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. Also, call pm_runtime_disable() when pm_runtime_get_sync() returns an error code. Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> --- drivers/dma/sprd-dma.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/dma/sprd-dma.c b/drivers/dma/sprd-dma.c index 0ef5ca81ba4d..275d83768d0d 100644 --- a/drivers/dma/sprd-dma.c +++ b/drivers/dma/sprd-dma.c @@ -1210,7 +1210,7 @@ static int sprd_dma_probe(struct platform_device *pdev) ret = dma_async_device_register(&sdev->dma_dev); if (ret < 0) { dev_err(&pdev->dev, "register dma device failed:%d\n", ret); - goto err_register; + goto err_rpm; } sprd_dma_info.dma_cap = sdev->dma_dev.cap_mask; @@ -1224,10 +1224,9 @@ static int sprd_dma_probe(struct platform_device *pdev) err_of_register: dma_async_device_unregister(&sdev->dma_dev); -err_register: +err_rpm: pm_runtime_put_noidle(&pdev->dev); pm_runtime_disable(&pdev->dev); -err_rpm: sprd_dma_disable(sdev); return ret; } -- 2.17.1