[PATCH] ASoC: img-spdif-in: Fix runtime PM imbalance on error

Dinghao Liu dinghao.liu at zju.edu.cn
Wed May 27 10:43:24 CEST 2020


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: Dinghao Liu <dinghao.liu at zju.edu.cn>
---
 sound/soc/img/img-spdif-in.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/img/img-spdif-in.c b/sound/soc/img/img-spdif-in.c
index fd639f4d082b..46ff8a3621d5 100644
--- a/sound/soc/img/img-spdif-in.c
+++ b/sound/soc/img/img-spdif-in.c
@@ -753,8 +753,10 @@ static int img_spdif_in_probe(struct platform_device *pdev)
 			goto err_pm_disable;
 	}
 	ret = pm_runtime_get_sync(&pdev->dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put_noidle(&pdev->dev);
 		goto err_suspend;
+	}
 
 	rst = devm_reset_control_get_exclusive(&pdev->dev, "rst");
 	if (IS_ERR(rst)) {
-- 
2.17.1



More information about the Alsa-devel mailing list