Re: [PATCH] video: fbdev: arkfb: fix possible object reference leak

From: Ondrej Zary
Date: Fri Oct 06 2023 - 10:34:17 EST


On Friday 06 October 2023, Helge Deller wrote:
> On 10/5/23 09:01, Zhang Shurong wrote:
> > Add missing pci_disable_device() in error path in ark_pci_probe().
>
> Do you have this hardware and tested your patch?
> I'm sure there is a reason, why "pci_disable_device()" was commented
> out in the original submission in commit 681e14730c73c...

pci_disable_device() call is disabled in many fbdev drivers because calling it might prevent display from working.

>
> Additionally I'm wondering why your patch doesn't show up in
> the fbdev patchwork, although you added linux-fbdev mailing list.
> Probably a vger issue.
>
> Helge
>
>
> > Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx>
> > ---
> > drivers/video/fbdev/arkfb.c | 4 ++--
> > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c
> > index 60a96fdb5dd8..6c4e5065646f 100644
> > --- a/drivers/video/fbdev/arkfb.c
> > +++ b/drivers/video/fbdev/arkfb.c
> > @@ -1064,7 +1064,7 @@ static int ark_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
> > err_dac:
> > pci_release_regions(dev);
> > err_request_regions:
> > -/* pci_disable_device(dev); */
> > + pci_disable_device(dev);
> > err_enable_device:
> > framebuffer_release(info);
> > return rc;
> > @@ -1085,7 +1085,7 @@ static void ark_pci_remove(struct pci_dev *dev)
> >
> > pci_iounmap(dev, info->screen_base);
> > pci_release_regions(dev);
> > -/* pci_disable_device(dev); */
> > + pci_disable_device(dev);
> >
> > framebuffer_release(info);
> > }
>
>



--
Ondrej Zary