diff options
| author | Patrick McHardy <kaber@trash.net> | 2007-07-12 06:42:31 +0400 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-07-12 06:45:36 +0400 |
| commit | 0e06877c6fdbc67b1132be895f995acd1ff30135 (patch) | |
| tree | ddaba8cddc8a95d23ee18f812c6aba67dd9b1c6f /drivers/net/dummy.c | |
| parent | 2d85cba2b272a5201a60966a65a4f8c0bcc0bb71 (diff) | |
| download | linux-0e06877c6fdbc67b1132be895f995acd1ff30135.tar.xz | |
[RTNETLINK]: rtnl_link: allow specifying initial device address
Drivers need to validate the initial addresses in their netlink attribute
validation function or manually reject them if they can't support this.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/dummy.c')
| -rw-r--r-- | drivers/net/dummy.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c index 373ff700404f..756a6bcb038d 100644 --- a/drivers/net/dummy.c +++ b/drivers/net/dummy.c @@ -84,9 +84,21 @@ static int dummy_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } +static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) +{ + if (tb[IFLA_ADDRESS]) { + if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN) + return -EINVAL; + if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS]))) + return -EADDRNOTAVAIL; + } + return 0; +} + static struct rtnl_link_ops dummy_link_ops __read_mostly = { .kind = "dummy", .setup = dummy_setup, + .validate = dummy_validate, }; /* Number of dummy devices to be set up by this module. */ |