BPF_RET           277 net/core/filter.c 		case BPF_RET|BPF_K:
BPF_RET           279 net/core/filter.c 		case BPF_RET|BPF_A:
BPF_RET           388 net/core/filter.c 		case BPF_RET|BPF_K:
BPF_RET           389 net/core/filter.c 		case BPF_RET|BPF_A:
BPF_RET           438 net/core/filter.c 	return (BPF_CLASS(filter[flen - 1].code) == BPF_RET) ? 0 : -EINVAL;