[NETFILTER]: constify nf_afinfo

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h
index bd4a2dd..0947424 100644 (file)
--- a/include/linux/netfilter.h
+++ b/include/linux/netfilter.h
@@ -226,8 +226,8 @@ struct nf_afinfo {
        int             route_key_size;
 };
 
-extern struct nf_afinfo *nf_afinfo[];
-static inline struct nf_afinfo *nf_get_afinfo(unsigned short family)
+extern const struct nf_afinfo *nf_afinfo[NPROTO];
+static inline const struct nf_afinfo *nf_get_afinfo(unsigned short family)
 {
        return rcu_dereference(nf_afinfo[family]);
 }
@@ -236,7 +236,7 @@ static inline __sum16
 nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
            u_int8_t protocol, unsigned short family)
 {
-       struct nf_afinfo *afinfo;
+       const struct nf_afinfo *afinfo;
        __sum16 csum = 0;
 
        rcu_read_lock();
@@ -247,8 +247,8 @@ nf_checksum(struct sk_buff *skb, unsigned int hook, unsigned int dataoff,
        return csum;
 }
 
-extern int nf_register_afinfo(struct nf_afinfo *afinfo);
-extern void nf_unregister_afinfo(struct nf_afinfo *afinfo);
+extern int nf_register_afinfo(const struct nf_afinfo *afinfo);
+extern void nf_unregister_afinfo(const struct nf_afinfo *afinfo);
 
 #include <net/flow.h>
 extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *);

diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c
index 7bf5e4a..4011f8f 100644 (file)
--- a/net/ipv4/netfilter.c
+++ b/net/ipv4/netfilter.c
@@ -190,7 +190,7 @@ static int nf_ip_route(struct dst_entry **dst, struct flowi *fl)
        return ip_route_output_key((struct rtable **)dst, fl);
 }
 
-static struct nf_afinfo nf_ip_afinfo = {
+static const struct nf_afinfo nf_ip_afinfo = {
        .family         = AF_INET,
        .checksum       = nf_ip_checksum,
        .route          = nf_ip_route,

diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 945e6ae..2e06724 100644 (file)
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -124,7 +124,7 @@ __sum16 nf_ip6_checksum(struct sk_buff *skb, unsigned int hook,
 
 EXPORT_SYMBOL(nf_ip6_checksum);
 
-static struct nf_afinfo nf_ip6_afinfo = {
+static const struct nf_afinfo nf_ip6_afinfo = {
        .family         = AF_INET6,
        .checksum       = nf_ip6_checksum,
        .route          = nf_ip6_route,

diff --git a/net/netfilter/core.c b/net/netfilter/core.c
index 95e1863..e026344 100644 (file)
--- a/net/netfilter/core.c
+++ b/net/netfilter/core.c
@@ -26,10 +26,10 @@
 
 static DEFINE_MUTEX(afinfo_mutex);
 
-struct nf_afinfo *nf_afinfo[NPROTO] __read_mostly;
+const struct nf_afinfo *nf_afinfo[NPROTO] __read_mostly;
 EXPORT_SYMBOL(nf_afinfo);
 
-int nf_register_afinfo(struct nf_afinfo *afinfo)
+int nf_register_afinfo(const struct nf_afinfo *afinfo)
 {
        int err;
 
@@ -42,7 +42,7 @@ int nf_register_afinfo(struct nf_afinfo *afinfo)
 }
 EXPORT_SYMBOL_GPL(nf_register_afinfo);
 
-void nf_unregister_afinfo(struct nf_afinfo *afinfo)
+void nf_unregister_afinfo(const struct nf_afinfo *afinfo)
 {
        mutex_lock(&afinfo_mutex);
        rcu_assign_pointer(nf_afinfo[afinfo->family], NULL);

diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c
index c550257..b636ca6 100644 (file)
--- a/net/netfilter/nf_conntrack_h323_main.c
+++ b/net/netfilter/nf_conntrack_h323_main.c
@@ -708,7 +708,7 @@ static int callforward_do_filter(union nf_conntrack_address *src,
                                 union nf_conntrack_address *dst,
                                 int family)
 {
-       struct nf_afinfo *afinfo;
+       const struct nf_afinfo *afinfo;
        struct flowi fl1, fl2;
        int ret = 0;
 

diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 7796511..bfc2928 100644 (file)
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -119,7 +119,7 @@ static int __nf_queue(struct sk_buff *skb,
        struct net_device *physindev;
        struct net_device *physoutdev;
 #endif
-       struct nf_afinfo *afinfo;
+       const struct nf_afinfo *afinfo;
        const struct nf_queue_handler *qh;
 
        /* QUEUE == DROP if noone is waiting, to be safe. */
@@ -233,7 +233,7 @@ void nf_reinject(struct nf_queue_entry *entry, unsigned int verdict)
 {
        struct sk_buff *skb = entry->skb;
        struct list_head *elem = &entry->elem->list;
-       struct nf_afinfo *afinfo;
+       const struct nf_afinfo *afinfo;
 
        rcu_read_lock();