#include <net/neighbour.h>
struct ctl_table;
-struct file;
struct inet6_dev;
struct net_device;
struct net_proto_family;
#ifdef CONFIG_SYSCTL
extern int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl,
int write,
- struct file * filp,
void __user *buffer,
size_t *lenp,
loff_t *ppos);
{
if (dev)
- return __neigh_lookup(&nd_tbl, addr, dev, 1);
+ return __neigh_lookup_errno(&nd_tbl, addr, dev);
- return NULL;
+ return ERR_PTR(-ENODEV);
}