*/
static dev_t macvtap_major;
-static const void *macvtap_net_namespace(struct device *d)
+static const void *macvtap_net_namespace(const struct device *d)
{
- struct net_device *dev = to_net_dev(d->parent);
+ const struct net_device *dev = to_net_dev(d->parent);
return dev_net(dev);
}