[NET]: post-sysfs netdev cleanup.

include/linux/netdevice.h

@@ -441,9 +441,6 @@ struct net_device
 	struct divert_blk	*divert;
 #endif /* CONFIG_NET_DIVERT */
 
-	/* generic device structure used in constructing class */
-	struct device		*dev;
-
 	/* class/net/name entry */
 	struct class_device	class_dev;
 
@@ -455,7 +452,7 @@ struct net_device
 /* Set the sysfs physical device reference for the network logical device
  * if set prior to registration will cause a symlink during initialization.
  */
-#define SET_NETDEV_DEV(net, pdev)	((net)->dev = (pdev))
+#define SET_NETDEV_DEV(net, pdev)	((net)->class_dev.dev = (pdev))
 
 
 struct packet_type 

net/core/net-sysfs.c

@@ -291,9 +291,7 @@ int netdev_register_sysfs(struct net_device *net)
 	struct class_device_attribute *attr;
 	int ret;
 
-	memset(class_dev, 0, sizeof(struct class_device)); 
 	class_dev->class = &net_class;
-	class_dev->dev = net->dev;
 	class_dev->class_data = net;
 
 	snprintf(class_dev->class_id, BUS_ID_SIZE, net->name);