linux-kernel - Re: [PATCH] tty: fix vt_compat

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Date:	Tue, 29 Sep 2009 14:49:46 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Andreas Schwab <schwab@...ux-m68k.org>
Cc:	Greg KH <gregkh@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tty: fix vt_compat_ioctl

On Monday 28 September 2009, Andreas Schwab wrote:
> Greg KH <gregkh@...e.de> writes:
> 
> > On Mon, Sep 28, 2009 at 08:10:02PM +0200, Andreas Schwab wrote:
> >> Call compat_unimap_ioctl, not do_unimap_ioctl.
> >
> > That's a nice description of what the patch does, but why do we need to
> > do that?
> 
> It's a compat ioctl handler, so lets call the compat ioctl handler.
> 

My bad, sorry.

I broke it in e9216651 evidently, thanks for debugging this.

The compat_unimap_ioctl was originally called do_unimap_ioctl in
fs/compat_ioctl.h which got moved to drivers/char/vt_ioctl.c.
In that patch, the caller was not updated and consequently called
the native handler.

Acked-by: Arnd Bergmann <arnd@...db.de>

	Arnd <><
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