net: remove driver_data direct access of struct device

In the near future, the driver core is going to not allow direct access
to the driver_data pointer in struct device.  Instead, the functions
dev_get_drvdata() and dev_set_drvdata() should be used.  These functions
have been around since the beginning, so are backwards compatible with
all older kernel versions.

Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index d696e5f..837135f 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -482,7 +482,7 @@
 				       struct device_attribute *attr,
 				       char *buf)
 {
-	struct hso_device *hso_dev = dev->driver_data;
+	struct hso_device *hso_dev = dev_get_drvdata(dev);
 	char *port_name;
 
 	if (!hso_dev)
@@ -2313,7 +2313,7 @@
 	serial->parent->dev = tty_register_device(tty_drv, minor,
 					&serial->parent->interface->dev);
 	dev = serial->parent->dev;
-	dev->driver_data = serial->parent;
+	dev_set_drvdata(dev, serial->parent);
 	i = device_create_file(dev, &dev_attr_hsotype);
 
 	/* fill in specific data for later use */