From 1e796fda00f06bac584f0e4ad8750ab9430d79d3 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Mon, 17 Dec 2007 22:42:27 -0800 Subject: [PATCH] [NETFILTER]: constify nf_afinfo Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- include/linux/netfilter.h | 10 +++++----- net/ipv4/netfilter.c | 2 +- net/ipv6/netfilter.c | 2 +- net/netfilter/core.c | 6 +++--- net/netfilter/nf_conntrack_h323_main.c | 2 +- net/netfilter/nf_queue.c | 4 ++-- 6 files changed, 13 insertions(+), 13 deletions(-) diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index bd4a2dd5423..0947424d01d 100644 --- 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 extern void (*ip_nat_decode_session)(struct sk_buff *, struct flowi *); diff --git a/net/ipv4/netfilter.c b/net/ipv4/netfilter.c index 7bf5e4a199f..4011f8f987c 100644 --- 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 945e6ae1956..2e06724dc34 100644 --- 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 95e18635ce7..e0263445484 100644 --- 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 c550257b546..b636ca60a77 100644 --- 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 77965114b09..bfc2928c191 100644 --- 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(); -- 2.20.1