Exemple #1
0
static void ipcomp6_destroy(struct xfrm_state *x)
{
	struct ipcomp_data *ipcd = x->data;
	if (!ipcd)
		return;
	ipcomp6_free_data(ipcd);
	kfree(ipcd);
}
Exemple #2
0
static void ipcomp6_destroy(struct xfrm_state *x)
{
	struct ipcomp_data *ipcd = x->data;
	if (!ipcd)
		return;
	xfrm_state_delete_tunnel(x);
	ipcomp6_free_data(ipcd);
	kfree(ipcd);

	xfrm6_tunnel_free_spi((xfrm_address_t *)&x->props.saddr);
}
Exemple #3
0
static int ipcomp6_init_state(struct xfrm_state *x, void *args)
{
	int err;
	struct ipcomp_data *ipcd;
	struct xfrm_algo_desc *calg_desc;

	err = -EINVAL;
	if (!x->calg)
		goto out;

	err = -ENOMEM;
	ipcd = kmalloc(sizeof(*ipcd), GFP_KERNEL);
	if (!ipcd)
		goto error;

	memset(ipcd, 0, sizeof(*ipcd));
	x->props.header_len = 0;
	if (x->props.mode)
		x->props.header_len += sizeof(struct ipv6hdr);
	
	ipcd->scratch = kmalloc(IPCOMP_SCRATCH_SIZE, GFP_KERNEL);
	if (!ipcd->scratch)
		goto error;

	ipcd->tfm = crypto_alloc_tfm(x->calg->alg_name, 0);
	if (!ipcd->tfm)
		goto error;

	if (x->props.mode) {
		err = ipcomp6_tunnel_attach(x);
		if (err)
			goto error;
	}

	calg_desc = xfrm_calg_get_byname(x->calg->alg_name);
	BUG_ON(!calg_desc);
	ipcd->threshold = calg_desc->uinfo.comp.threshold;
	x->data = ipcd;
	err = 0;
out:
	return err;
error:
	if (ipcd) {
		ipcomp6_free_data(ipcd);
		kfree(ipcd);
	}

	goto out;
}