Re: [PATCH] ASoC: stm32: sai: Add missing cleanup

[Olivier MOYSAN <olivier.moysan@st.com>]

On 4/5/20 5:03 PM, Julia Lawall wrote:
> The commit 0d6defc7e0e4 ("ASoC: stm32: sai: manage rebind issue")
> converts some function calls to their non-devm equivalents.  The
> appropriate cleanup code was added to the remove function, but not
> to the probe function.  Add a call to snd_dmaengine_pcm_unregister
> to compensate for the call to snd_dmaengine_pcm_register in case
> of subsequent failure.
>
> Fixes: commit 0d6defc7e0e4 ("ASoC: stm32: sai: manage rebind issue")
> Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
>
> ---
>
> Not tested.
>
>   sound/soc/stm/stm32_sai_sub.c |    4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
Hi Julia,
Thanks for the patch.

Acked-by: Olivier Moysan <olivier.moysan@st.com>
>
> diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
> index 2bd280c..0d0c9af 100644
> --- a/sound/soc/stm/stm32_sai_sub.c
> +++ b/sound/soc/stm/stm32_sai_sub.c
> @@ -1556,8 +1556,10 @@ static int stm32_sai_sub_probe(struct platform_device *pdev)
>   
>   	ret = snd_soc_register_component(&pdev->dev, &stm32_component,
>   					 &sai->cpu_dai_drv, 1);
> -	if (ret)
> +	if (ret) {
> +		snd_dmaengine_pcm_unregister(&pdev->dev);
>   		return ret;
> +	}
>   
>   	if (STM_SAI_PROTOCOL_IS_SPDIF(sai))
>   		conf = &stm32_sai_pcm_config_spdif;
>