static void ssip_pn_rx()

in clients/ssi_protocol.c [609:638]

• 26 lines of code
• 3 McCabe index (conditional complexity)

static void ssip_pn_rx(struct sk_buff *skb)
{
	struct net_device *dev = skb->dev;

	if (unlikely(!netif_running(dev))) {
		dev_dbg(&dev->dev, "Drop RX packet\n");
		dev->stats.rx_dropped++;
		dev_kfree_skb(skb);
		return;
	}
	if (unlikely(!pskb_may_pull(skb, SSIP_MIN_PN_HDR))) {
		dev_dbg(&dev->dev, "Error drop RX packet\n");
		dev->stats.rx_errors++;
		dev->stats.rx_length_errors++;
		dev_kfree_skb(skb);
		return;
	}
	dev->stats.rx_packets++;
	dev->stats.rx_bytes += skb->len;

	/* length field is exchanged in network byte order */
	((u16 *)skb->data)[2] = ntohs(((u16 *)skb->data)[2]);
	dev_dbg(&dev->dev, "RX length fixed (%04x -> %u)\n",
			((u16 *)skb->data)[2], ntohs(((u16 *)skb->data)[2]));

	skb->protocol = htons(ETH_P_PHONET);
	skb_reset_mac_header(skb);
	__skb_pull(skb, 1);
	netif_rx(skb);
}