[ALSA] Fix missing spin_unlock

au88x0 driver,Common EMU synth
Fixed missing spin_unlock.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/sound/pci/au88x0/au88x0_pcm.c b/sound/pci/au88x0/au88x0_pcm.c
index de95bd6d1ee1..38bd2b5dd434 100644
--- a/sound/pci/au88x0/au88x0_pcm.c
+++ b/sound/pci/au88x0/au88x0_pcm.c
@@ -220,8 +220,10 @@ snd_vortex_pcm_hw_params(snd_pcm_substream_t * substream,
                     vortex_adb_allocroute(chip, -1,
                                           params_channels(hw_params),
                                           substream->stream, type);
-                if (dma < 0)
+                if (dma < 0) {
+                        spin_unlock_irq(&chip->lock);
                         return dma;
+                }
                 stream = substream->runtime->private_data = &chip->dma_adb[dma];
                 stream->substream = substream;
                 /* Setup Buffers. */