RE: [PATCH] mei: remove dev_err message on an unsupported ioctl
From: Winkler, Tomas
Date: Tue Feb 27 2018 - 16:44:53 EST
>
> On Tue, Feb 27, 2018 at 05:26:22PM +0000, 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.
> >
> > In any case it would be maybe better to change it a warn once call.
>
> Just drop the message, it should not be this easy for userspace to spam the
> kernel log. The patch looks fine to me.
>
Fair enough, add my ack too.
Still I'm curious if this comes from the field.
Thanks
Tomas