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net: call add_device_randomness() only after successful mac change

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Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-01-01 03:30:14 +00:00 • committed by David S. Miller
parent e7c3273ec2
commit f652151640
1 changed files with 4 additions and 3 deletions
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7
net/core/dev.c
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@ -5020,10 +5020,11 @@ int dev_set_mac_address(struct net_device *dev, struct sockaddr *sa)
if (!netif_device_present(dev)) if (!netif_device_present(dev))
return -ENODEV; return -ENODEV;
err = ops->ndo_set_mac_address(dev, sa); err = ops->ndo_set_mac_address(dev, sa);
if (!err) if (err)
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev); return err;
call_netdevice_notifiers(NETDEV_CHANGEADDR, dev);
add_device_randomness(dev->dev_addr, dev->addr_len); add_device_randomness(dev->dev_addr, dev->addr_len);
return err; return 0;
} }
EXPORT_SYMBOL(dev_set_mac_address); EXPORT_SYMBOL(dev_set_mac_address);