snd_rawmidi_kernel_release
int snd_rawmidi_kernel_release(struct snd_rawmidi_file *rfile);
EXPORT_SYMBOL(snd_rawmidi_kernel_release);
snd_rawmidi_kernel_release(&msynth->input_rfile);
err = snd_rawmidi_kernel_release(&msynth->input_rfile);
snd_rawmidi_kernel_release(&rfile);
return snd_rawmidi_kernel_release(&rfile);
snd_rawmidi_kernel_release(&rfile);
snd_rawmidi_kernel_release(&ump->legacy_out_rfile);
snd_rawmidi_kernel_release(&ump->stream_rfile);