iptables/SOURCES/0011-nft-Simplify-nftnl_rul...

61 lines
2.1 KiB
Diff

From 014b6acbb382f42dd20577fa1ff6e013526a57d5 Mon Sep 17 00:00:00 2001
From: Phil Sutter <phil@nwl.cc>
Date: Thu, 20 Dec 2018 16:09:02 +0100
Subject: [PATCH] nft: Simplify nftnl_rule_list_chain_save()
Since there are per table chain caches, The chain list passed to that
function is comprised of chains belonging to the right table only.
Therefore the table name check can safely be skipped.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
(cherry picked from commit 71f9e474d467dd59582d7a3920eded9613b99000)
Signed-off-by: Phil Sutter <psutter@redhat.com>
---
iptables/nft.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)
diff --git a/iptables/nft.c b/iptables/nft.c
index 7b6fb2b10686d..9d20eb0eac2db 100644
--- a/iptables/nft.c
+++ b/iptables/nft.c
@@ -2381,8 +2381,7 @@ list_save(struct nftnl_rule *r, unsigned int num, unsigned int format)
static int
nftnl_rule_list_chain_save(struct nft_handle *h, const char *chain,
- const char *table, struct nftnl_chain_list *list,
- int counters)
+ struct nftnl_chain_list *list, int counters)
{
struct nftnl_chain_list_iter *iter;
struct nftnl_chain *c;
@@ -2393,15 +2392,12 @@ nftnl_rule_list_chain_save(struct nft_handle *h, const char *chain,
c = nftnl_chain_list_iter_next(iter);
while (c != NULL) {
- const char *chain_table =
- nftnl_chain_get_str(c, NFTNL_CHAIN_TABLE);
const char *chain_name =
nftnl_chain_get_str(c, NFTNL_CHAIN_NAME);
uint32_t policy =
nftnl_chain_get_u32(c, NFTNL_CHAIN_POLICY);
- if (strcmp(table, chain_table) != 0 ||
- (chain && strcmp(chain, chain_name) != 0))
+ if (chain && strcmp(chain, chain_name) != 0)
goto next;
/* this is a base chain */
@@ -2458,7 +2454,7 @@ int nft_rule_list_save(struct nft_handle *h, const char *chain,
/* Dump policies and custom chains first */
if (!rulenum)
- nftnl_rule_list_chain_save(h, chain, table, list, counters);
+ nftnl_rule_list_chain_save(h, chain, list, counters);
/* Now dump out rules in this table */
iter = nftnl_chain_list_iter_create(list);
--
2.21.0