[PATCH 2/2] af_key: constify lookup tables

[Mathias Krause <minipli@googlemail.com>]

The lookup tables for minimum sizes of extensions and for the pfkey
handler functions are read only, therefore can be const.

Signed-off-by: Mathias Krause <minipli@googlemail.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
---
 net/key/af_key.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 5490d97..8432eb1 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -338,7 +338,7 @@ static int pfkey_error(const struct sadb_msg *orig, int err, struct sock *sk)
 	return 0;
 }
 
-static u8 sadb_ext_min_len[] = {
+static const u8 sadb_ext_min_len[] = {
 	[SADB_EXT_RESERVED]		= (u8) 0,
 	[SADB_EXT_SA]			= (u8) sizeof(struct sadb_sa),
 	[SADB_EXT_LIFETIME_CURRENT]	= (u8) sizeof(struct sadb_lifetime),
@@ -2734,7 +2734,7 @@ static int pfkey_spdflush(struct sock *sk, struct sk_buff *skb, const struct sad
 
 typedef int (*pfkey_handler)(struct sock *sk, struct sk_buff *skb,
 			     const struct sadb_msg *hdr, void * const *ext_hdrs);
-static pfkey_handler pfkey_funcs[SADB_MAX + 1] = {
+static const pfkey_handler pfkey_funcs[SADB_MAX + 1] = {
 	[SADB_RESERVED]		= pfkey_reserved,
 	[SADB_GETSPI]		= pfkey_getspi,
 	[SADB_UPDATE]		= pfkey_add,
-- 
1.7.10.4