From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 16 Sep 2019 18:33:08 +0200
Subject: netfilter: nf_tables: add NFT_CHAIN_POLICY_UNSET and use it
Patch-mainline: v5.4-rc1
Git-commit: ad652f3811d8644d547506154ec9a9c22c8771cd
References: bsc#1176447
Default policy is defined as a unsigned 8-bit field, do not use a
negative value to leave it unset, use this new NFT_CHAIN_POLICY_UNSET
instead.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/net/netfilter/nf_tables.h | 2 ++
net/netfilter/nf_tables_api.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -889,6 +889,8 @@ enum nft_chain_flags {
NFT_CHAIN_HW_OFFLOAD = 0x2,
};
+#define NFT_CHAIN_POLICY_UNSET U8_MAX
+
/**
* struct nft_chain - nf_tables chain
*
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1715,7 +1715,7 @@ static int nf_tables_addchain(struct nft
goto err2;
}
- nft_trans_chain_policy(trans) = -1;
+ nft_trans_chain_policy(trans) = NFT_CHAIN_POLICY_UNSET;
if (nft_is_base_chain(chain))
nft_trans_chain_policy(trans) = policy;