static void esp_output_done(struct crypto_async_request *base, int err)
{
	struct sk_buff *skb = base->data;
	struct xfrm_offload *xo = xfrm_offload(skb);
	void *tmp;
	struct xfrm_state *x;

	if (xo && (xo->flags & XFRM_DEV_RESUME)) {
		struct sec_path *sp = skb_sec_path(skb);

		x = sp->xvec[sp->len - 1];
	} else {
		x = skb_dst(skb)->xfrm;
	}

	tmp = ESP_SKB_CB(skb)->tmp;
	esp_ssg_unref(x, tmp);
	kfree(tmp);

	esp_output_encap_csum(skb);

	if (xo && (xo->flags & XFRM_DEV_RESUME)) {
		if (err) {
			XFRM_INC_STATS(xs_net(x), LINUX_MIB_XFRMOUTSTATEPROTOERROR);
			kfree_skb(skb);
			return;
		}

		skb_push(skb, skb->data - skb_mac_header(skb));
		secpath_reset(skb);
		xfrm_dev_resume(skb);
	} else {
		if (!err &&
		    x->encap && x->encap->encap_type == TCP_ENCAP_ESPINTCP)
			esp_output_tail_tcp(x, skb);
		else
			xfrm_output_resume(skb->sk, skb, err);
	}
}