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Subject[PATCH v2 06/10] batman-adv: use eth_hw_addr_random() instead of random_ether_addr()
Date
Use eth_hw_addr_random() instead of calling random_ether_addr()
to set addr_assign_type correctly to NET_ADDR_RANDOM.

Remove dev_addr in interface_setup(), it's not needed anymore.

Reset the state to NET_ADDR_PERM as soon as the MAC get
changed via .ndo_set_mac_address.

v2: use bitops, adapt to eth_hw_addr_random()

Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de>
---
net/batman-adv/soft-interface.c | 5 ++---
1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c
index 987c75a..fd1d327 100644
--- a/net/batman-adv/soft-interface.c
+++ b/net/batman-adv/soft-interface.c
@@ -541,6 +541,7 @@ static int interface_set_mac_addr(struct net_device *dev, void *p)
}

memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+ dev->addr_assign_type &= ~NET_ADDR_RANDOM;
return 0;
}

@@ -783,7 +784,6 @@ 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 +800,7 @@ 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);
+ eth_hw_addr_random(dev);

SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);

--
1.7.8.3


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