The initialization is currently tested in a later stage in the function for no reason. In addition, the test '!comp' will never fail since comp is set with the '&' operator. Instead, test if a comp was not initialized by testing "!comp->dev".
Signed-off-by: Dafna Hirschfeld dafna.hirschfeld@collabora.com --- drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index 474efb844249..06f40e589922 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -755,14 +755,22 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, for (i = 0; i < path_len; i++) { enum mtk_ddp_comp_id comp_id = path[i]; struct device_node *node; + struct mtk_ddp_comp *comp;
node = priv->comp_node[comp_id]; + comp = &priv->ddp_comp[comp_id]; + if (!node) { dev_info(dev, "Not creating crtc %d because component %d is disabled or missing\n", pipe, comp_id); return 0; } + + if (!comp->dev) { + dev_err(dev, "Component %pOF not initialized\n", node); + return -ENODEV; + } }
mtk_crtc = devm_kzalloc(dev, sizeof(*mtk_crtc), GFP_KERNEL); @@ -787,16 +795,8 @@ int mtk_drm_crtc_create(struct drm_device *drm_dev, for (i = 0; i < mtk_crtc->ddp_comp_nr; i++) { enum mtk_ddp_comp_id comp_id = path[i]; struct mtk_ddp_comp *comp; - struct device_node *node;
- node = priv->comp_node[comp_id]; comp = &priv->ddp_comp[comp_id]; - if (!comp) { - dev_err(dev, "Component %pOF not initialized\n", node); - ret = -ENODEV; - return ret; - } - mtk_crtc->ddp_comp[i] = comp;
if (comp->funcs) {