linux-kernel - Re: [PATCH RESEND] regulator: max8998 - fix memory allocation size for max8998->rdev

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Date:	Thu, 19 Aug 2010 11:30:59 +0900
From:	Kyungmin Park <kmpark@...radead.org>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Liam Girdwood <lrg@...mlogic.co.uk>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH RESEND] regulator: max8998 - fix memory allocation size
 for max8998->rdev

Acked-by: Kyungmin Park <kyungmin.park@...sung.com>

On Thu, Aug 19, 2010 at 11:29 AM, Axel Lin <axel.lin@...il.com> wrote:
> We only use max8998->rdev[0] .. max8998->rdev[pdata->num_regulators-1],
> max8998->rdev[pdata->num_regulators] is not used.
> Thus fix the memory allocation size.
>
> Signed-off-by: Axel Lin <axel.lin@...il.com>
> Acked-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
> ---
> Looks like this patch is missing. So here is a resend for Liam.
>
>  drivers/regulator/max8998.c |    6 +++---
>  1 files changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c
> index ab67298..fbcb385 100644
> --- a/drivers/regulator/max8998.c
> +++ b/drivers/regulator/max8998.c
> @@ -549,7 +549,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
>        if (!max8998)
>                return -ENOMEM;
>
> -       size = sizeof(struct regulator_dev *) * (pdata->num_regulators + 1);
> +       size = sizeof(struct regulator_dev *) * pdata->num_regulators;
>        max8998->rdev = kzalloc(size, GFP_KERNEL);
>        if (!max8998->rdev) {
>                kfree(max8998);
> @@ -583,7 +583,7 @@ static __devinit int max8998_pmic_probe(struct platform_device *pdev)
>
>        return 0;
>  err:
> -       for (i = 0; i <= max8998->num_regulators; i++)
> +       for (i = 0; i < max8998->num_regulators; i++)
>                if (rdev[i])
>                        regulator_unregister(rdev[i]);
>
> @@ -599,7 +599,7 @@ static int __devexit max8998_pmic_remove(struct platform_device *pdev)
>        struct regulator_dev **rdev = max8998->rdev;
>        int i;
>
> -       for (i = 0; i <= max8998->num_regulators; i++)
> +       for (i = 0; i < max8998->num_regulators; i++)
>                if (rdev[i])
>                        regulator_unregister(rdev[i]);
>
> --
> 1.7.2
>
>
>
> --
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