RE: [PATCH] mei: remove dev_err message on an unsupported ioctl

[Winkler, Tomas]

> On 27/02/18 17:26, Winkler, Tomas wrote:
> >>
> >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >>
> >> Currently the driver spams the kernel log on unsupported ioctls which
> >> is unnecessary as the ioctl returns -ENOIOCTLCMD to indicate this
> anyway.
> >> I suspect this was originally for debugging purposes but it really is
> >> not required so remove it.
> >>
> >
> > This is rather strange as most of the legimit applications are using
> > one IOCTL from kernel 3.0 Do you have any reference where this call is
> originated from, frankly this is the first time I got such complain.
> 
> I hit this while stressing the kernel with my stress-ng kernel stressing tool;
> this was not using the legitimate ioctls (to see if things
> explode) and I got a rather full kernel log. So it was being abused somewhat
> ;-)

Okay, thanks for the info.