static void esp6_destroy(struct xfrm_state *x)
{
	struct crypto_aead *aead = x->data;

	if (!aead)
		return;

	crypto_free_aead(aead);
}
static void esp6_destroy(struct xfrm_state *x)
{
	struct crypto_aead *aead = x->data;

	if (!aead)
		return;

	crypto_free_aead(aead);
}