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Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe()

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From Jon Hunter <jonathanh@nvidia.com>
Newsgroups linux.kernel
Subject Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe()
Date Mon, 03 Jul 2017 13:40:01 +0200
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On 30/06/17 08:22, Gustavo A. R. Silva wrote:
> Print and propagate the return value of platform_get_irq on failure.
> 
> Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
> ---
>  drivers/devfreq/tegra-devfreq.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/devfreq/tegra-devfreq.c b/drivers/devfreq/tegra-devfreq.c
> index 214fff9..ae71215 100644
> --- a/drivers/devfreq/tegra-devfreq.c
> +++ b/drivers/devfreq/tegra-devfreq.c
> @@ -688,9 +688,9 @@ static int tegra_devfreq_probe(struct platform_device *pdev)
>  	}
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq <= 0) {
> -		dev_err(&pdev->dev, "Failed to get IRQ\n");
> -		return -ENODEV;
> +	if (irq < 0) {

The changelog does not describe the above change and if/why this is ok.
However, the original test looks fine to me and so I don't see a need to
change this.

> +		dev_err(&pdev->dev, "Failed to get IRQ: %d\n", irq);
> +		return irq;

Why not have ...

		return irq ? irq : -ENODEV;

Cheers
Jon

-- 
nvpublic

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Thread

[PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() "Gustavo A. R. Silva" <garsilva@embeddedor.com> - 2017-06-30 09:30 +0200
  Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() Chanwoo Choi <cw00.choi@samsung.com> - 2017-06-30 10:10 +0200
    Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() MyungJoo Ham <myungjoo.ham@samsung.com> - 2017-07-01 09:50 +0200
  Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() Jon Hunter <jonathanh@nvidia.com> - 2017-07-03 13:40 +0200
    Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() "Gustavo A. R. Silva" <garsilva@embeddedor.com> - 2017-07-03 14:00 +0200
      Re: [PATCH] devfreq: tegra: fix error code in tegra_devfreq_probe() Jon Hunter <jonathanh@nvidia.com> - 2017-07-03 14:30 +0200
        [PATCH v2] devfreq: tegra: fix error return code in  tegra_devfreq_probe() "Gustavo A. R. Silva" <garsilva@embeddedor.com> - 2017-07-03 14:50 +0200
          Re: [PATCH v2] devfreq: tegra: fix error return code in  tegra_devfreq_probe() Jon Hunter <jonathanh@nvidia.com> - 2017-07-04 10:40 +0200
            Re: [PATCH v2] devfreq: tegra: fix error return code in  tegra_devfreq_probe() "Gustavo A. R. Silva" <garsilva@embeddedor.com> - 2017-07-17 07:00 +0200

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