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. */