diff options
author | Jiri Pirko <jiri@resnulli.us> | 2013-01-08 05:38:25 +0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-01-09 06:00:47 +0400 |
commit | 948b337e62ca96b6e7de06fdd5f6fe44769d7e9c (patch) | |
tree | 801e99a0a85a7030dc0c5cde8907d54860ac6716 | |
parent | 7265a6bbdd28c37e567162308a09807cb22cdb75 (diff) | |
download | linux-948b337e62ca96b6e7de06fdd5f6fe44769d7e9c.tar.xz |
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: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | net/core/dev.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 2e2448201a76..594830e83589 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -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); |