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authorPatrick McHardy <kaber@trash.net>2007-07-11 19:42:31 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-07-11 19:45:36 -0700
commit0e06877c6fdbc67b1132be895f995acd1ff30135 (patch)
treeddaba8cddc8a95d23ee18f812c6aba67dd9b1c6f /drivers/net/ifb.c
parent2d85cba2b272a5201a60966a65a4f8c0bcc0bb71 (diff)
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[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/ifb.c')
-rw-r--r--drivers/net/ifb.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c
index c8e7c8f6ba3e..f5c3598e59af 100644
--- a/drivers/net/ifb.c
+++ b/drivers/net/ifb.c
@@ -221,10 +221,22 @@ static int ifb_open(struct net_device *dev)
return 0;
}
+static int ifb_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 ifb_link_ops __read_mostly = {
.kind = "ifb",
.priv_size = sizeof(struct ifb_private),
.setup = ifb_setup,
+ .validate = ifb_validate,
};
/* Number of ifb devices to be set up by this module. */