From e8d48d7b41ec09eb67f69a2bed04628870ec85c3 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Fri, 10 Jul 2020 21:37:38 +0200 Subject: nft: cache: Introduce nft_cache_add_chain() This is a convenience function for adding a chain to cache, for now just a simple wrapper around nftnl_chain_list_add_tail(). Signed-off-by: Phil Sutter --- iptables/nft-cache.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'iptables/nft-cache.c') diff --git a/iptables/nft-cache.c b/iptables/nft-cache.c index 32cfd6cf..afa655d7 100644 --- a/iptables/nft-cache.c +++ b/iptables/nft-cache.c @@ -165,6 +165,13 @@ static int fetch_table_cache(struct nft_handle *h) return 1; } +int nft_cache_add_chain(struct nft_handle *h, const struct builtin_table *t, + struct nftnl_chain *c) +{ + nftnl_chain_list_add_tail(c, h->cache->table[t->type].chains); + return 0; +} + struct nftnl_chain_list_cb_data { struct nft_handle *h; const struct builtin_table *t; @@ -174,7 +181,6 @@ static int nftnl_chain_list_cb(const struct nlmsghdr *nlh, void *data) { struct nftnl_chain_list_cb_data *d = data; const struct builtin_table *t = d->t; - struct nftnl_chain_list *list; struct nft_handle *h = d->h; struct nftnl_chain *c; const char *tname; @@ -196,8 +202,8 @@ static int nftnl_chain_list_cb(const struct nlmsghdr *nlh, void *data) goto out; } - list = h->cache->table[t->type].chains; - nftnl_chain_list_add_tail(c, list); + if (nft_cache_add_chain(h, t, c)) + goto out; return MNL_CB_OK; out: -- cgit v1.2.3