On Wed, Jan 26, 2022 at 12:22:13AM +0000, Pavel Begunkov wrote: > #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ > ({ \ > int __ret = 0; \ > - if (cgroup_bpf_enabled(CGROUP_INET_INGRESS)) \ > + if (cgroup_bpf_enabled(CGROUP_INET_INGRESS) && sk && \ >From reading sk_filter_trim_cap() where this will be called, sk cannot be NULL. If yes, the new sk test is not needed. Others lgtm. > + cgroup_bpf_sock_enabled(sk, CGROUP_INET_INGRESS)) \ > __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ > CGROUP_INET_INGRESS); \ > \