Hello,
On Wed, Apr 22, 2015 at 02:55:06PM -0700, Luis R. Rodriguez wrote:
> +int param_set_bool_enable_only(const char *val, const struct kernel_param *kp)
> +{
> + int err = 0;
> + bool new_value;
> + bool orig_value = *(bool *)kp->arg;
> + struct kernel_param dummy_kp = *kp;
> +
> + dummy_kp.arg = &new_value;
> +
> + err = param_set_bool(val, &dummy_kp);
> + if (err)
> + return err;
> +
> + /* Don't let them unset it once it's set! */
> + if (!new_value && orig_value)
> + return -EROFS;
I know that this was moved from another place but as we're making it
generic now I'm a bit curious about -EROFS. Wouldn't -EINVAL be a
more conventional choice here?
Thanks.
--
tejun
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