[PATCH] ASoC: Intel: fix missing mutex

[Sudip Mukherjee <sudipm.mukherjee@gmail.com>]

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>
---
 sound/soc/intel/sst-firmware.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/sst-firmware.c b/sound/soc/intel/sst-firmware.c
index 35788ad..dca6d9a 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;
 	}
 
-- 
1.8.1.2