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Message-Id: <20240905232920.5481-6-pablo@netfilter.org>
Date: Fri, 6 Sep 2024 01:29:09 +0200
From: Pablo Neira Ayuso <pablo@...filter.org>
To: netfilter-devel@...r.kernel.org
Cc: davem@...emloft.net,
netdev@...r.kernel.org,
kuba@...nel.org,
pabeni@...hat.com,
edumazet@...gle.com,
fw@...len.de
Subject: [PATCH net-next 05/16] netfilter: nf_tables: drop unused 3rd argument from validate callback ops
From: Florian Westphal <fw@...len.de>
Since commit a654de8fdc18 ("netfilter: nf_tables: fix chain dependency validation")
the validate() callback no longer needs the return pointer argument.
Signed-off-by: Florian Westphal <fw@...len.de>
Signed-off-by: Pablo Neira Ayuso <pablo@...filter.org>
---
include/net/netfilter/nf_tables.h | 3 +--
include/net/netfilter/nft_fib.h | 4 +---
include/net/netfilter/nft_meta.h | 3 +--
include/net/netfilter/nft_reject.h | 3 +--
net/bridge/netfilter/nft_meta_bridge.c | 5 ++---
net/bridge/netfilter/nft_reject_bridge.c | 3 +--
net/netfilter/nf_tables_api.c | 3 +--
net/netfilter/nft_compat.c | 6 ++----
net/netfilter/nft_fib.c | 3 +--
net/netfilter/nft_flow_offload.c | 3 +--
net/netfilter/nft_fwd_netdev.c | 3 +--
net/netfilter/nft_immediate.c | 3 +--
net/netfilter/nft_lookup.c | 3 +--
net/netfilter/nft_masq.c | 3 +--
net/netfilter/nft_meta.c | 6 ++----
net/netfilter/nft_nat.c | 3 +--
net/netfilter/nft_osf.c | 3 +--
net/netfilter/nft_queue.c | 3 +--
net/netfilter/nft_redir.c | 3 +--
net/netfilter/nft_reject.c | 3 +--
net/netfilter/nft_reject_inet.c | 3 +--
net/netfilter/nft_reject_netdev.c | 3 +--
net/netfilter/nft_rt.c | 3 +--
net/netfilter/nft_socket.c | 3 +--
net/netfilter/nft_synproxy.c | 3 +--
net/netfilter/nft_tproxy.c | 3 +--
net/netfilter/nft_xfrm.c | 3 +--
27 files changed, 30 insertions(+), 60 deletions(-)
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 1cc33d946d41..7cd60ea7cdee 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -961,8 +961,7 @@ struct nft_expr_ops {
const struct nft_expr *expr,
bool reset);
int (*validate)(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data);
+ const struct nft_expr *expr);
bool (*reduce)(struct nft_regs_track *track,
const struct nft_expr *expr);
bool (*gc)(struct net *net,
diff --git a/include/net/netfilter/nft_fib.h b/include/net/netfilter/nft_fib.h
index 167640b843ef..38cae7113de4 100644
--- a/include/net/netfilter/nft_fib.h
+++ b/include/net/netfilter/nft_fib.h
@@ -21,9 +21,7 @@ nft_fib_is_loopback(const struct sk_buff *skb, const struct net_device *in)
int nft_fib_dump(struct sk_buff *skb, const struct nft_expr *expr, bool reset);
int nft_fib_init(const struct nft_ctx *ctx, const struct nft_expr *expr,
const struct nlattr * const tb[]);
-int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
- const struct nft_data **data);
-
+int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr);
void nft_fib4_eval_type(const struct nft_expr *expr, struct nft_regs *regs,
const struct nft_pktinfo *pkt);
diff --git a/include/net/netfilter/nft_meta.h b/include/net/netfilter/nft_meta.h
index ba1238f12a48..d602263590fe 100644
--- a/include/net/netfilter/nft_meta.h
+++ b/include/net/netfilter/nft_meta.h
@@ -41,8 +41,7 @@ void nft_meta_set_destroy(const struct nft_ctx *ctx,
const struct nft_expr *expr);
int nft_meta_set_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data);
+ const struct nft_expr *expr);
bool nft_meta_get_reduce(struct nft_regs_track *track,
const struct nft_expr *expr);
diff --git a/include/net/netfilter/nft_reject.h b/include/net/netfilter/nft_reject.h
index 6d9ba62efd75..19060212988a 100644
--- a/include/net/netfilter/nft_reject.h
+++ b/include/net/netfilter/nft_reject.h
@@ -15,8 +15,7 @@ struct nft_reject {
extern const struct nla_policy nft_reject_policy[];
int nft_reject_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data);
+ const struct nft_expr *expr);
int nft_reject_init(const struct nft_ctx *ctx,
const struct nft_expr *expr,
diff --git a/net/bridge/netfilter/nft_meta_bridge.c b/net/bridge/netfilter/nft_meta_bridge.c
index 4d8e15927217..d12a221366d6 100644
--- a/net/bridge/netfilter/nft_meta_bridge.c
