diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c
index f84b7e61311bc3b98041c4f9633c150075775b9d..9b2b99e8534225967f033d0e6988252d7863d4ef 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -177,6 +177,8 @@ static int virtio_gpu_conn_get_modes(struct drm_connector *connector)
 		DRM_DEBUG("add mode: %dx%d\n", width, height);
 		mode = drm_cvt_mode(connector->dev, width, height, 60,
 				    false, false, false);
+		if (!mode)
+			return count;
 		mode->type |= DRM_MODE_TYPE_PREFERRED;
 		drm_mode_probed_add(connector, mode);
 		count++;