linux-kernel - Re: [PATCHv3 3/9] extcon: max8997: Use devm_extcon_dev_allocate for extcon

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Date:	Thu, 24 Apr 2014 09:45:33 -0500
From:	Felipe Balbi <balbi@...com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
CC:	<linux-kernel@...r.kernel.org>, <myungjoo.ham@...sung.com>,
	<balbi@...com>, <gg@...mlogic.co.uk>, <kishon@...com>,
	<ckeepax@...nsource.wolfsonmicro.com>, <broonie@...nel.org>,
	<k.kozlowski@...sung.com>, <kyungmin.park@...sung.com>
Subject: Re: [PATCHv3 3/9] extcon: max8997: Use devm_extcon_dev_allocate for
 extcon_dev

On Thu, Apr 24, 2014 at 09:34:51PM +0900, Chanwoo Choi wrote:
> This patch use devm_extcon_dev_allocate() to simplify the memory control
> of extcon device.
> 
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> ---
>  drivers/extcon/extcon-max8997.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
> index 804a446..e2ee2f5 100644
> --- a/drivers/extcon/extcon-max8997.c
> +++ b/drivers/extcon/extcon-max8997.c
> @@ -699,8 +699,7 @@ static int max8997_muic_probe(struct platform_device *pdev)
>  	}
>  
>  	/* External connector */
> -	info->edev = devm_kzalloc(&pdev->dev, sizeof(struct extcon_dev),
> -				  GFP_KERNEL);
> +	info->edev = devm_extcon_dev_allocate(&pdev->dev, max8997_extcon_cable);
>  	if (!info->edev) {

and here you never check for IS_ERR(info->evdev)

NAK

I suspect all following patches have the same defect.

-- 
balbi

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