[PATCH v2] drm/mediatek: fix uninitialized symbol

[Nancy . Lin]

fix Smatch static checker warning
  - uninitialized symbol comp_pdev in mtk_ddp_comp_init.

Fixes: 0d9eee9118b7 ("drm/mediatek: Add drm ovl_adaptor sub driver for MT8195")
Signed-off-by: Nancy.Lin <nancy....@mediatek.com>
---
v2: add Fixes tag
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index f114da4d36a9..e987ac4481bc 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -546,7 +546,7 @@ unsigned int mtk_drm_find_possible_crtc_by_comp(struct 
drm_device *drm,
 int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
                      unsigned int comp_id)
 {
-       struct platform_device *comp_pdev;
+       struct platform_device *comp_pdev = NULL;
        enum mtk_ddp_comp_type type;
        struct mtk_ddp_comp_dev *priv;
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
@@ -588,6 +588,9 @@ int mtk_ddp_comp_init(struct device_node *node, struct 
mtk_ddp_comp *comp,
            type == MTK_DSI)
                return 0;
 
+       if (!comp_pdev)
+               return -EPROBE_DEFER;
+
        priv = devm_kzalloc(comp->dev, sizeof(*priv), GFP_KERNEL);
        if (!priv)
                return -ENOMEM;
-- 
2.18.0