Re: build failure of next-20220830 due to 5f8cdece42ff ("drm/msm/dsi: switch to DRM_PANEL_BRIDGE")

[Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>]

Hi,

On 30/08/2022 15:40, Nathan Chancellor wrote:
> Hi Sudip,
>
> On Tue, Aug 30, 2022 at 10:18:43AM +0100, Sudip Mukherjee (Codethink) wrote:
> > Hi All,
> >
> > The builds of arm64 allmodconfig with clang have failed to build
> > next-20220830 with the error:
> >
> > drivers/gpu/drm/msm/dsi/dsi_host.c:1903:14: error: variable 'device_node' is uninitialized when used here [-Werror,-Wuninitialized]
> >          of_node_put(device_node);
> >                      ^~~~~~~~~~~
> > drivers/gpu/drm/msm/dsi/dsi_host.c:1870:44: note: initialize the variable 'device_node' to silence this warning
> >          struct device_node *endpoint, *device_node;
> >                                                    ^
> >                                                     = NULL
> >
> > git bisect pointed to 5f8cdece42ff ("drm/msm/dsi: switch to DRM_PANEL_BRIDGE")
> >
> > I will be happy to test any patch or provide any extra log if needed.
>
> Thanks for the report. I noticed this yesterday and sent a patch:
>
> https://lore.kernel.org/20220829165450.217628-1-nathan@xxxxxxxxxx/
> https://github.com/ClangBuiltLinux/linux/issues/1700

Updated and pushed the branch to unbreak the linux-next. Thank you!

> Cheers,
> Nathan

--
With best wishes
Dmitry