net: dev: Add extack argument to dev_set_mac_address()

A follow-up patch will add a notifier type NETDEV_PRE_CHANGEADDR, which
allows vetoing of MAC address changes. One prominent path to that
notification is through dev_set_mac_address(). Therefore give this
function an extack argument, so that it can be packed together with the
notification. Thus a textual reason for rejection (or a warning) can be
communicated back to the user.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Petr Machata
2018-12-13 11:54:30 +00:00
committed by David S. Miller
parent 95302c394c
commit 3a37a9636c
13 changed files with 29 additions and 24 deletions

View File

@@ -59,7 +59,7 @@ static int __set_port_dev_addr(struct net_device *port_dev,
memcpy(addr.__data, dev_addr, port_dev->addr_len);
addr.ss_family = port_dev->type;
return dev_set_mac_address(port_dev, (struct sockaddr *)&addr);
return dev_set_mac_address(port_dev, (struct sockaddr *)&addr, NULL);
}
static int team_port_set_orig_dev_addr(struct team_port *port)