Re: [PATCH] ASoC: simple-card: Add a NULL pointer check in asoc_simple_card_dai_link_of

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Am 03.03.2015 14:29, schrieb Vishal Thanki:
> Make sure devm_kzalloc() succeeds.
> 
> Signed-off-by: Vishal Thanki <vishalthanki@xxxxxxxxx>
> ---
>  sound/soc/generic/simple-card.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
> index f7c6734..fb550b5 100644
> --- a/sound/soc/generic/simple-card.c
> +++ b/sound/soc/generic/simple-card.c
> @@ -372,6 +372,11 @@ static int asoc_simple_card_dai_link_of(struct device_node *node,
>  			    strlen(dai_link->cpu_dai_name)   +
>  			    strlen(dai_link->codec_dai_name) + 2,
>  			    GFP_KERNEL);
> +	if (!name) {
> +		ret = -ENOMEM;
> +		goto dai_link_of_err;
> +	}
> +
>  	sprintf(name, "%s-%s", dai_link->cpu_dai_name,
>  				dai_link->codec_dai_name);
>  	dai_link->name = dai_link->stream_name = name;


maybe it is more simple to use kasprintf here ?

just my 2 cents,
wh

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