Use dev_hw_addr_random() instead of calling random_ether_addr() to set addr_assign_type correctly to NET_ADDR_RANDOM. Reset the state to NET_ADDR_PERM as soon as the MAC get changed via .ndo_set_mac_address. Signed-off-by: Danny Kukawka <danny.kukawka(a)bisect.de> --- net/batman-adv/soft-interface.c | 7 ++++--- 1 files changed, 4 insertions(+), 3 deletions(-) diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 987c75a..865a485 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -541,6 +541,9 @@ static int interface_set_mac_addr(struct net_device *dev, void *p) } memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN); + if (dev->addr_assign_type & NET_ADDR_RANDOM) + dev->addr_assign_type ^= NET_ADDR_RANDOM; + return 0; } @@ -783,7 +786,6 @@ static const struct net_device_ops bat_netdev_ops = { static void interface_setup(struct net_device *dev) { struct bat_priv *priv = netdev_priv(dev); - char dev_addr[ETH_ALEN]; ether_setup(dev); @@ -800,8 +802,7 @@ static void interface_setup(struct net_device *dev) dev->hard_header_len = BAT_HEADER_LEN; /* generate random address */ - random_ether_addr(dev_addr); - memcpy(dev->dev_addr, dev_addr, ETH_ALEN); + dev_hw_addr_random(dev, dev->dev_addr); SET_ETHTOOL_OPS(dev, &bat_ethtool_ops); -- 1.7.7.3