Re: [PATCH] PM: AVS: qcom-cpr: Fix an error handling path in cpr_probe()

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On Sat, 17 Dec 2022 at 17:05, Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> If an error occurs after a successful pm_genpd_init() call, it should be
> undone by a corresponding pm_genpd_remove().
>
> Add the missing call in the error handling path, as already done in the
> remove function.
>
> Fixes: bf6910abf548 ("power: avs: Add support for CPR (Core Power Reduction)")
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>

Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>

Kind regards
Uffe

> ---
>  drivers/soc/qcom/cpr.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/soc/qcom/cpr.c b/drivers/soc/qcom/cpr.c
> index e9b854ed1bdf..144ea68e0920 100644
> --- a/drivers/soc/qcom/cpr.c
> +++ b/drivers/soc/qcom/cpr.c
> @@ -1708,12 +1708,16 @@ static int cpr_probe(struct platform_device *pdev)
>
>         ret = of_genpd_add_provider_simple(dev->of_node, &drv->pd);
>         if (ret)
> -               return ret;
> +               goto err_remove_genpd;
>
>         platform_set_drvdata(pdev, drv);
>         cpr_debugfs_init(drv);
>
>         return 0;
> +
> +err_remove_genpd:
> +       pm_genpd_remove(&drv->pd);
> +       return ret;
>  }
>
>  static int cpr_remove(struct platform_device *pdev)
> --
> 2.34.1
>



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