linux-kernel - Re: [PATCH RFT] mfd: rc5t583: Fix array subscript is above array bounds

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Message-ID: <20121126105335.GP12685@sortiz-mobl>
Date:	Mon, 26 Nov 2012 11:53:35 +0100
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Axel Lin <axel.lin@...ics.com>
Cc:	Laxman Dewangan <ldewangan@...dia.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFT] mfd: rc5t583: Fix array subscript is above array
 bounds

Hi Axel,

On Tue, Nov 20, 2012 at 10:34:56AM +0800, Axel Lin wrote:
> I got below build warning while compiling this driver.
> It's obviously RC5T583_MAX_INTERRUPT_MASK_REGS is 9 but irq_en_add array only
> has 8 elements.
> 
>   CC      drivers/mfd/rc5t583-irq.o
> drivers/mfd/rc5t583-irq.c: In function 'rc5t583_irq_sync_unlock':
> drivers/mfd/rc5t583-irq.c:227: warning: array subscript is above array bounds
> drivers/mfd/rc5t583-irq.c: In function 'rc5t583_irq_init':
> drivers/mfd/rc5t583-irq.c:349: warning: array subscript is above array bounds
> 
> Since the number of interrupt enable registers is 8, this patch adds define for
> RC5T583_MAX_INTERRUPT_EN_REGS to fix this bug.
> 
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> ---
> Hi Laxman,
>   I don't have this hardware, I'd appreciate if you can review and test this patch.
> Thank you,
> Axel
>  drivers/mfd/rc5t583-irq.c   |    2 +-
>  include/linux/mfd/rc5t583.h |    3 ++-
>  2 files changed, 3 insertions(+), 2 deletions(-)
Applied, thanks.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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