Hi Dinghao, On Fri, Apr 23, 2021 at 10:08 AM <dinghao.liu@xxxxxxxxxx> wrote: > > On Thu, Apr 15, 2021 at 9:33 AM Dinghao Liu <dinghao.liu@xxxxxxxxxx> wrote: > > > The error handling paths after pm_runtime_get_sync() has no > > > refcount decrement, which leads to refcount leak. > > > > > > Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> > > > --- > > > > > > Changelog: > > > > > > v2: - Move the position of pm_runtime_enable,_get_sync(). > > > Use devm_clk_register() to simplify error handling. > > > > Thanks for the update! > > > > > --- a/drivers/clk/renesas/rcar-usb2-clock-sel.c > > > +++ b/drivers/clk/renesas/rcar-usb2-clock-sel.c > > > @@ -131,7 +131,6 @@ static int rcar_usb2_clock_sel_remove(struct platform_device *pdev) > > > struct usb2_clock_sel_priv *priv = platform_get_drvdata(pdev); > > > > warning: unused variable ‘priv’ [-Wunused-variable] > > > > Have you compiled this? > > > > This is my carelessness, thanks for pointing out this. When we use > devm_clk_hw_register(), we will not need to unregister priv->hw in > rcar_usb2_clock_sel_remove(). So I think it's okay to remove > platform_get_drvdata() in it to eliminate this warning. > > Do you need a new version of patch to fix this warning? I'll remove that line while applying, so no need to fix and resend. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds