linux-kernel - Re: [PATCH] lm8333: Fix check ordering

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Message-ID: <alpine.LNX.2.00.1207042344570.17304@pobox.suse.cz>
Date:	Wed, 4 Jul 2012 23:45:17 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Alan Cox <alan@...rguk.ukuu.org.uk>, linux-input@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] lm8333: Fix check ordering

On Wed, 4 Jul 2012, Dmitry Torokhov wrote:

> > From: Alan Cox <alan@...ux.intel.com>
> > 
> > Fix harmless reference off end of array
> > 
> > Reported-by: <dcb314@...mail.com>
> > Resolves-bug: https://bugzilla.kernel.org/show_bug.cgi?43861
> > Signed-off-by: Alan Cox <alan@...ux.intel.com>
> > ---
> > 
> >  drivers/input/keyboard/lm8333.c |    2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/input/keyboard/lm8333.c b/drivers/input/keyboard/lm8333.c
> > index ca168a6..081fd9e 100644
> > --- a/drivers/input/keyboard/lm8333.c
> > +++ b/drivers/input/keyboard/lm8333.c
> > @@ -91,7 +91,7 @@ static void lm8333_key_handler(struct lm8333 *lm8333)
> >  		return;
> >  	}
> >  
> > -	for (i = 0; keys[i] && i < LM8333_FIFO_TRANSFER_SIZE; i++) {
> > +	for (i = 0; i < LM8333_FIFO_TRANSFER_SIZE && keys[i]; i++) {
> >  		pressed = keys[i] & 0x80;
> >  		code = keys[i] & 0x7f;
> >  
> > 
> 
> I believe Jiri has already queued this through trivial tree...

Yup, it's in -next as 954bd6d1c. Thanks,

-- 
Jiri Kosina
SUSE Labs
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