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ASoC: img-parallel-out: Fix a reference count leak 

pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code, causing incorrect ref count if
pm_runtime_put_noidle() is not called in error handling paths.
Thus call pm_runtime_put_noidle() if pm_runtime_get_sync() fails.

Signed-off-by: Qiushi Wu <wu000273@umn.edu>
Link: https://lore.kernel.org/r/20200614033344.1814-1-wu000273@umn.edu
Signed-off-by: Mark Brown <broonie@kernel.org>
5.9.x+fslc
Qiushi Wu 2020-06-13 22:33:43 -05:00 committed by Mark Brown
parent c4c59b95b7
commit 6b9fbb0736
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 1 deletions
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sound/soc/img/img-parallel-out.c
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@ -163,8 +163,10 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
}
ret = pm_runtime_get_sync(prl->dev);
if (ret < 0)
if (ret < 0) {
pm_runtime_put_noidle(prl->dev);
return ret;
}
reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL);
reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set;