Sorry, it's my carelessness. I'll adapt it on the latest kernel. Thanks. > On Tue, Oct 19, 2021 at 5:59 AM Di Zhu <zhudi2@xxxxxxxxxx> wrote: > > + break; > > +#if IS_ENABLED(CONFIG_BPF_STREAM_PARSER) > > + case BPF_SK_SKB_STREAM_PARSER: > > + *prog = READ_ONCE(progs->skb_parser); > > skb_parser? > Please don't submit patches that don't even build.