drivers: net: use newly introduced hex_to_bin()

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ksz884x.c b/drivers/net/ksz884x.c
index b3c010b..8b32cc1 100644 (file)
--- a/drivers/net/ksz884x.c
+++ b/drivers/net/ksz884x.c
@@ -6894,13 +6894,12 @@ static void get_mac_addr(struct dev_info *hw_priv, u8 *macaddr, int port)
        i = j = num = got_num = 0;
        while (j < MAC_ADDR_LEN) {
                if (macaddr[i]) {
+                       int digit;
+
                        got_num = 1;
-                       if ('0' <= macaddr[i] && macaddr[i] <= '9')
-                               num = num * 16 + macaddr[i] - '0';
-                       else if ('A' <= macaddr[i] && macaddr[i] <= 'F')
-                               num = num * 16 + 10 + macaddr[i] - 'A';
-                       else if ('a' <= macaddr[i] && macaddr[i] <= 'f')
-                               num = num * 16 + 10 + macaddr[i] - 'a';
+                       digit = hex_to_bin(macaddr[i]);
+                       if (digit >= 0)
+                               num = num * 16 + digit;
                        else if (':' == macaddr[i])
                                got_num = 2;
                        else