static int opiocset()

in char/openprom.c [463:493]

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

static int opiocset(void __user *argp, DATA *data)
{
	struct opiocdesc op;
	struct device_node *dp;
	char *str, *tmp;
	int err;

	if (copy_from_user(&op, argp, sizeof(op)))
		return -EFAULT;

	dp = get_node(op.op_nodeid, data);
	if (!dp)
		return -EINVAL;

	str = copyin_string(op.op_name, op.op_namelen);
	if (IS_ERR(str))
		return PTR_ERR(str);

	tmp = copyin_string(op.op_buf, op.op_buflen);
	if (IS_ERR(tmp)) {
		kfree(str);
		return PTR_ERR(tmp);
	}

	err = of_set_property(dp, str, tmp, op.op_buflen);

	kfree(str);
	kfree(tmp);

	return err;
}