[PATCH v3] drm/mediatek: fix uninitialized symbol

[Nancy . Lin]

fix Smatch static checker warning
  -Fix 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>
---
v3: fix reviewer comment in v2
v2: add Fixes tag
---
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c 
b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index f114da4d36a9..771f4e173353 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -563,14 +563,15 @@ int mtk_ddp_comp_init(struct device_node *node, struct 
mtk_ddp_comp *comp,
        /* Not all drm components have a DTS device node, such as ovl_adaptor,
         * which is the drm bring up sub driver
         */
-       if (node) {
-               comp_pdev = of_find_device_by_node(node);
-               if (!comp_pdev) {
-                       DRM_INFO("Waiting for device %s\n", node->full_name);
-                       return -EPROBE_DEFER;
-               }
-               comp->dev = &comp_pdev->dev;
+       if (!node)
+               return 0;
+
+       comp_pdev = of_find_device_by_node(node);
+       if (!comp_pdev) {
+               DRM_INFO("Waiting for device %s\n", node->full_name);
+               return -EPROBE_DEFER;
        }
+       comp->dev = &comp_pdev->dev;
 
        if (type == MTK_DISP_AAL ||
            type == MTK_DISP_BLS ||
@@ -580,7 +581,6 @@ int mtk_ddp_comp_init(struct device_node *node, struct 
mtk_ddp_comp *comp,
            type == MTK_DISP_MERGE ||
            type == MTK_DISP_OVL ||
            type == MTK_DISP_OVL_2L ||
-           type == MTK_DISP_OVL_ADAPTOR ||
            type == MTK_DISP_PWM ||
            type == MTK_DISP_RDMA ||
            type == MTK_DPI ||
-- 
2.18.0