delete_empty 311 include/net/sch_generic.h bool (*delete_empty)(struct tcf_proto *tp); delete_empty 313 net/sched/cls_api.c if (tp->ops->delete_empty) delete_empty 314 net/sched/cls_api.c return tp->ops->delete_empty(tp); delete_empty 2549 net/sched/cls_flower.c .delete_empty = fl_delete_empty,