[PATCH] gpio/rockchip: fix refcount leak in rockchip_gpiolib_register()

Bartosz Golaszewski brgl at bgdev.pl
Tue Dec 6 01:12:00 PST 2022


On Tue, Dec 6, 2022 at 2:42 AM wangyufen <wangyufen at huawei.com> wrote:
>
>
>
> 在 2022/12/5 18:26, Bartosz Golaszewski 写道:
> > On Mon, Dec 5, 2022 at 7:21 AM wangyufen <wangyufen at huawei.com> wrote:
> >>
> >>
> >>
> >> 在 2022/12/5 14:19, Wang Yufen 写道:
> >>> The node returned by of_get_parent() with refcount incremented,
> >>> of_node_put() needs be called when finish using it. So add it in the
> >>> end of of_pinctrl_get().
> >>>
> >>> Fixes: 936ee2675eee ("gpio/rockchip: add driver for rockchip gpio")
> >>> Signed-off-by: Wang Yufen <wangyufen at huawei.com>
> >>> ---
> >>>    drivers/gpio/gpio-rockchip.c | 1 +
> >>>    1 file changed, 1 insertion(+)
> >>>
> >>> diff --git a/drivers/gpio/gpio-rockchip.c b/drivers/gpio/gpio-rockchip.c
> >>> index 870910b..200e43a 100644
> >>> --- a/drivers/gpio/gpio-rockchip.c
> >>> +++ b/drivers/gpio/gpio-rockchip.c
> >>> @@ -610,6 +610,7 @@ static int rockchip_gpiolib_register(struct rockchip_pin_bank *bank)
> >>>                        return -ENODATA;
> >>>
> >>>                pctldev = of_pinctrl_get(pctlnp);
> >>> +             of_node_put(pctlnp);
> >>>                if (!pctldev)
> >>>                        return -ENODEV;
> >>>
> >
> > Something went wrong when sending the patch? Did you use git send-email?
> >
>
> The patch itself is fine, but I forgot to Cc the author of the patch I
> fixed, so I added a Cc.
>
> Thanks,
> Wang
>
> > Bart
> >

I don't have it in my inbox, not even in spam. I fetched the patch
from patchwork and applied it for fixes, thanks.

Bart



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