linux-kernel - Re: [patch 04/33] m68k: Atari keyboard and mouse support.

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Message-ID: <Pine.LNX.4.58.0705041222080.13799@xplor.biophys.uni-duesseldorf.de>
Date:	Fri, 4 May 2007 12:25:53 +0200 (CEST)
From:	Michael Schmitz <schmitz@...l.biophys.uni-duesseldorf.de>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
cc:	Michael Schmitz <schmitz@...l.biophys.uni-duesseldorf.de>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-m68k@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michael Schmitz <schmitz@...ian.org>,
	Roman Zippel <zippel@...ux-m68k.org>
Subject: Re: [patch 04/33] m68k: Atari keyboard and mouse support.

> > > > +       // need to init core driver if not already done so
> > > > +       if (atari_keyb_init())
> > >
> > > Memory leak
> >
> > How so? If the core has been initialized already this will just return ...
> >
>
> You just allocated atakbd_dev. If atari_keyb_init() fails you leak it.

I see. Won't probably happen, but there's no reason to take a risk.

> > > It looks like this driver is not using standard input event codes. If
> > > Roman does not want to adjust keymaps on Amiga and Atari that should
> > > be handled in legacy keyboard driver (drivers/char/keyboard.c). As it
> > > is programs using /dev/input/eventX have no chance of working.
> >
> > The translation map should not have been overwritten like above, is that
> > what you mean?
> > My original patch didn't have that bit; scancodes were translated to
> > input keycodes using atakbd_keycode[scancode] instead. I'll have that
> > reverted...
> >
>
> Does KEY_1 actually  maps to scancode 2 on atari?

It sure does. For most of the keys, the identity mapping is in fact OK.
There's a lot of keys where this breaks, though. Plus the notorious
scancode 0 :-)

	Michael
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