Re: + sysctl-return-einval-if-val-violates-minmax.patch added to -mm tree

From: Christian Brauner
Date: Mon Feb 11 2019 - 16:19:26 EST


On Tue, Feb 12, 2019 at 12:17:16AM +0300, Alexey Dobriyan wrote:
> On Mon, Feb 11, 2019 at 01:06:32PM -0800, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
>
> > @@ -2848,8 +2848,10 @@ static int __do_proc_doulongvec_minmax(v
>
> > - if ((min && val < *min) || (max && val > *max))
> > - continue;
> > + if ((min && val < *min) || (max && val > *max)) {
> > + err = -EINVAL;
>
> I was asked to return ERANGE in kstrto*().

I think we discussed ERANGE vs EINVAL and decided EINVAL because there
was precedence for other sysctls already.