From 6b207d66aa9fad0deed13d5f824e1ea193b0a777 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 30 Jun 2020 10:29:10 -0700 Subject: bpf: Fix net/core/filter build errors when INET is not enabled Fix build errors when CONFIG_INET is not set/enabled. (.text+0x2b1b): undefined reference to `tcp_prot' (.text+0x2b3b): undefined reference to `tcp_prot' Signed-off-by: Randy Dunlap Signed-off-by: Alexei Starovoitov Acked-by: Yonghong Song Link: https://lore.kernel.org/bpf/b1a858ec-7e04-56bc-248a-62cb9bbee726@infradead.org --- net/core/filter.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'net/core/filter.c') diff --git a/net/core/filter.c b/net/core/filter.c index c796e141ea8e..c5e696e6c315 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -9328,8 +9328,10 @@ const struct bpf_func_proto bpf_skc_to_tcp_sock_proto = { BPF_CALL_1(bpf_skc_to_tcp_timewait_sock, struct sock *, sk) { +#ifdef CONFIG_INET if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_TIME_WAIT) return (unsigned long)sk; +#endif #if IS_BUILTIN(CONFIG_IPV6) if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_TIME_WAIT) @@ -9350,8 +9352,10 @@ const struct bpf_func_proto bpf_skc_to_tcp_timewait_sock_proto = { BPF_CALL_1(bpf_skc_to_tcp_request_sock, struct sock *, sk) { +#ifdef CONFIG_INET if (sk->sk_prot == &tcp_prot && sk->sk_state == TCP_NEW_SYN_RECV) return (unsigned long)sk; +#endif #if IS_BUILTIN(CONFIG_IPV6) if (sk->sk_prot == &tcpv6_prot && sk->sk_state == TCP_NEW_SYN_RECV) -- cgit v1.2.3