lkml.org 
[lkml]   [2018]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRE: [PATCH] mei: remove dev_err message on an unsupported ioctl
Date
> 
> On Tue, Feb 27, 2018 at 09:44:41PM +0000, Winkler, Tomas wrote:
> > >
> > > On Tue, Feb 27, 2018 at 05:26:22PM +0000, Winkler, Tomas wrote:
> > > > >
> > > > > From: Colin Ian King <colin.king@canonical.com>
> > > > >
> > > > > 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.
>
> fuzzers are "in the field" :)

It's definitely fuzzers season.

Tomas

\
 
 \ /
  Last update: 2018-02-28 10:52    [W:0.068 / U:1.544 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site