Re: Too verbose compat_ioctl messages?

From: Andi Kleen
Date: Fri Jul 06 2007 - 15:05:22 EST


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