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From: YueHaibing <yuehaibing@huawei.com>
To: <pablo@netfilter.org>, <kadlec@blackhole.kfki.hu>, <fw@strlen.de>,
	<davem@davemloft.net>, <rdunlap@infradead.org>
Cc: <linux-kernel@vger.kernel.org>, <coreteam@netfilter.org>,
	<netfilter-devel@vger.kernel.org>, <netdev@vger.kernel.org>,
	YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH net-next] netfilter: ipv6: Fix build error without CONFIG_IPV6
Date: Wed, 12 Jun 2019 16:47:15 +0800	[thread overview]
Message-ID: <20190612084715.21656-1-yuehaibing@huawei.com> (raw)

If CONFIG_IPV6 is not set, building fails:

net/bridge/netfilter/nf_conntrack_bridge.o: In function `nf_ct_bridge_pre':
nf_conntrack_bridge.c:(.text+0x41c): undefined symbol `nf_ct_frag6_gather'
net/bridge/netfilter/nf_conntrack_bridge.o: In function `nf_ct_bridge_post':
nf_conntrack_bridge.c:(.text+0x820): undefined symbol `br_ip6_fragment'

Reported-by: Hulk Robot <hulkci@huawei.com>
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: c9bb6165a16e ("netfilter: nf_conntrack_bridge: fix CONFIG_IPV6=y")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 include/linux/netfilter_ipv6.h | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index 3a3dc4b..0e1febc 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -108,8 +108,11 @@ static inline int nf_ipv6_br_defrag(struct net *net, struct sk_buff *skb,
 		return 1;
 
 	return v6_ops->br_defrag(net, skb, user);
-#else
+#endif
+#if IS_BUILTIN(CONFIG_IPV6)
 	return nf_ct_frag6_gather(net, skb, user);
+#else
+	return 1;
 #endif
 }
 
@@ -133,8 +136,11 @@ static inline int nf_br_ip6_fragment(struct net *net, struct sock *sk,
 		return 1;
 
 	return v6_ops->br_fragment(net, sk, skb, data, output);
-#else
+#endif
+#if IS_BUILTIN(CONFIG_IPV6)
 	return br_ip6_fragment(net, sk, skb, data, output);
+#else
+	return 1;
 #endif
 }
 
-- 
2.7.4



             reply	other threads:[~2019-06-12  8:47 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-12  8:47 YueHaibing [this message]
2019-06-20 15:26 ` [PATCH net-next] netfilter: ipv6: Fix build error without CONFIG_IPV6 Yuehaibing
2019-06-20 15:50   ` Pablo Neira Ayuso
2019-06-21  2:05     ` Yuehaibing
2019-06-21 15:20       ` Pablo Neira Ayuso
2019-06-21 15:16 ` Pablo Neira Ayuso

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