snd_pcm_oss_ioctl_compat 2717 sound/core/oss/pcm_oss.c static long snd_pcm_oss_ioctl_compat(struct file *file, unsigned int cmd, snd_pcm_oss_ioctl_compat 2723 sound/core/oss/pcm_oss.c #define snd_pcm_oss_ioctl_compat NULL