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

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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




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