Internal mechanism by calling netdev_alloc which use kzalloc already
sets these variables to zero. This patch cleanup the setup of net_device.
Reviewed-by: NStefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: NAlexander Aring <alex.aring@gmail.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>