static int ssip_xmit()

in clients/ssi_protocol.c [573:606]

• 29 lines of code
• 2 McCabe index (conditional complexity)

static int ssip_xmit(struct hsi_client *cl)
{
	struct ssi_protocol *ssi = hsi_client_drvdata(cl);
	struct hsi_msg *msg, *dmsg;
	struct sk_buff *skb;

	spin_lock_bh(&ssi->lock);
	if (list_empty(&ssi->txqueue)) {
		spin_unlock_bh(&ssi->lock);
		return 0;
	}
	dmsg = list_first_entry(&ssi->txqueue, struct hsi_msg, link);
	list_del(&dmsg->link);
	ssi->txqueue_len--;
	spin_unlock_bh(&ssi->lock);

	msg = ssip_claim_cmd(ssi);
	skb = dmsg->context;
	msg->context = dmsg;
	msg->complete = ssip_strans_complete;
	msg->destructor = ssip_free_strans;

	spin_lock_bh(&ssi->lock);
	ssip_set_cmd(msg, SSIP_START_TRANS_CMD(SSIP_BYTES_TO_FRAMES(skb->len),
								ssi->txid));
	ssi->txid++;
	ssip_set_txstate(ssi, SENDING);
	spin_unlock_bh(&ssi->lock);

	dev_dbg(&cl->device, "Send STRANS (%d frames)\n",
						SSIP_BYTES_TO_FRAMES(skb->len));

	return hsi_async_write(cl, msg);
}