From: Daniel Xu Date: Mon, 31 Jul 2023 21:55:00 +0000 (-0600) Subject: netfilter: bpf: Only define get_proto_defrag_hook() if necessary X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=81584c23f249ac2d809e2f89b76a7a9a02c09d8a;p=linux.git netfilter: bpf: Only define get_proto_defrag_hook() if necessary Before, we were getting this warning: net/netfilter/nf_bpf_link.c:32:1: warning: 'get_proto_defrag_hook' defined but not used [-Wunused-function] Guard the definition with CONFIG_NF_DEFRAG_IPV[4|6]. Fixes: 91721c2d02d3 ("netfilter: bpf: Support BPF_F_NETFILTER_IP_DEFRAG in netfilter link") Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202307291213.fZ0zDmoG-lkp@intel.com/ Signed-off-by: Daniel Xu Link: https://lore.kernel.org/r/b128b6489f0066db32c4772ae4aaee1480495929.1690840454.git.dxu@dxuuu.xyz Signed-off-by: Alexei Starovoitov --- diff --git a/net/netfilter/nf_bpf_link.c b/net/netfilter/nf_bpf_link.c index 8fe594bbc7e24..e502ec00b2fe1 100644 --- a/net/netfilter/nf_bpf_link.c +++ b/net/netfilter/nf_bpf_link.c @@ -28,6 +28,7 @@ struct bpf_nf_link { const struct nf_defrag_hook *defrag_hook; }; +#if IS_ENABLED(CONFIG_NF_DEFRAG_IPV4) || IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) static const struct nf_defrag_hook * get_proto_defrag_hook(struct bpf_nf_link *link, const struct nf_defrag_hook __rcu *global_hook, @@ -68,6 +69,7 @@ get_proto_defrag_hook(struct bpf_nf_link *link, return hook; } +#endif static int bpf_nf_enable_defrag(struct bpf_nf_link *link) {