Re: [PATCH 1/3] ti-soc-thermal: Use devm_kcalloc() in ti_bandgap_build()

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On Wednesday 26 April 2017 09:04 PM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Wed, 26 Apr 2017 16:45:25 +0200
> 
> A multiplication for the size determination of a memory allocation
> indicated that an array data structure should be processed.
> Thus use the corresponding function "devm_kcalloc".

Reviewed-by: Keerthy <j-keerthy@xxxxxx>

> 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  drivers/thermal/ti-soc-thermal/ti-bandgap.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> index ba9c302454fb..f19cb7612a65 100644
> --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
> @@ -1224,8 +1224,8 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev)
>  		bgp->conf = of_id->data;
>  
>  	/* register shadow for context save and restore */
> -	bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) *
> -				   bgp->conf->sensor_count, GFP_KERNEL);
> +	bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count,
> +				   sizeof(*bgp->regval), GFP_KERNEL);
>  	if (!bgp->regval) {
>  		dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n");
>  		return ERR_PTR(-ENOMEM);
> 
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