From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Mon, 2 Sep 2024 23:07:06 +0000 (+0200)
Subject: netfilter: nf_tables: remove annotation to access set timeout while holding lock
X-Git-Tag: v5.15.168~571
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e2b7c9d5ec8df52ea076e7a4b18b699a6fca907;p=thirdparty%2Fkernel%2Fstable.git

netfilter: nf_tables: remove annotation to access set timeout while holding lock

[ Upstream commit 15d8605c0cf4fc9cf4386cae658c68a0fd4bdb92 ]

Mutex is held when adding an element, no need for READ_ONCE, remove it.

Fixes: 123b99619cca ("netfilter: nf_tables: honor set timeout and garbage collection updates")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index dff7e507d03a5..f493f4351ca52 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -6288,7 +6288,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
 			return err;
 	} else if (set->flags & NFT_SET_TIMEOUT &&
 		   !(flags & NFT_SET_ELEM_INTERVAL_END)) {
-		timeout = READ_ONCE(set->timeout);
+		timeout = set->timeout;
 	}
 
 	expiration = 0;
@@ -6395,7 +6395,7 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set,
 		if (err < 0)
 			goto err_parse_key_end;
 
-		if (timeout != READ_ONCE(set->timeout)) {
+		if (timeout != set->timeout) {
 			err = nft_set_ext_add(&tmpl, NFT_SET_EXT_TIMEOUT);
 			if (err < 0)
 				goto err_parse_key_end;