Too verbose compat_ioctl messages?

Andi Kleen andi at firstfloor.org
Sat Jul 7 05:04:56 EST 2007


On Fri, Jul 06, 2007 at 11:33:43AM -0700, Jeremy Fitzhardinge wrote:
> Andi Kleen wrote:
> >"H. Peter Anvin" <hpa at zytor.com> 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



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