On 03/06/2020 19:38, Navid Emamdoost wrote: > Calling pm_runtime_get_sync increments the counter even in case of > failure, causing incorrect ref count. Call pm_runtime_put if > pm_runtime_get_sync fails. > > Signed-off-by: Navid Emamdoost <navid.emamdoost@xxxxxxxxx> > --- > drivers/dma/tegra210-adma.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/dma/tegra210-adma.c b/drivers/dma/tegra210-adma.c > index c4ce5dfb149b..87f2a1bed3aa 100644 > --- a/drivers/dma/tegra210-adma.c > +++ b/drivers/dma/tegra210-adma.c > @@ -869,8 +869,10 @@ static int tegra_adma_probe(struct platform_device *pdev) > pm_runtime_enable(&pdev->dev); > > ret = pm_runtime_get_sync(&pdev->dev); > - if (ret < 0) > + if (ret < 0) { > + pm_runtime_put_sync(&pdev->dev); > goto rpm_disable; > + } I would prefer it if you did not add the pm_runtime_put_sync() call here because there is already one in the error path that can be used. Jon -- nvpublic