mac80211: use mac_pton

Instead of implementing practically the same
function (hwaddr_aton) use mac_pton.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 2 insertions, 28 deletions

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 07c5721323ca..4b68ec770bdd 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -10,6 +10,7 @@
 #include <linux/kernel.h>
 #include <linux/device.h>
 #include <linux/if.h>
+#include <linux/if_ether.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
 #include <linux/rtnetlink.h>
@@ -248,27 +249,6 @@ static ssize_t ieee80211_if_fmt_tkip_mic_test(
         return -EOPNOTSUPP;
 }
 
-static int hwaddr_aton(const char *txt, u8 *addr)
-{
-        int i;
-
-        for (i = 0; i < ETH_ALEN; i++) {
-                int a, b;
-
-                a = hex_to_bin(*txt++);
-                if (a < 0)
-                        return -1;
-                b = hex_to_bin(*txt++);
-                if (b < 0)
-                        return -1;
-                *addr++ = (a << 4) | b;
-                if (i < 5 && *txt++ != ':')
-                        return -1;
-        }
-
-        return 0;
-}
-
 static ssize_t ieee80211_if_parse_tkip_mic_test(
         struct ieee80211_sub_if_data *sdata, const char *buf, int buflen)
 {
@@ -278,13 +258,7 @@ static ssize_t ieee80211_if_parse_tkip_mic_test(
         struct ieee80211_hdr *hdr;
         __le16 fc;
 
-        /*
-         * Assume colon-delimited MAC address with possible white space
-         * following.
-         */
-        if (buflen < 3 * ETH_ALEN - 1)
-                return -EINVAL;
-        if (hwaddr_aton(buf, addr) < 0)
+        if (!mac_pton(buf, addr))
                 return -EINVAL;
 
         if (!ieee80211_sdata_running(sdata))