static void ipp_clean_cmd_node(struct ipp_context *ctx,
struct drm_exynos_ipp_cmd_node *c_node)
{
+ /* cancel works */
+ cancel_work_sync(&c_node->start_work->work);
+ cancel_work_sync(&c_node->stop_work->work);
+ cancel_work_sync(&c_node->event_work->work);
+
/* delete list */
list_del(&c_node->list);