Fix build errors in kernel/bpf/verifier.c when CONFIG_NET is not enabled. ../kernel/bpf/verifier.c:3995:13: error: ‘btf_sock_ids’ undeclared here (not in a function); did you mean ‘bpf_sock_ops’? .btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON], ../kernel/bpf/verifier.c:3995:26: error: ‘BTF_SOCK_TYPE_SOCK_COMMON’ undeclared here (not in a function); did you mean ‘PTR_TO_SOCK_COMMON’? .btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON], Fixes: 1df8f55a37bd ("bpf: Enable bpf_skc_to_* sock casting helper to networking prog type") Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Alexei Starovoitov <ast@xxxxxxxxxx> Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx> Cc: netdev@xxxxxxxxxxxxxxx Cc: bpf@xxxxxxxxxxxxxxx Cc: Martin KaFai Lau <kafai@xxxxxx> Cc: linux-next@xxxxxxxxxxxxxxx --- First reported by me in linux-next-20200928. kernel/bpf/verifier.c | 4 ++++ 1 file changed, 4 insertions(+) --- mmotm-2020-1006-1550.orig/kernel/bpf/verifier.c +++ mmotm-2020-1006-1550/kernel/bpf/verifier.c @@ -3984,6 +3984,7 @@ static const struct bpf_reg_types sock_t }, }; +#ifdef CONFIG_NET static const struct bpf_reg_types btf_id_sock_common_types = { .types = { PTR_TO_SOCK_COMMON, @@ -3994,6 +3995,7 @@ static const struct bpf_reg_types btf_id }, .btf_id = &btf_sock_ids[BTF_SOCK_TYPE_SOCK_COMMON], }; +#endif static const struct bpf_reg_types mem_types = { .types = { @@ -4037,7 +4039,9 @@ static const struct bpf_reg_types *compa [ARG_PTR_TO_CTX] = &context_types, [ARG_PTR_TO_CTX_OR_NULL] = &context_types, [ARG_PTR_TO_SOCK_COMMON] = &sock_types, +#ifdef CONFIG_NET [ARG_PTR_TO_BTF_ID_SOCK_COMMON] = &btf_id_sock_common_types, +#endif [ARG_PTR_TO_SOCKET] = &fullsock_types, [ARG_PTR_TO_SOCKET_OR_NULL] = &fullsock_types, [ARG_PTR_TO_BTF_ID] = &btf_ptr_types,