[PATCH 5.18 181/339] netfilter: nf_tables: use kfree_rcu(ptr, rcu) to release hooks in clean_net path

From: Greg Kroah-Hartman
Date: Mon Jun 13 2022 - 09:51:56 EST


From: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>

[ Upstream commit ab5e5c062f67c5ae8cd07f0632ffa62dc0e7d169 ]

Use kfree_rcu(ptr, rcu) variant instead as described by ae089831ff28
("netfilter: nf_tables: prefer kfree_rcu(ptr, rcu) variant").

Fixes: f9a43007d3f7 ("netfilter: nf_tables: double hook unregistration in netns path")
Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
net/netfilter/nf_tables_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index b6a920813005..a0981e7cb211 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -7326,7 +7326,7 @@ static void __nft_unregister_flowtable_net_hooks(struct net *net,
nf_unregister_net_hook(net, &hook->ops);
if (release_netdev) {
list_del(&hook->list);
- kfree_rcu(hook);
+ kfree_rcu(hook, rcu);
}
}
}
--
2.35.1