snd_rawmidi_ioctl_compat 1443 sound/core/rawmidi.c #define snd_rawmidi_ioctl_compat NULL snd_rawmidi_ioctl_compat 142 sound/core/rawmidi_compat.c static long snd_rawmidi_ioctl_compat(struct file *file, unsigned int cmd, unsigned long arg)