static int xfrm_send_acquire(struct xfrm_state *x, struct xfrm_tmpl *xt,
			     struct xfrm_policy *xp)
{
	struct net *net = xs_net(x);
	struct sk_buff *skb;
	int err;

	skb = nlmsg_new(xfrm_acquire_msgsize(x, xp), GFP_ATOMIC);
	if (skb == NULL)
		return -ENOMEM;

	err = build_acquire(skb, x, xt, xp);
	BUG_ON(err < 0);

	return xfrm_nlmsg_multicast(net, skb, 0, XFRMNLGRP_ACQUIRE);
}
Unknown