static int _read_bw()

in of.c [727:766]

• 34 lines of code
• 8 McCabe index (conditional complexity)

static int _read_bw(struct dev_pm_opp *new_opp, struct opp_table *table,
		    struct device_node *np, bool peak)
{
	const char *name = peak ? "opp-peak-kBps" : "opp-avg-kBps";
	struct property *prop;
	int i, count, ret;
	u32 *bw;

	prop = of_find_property(np, name, NULL);
	if (!prop)
		return -ENODEV;

	count = prop->length / sizeof(u32);
	if (table->path_count != count) {
		pr_err("%s: Mismatch between %s and paths (%d %d)\n",
				__func__, name, count, table->path_count);
		return -EINVAL;
	}

	bw = kmalloc_array(count, sizeof(*bw), GFP_KERNEL);
	if (!bw)
		return -ENOMEM;

	ret = of_property_read_u32_array(np, name, bw, count);
	if (ret) {
		pr_err("%s: Error parsing %s: %d\n", __func__, name, ret);
		goto out;
	}

	for (i = 0; i < count; i++) {
		if (peak)
			new_opp->bandwidth[i].peak = kBps_to_icc(bw[i]);
		else
			new_opp->bandwidth[i].avg = kBps_to_icc(bw[i]);
	}

out:
	kfree(bw);
	return ret;
}