diff options
Diffstat (limited to 'drivers/net/ifb.c')
| -rw-r--r-- | drivers/net/ifb.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c index c8e7c8f6ba3..f5c3598e59a 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. */ |