linux-kernel - Re: [PATCH] pinctrl: vt8500: wmt: Fix checking return value of pinctrl

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Date:	Wed, 10 Apr 2013 07:30:36 +1200
From:	Tony Prisk <linux@...sktech.co.nz>
To:	Axel Lin <axel.lin@...ics.com>
CC:	Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] pinctrl: vt8500: wmt: Fix checking return value of pinctrl_register()

On 10/04/13 03:59, Axel Lin wrote:
> pinctrl_register() returns NULL on error.
>
> Signed-off-by: Axel Lin <axel.lin@...ics.com>
> ---
>   drivers/pinctrl/vt8500/pinctrl-wmt.c |    2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c
> index 14400a7..ab63104e 100644
> --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c
> +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c
> @@ -588,7 +588,7 @@ int wmt_pinctrl_probe(struct platform_device *pdev,
>   	data->dev = &pdev->dev;
>   
>   	data->pctl_dev = pinctrl_register(&wmt_desc, &pdev->dev, data);
> -	if (IS_ERR(data->pctl_dev)) {
> +	if (!data->pctl_dev) {
>   		dev_err(&pdev->dev, "Failed to register pinctrl\n");
>   		return -EINVAL;
>   	}
Not sure why I missed this...

Linus,
If you're happy with this patch, I'll forward it on to arm-soc to go in 
with the rest.

Regards
Tony P
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