[PATCH 1/4] netfilter: nfq_ct_hook needs __rcu and __read_mostly

[pablo@netfilter.org]

From: Pablo Neira Ayuso <pablo@netfilter.org>

This removes some sparse warnings.

Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 include/linux/netfilter.h |    2 +-
 net/netfilter/core.c      |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index dca19e6..38b96a5 100644
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -404,7 +404,7 @@ struct nfq_ct_hook {
 	void (*seq_adjust)(struct sk_buff *skb, struct nf_conn *ct,
 			   u32 ctinfo, int off);
 };
-extern struct nfq_ct_hook *nfq_ct_hook;
+extern struct nfq_ct_hook __rcu *nfq_ct_hook;
 #else
 static inline void nf_ct_attach(struct sk_buff *new, struct sk_buff *skb) {}
 #endif
diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 7eef845..4cd10ed 100644
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -265,7 +265,7 @@ void nf_conntrack_destroy(struct nf_conntrack *nfct)
 }
 EXPORT_SYMBOL(nf_conntrack_destroy);
 
-struct nfq_ct_hook *nfq_ct_hook;
+struct nfq_ct_hook __rcu *nfq_ct_hook __read_mostly;
 EXPORT_SYMBOL_GPL(nfq_ct_hook);
 
 #endif /* CONFIG_NF_CONNTRACK */
-- 
1.7.10