netdev - [PATCH] netfilter: ipv6: Fix undefined symbol nf_ct_frag6

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Message-Id: <1559481741-9604-1-git-send-email-wenxu@ucloud.cn>
Date:   Sun,  2 Jun 2019 21:22:21 +0800
From:   wenxu@...oud.cn
To:     pablo@...filter.org
Cc:     netfilter-devel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH] netfilter: ipv6: Fix undefined symbol nf_ct_frag6_gather

From: wenxu <wenxu@...oud.cn>

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@...el.com>
Signed-off-by: wenxu <wenxu@...oud.cn>
---
 net/ipv6/netfilter.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 9530cc2..96d7abf 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -238,8 +238,10 @@ int br_ip6_fragment(struct net *net, struct sock *sk, struct sk_buff *skb,
 	.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
 };
-- 
1.8.3.1