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....@zju.edu.cn> --- drivers/input/keyboard/omap4-keypad.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/keyboard/omap4-keypad.c b/drivers/input/keyboard/omap4-keypad.c index 94c94d7f5155..d13d81c796d2 100644 --- a/drivers/input/keyboard/omap4-keypad.c +++ b/drivers/input/keyboard/omap4-keypad.c @@ -371,8 +371,8 @@ static int omap4_keypad_probe(struct platform_device *pdev) err_free_input: input_free_device(input_dev); err_pm_put_sync: - pm_runtime_put_sync(&pdev->dev); err_unmap: + pm_runtime_put_sync(&pdev->dev); iounmap(keypad_data->base); err_release_mem: release_mem_region(res->start, resource_size(res)); -- 2.17.1