+++ b/net/bridge/netfilter/nft_meta_bridge.c
@@ -168,8 +168,7 @@ static bool nft_meta_bridge_set_reduce(struct nft_regs_track *track,
}
static int nft_meta_bridge_set_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
struct nft_meta *priv = nft_expr_priv(expr);
unsigned int hooks;
@@ -179,7 +178,7 @@ static int nft_meta_bridge_set_validate(const struct nft_ctx *ctx,
hooks = 1 << NF_BR_PRE_ROUTING;
break;
default:
- return nft_meta_set_validate(ctx, expr, data);
+ return nft_meta_set_validate(ctx, expr);
}
return nft_chain_validate_hooks(ctx->chain, hooks);
diff --git a/net/bridge/netfilter/nft_reject_bridge.c b/net/bridge/netfilter/nft_reject_bridge.c
index 71b54fed7263..1cb5c16e97b7 100644
--- a/net/bridge/netfilter/nft_reject_bridge.c
+++ b/net/bridge/netfilter/nft_reject_bridge.c
@@ -170,8 +170,7 @@ static void nft_reject_bridge_eval(const struct nft_expr *expr,
}
static int nft_reject_bridge_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
return nft_chain_validate_hooks(ctx->chain, (1 << NF_BR_PRE_ROUTING) |
(1 << NF_BR_LOCAL_IN));
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 904f2e25b4a4..b6547fe22bd8 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -3886,7 +3886,6 @@ static void nf_tables_rule_release(const struct nft_ctx *ctx, struct nft_rule *r
int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain)
{
struct nft_expr *expr, *last;
- const struct nft_data *data;
struct nft_rule *rule;
int err;
@@ -3907,7 +3906,7 @@ int nft_chain_validate(const struct nft_ctx *ctx, const struct nft_chain *chain)
/* This may call nft_chain_validate() recursively,
* callers that do so must increment ctx->level.
*/
- err = expr->ops->validate(ctx, expr, &data);
+ err = expr->ops->validate(ctx, expr);
if (err < 0)
return err;
}
diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c
index d3d11dede545..52cdfee17f73 100644
--- a/net/netfilter/nft_compat.c
+++ b/net/netfilter/nft_compat.c
@@ -350,8 +350,7 @@ static int nft_target_dump(struct sk_buff *skb,
}
static int nft_target_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
struct xt_target *target = expr->ops->data;
unsigned int hook_mask = 0;
@@ -611,8 +610,7 @@ static int nft_match_large_dump(struct sk_buff *skb,
}
static int nft_match_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
struct xt_match *match = expr->ops->data;
unsigned int hook_mask = 0;
diff --git a/net/netfilter/nft_fib.c b/net/netfilter/nft_fib.c
index b58f62195ff3..96e02a83c045 100644
--- a/net/netfilter/nft_fib.c
+++ b/net/netfilter/nft_fib.c
@@ -26,8 +26,7 @@ const struct nla_policy nft_fib_policy[NFTA_FIB_MAX + 1] = {
};
EXPORT_SYMBOL(nft_fib_policy);
-int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
- const struct nft_data **data)
+int nft_fib_validate(const struct nft_ctx *ctx, const struct nft_expr *expr)
{
const struct nft_fib *priv = nft_expr_priv(expr);
unsigned int hooks;
diff --git a/net/netfilter/nft_flow_offload.c b/net/netfilter/nft_flow_offload.c
index ab9576098701..9dcd1548df9d 100644
--- a/net/netfilter/nft_flow_offload.c
+++ b/net/netfilter/nft_flow_offload.c
@@ -380,8 +380,7 @@ static void nft_flow_offload_eval(const struct nft_expr *expr,
}
static int nft_flow_offload_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
unsigned int hook_mask = (1 << NF_INET_FORWARD);
diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
index c83a794025f9..152a9fb4d23a 100644
--- a/net/netfilter/nft_fwd_netdev.c
+++ b/net/netfilter/nft_fwd_netdev.c
@@ -204,8 +204,7 @@ static int nft_fwd_neigh_dump(struct sk_buff *skb,
}
static int nft_fwd_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS) |
(1 << NF_NETDEV_EGRESS));
diff --git a/net/netfilter/nft_immediate.c b/net/netfilter/nft_immediate.c
index ac2422c215e5..02ee5fb69871 100644
--- a/net/netfilter/nft_immediate.c
+++ b/net/netfilter/nft_immediate.c
@@ -244,8 +244,7 @@ static int nft_immediate_dump(struct sk_buff *skb,
}
static int nft_immediate_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **d)
+ const struct nft_expr *expr)
{
const struct nft_immediate_expr *priv = nft_expr_priv(expr);
