pm_runtime_get_sync() increments the runtime PM usage counter even the
call returns an error code. Thus a pairing decrement is needed on the
error handling path to keep the counter balanced.
Signed-off-by: Junjie Mao <[email protected]>
---
sound/soc/intel/atom/sst/sst_drv_interface.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/sound/soc/intel/atom/sst/sst_drv_interface.c b/sound/soc/intel/atom/sst/sst_drv_interface.c
index 620da1d1b9e3..27a9653aa3d9 100644
--- a/sound/soc/intel/atom/sst/sst_drv_interface.c
+++ b/sound/soc/intel/atom/sst/sst_drv_interface.c
@@ -152,6 +152,7 @@ static int sst_power_control(struct device *dev, bool state)
dev_dbg(ctx->dev, "Enable: pm usage count: %d\n", usage_count);
if (ret < 0) {
+ pm_runtime_put_sync(dev);
dev_err(ctx->dev, "Runtime get failed with err: %d\n", ret);
return ret;
}
@@ -204,8 +205,10 @@ static int sst_cdev_open(struct device *dev,
struct intel_sst_drv *ctx = dev_get_drvdata(dev);
retval = pm_runtime_get_sync(ctx->dev);
- if (retval < 0)
+ if (retval < 0) {
+ pm_runtime_put_sync(ctx->dev);
return retval;
+ }
str_id = sst_get_stream(ctx, str_params);
if (str_id > 0) {
@@ -672,8 +675,10 @@ static int sst_send_byte_stream(struct device *dev,
if (NULL == bytes)
return -EINVAL;
ret_val = pm_runtime_get_sync(ctx->dev);
- if (ret_val < 0)
+ if (ret_val < 0) {
+ pm_runtime_put_sync(ctx->dev);
return ret_val;
+ }
ret_val = sst_send_byte_stream_mrfld(ctx, bytes);
sst_pm_runtime_put(ctx);
--
1.9.3