Pointer 'priv' is assigned and not used, removing this allows
the removal of pointer 'rtd'.
Cleans up clang warning:
warning: variable 'priv' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 static void stm32_adfsdm_pcm_free(struct snd_pcm *pcm)
 {
        struct snd_pcm_substream *substream;
-       struct snd_soc_pcm_runtime *rtd;
-       struct stm32_adfsdm_priv *priv;
 
        substream = pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream;
-       if (substream) {
-               rtd = substream->private_data;
-               priv = snd_soc_dai_get_drvdata(rtd->cpu_dai);
-
+       if (substream)
                snd_pcm_lib_preallocate_free_for_all(pcm);
-       }
 }
 
 static struct snd_soc_component_driver stm32_adfsdm_soc_platform = {