snd_xfern 2592 sound/core/pcm_native.c struct snd_xfern xfern; snd_xfern 2593 sound/core/pcm_native.c struct snd_xfern __user *_xfern = arg; snd_xfern 2674 sound/core/pcm_native.c struct snd_xfern xfern; snd_xfern 2675 sound/core/pcm_native.c struct snd_xfern __user *_xfern = arg;