Commit 948b337e authored by Jiri Pirko's avatar Jiri Pirko Committed by David S. Miller

net: init perm_addr in register_netdevice()

Benefit from the fact that dev->addr_assign_type is set to NET_ADDR_PERM
in case the device has permanent address.

This also fixes the problem that many drivers do not set perm_addr at
all.
Signed-off-by: default avatarJiri Pirko <jiri@resnulli.us>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 7265a6bb
...@@ -6004,6 +6004,13 @@ int register_netdevice(struct net_device *dev) ...@@ -6004,6 +6004,13 @@ int register_netdevice(struct net_device *dev)
list_netdevice(dev); list_netdevice(dev);
add_device_randomness(dev->dev_addr, dev->addr_len); add_device_randomness(dev->dev_addr, dev->addr_len);
/* If the device has permanent device address, driver should
* set dev_addr and also addr_assign_type should be set to
* NET_ADDR_PERM (default value).
*/
if (dev->addr_assign_type == NET_ADDR_PERM)
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
/* Notify protocols, that a new device appeared. */ /* Notify protocols, that a new device appeared. */
ret = call_netdevice_notifiers(NETDEV_REGISTER, dev); ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);
ret = notifier_to_errno(ret); ret = notifier_to_errno(ret);
......
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