linux-kernel - Re: [PATCH 2/3] mfd: intel_soc_pmic: Do not mangle error code from devm_gpiod_get

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Date:	Mon, 16 Feb 2015 11:49:39 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Jarkko Nikula <jarkko.nikula@...ux.intel.com>
Cc:	linux-kernel@...r.kernel.org, Samuel Ortiz <sameo@...ux.intel.com>,
	lejun.zhu@...ux.intel.com, bin.yang@...el.com
Subject: Re: [PATCH 2/3] mfd: intel_soc_pmic: Do not mangle error code from
 devm_gpiod_get_index()

On Fri, 13 Feb 2015, Jarkko Nikula wrote:

> It is usually better to pass actual error code from a function call than
> mangling it to another.
> 
> Signed-off-by: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
> ---
> I haven't seen any issue with this. Random observation by looking at the code.
> ---
>  drivers/mfd/intel_soc_pmic_core.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

> diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
> index 08c8e3dafaf5..40488e5b52ef 100644
> --- a/drivers/mfd/intel_soc_pmic_core.c
> +++ b/drivers/mfd/intel_soc_pmic_core.c
> @@ -33,7 +33,7 @@ static int intel_soc_pmic_find_gpio_irq(struct device *dev)
>  
>  	desc = devm_gpiod_get_index(dev, "intel_soc_pmic", 0);
>  	if (IS_ERR(desc))
> -		return -ENOENT;
> +		return PTR_ERR(desc);
>  
>  	irq = gpiod_to_irq(desc);
>  	if (irq < 0)

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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