linux-kernel - build failure of next-20220830 due to 5f8cdece42ff ("drm/msm/dsi: switch to DRM_PANEL

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Message-ID: <Yw3V8yJgAnPD8o6P@debian>
Date:   Tue, 30 Aug 2022 10:18:43 +0100
From:   "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        clang-built-linux <llvm@...ts.linux.dev>
Subject: build failure of next-20220830 due to 5f8cdece42ff ("drm/msm/dsi:
 switch to DRM_PANEL_BRIDGE")

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.


-- 
Regards
Sudip