[NETROM]: Introduct stuct nr_private

NET/ROM's virtual interfaces don't have a proper private data
structure yet.  Create struct nr_private and put the statistics there.

Signed-off-by: Ralf Baechle DL5RB <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 12 insertions, 7 deletions

diff --git a/include/net/netrom.h b/include/net/netrom.h
index ad05d7a3c55d..a6bf6e0f606a 100644
--- a/include/net/netrom.h
+++ b/include/net/netrom.h
@@ -6,6 +6,7 @@
 
 #ifndef _NETROM_H
 #define _NETROM_H 
+
 #include <linux/netrom.h>
 #include <linux/list.h>
 #include <net/sock.h>
@@ -58,6 +59,10 @@ enum {
 #define NR_MAX_WINDOW_SIZE              127                     /* Maximum Window Allowable - 127 */
 #define NR_MAX_PACKET_SIZE              236                     /* Maximum Packet Length - 236 */
 
+struct nr_private {
+        struct net_device_stats stats;
+};
+
 struct nr_sock {
         struct sock             sock;
         ax25_address            user_addr, source_addr, dest_addr;
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 8c3d3a78481e..e5d82d711cae 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1392,8 +1392,7 @@ static int __init nr_proto_init(void)
                 struct net_device *dev;
 
                 sprintf(name, "nr%d", i);
-                dev = alloc_netdev(sizeof(struct net_device_stats), name,
-                                          nr_setup);
+                dev = alloc_netdev(sizeof(struct nr_private), 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 909aa7f50744..4e66eef9a034 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -160,10 +160,9 @@ static int nr_close(struct net_device *dev)
 
 static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
 {
-        struct net_device_stats *stats = netdev_priv(dev);
-        unsigned int len;
-
-        len = skb->len;
+        struct nr_private *nr = netdev_priv(dev);
+        struct net_device_stats *stats = &nr->stats;
+        unsigned int len = skb->len;
 
         if (!nr_route_frame(skb, NULL)) {
                 kfree_skb(skb);
@@ -179,7 +178,9 @@ static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
 
 static struct net_device_stats *nr_get_stats(struct net_device *dev)
 {
-        return netdev_priv(dev);
+        struct nr_private *nr = netdev_priv(dev);
+
+        return &nr->stats;
 }
 
 void nr_setup(struct net_device *dev)