spi: tegra20-sflash: Fix runtime PM imbalance on error

Message ID 20200521075220.22409-1-dinghao.liu@zju.edu.cn
State New
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Series
  • spi: tegra20-sflash: Fix runtime PM imbalance on error
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Commit Message

Dinghao Liu May 21, 2020, 7:52 a.m.
pm_runtime_get_sync() increments the runtime PM usage counter even
when it 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@zju.edu.cn>
---
 drivers/spi/spi-tegra20-sflash.c | 1 +
 1 file changed, 1 insertion(+)

Patch

diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 514429379206..159efbc55a53 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -491,6 +491,7 @@  static int tegra_sflash_probe(struct platform_device *pdev)
 	ret = pm_runtime_get_sync(&pdev->dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "pm runtime get failed, e = %d\n", ret);
+		pm_runtime_put(&pdev->dev);
 		goto exit_pm_disable;
 	}