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D45770.id140342.diff
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diff --git a/sys/dev/sound/midi/sequencer.c b/sys/dev/sound/midi/sequencer.c
--- a/sys/dev/sound/midi/sequencer.c
+++ b/sys/dev/sound/midi/sequencer.c
@@ -768,14 +768,18 @@
* Enumerate the available midi devices
*/
scp->midi_number = 0;
+ mtx_unlock(&scp->seq_lock);
scp->maxunits = midimapper_open(scp->mapper, &scp->mapper_cookie);
+ mtx_lock(&scp->seq_lock);
if (scp->maxunits == 0)
SEQ_DEBUG(2, printf("seq_open: no midi devices\n"));
for (i = 0; i < scp->maxunits; i++) {
+ mtx_unlock(&scp->seq_lock);
scp->midis[scp->midi_number] =
midimapper_fetch_synth(scp->mapper, scp->mapper_cookie, i);
+ mtx_lock(&scp->seq_lock);
if (scp->midis[scp->midi_number]) {
if (SYNTH_OPEN(scp->midis[scp->midi_number], scp,
scp->fflags) != 0)
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D45770.id140342.diff (777 B)
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D45770: sound: Fix lock order reversals in mseq_open()
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