linux-kernel - Re: [PATCH] tps65218.c: fix IRQ resource leak in tps65218

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Date:   Fri, 14 Dec 2018 12:25:59 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Christian Hohnstaedt <Christian.Hohnstaedt@...o.com>
Cc:     "J, KEERTHY" <j-keerthy@...com>, linux-kernel@...r.kernel.org,
        linux-omap@...r.kernel.org
Subject: Re: [PATCH] tps65218.c: fix IRQ resource leak in tps65218_probe()

On Thu, 06 Dec 2018, Christian Hohnstaedt wrote:

> Free allocated IRQ if reading the device ID fails.

The patch is fine.  However, in future please submit patches using the
format set (by precedent) by the subsystem.  I will fix the subject
for you this time.

To check the format, you can do:

  `git log --oneline -- <subsystem>`


> Signed-off-by: Christian Hohnstaedt <Christian.Hohnstaedt@...o.com>
> ---
>  drivers/mfd/tps65218.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mfd/tps65218.c b/drivers/mfd/tps65218.c
> index 910f569..19270bc 100644
> --- a/drivers/mfd/tps65218.c
> +++ b/drivers/mfd/tps65218.c
> @@ -244,7 +244,7 @@ static int tps65218_probe(struct i2c_client *client,
>  	ret = regmap_read(tps->regmap, TPS65218_REG_CHIPID, &chipid);
>  	if (ret) {
>  		dev_err(tps->dev, "Failed to read chipid: %d\n", ret);
> -		return ret;
> +		goto err_irq;
>  	}
>  
>  	tps->rev = chipid & TPS65218_CHIPID_REV_MASK;

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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