From 389a2cbcb7f15e2af9babdc0c63cec318537e7ed Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 20 May 2020 13:43:43 +0200 Subject: netfilter: nf_tables: add nft_flowtable_hooks_destroy() This patch adds a helper function destroy the flowtable hooks. Signed-off-by: Pablo Neira Ayuso --- net/netfilter/nf_tables_api.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'net/netfilter') diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 1505552aaa74..f5d100787ccb 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6339,6 +6339,16 @@ err_unregister_net_hooks: return err; } +static void nft_flowtable_hooks_destroy(struct list_head *hook_list) +{ + struct nft_hook *hook, *next; + + list_for_each_entry_safe(hook, next, hook_list, list) { + list_del_rcu(&hook->list); + kfree_rcu(hook, rcu); + } +} + static int nf_tables_newflowtable(struct net *net, struct sock *nlsk, struct sk_buff *skb, const struct nlmsghdr *nlh, @@ -6433,10 +6443,7 @@ static int nf_tables_newflowtable(struct net *net, struct sock *nlsk, &flowtable->hook_list, flowtable); if (err < 0) { - list_for_each_entry_safe(hook, next, &flowtable->hook_list, list) { - list_del_rcu(&hook->list); - kfree_rcu(hook, rcu); - } + nft_flowtable_hooks_destroy(&flowtable->hook_list); goto err4; } -- cgit v1.2.3