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Subject[PATCH] netfilter: add nf_queue_entry forward declaration
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The newly added callback pointers cause a warning for some configurations:

In file included from net/ipv6/af_inet6.c:45:0:
include/linux/netfilter_ipv6.h:38:51: error: 'struct nf_queue_entry' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]

Adding a forward declaration for the type avoids the warnings.

Fixes: 9faa679ee7ec ("netfilter: move reroute indirection to struct nf_ipv6_ops")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
include/linux/netfilter_ipv4.h | 2 ++
include/linux/netfilter_ipv6.h | 2 ++
2 files changed, 4 insertions(+)

diff --git a/include/linux/netfilter_ipv4.h b/include/linux/netfilter_ipv4.h
index 0259bcde6d2e..b31dabfdb453 100644
--- a/include/linux/netfilter_ipv4.h
+++ b/include/linux/netfilter_ipv4.h
@@ -18,6 +18,8 @@ struct ip_rt_info {

int ip_route_me_harder(struct net *net, struct sk_buff *skb, unsigned addr_type);

+struct nf_queue_entry;
+
#ifdef CONFIG_INET
__sum16 nf_ip_checksum(struct sk_buff *skb, unsigned int hook,
unsigned int dataoff, u_int8_t protocol);
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index e4cdcfdce0f9..288c597e75b3 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -18,6 +18,8 @@ struct ip6_rt_info {
u_int32_t mark;
};

+struct nf_queue_entry;
+
/*
* Hook functions for ipv6 to allow xt_* modules to be built-in even
* if IPv6 is a module.
--
2.9.0
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