Re: [PATCH] ASoC: msm8916-wcd-digital: Fix missing clk_disable_unprepare() in msm8916_wcd_digital_probe

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Hi,

Yes, I agree with you. We should check the error code of
devm_snd_soc_register_component() and do corresponding
handling.

Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> 于2022年4月3日周日 13:51写道:

> Le 07/03/2022 à 09:45, Miaoqian Lin a écrit :
> > Fix the missing clk_disable_unprepare() before return
> > from msm8916_wcd_digital_probe in the error handling case.
> >
> > Fixes: 150db8c5afa1 ("ASoC: codecs: Add msm8916-wcd digital codec")
> > Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
> > ---
> >   sound/soc/codecs/msm8916-wcd-digital.c | 5 ++++-
> >   1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/sound/soc/codecs/msm8916-wcd-digital.c
> b/sound/soc/codecs/msm8916-wcd-digital.c
> > index fcc10c8bc625..9ad7fc0baf07 100644
> > --- a/sound/soc/codecs/msm8916-wcd-digital.c
> > +++ b/sound/soc/codecs/msm8916-wcd-digital.c
> > @@ -1201,7 +1201,7 @@ static int msm8916_wcd_digital_probe(struct
> platform_device *pdev)
> >       ret = clk_prepare_enable(priv->mclk);
> >       if (ret < 0) {
> >               dev_err(dev, "failed to enable mclk %d\n", ret);
> > -             return ret;
> > +             goto err_clk;
> >       }
> >
> >       dev_set_drvdata(dev, priv);
> > @@ -1209,6 +1209,9 @@ static int msm8916_wcd_digital_probe(struct
> platform_device *pdev)
> >       return devm_snd_soc_register_component(dev, &msm8916_wcd_digital,
> >                                     msm8916_wcd_digital_dai,
> >                                     ARRAY_SIZE(msm8916_wcd_digital_dai));
> > +err_clk:
> > +     clk_disable_unprepare(priv->ahbclk);
> > +     return ret;
> >   }
> >
> >   static int msm8916_wcd_digital_remove(struct platform_device *pdev)
>
> Hi,
> I think that the same should be done for 'priv->mclk' if
> devm_snd_soc_register_component() returns an error.
>
> Can you give it a look?
>
> CJ
>




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