static int opromnxtprop()

in char/openprom.c [147:175]

• 24 lines of code
• 7 McCabe index (conditional complexity)

static int opromnxtprop(void __user *argp, struct device_node *dp, struct openpromio *op, int bufsize)
{
	struct property *prop;
	int len;

	if (!dp)
		return copyout(argp, op, sizeof(int));
	if (op->oprom_array[0] == '\0') {
		prop = dp->properties;
		if (!prop)
			return copyout(argp, op, sizeof(int));
		len = strlen(prop->name);
	} else {
		prop = of_find_property(dp, op->oprom_array, NULL);

		if (!prop ||
		    !prop->next ||
		    (len = strlen(prop->next->name)) + 1 > bufsize)
			return copyout(argp, op, sizeof(int));

		prop = prop->next;
	}

	memcpy(op->oprom_array, prop->name, len);
	op->oprom_array[len] = '\0';
	op->oprom_size = ++len;

	return copyout(argp, op, sizeof(int) + bufsize);
}