[PATCH 4/4] drm/exynos: fix NULL pointer reference
Gustavo Padovan
gustavo at padovan.org
Fri Feb 6 04:44:33 PST 2015
Hi,
2015-02-06 Joonyoung Shim <jy0922.shim at samsung.com>:
> Hi,
>
> On 02/05/2015 10:07 PM, Gustavo Padovan wrote:
> > Hi,
> >
> >
> > 2015-02-05 Joonyoung Shim <jy0922.shim at samsung.com>:
> >
> >> There is a case called disable_plane callback function even if
> >> plane->crtc is NULL from exynos_drm_encoder_disable and it will cause
> >> NULL pointer reference error.
> >>
> >> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> >> ---
> >> drivers/gpu/drm/exynos/exynos_drm_encoder.c | 2 +-
> >> 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > You need to merge this patch with patch 3 or you will break the bisect.
> > The NULL pointer is introduced by the previous patch, so fix it in the same
> > patch.
> >
>
> Yeah, it is revealed by patch 3 but it was original problem from before
> patch 3. How about apply this patch earlier than patch 3?
Okay. That sounds good too.
Gustavo
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