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From:   YueHaibing <yuehaibing@huawei.com>
To:     <pablo@netfilter.org>, <kadlec@blackhole.kfki.hu>, <fw@strlen.de>
CC:     <linux-kernel@vger.kernel.org>, <coreteam@netfilter.org>,
        <netfilter-devel@vger.kernel.org>,
        YueHaibing <yuehaibing@huawei.com>
Subject: [PATCH net-next] netfilter: nf_conntrack_bridge: Fix build error without IPV6
Date:   Fri, 31 May 2019 10:46:43 +0800
Message-ID: <20190531024643.3840-1-yuehaibing@huawei.com>
MIME-Version: 1.0
Content-Type: text/plain
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

Fix gcc build error while CONFIG_IPV6 is not set

In file included from net/netfilter/core.c:19:0:
./include/linux/netfilter_ipv6.h: In function 'nf_ipv6_br_defrag':
./include/linux/netfilter_ipv6.h:110:9: error: implicit declaration of function 'nf_ct_frag6_gather' [-Werror=implicit-function-declaration]

Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 764dd163ac92 ("netfilter: nf_conntrack_bridge: add support for IPv6")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
 include/linux/netfilter_ipv6.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index a21b8c9..4ea97fd 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -96,6 +96,8 @@ static inline int nf_ip6_route(struct net *net, struct dst_entry **dst,
 #endif
 }
 
+int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user);
+
 static inline int nf_ipv6_br_defrag(struct net *net, struct sk_buff *skb,
 				    u32 user)
 {
-- 
2.7.4