2 files changed, 15 insertions, 19 deletions

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index e9c05b8f4f4..4e705f87969 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1082,7 +1082,11 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock,
 
 	SOCK_DEBUG(sk, "NET/ROM: sendto: Addresses built.\n");
 
-	/* Build a packet */
+	/* Build a packet - the conventional user limit is 236 bytes. We can
+	   do ludicrously large NetROM frames but must not overflow */
+	if (len > 65536)
+		return -EMSGSIZE;
+
 	SOCK_DEBUG(sk, "NET/ROM: sendto: building packet.\n");
 	size = len + NR_NETWORK_LEN + NR_TRANSPORT_LEN;
 
@@ -1432,7 +1436,7 @@ static int __init nr_proto_init(void)
 		struct net_device *dev;
 
 		sprintf(name, "nr%d", i);
-		dev = alloc_netdev(sizeof(struct nr_private), name, nr_setup);
+		dev = alloc_netdev(0, name, nr_setup);
 		if (!dev) {
 			printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device structure\n");
 			goto fail;
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 6caf459665f..351372463fe 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -42,7 +42,7 @@
 
 int nr_rx_ip(struct sk_buff *skb, struct net_device *dev)
 {
-	struct net_device_stats *stats = netdev_priv(dev);
+	struct net_device_stats *stats = &dev->stats;
 
 	if (!netif_running(dev)) {
 		stats->rx_dropped++;
@@ -171,8 +171,7 @@ static int nr_close(struct net_device *dev)
 
 static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-	struct nr_private *nr = netdev_priv(dev);
-	struct net_device_stats *stats = &nr->stats;
+	struct net_device_stats *stats = &dev->stats;
 	unsigned int len = skb->len;
 
 	if (!nr_route_frame(skb, NULL)) {
@@ -187,34 +186,27 @@ static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
 	return 0;
 }
 
-static struct net_device_stats *nr_get_stats(struct net_device *dev)
-{
-	struct nr_private *nr = netdev_priv(dev);
-
-	return &nr->stats;
-}
-
 static const struct header_ops nr_header_ops = {
 	.create	= nr_header,
 	.rebuild= nr_rebuild_header,
 };
 
+static const struct net_device_ops nr_netdev_ops = {
+	.ndo_open		= nr_open,
+	.ndo_stop		= nr_close,
+	.ndo_start_xmit		= nr_xmit,
+	.ndo_set_mac_address    = nr_set_mac_address,
+};
 
 void nr_setup(struct net_device *dev)
 {
 	dev->mtu		= NR_MAX_PACKET_SIZE;
-	dev->hard_start_xmit	= nr_xmit;
-	dev->open		= nr_open;
-	dev->stop		= nr_close;
-
+	dev->netdev_ops		= &nr_netdev_ops;
 	dev->header_ops		= &nr_header_ops;
 	dev->hard_header_len	= NR_NETWORK_LEN + NR_TRANSPORT_LEN;
 	dev->addr_len		= AX25_ADDR_LEN;
 	dev->type		= ARPHRD_NETROM;
-	dev->set_mac_address    = nr_set_mac_address;
 
 	/* New-style flags. */
 	dev->flags		= IFF_NOARP;
-
-	dev->get_stats 		= nr_get_stats;
 }