ASoC: Intel: fix missing mutex

on error in block prepare, we were returning the error code while still
holding the mutex. We are releasing the mutex in this patch before
return.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/sound/soc/intel/sst-firmware.c b/sound/soc/intel/sst-firmware.c
index c451398b058c..4a5bde9c686b 100644
--- a/sound/soc/intel/sst-firmware.c
+++ b/sound/soc/intel/sst-firmware.c
@@ -1120,6 +1120,7 @@ int sst_block_alloc_scratch(struct sst_dsp *dsp)
         ret = block_list_prepare(dsp, &dsp->scratch_block_list);
         if (ret < 0) {
                 dev_err(dsp->dev, "error: scratch block prepare failed\n");
+                mutex_unlock(&dsp->mutex);
                 return ret;
         }