linux-kernel - Re: [PATCH v2 -next] power: supply: ab8500_fg: add missing destroy_workqueue in ab8500_fg

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Message-ID: <20220609191313.ck3ea4dvl7h4kqy3@mercury.elektranox.org>
Date:   Thu, 9 Jun 2022 21:13:13 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     gaochao <gaochao49@...wei.com>
Cc:     alexs@...nel.org, linus.walleij@...aro.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        zhengbin13@...wei.com
Subject: Re: [PATCH v2 -next] power: supply: ab8500_fg: add missing
 destroy_workqueue in ab8500_fg_probe

Hi,

On Wed, Jun 08, 2022 at 10:42:49AM +0800, gaochao wrote:
> From: Gao Chao <gaochao49@...wei.com>
> 
> In ab8500_fg_probe,  misses destroy_workqueue in error path,
> this patch fixes that.
> 
> Fixes: 010ddb813f35 ("power: supply: ab8500_fg: Allocate wq in probe")
> Signed-off-by: Gao Chao <gaochao49@...wei.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> 
> v1->v2: add Reviewed-by Linus Walleij
> ---

Thanks, queued to power-supply's fixes branch.
Next time please put the v1->v2 changelog below the --- line when
sending the patch.

-- Sebastian

>  drivers/power/supply/ab8500_fg.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/power/supply/ab8500_fg.c b/drivers/power/supply/ab8500_fg.c
> index ec8a404d71b4..4339fa9ff009 100644
> --- a/drivers/power/supply/ab8500_fg.c
> +++ b/drivers/power/supply/ab8500_fg.c
> @@ -3148,6 +3148,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  	ret = ab8500_fg_init_hw_registers(di);
>  	if (ret) {
>  		dev_err(dev, "failed to initialize registers\n");
> +		destroy_workqueue(di->fg_wq);
>  		return ret;
>  	}
> 
> @@ -3159,6 +3160,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  	di->fg_psy = devm_power_supply_register(dev, &ab8500_fg_desc, &psy_cfg);
>  	if (IS_ERR(di->fg_psy)) {
>  		dev_err(dev, "failed to register FG psy\n");
> +		destroy_workqueue(di->fg_wq);
>  		return PTR_ERR(di->fg_psy);
>  	}
> 
> @@ -3174,8 +3176,10 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  	/* Register primary interrupt handlers */
>  	for (i = 0; i < ARRAY_SIZE(ab8500_fg_irq); i++) {
>  		irq = platform_get_irq_byname(pdev, ab8500_fg_irq[i].name);
> -		if (irq < 0)
> +		if (irq < 0) {
> +			destroy_workqueue(di->fg_wq);
>  			return irq;
> +		}
> 
>  		ret = devm_request_threaded_irq(dev, irq, NULL,
>  				  ab8500_fg_irq[i].isr,
> @@ -3185,6 +3189,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  		if (ret != 0) {
>  			dev_err(dev, "failed to request %s IRQ %d: %d\n",
>  				ab8500_fg_irq[i].name, irq, ret);
> +			destroy_workqueue(di->fg_wq);
>  			return ret;
>  		}
>  		dev_dbg(dev, "Requested %s IRQ %d: %d\n",
> @@ -3200,6 +3205,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  	ret = ab8500_fg_sysfs_init(di);
>  	if (ret) {
>  		dev_err(dev, "failed to create sysfs entry\n");
> +		destroy_workqueue(di->fg_wq);
>  		return ret;
>  	}
> 
> @@ -3207,6 +3213,7 @@ static int ab8500_fg_probe(struct platform_device *pdev)
>  	if (ret) {
>  		dev_err(dev, "failed to create FG psy\n");
>  		ab8500_fg_sysfs_exit(di);
> +		destroy_workqueue(di->fg_wq);
>  		return ret;
>  	}
> 
> --
> 2.17.1
> 

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