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| author |   Junjie Mao <junjie.mao@enight.me> | 2015-07-17 10:29:00 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2015-08-14 17:41:21 +0100 |
| commit | e1d46d30d133e7909e7dde06a4e867225c7e079b (patch) | |
| tree | 7eaad75a3764e9b34ea9a97fcb21b2d1f51f9e8f | |
| parent | ASoC: Intel: Skylake: Add pipe management helpers (diff) | |
| download | linux-dev-e1d46d30d133e7909e7dde06a4e867225c7e079b.tar.xz linux-dev-e1d46d30d133e7909e7dde06a4e867225c7e079b.zip | |
ASoC: Intel: fix runtime pm imbalance on error
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 <junjie.mao@enight.me>
Signed-off-by: Mark Brown <broonie@kernel.org>
| -rw-r--r-- | sound/soc/intel/atom/sst/sst_drv_interface.c | 9 |
1 files 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); |