* physical devices.
*/
int vlan_dev_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
struct vlan_hdr *vhdr;
unsigned short veth_TCI = 0;