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

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

net/core/dev.c

+7 −0
Original line number Diff line number Diff line
@@ -6004,6 +6004,13 @@ int register_netdevice(struct net_device *dev) 
	list_netdevice(dev);

	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. */

	ret = call_netdevice_notifiers(NETDEV_REGISTER, dev);

	ret = notifier_to_errno(ret);