return -EINVAL;
if (!netif_device_present(dev))
return -ENODEV;
- if (!memcmp(dev->dev_addr, sa->sa_data, dev->addr_len))
- return 0;
err = dev_pre_changeaddr_notify(dev, sa->sa_data, extack);
if (err)
return err;
- err = ops->ndo_set_mac_address(dev, sa);
- if (err)
- return err;
+ if (memcmp(dev->dev_addr, sa->sa_data, dev->addr_len)) {
+ err = ops->ndo_set_mac_address(dev, sa);
+ if (err)
+ return err;
+ }
dev->addr_assign_type = NET_ADDR_SET;
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
add_device_randomness(dev->dev_addr, dev->addr_len);