net: core: don't use own hex_to_bin() method

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

1 files changed, 12 insertions, 24 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 24a19debda1b..10a1ea72010d 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1434,18 +1434,12 @@ static ssize_t pktgen_if_write(struct file *file,
                 i += len;
 
                 for (*m = 0; *v && m < pkt_dev->dst_mac + 6; v++) {
-                        if (*v >= '0' && *v <= '9') {
-                                *m *= 16;
-                                *m += *v - '0';
-                        }
-                        if (*v >= 'A' && *v <= 'F') {
-                                *m *= 16;
-                                *m += *v - 'A' + 10;
-                        }
-                        if (*v >= 'a' && *v <= 'f') {
-                                *m *= 16;
-                                *m += *v - 'a' + 10;
-                        }
+                        int value;
+
+                        value = hex_to_bin(*v);
+                        if (value >= 0)
+                                *m = *m * 16 + value;
+
                         if (*v == ':') {
                                 m++;
                                 *m = 0;
@@ -1476,18 +1470,12 @@ static ssize_t pktgen_if_write(struct file *file,
                 i += len;
 
                 for (*m = 0; *v && m < pkt_dev->src_mac + 6; v++) {
-                        if (*v >= '0' && *v <= '9') {
-                                *m *= 16;
-                                *m += *v - '0';
-                        }
-                        if (*v >= 'A' && *v <= 'F') {
-                                *m *= 16;
-                                *m += *v - 'A' + 10;
-                        }
-                        if (*v >= 'a' && *v <= 'f') {
-                                *m *= 16;
-                                *m += *v - 'a' + 10;
-                        }
+                        int value;
+
+                        value = hex_to_bin(*v);
+                        if (value >= 0)
+                                *m = *m * 16 + value;
+
                         if (*v == ':') {
                                 m++;
                                 *m = 0;