Thread (5 messages) flat view 5 messages, 2 authors, 2021-02-17
STALE2010d

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[PATCH net-next 2/3] netfilter: nftables: add helper function to release hooks of one single table

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: 2021-02-17 19:05:00
Also in: netfilter-devel
Subsystem: netfilter, networking [general], the rest · Maintainers: Pablo Neira Ayuso, Florian Westphal, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds 

Add a function to release the hooks of one single table.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 net/netfilter/nf_tables_api.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index c2b89116dcef..dffb4f8ef17f 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -8988,15 +8988,20 @@ int __nft_release_basechain(struct nft_ctx *ctx)
 }
 EXPORT_SYMBOL_GPL(__nft_release_basechain);
 
+static void __nft_release_hook(struct net *net, struct nft_table *table)
+{
+	struct nft_chain *chain;
+
+	list_for_each_entry(chain, &table->chains, list)
+		nf_tables_unregister_hook(net, table, chain);
+}
+
 static void __nft_release_hooks(struct net *net)
 {
 	struct nft_table *table;
-	struct nft_chain *chain;
 
-	list_for_each_entry(table, &net->nft.tables, list) {
-		list_for_each_entry(chain, &table->chains, list)
-			nf_tables_unregister_hook(net, table, chain);
-	}
+	list_for_each_entry(table, &net->nft.tables, list)
+		__nft_release_hook(net, table);
 }
 
 static void __nft_release_table(struct net *net, struct nft_table *table)
-- 
2.20.1
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