1 files changed, 7 insertions, 3 deletions
diff --git a/sound/firewire/dice/dice-midi.c b/sound/firewire/dice/dice-midi.c
index 84eca8a51a02..6172dad87c4e 100644
--- a/sound/firewire/dice/dice-midi.c
+++ b/sound/firewire/dice/dice-midi.c
@@ -18,8 +18,11 @@ static int midi_open(struct snd_rawmidi_substream *substream)
 
 	mutex_lock(&dice->mutex);
 
-	dice->substreams_counter++;
-	err = snd_dice_stream_start_duplex(dice, 0);
+	err = snd_dice_stream_reserve_duplex(dice, 0);
+	if (err >= 0) {
+		++dice->substreams_counter;
+		err = snd_dice_stream_start_duplex(dice);
+	}
 
 	mutex_unlock(&dice->mutex);
 
@@ -35,8 +38,9 @@ static int midi_close(struct snd_rawmidi_substream *substream)
 
 	mutex_lock(&dice->mutex);
 
-	dice->substreams_counter--;
+	--dice->substreams_counter;
 	snd_dice_stream_stop_duplex(dice);
+	snd_dice_stream_release_duplex(dice);
 
 	mutex_unlock(&dice->mutex);