diff options
author | Phil Sutter <phil@nwl.cc> | 2023-09-29 22:19:21 +0300 |
---|---|---|
committer | Florian Westphal <fw@strlen.de> | 2023-10-10 17:34:28 +0300 |
commit | 8194d599bc01bc6e89b14af436803cf90d0a8650 (patch) | |
tree | 6ae4b96680825a6951e095c05f4a6d901c9352f2 /net | |
parent | 405c8fd62d612dd0e1d5ca59903449616453a56d (diff) | |
download | linux-8194d599bc01bc6e89b14af436803cf90d0a8650.tar.xz |
netfilter: nf_tables: Carry s_idx in nft_rule_dump_ctx
In order to move the context into struct netlink_callback's scratch
area, the latter must be unused first.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
Diffstat (limited to 'net')
-rw-r--r-- | net/netfilter/nf_tables_api.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 567c414351da..a2e6c826bd08 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3441,6 +3441,7 @@ static void audit_log_rule_reset(const struct nft_table *table, } struct nft_rule_dump_ctx { + unsigned int s_idx; char *table; char *chain; bool reset; @@ -3455,7 +3456,6 @@ static int __nf_tables_dump_rules(struct sk_buff *skb, struct nft_rule_dump_ctx *ctx = cb->data; struct net *net = sock_net(skb->sk); const struct nft_rule *rule, *prule; - unsigned int s_idx = cb->args[0]; unsigned int entries = 0; int ret = 0; u64 handle; @@ -3464,7 +3464,7 @@ static int __nf_tables_dump_rules(struct sk_buff *skb, list_for_each_entry_rcu(rule, &chain->rules, list) { if (!nft_is_active(net, rule)) goto cont_skip; - if (*idx < s_idx) + if (*idx < ctx->s_idx) goto cont; if (prule) handle = prule->handle; @@ -3498,7 +3498,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb, struct netlink_callback *cb) { const struct nfgenmsg *nfmsg = nlmsg_data(cb->nlh); - const struct nft_rule_dump_ctx *ctx = cb->data; + struct nft_rule_dump_ctx *ctx = cb->data; struct nft_table *table; const struct nft_chain *chain; unsigned int idx = 0; @@ -3547,7 +3547,7 @@ static int nf_tables_dump_rules(struct sk_buff *skb, done: rcu_read_unlock(); - cb->args[0] = idx; + ctx->s_idx = idx; return skb->len; } |