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path: root/drivers/net/dummy.c
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Diffstat (limited to 'drivers/net/dummy.c')
-rw-r--r--drivers/net/dummy.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c
index 373ff700404..756a6bcb038 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. */