[NET] neighbour: Use kmemdup where applicable

struct neigh_parms *neigh_parms_alloc(struct net_device *dev,

				      struct neigh_table *tbl)

{

	struct neigh_parms *p = kmalloc(sizeof(*p), GFP_KERNEL);

	struct neigh_parms *p = kmemdup(&tbl->parms, sizeof(*p), GFP_KERNEL);

	if (p) {

		memcpy(p, &tbl->parms, sizeof(*p));

		p->tbl		  = tbl;

		atomic_set(&p->refcnt, 1);

		INIT_RCU_HEAD(&p->rcu_head);

			  int p_id, int pdev_id, char *p_name, 

			  proc_handler *handler, ctl_handler *strategy)

{

	struct neigh_sysctl_table *t = kmalloc(sizeof(*t), GFP_KERNEL);

	struct neigh_sysctl_table *t = kmemdup(&neigh_sysctl_template,

					       sizeof(*t), GFP_KERNEL);

	const char *dev_name_source = NULL;

	char *dev_name = NULL;

	int err = 0;

	if (!t)

		return -ENOBUFS;

	memcpy(t, &neigh_sysctl_template, sizeof(*t));

	t->neigh_vars[0].data  = &p->mcast_probes;

	t->neigh_vars[1].data  = &p->ucast_probes;

	t->neigh_vars[2].data  = &p->app_probes;