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-rw-r--r--sound/firewire/fireworks/fireworks_midi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/firewire/fireworks/fireworks_midi.c b/sound/firewire/fireworks/fireworks_midi.c
index 6d3d942e2dce..fd17777981e4 100644
--- a/sound/firewire/fireworks/fireworks_midi.c
+++ b/sound/firewire/fireworks/fireworks_midi.c
@@ -22,6 +22,8 @@ static int midi_open(struct snd_rawmidi_substream *substream)
if (err >= 0) {
++efw->substreams_counter;
err = snd_efw_stream_start_duplex(efw);
+ if (err < 0)
+ --efw->substreams_counter;
}
mutex_unlock(&efw->mutex);
if (err < 0)