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Using the error return code documented in the comment.

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Though there is no direct midi_uninit() caller amongst existing drivers
at this moment, a quick experiment indicates that EBUSY gives users more
precise error message once drivers start to honour this result.  For example,
emu_midi_detach() should check the result of mpu401_uninit() and block
module unloading if there is any MIDI I/O in progress.

MFC after:	2 weeks
This commit is contained in:
Tai-hwa Liang 2015-08-18 13:16:06 +00:00
parent 7cbd5add2f
commit 076cf2dd66
1 changed files with 1 additions and 1 deletions
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2
sys/dev/sound/midi/midi.c
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@ -403,7 +403,7 @@ midi_uninit(struct snd_midi *m)
{
int err;
err = ENXIO;
err = EBUSY;
mtx_lock(&midistat_lock);
mtx_lock(&m->lock);
if (m->busy) {