Calling mtk_gem_obj = kzalloc() which returns uninitialized memory, because mtk_gem_obj is uninitialized. It may cause using uninitialized value mtk_gem_obj->base.resv when calling drm_gem_object_init(). So add initialization for mtk_gem_obj. Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx> Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.") --- drivers/gpu/drm/mediatek/mtk_drm_gem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c index a25b28d3ee90..9b8f72ed12e4 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c @@ -33,7 +33,7 @@ static const struct drm_gem_object_funcs mtk_drm_gem_object_funcs = { static struct mtk_drm_gem_obj *mtk_drm_gem_init(struct drm_device *dev, unsigned long size) { - struct mtk_drm_gem_obj *mtk_gem_obj; + struct mtk_drm_gem_obj *mtk_gem_obj = NULL; int ret; size = round_up(size, PAGE_SIZE); -- 2.18.0