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-rw-r--r--sound/drivers/opl3/opl3_midi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c
index 0c796bcbc0a3..6c6d09a51f42 100644
--- a/sound/drivers/opl3/opl3_midi.c
+++ b/sound/drivers/opl3/opl3_midi.c
@@ -390,6 +390,11 @@ void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan)
voice = snd_opl3_oss_map[chan->number];
}
+ if (voice < 0) {
+ spin_unlock_irqrestore(&opl3->voice_lock, flags);
+ return;
+ }
+
if (voice < MAX_OPL2_VOICES) {
/* Left register block for voices 0 .. 8 */
reg_side = OPL3_LEFT;