Bluetooth: Add bt_skb_sendmmsg helper

	return skb;

}

/* Similar to bt_skb_sendmsg but can split the msg into multiple fragments

 * accourding to the MTU.

 */

static inline struct sk_buff *bt_skb_sendmmsg(struct sock *sk,

					      struct msghdr *msg,

					      size_t len, size_t mtu,

					      size_t headroom, size_t tailroom)

{

	struct sk_buff *skb, **frag;

	skb = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);

	if (IS_ERR_OR_NULL(skb))

		return skb;

	len -= skb->len;

	if (!len)

		return skb;

	/* Add remaining data over MTU as continuation fragments */

	frag = &skb_shinfo(skb)->frag_list;

	while (len) {

		struct sk_buff *tmp;

		tmp = bt_skb_sendmsg(sk, msg, len, mtu, headroom, tailroom);

		if (IS_ERR_OR_NULL(tmp)) {

			kfree_skb(skb);

			return tmp;

		}

		len -= tmp->len;

		*frag = tmp;

		frag = &(*frag)->next;

	}

	return skb;

}

int bt_to_errno(u16 code);

void hci_sock_set_flag(struct sock *sk, int nr);