1 files changed, 14 insertions, 10 deletions

diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 26d6f0b..20b3fdf2 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -43,7 +43,6 @@ struct macvlan_port {
 	struct net_device	*dev;
 	struct hlist_head	vlan_hash[MACVLAN_HASH_SIZE];
 	struct list_head	vlans;
-	struct rcu_head		rcu;
 	struct sk_buff_head	bc_queue;
 	struct work_struct	bc_work;
 	bool 			passthru;
@@ -179,20 +178,20 @@ static void macvlan_hash_change_addr(struct macvlan_dev *vlan,
 	macvlan_hash_add(vlan);
 }
 
-static int macvlan_addr_busy(const struct macvlan_port *port,
-				const unsigned char *addr)
+static bool macvlan_addr_busy(const struct macvlan_port *port,
+			      const unsigned char *addr)
 {
 	/* Test to see if the specified multicast address is
 	 * currently in use by the underlying device or
 	 * another macvlan.
 	 */
 	if (ether_addr_equal_64bits(port->dev->dev_addr, addr))
-		return 1;
+		return true;
 
 	if (macvlan_hash_lookup(port, addr))
-		return 1;
+		return true;
 
-	return 0;
+	return false;
 }
 
 
@@ -400,8 +399,7 @@ static void macvlan_forward_source(struct sk_buff *skb,
 
 	hlist_for_each_entry_rcu(entry, h, hlist) {
 		if (ether_addr_equal_64bits(entry->addr, addr))
-			if (entry->vlan->dev->flags & IFF_UP)
-				macvlan_forward_source_one(skb, entry->vlan);
+			macvlan_forward_source_one(skb, entry->vlan);
 	}
 }
 
@@ -778,7 +776,7 @@ static int macvlan_change_mtu(struct net_device *dev, int new_mtu)
 {
 	struct macvlan_dev *vlan = netdev_priv(dev);
 
-	if (new_mtu < 68 || vlan->lowerdev->mtu < new_mtu)
+	if (vlan->lowerdev->mtu < new_mtu)
 		return -EINVAL;
 	dev->mtu = new_mtu;
 	return 0;
@@ -1086,6 +1084,8 @@ void macvlan_common_setup(struct net_device *dev)
 {
 	ether_setup(dev);
 
+	dev->min_mtu		= 0;
+	dev->max_mtu		= ETH_MAX_MTU;
 	dev->priv_flags	       &= ~IFF_TX_SKB_SHARING;
 	netif_keep_dst(dev);
 	dev->priv_flags	       |= IFF_UNICAST_FLT;
@@ -1150,7 +1150,7 @@ static void macvlan_port_destroy(struct net_device *dev)
 	cancel_work_sync(&port->bc_work);
 	__skb_queue_purge(&port->bc_queue);
 
-	kfree_rcu(port, rcu);
+	kfree(port);
 }
 
 static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -1299,6 +1299,10 @@ int macvlan_common_newlink(struct net *src_net, struct net_device *dev,
 	else if (dev->mtu > lowerdev->mtu)
 		return -EINVAL;
 
+	/* MTU range: 68 - lowerdev->max_mtu */
+	dev->min_mtu = ETH_MIN_MTU;
+	dev->max_mtu = lowerdev->max_mtu;
+
 	if (!tb[IFLA_ADDRESS])
 		eth_hw_addr_random(dev);