1 files changed, 28 insertions, 2 deletions

diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 20e34608fa4a..9e05639435f2 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -54,6 +54,7 @@ static const char driver_name [] = "asix";
 #define AX_CMD_WRITE_IPG0               0x12
 #define AX_CMD_WRITE_IPG1               0x13
 #define AX_CMD_READ_NODE_ID             0x13
+#define AX_CMD_WRITE_NODE_ID            0x14
 #define AX_CMD_WRITE_IPG2               0x14
 #define AX_CMD_WRITE_MULTI_FILTER       0x16
 #define AX88172_CMD_READ_NODE_ID        0x17
@@ -165,6 +166,7 @@ static const char driver_name [] = "asix";
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
         u8 multi_filter[AX_MCAST_FILTER_SIZE];
+        u8 mac_addr[ETH_ALEN];
         u8 phymode;
         u8 ledmode;
         u8 eeprom_len;
@@ -732,6 +734,30 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
         return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 }
 
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+        struct usbnet *dev = netdev_priv(net);
+        struct asix_data *data = (struct asix_data *)&dev->data;
+        struct sockaddr *addr = p;
+
+        if (netif_running(net))
+                return -EBUSY;
+        if (!is_valid_ether_addr(addr->sa_data))
+                return -EADDRNOTAVAIL;
+
+        memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+        /* We use the 20 byte dev->data
+         * for our 6 byte mac buffer
+         * to avoid allocating memory that
+         * is tricky to free later */
+        memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+        asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+                                                        data->mac_addr);
+
+        return 0;
+}
+
 /* We need to override some ethtool_ops so we require our
    own structure so we don't interfere with other usbnet
    devices that may be connected at the same time. */
@@ -919,7 +945,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
         .ndo_start_xmit         = usbnet_start_xmit,
         .ndo_tx_timeout         = usbnet_tx_timeout,
         .ndo_change_mtu         = usbnet_change_mtu,
-        .ndo_set_mac_address    = eth_mac_addr,
+        .ndo_set_mac_address    = asix_set_mac_address,
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_do_ioctl           = asix_ioctl,
         .ndo_set_multicast_list = asix_set_multicast,
@@ -1213,7 +1239,7 @@ static const struct net_device_ops ax88178_netdev_ops = {
         .ndo_stop               = usbnet_stop,
         .ndo_start_xmit         = usbnet_start_xmit,
         .ndo_tx_timeout         = usbnet_tx_timeout,
-        .ndo_set_mac_address    = eth_mac_addr,
+        .ndo_set_mac_address    = asix_set_mac_address,
         .ndo_validate_addr      = eth_validate_addr,
         .ndo_set_multicast_list = asix_set_multicast,
         .ndo_do_ioctl           = asix_ioctl,