netfilter: ipv6: Fix undefined symbol nf_ct_frag6_gather

CONFIG_NETFILTER=m and CONFIG_NF_DEFRAG_IPV6 is not set

ERROR: "nf_ct_frag6_gather" [net/ipv6/ipv6.ko] undefined!

Fixes: c9bb6165a16e ("netfilter: nf_conntrack_bridge: fix CONFIG_IPV6=y")
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: wenxu <wenxu@ucloud.cn>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index d9673e10c60cc73364d3d193dbf4a04352282dc9..86048dce301bcaefa9236cf45a21863098070e88 100644 (file)
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -238,8 +238,10 @@ static const struct nf_ipv6_ops ipv6ops = {
        .route_input            = ip6_route_input,
        .fragment               = ip6_fragment,
        .reroute                = nf_ip6_reroute,
-#if IS_MODULE(CONFIG_IPV6)
+#if IS_MODULE(CONFIG_IPV6) && IS_ENABLED(CONFIG_NF_DEFRAG_IPV6)
        .br_defrag              = nf_ct_frag6_gather,
+#endif
+#if IS_MODULE(CONFIG_IPV6)
        .br_fragment            = br_ip6_fragment,
 #endif
 };