[PATCH] ASoC: rockchip: i2s_tdm: fix runtime pm imbalance on error

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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: Zhen Ni <nizhen@xxxxxxxxxxxxx>
---
 sound/soc/rockchip/rockchip_i2s_tdm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index 5f9cb5c4c7f0..4691a76b499d 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -1739,8 +1739,10 @@ static int __maybe_unused rockchip_i2s_tdm_resume(struct device *dev)
 	int ret;
 
 	ret = pm_runtime_get_sync(dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put(dev);
 		return ret;
+	}
 	ret = regcache_sync(i2s_tdm->regmap);
 	pm_runtime_put(dev);
 
-- 
2.20.1






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