static void setup_etheraddr()

in platforms/iss/network.c [125:157]

• 30 lines of code
• 6 McCabe index (conditional complexity)

static void setup_etheraddr(struct net_device *dev, char *str)
{
	u8 addr[ETH_ALEN];

	if (str == NULL)
		goto random;

	if (!mac_pton(str, addr)) {
		pr_err("%s: failed to parse '%s' as an ethernet address\n",
		       dev->name, str);
		goto random;
	}
	if (is_multicast_ether_addr(addr)) {
		pr_err("%s: attempt to assign a multicast ethernet address\n",
		       dev->name);
		goto random;
	}
	if (!is_valid_ether_addr(addr)) {
		pr_err("%s: attempt to assign an invalid ethernet address\n",
		       dev->name);
		goto random;
	}
	if (!is_local_ether_addr(addr))
		pr_warn("%s: assigning a globally valid ethernet address\n",
			dev->name);
	eth_hw_addr_set(dev, addr);
	return;

random:
	pr_info("%s: choosing a random ethernet address\n",
		dev->name);
	eth_hw_addr_random(dev);
}