[alsa-devel] [PATCH] ASoC: sgtl5000: Use devm_ functions

[Mark Brown]

On Sun, Jul 06, 2014 at 12:38:00PM +0530, Himangi Saraogi wrote:

> diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
> index 249fadb..0efd6d6 100644
> --- a/sound/soc/codecs/sgtl5000.c
> +++ b/sound/soc/codecs/sgtl5000.c
> @@ -841,14 +841,15 @@ static int ldo_regulator_register(struct snd_soc_codec *codec,
>  	struct sgtl5000_priv *sgtl5000 = snd_soc_codec_get_drvdata(codec);
>  	struct regulator_config config = { };
>  
> -	ldo = kzalloc(sizeof(struct ldo_regulator), GFP_KERNEL);
> +	ldo = devm_kzalloc(codec->dev, sizeof(struct ldo_regulator),
> +			   GFP_KERNEL);

You're using the managed functions within the ASoC level probe functions
which doesn't work - devm_ is only usable as part of the driver model
binding and unbinding.  All this resource allocation needs to be moved
into the device level probe (which is a better thing anyway) before it
is converted to devm.
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