[iptables PATCH 4/8] xtables-restore: Constify struct nft_xt_restore_cb

[Phil Sutter <phil@nwl.cc>]

There is no need for dynamic callback mangling, so make all instances
static const.

Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 iptables/nft-shared.h        | 2 +-
 iptables/xtables-restore.c   | 8 ++++----
 iptables/xtables-translate.c | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/iptables/nft-shared.h b/iptables/nft-shared.h
index 5c6641505f3db..b062f3e5792e3 100644
--- a/iptables/nft-shared.h
+++ b/iptables/nft-shared.h
@@ -262,7 +262,7 @@ struct nft_xt_restore_cb {
 
 void xtables_restore_parse(struct nft_handle *h,
 			   const struct nft_xt_restore_parse *p,
-			   struct nft_xt_restore_cb *cb);
+			   const struct nft_xt_restore_cb *cb);
 
 void nft_check_xt_legacy(int family, bool is_ipt_save);
 #endif
diff --git a/iptables/xtables-restore.c b/iptables/xtables-restore.c
index 4652d631d2219..df8844208c273 100644
--- a/iptables/xtables-restore.c
+++ b/iptables/xtables-restore.c
@@ -70,7 +70,7 @@ static struct nftnl_chain_list *get_chain_list(struct nft_handle *h,
 	return chain_list;
 }
 
-struct nft_xt_restore_cb restore_cb = {
+static const struct nft_xt_restore_cb restore_cb = {
 	.chain_list	= get_chain_list,
 	.commit		= nft_commit,
 	.abort		= nft_abort,
@@ -87,7 +87,7 @@ static const struct xtc_ops xtc_ops = {
 
 void xtables_restore_parse(struct nft_handle *h,
 			   const struct nft_xt_restore_parse *p,
-			   struct nft_xt_restore_cb *cb)
+			   const struct nft_xt_restore_cb *cb)
 {
 	const struct builtin_table *curtable = NULL;
 	char buffer[10240];
@@ -432,7 +432,7 @@ static int ebt_table_flush(struct nft_handle *h, const char *table)
 	return nft_table_flush(h, table);
 }
 
-struct nft_xt_restore_cb ebt_restore_cb = {
+static const struct nft_xt_restore_cb ebt_restore_cb = {
 	.chain_list	= get_chain_list,
 	.commit		= nft_bridge_commit,
 	.table_new	= nft_table_new,
@@ -478,7 +478,7 @@ int xtables_eb_restore_main(int argc, char *argv[])
 	return 0;
 }
 
-struct nft_xt_restore_cb arp_restore_cb = {
+static const struct nft_xt_restore_cb arp_restore_cb = {
 	.chain_list	= get_chain_list,
 	.commit		= nft_commit,
 	.table_new	= nft_table_new,
diff --git a/iptables/xtables-translate.c b/iptables/xtables-translate.c
index 64e7667a253e7..43607901fc62b 100644
--- a/iptables/xtables-translate.c
+++ b/iptables/xtables-translate.c
@@ -413,7 +413,7 @@ static int dummy_compat_rev(const char *name, uint8_t rev, int opt)
 	return 1;
 }
 
-static struct nft_xt_restore_cb cb_xlate = {
+static const struct nft_xt_restore_cb cb_xlate = {
 	.table_new	= xlate_table_new,
 	.chain_set	= xlate_chain_set,
 	.chain_restore	= xlate_chain_user_restore,
-- 
2.23.0