Re: [PATCH] pl061: Trivial fix for offset value range checking

From: Baruch Siach
Date: Wed Apr 07 2010 - 01:08:29 EST


Hi Axel,

On Tue, Apr 06, 2010 at 01:33:09PM +0800, Axel Lin wrote:
> The valid offset value is 0..PL061_GPIO_NR-1,
> this patch corrects the offset value range checking.
>
> Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>

Acked-by: Baruch Siach <baruch@xxxxxxxxxx>

Thanks.

baruch

> ---
> drivers/gpio/pl061.c | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
> index 5ad8f77..8e0906a 100644
> --- a/drivers/gpio/pl061.c
> +++ b/drivers/gpio/pl061.c
> @@ -158,7 +158,7 @@ static int pl061_irq_type(unsigned irq, unsigned trigger)
> unsigned long flags;
> u8 gpiois, gpioibe, gpioiev;
>
> - if (offset < 0 || offset > PL061_GPIO_NR)
> + if (offset < 0 || offset >= PL061_GPIO_NR)
> return -EINVAL;
>
> spin_lock_irqsave(&chip->irq_lock, flags);
> --
> 1.5.4.3

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