *dev);
 static const struct iw_handler_def ray_handler_def;
 
 /***** Prototypes for raylink functions **************************************/
-static int asc_to_int(char a);
 static void authenticate(ray_dev_t *local);
 static int build_auth_frame(ray_dev_t *local, UCHAR *dest, int auth_type);
 static void authenticate_timeout(u_long);
@@ -1717,24 +1716,6 @@ static void authenticate_timeout(u_long data)
 }
 
 /*===========================================================================*/
-static int asc_to_int(char a)
-{
-        if (a < '0')
-                return -1;
-        if (a <= '9')
-                return (a - '0');
-        if (a < 'A')
-                return -1;
-        if (a <= 'F')
-                return (10 + a - 'A');
-        if (a < 'a')
-                return -1;
-        if (a <= 'f')
-                return (10 + a - 'a');
-        return -1;
-}
-
-/*===========================================================================*/
 static int parse_addr(char *in_str, UCHAR *out)
 {
         int len;
@@ -1754,14 +1735,14 @@ static int parse_addr(char *in_str, UCHAR *out)
         i = 5;
 
         while (j > 0) {
-                if ((k = asc_to_int(in_str[j--])) != -1)
+                if ((k = hex_to_bin(in_str[j--])) != -1)
                         out[i] = k;
                 else
                         return 0;
 
                 if (j == 0)
                         break;
-                if ((k = asc_to_int(in_str[j--])) != -1)
+                if ((k = hex_to_bin(in_str[j--])) != -1)
                         out[i] += k << 4;
                 else
                         return 0;