static ssize_t device_add_store()

in siox-core.c [591:612]

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

static ssize_t device_add_store(struct device *dev,
				struct device_attribute *attr,
				const char *buf, size_t count)
{
	struct siox_master *smaster = to_siox_master(dev);
	int ret;
	char type[20] = "";
	size_t inbytes = 0, outbytes = 0;
	u8 statustype = 0;

	ret = sscanf(buf, "%19s %zu %zu %hhu", type, &inbytes,
		     &outbytes, &statustype);
	if (ret != 3 && ret != 4)
		return -EINVAL;

	if (strcmp(type, "siox-12x8") || inbytes != 2 || outbytes != 4)
		return -EINVAL;

	siox_device_add(smaster, "siox-12x8", inbytes, outbytes, statustype);

	return count;
}