[alsa-devel] [PATCH v2 4/5] soundwire: intel: add sdw_stream_setup helper for .startup callback

[Vinod Koul]

On 14-01-20, 17:42, Pierre-Louis Bossart wrote:
> From: Rander Wang <rander.wang at linux.intel.com>
> 
> The sdw stream is allocated and stored in dai to share the sdw runtime
> information.
> 
> Signed-off-by: Rander Wang <rander.wang at linux.intel.com>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
> ---
>  drivers/soundwire/intel.c | 64 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 64 insertions(+)
> 
> diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c
> index 999aa2cd9fea..c498812522ab 100644
> --- a/drivers/soundwire/intel.c
> +++ b/drivers/soundwire/intel.c
> @@ -617,6 +617,68 @@ static int intel_post_bank_switch(struct sdw_bus *bus)
>   * DAI routines
>   */
>  
> +static int sdw_stream_setup(struct snd_pcm_substream *substream,
> +			    struct snd_soc_dai *dai)
> +{
> +	struct snd_soc_pcm_runtime *rtd = substream->private_data;
> +	struct sdw_stream_runtime *sdw_stream = NULL;
> +	char *name;
> +	int i, ret;
> +
> +	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
> +		name = kasprintf(GFP_KERNEL, "%s-Playback", dai->name);
> +	else
> +		name = kasprintf(GFP_KERNEL, "%s-Capture", dai->name);

I don't see name being feed on success. It is nicely freed on error but on
success it should be freed when you close

-- 
~Vinod