Re: [PATCH] ASoC: fsl: Fix PM disable depth imbalance in fsl_easrc_probe

From: Shengjiu Wang
Date: Sun Oct 08 2023 - 05:38:13 EST


On Wed, Oct 4, 2023 at 3:12 PM Zhang Shurong <zhang_shurong@xxxxxxxxxxx> wrote:
>
> The pm_runtime_enable will increase power disable depth. Thus
> a pairing decrement is needed on the error handling path to
> keep it balanced according to context. We fix it by calling
> pm_runtime_disable when error returns.
>

Please add a Fixes tag.
Thanks.

Best regards
Wang Shengjiu

> Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx>
> ---
> sound/soc/fsl/fsl_easrc.c | 8 ++++++--
> 1 file changed, 6 insertions(+), 2 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
> index ba62995c909a..ec53bda46a46 100644
> --- a/sound/soc/fsl/fsl_easrc.c
> +++ b/sound/soc/fsl/fsl_easrc.c
> @@ -1966,17 +1966,21 @@ static int fsl_easrc_probe(struct platform_device *pdev)
> &fsl_easrc_dai, 1);
> if (ret) {
> dev_err(dev, "failed to register ASoC DAI\n");
> - return ret;
> + goto err_pm_disable;
> }
>
> ret = devm_snd_soc_register_component(dev, &fsl_asrc_component,
> NULL, 0);
> if (ret) {
> dev_err(&pdev->dev, "failed to register ASoC platform\n");
> - return ret;
> + goto err_pm_disable;
> }
>
> return 0;
> +
> +err_pm_disable:
> + pm_runtime_disable(&pdev->dev);
> + return ret;
> }
>
> static void fsl_easrc_remove(struct platform_device *pdev)
> --
> 2.30.2
>