ymfpci_pcm_t *ypcm = runtime->private_data;  kfree(ypcm);
kfree(runtime->private_data);
static void snd_ymfpci_pcm_free_substream(snd_pcm_runtime_t *runtime){	ymfpci_pcm_t *ypcm = runtime->private_data;		kfree(ypcm);}