Subject: Re: Too verbose compat_ioctl messages?

From: Andi Kleen <[email-masked]>
Date: Fri, 6 Jul 2007 21:04:56 +0200

On Fri, Jul 06, 2007 at 11:33:43AM -0700, Jeremy Fitzhardinge wrote:
> Andi Kleen wrote:
> >"H. Peter Anvin" <[email-masked]> writes:
> >  
> >>For one thing, it looks like we're returning the wrong thing (EINVAL
> >>rather than ENOTTY) across the board.  This was unfortunately a common
> >>misunderstanding with non-tty-related ioctls in the early days of Linux.
> >>    
> >
> >ENOTTY is so excessively misnamed that it is actually surprising
> >anybody ever got that "right" (for very small values of right i guess)
> >  
> 
> But it *isn't* a typewriter. 

Most ioctls are not related to ttys in any way.

-Andi