diff mbox series

[v2] spi: tegra20-sflash: Fix runtime PM imbalance on error

Message ID 20200523124758.28604-1-dinghao.liu@zju.edu.cn
State New
Headers show
Series [v2] spi: tegra20-sflash: Fix runtime PM imbalance on error | expand

Commit Message

Dinghao Liu May 23, 2020, 12:47 p.m. UTC
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>
---

Changelog:

v2: - Use pm_runtime_put_noidle() instead of pm_runtime_put().
---
 drivers/spi/spi-tegra20-sflash.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Mark Brown May 28, 2020, 1:08 p.m. UTC | #1
On Sat, 23 May 2020 20:47:58 +0800, Dinghao Liu wrote:
> 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.

Applied to

   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next

Thanks!

[1/1] spi: tegra20-sflash: Fix runtime PM imbalance on error
      commit: 117858bd63fb2ebcdfcc27b09fd65cb44511ea4c

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent to Linus during
the next merge window (or sooner if it is a bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

Thanks,
Mark
diff mbox series

Patch

diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 514429379206..02cf5f463ba6 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_noidle(&pdev->dev);
 		goto exit_pm_disable;
 	}