struct nft_ctx *pctx = (struct nft_ctx *)ctx;
diff --git a/net/netfilter/nft_lookup.c b/net/netfilter/nft_lookup.c
index 580e4b1deb9b..63ef832b8aa7 100644
--- a/net/netfilter/nft_lookup.c
+++ b/net/netfilter/nft_lookup.c
@@ -206,8 +206,7 @@ static int nft_lookup_dump(struct sk_buff *skb,
}
static int nft_lookup_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **d)
+ const struct nft_expr *expr)
{
const struct nft_lookup *priv = nft_expr_priv(expr);
struct nft_set_iter iter;
diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c
index cb43c72a8c2a..868bd4d73555 100644
--- a/net/netfilter/nft_masq.c
+++ b/net/netfilter/nft_masq.c
@@ -27,8 +27,7 @@ static const struct nla_policy nft_masq_policy[NFTA_MASQ_MAX + 1] = {
};
static int nft_masq_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
int err;
diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c
index 0214ad1ced2f..8c8eb14d647b 100644
--- a/net/netfilter/nft_meta.c
+++ b/net/netfilter/nft_meta.c
@@ -581,8 +581,7 @@ static int nft_meta_get_validate_xfrm(const struct nft_ctx *ctx)
}
static int nft_meta_get_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
const struct nft_meta *priv = nft_expr_priv(expr);
@@ -600,8 +599,7 @@ static int nft_meta_get_validate(const struct nft_ctx *ctx,
}
int nft_meta_set_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
struct nft_meta *priv = nft_expr_priv(expr);
unsigned int hooks;
diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c
index 983dd937fe02..6e21f72c5b57 100644
--- a/net/netfilter/nft_nat.c
+++ b/net/netfilter/nft_nat.c
@@ -137,8 +137,7 @@ static const struct nla_policy nft_nat_policy[NFTA_NAT_MAX + 1] = {
};
static int nft_nat_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
struct nft_nat *priv = nft_expr_priv(expr);
int err;
diff --git a/net/netfilter/nft_osf.c b/net/netfilter/nft_osf.c
index 7fec57ff736f..1c0b493ef0a9 100644
--- a/net/netfilter/nft_osf.c
+++ b/net/netfilter/nft_osf.c
@@ -108,8 +108,7 @@ static int nft_osf_dump(struct sk_buff *skb,
}
static int nft_osf_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
unsigned int hooks;
diff --git a/net/netfilter/nft_queue.c b/net/netfilter/nft_queue.c
index 44e6817e6e29..344fe311878f 100644
--- a/net/netfilter/nft_queue.c
+++ b/net/netfilter/nft_queue.c
@@ -69,8 +69,7 @@ static void nft_queue_sreg_eval(const struct nft_expr *expr,
}
static int nft_queue_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
static const unsigned int supported_hooks = ((1 << NF_INET_PRE_ROUTING) |
(1 << NF_INET_LOCAL_IN) |
diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c
index 6568cc264078..95eedad85c83 100644
--- a/net/netfilter/nft_redir.c
+++ b/net/netfilter/nft_redir.c
@@ -27,8 +27,7 @@ static const struct nla_policy nft_redir_policy[NFTA_REDIR_MAX + 1] = {
};
static int nft_redir_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
int err;
diff --git a/net/netfilter/nft_reject.c b/net/netfilter/nft_reject.c
index ed2e668474d6..196a92c7ea09 100644
--- a/net/netfilter/nft_reject.c
+++ b/net/netfilter/nft_reject.c
@@ -24,8 +24,7 @@ const struct nla_policy nft_reject_policy[NFTA_REJECT_MAX + 1] = {
EXPORT_SYMBOL_GPL(nft_reject_policy);
int nft_reject_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
return nft_chain_validate_hooks(ctx->chain,
(1 << NF_INET_LOCAL_IN) |
diff --git a/net/netfilter/nft_reject_inet.c b/net/netfilter/nft_reject_inet.c
index 973fa31a9dd6..49020e67304a 100644
--- a/net/netfilter/nft_reject_inet.c
+++ b/net/netfilter/nft_reject_inet.c
@@ -61,8 +61,7 @@ static void nft_reject_inet_eval(const struct nft_expr *expr,
}
static int nft_reject_inet_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
return nft_chain_validate_hooks(ctx->chain,
(1 << NF_INET_LOCAL_IN) |
diff --git a/net/netfilter/nft_reject_netdev.c b/net/netfilter/nft_reject_netdev.c
index 7865cd8b11bb..2558ce1505d9 100644
--- a/net/netfilter/nft_reject_netdev.c
+++ b/net/netfilter/nft_reject_netdev.c
@@ -145,8 +145,7 @@ static void nft_reject_netdev_eval(const struct nft_expr *expr,
}
static int nft_reject_netdev_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
return nft_chain_validate_hooks(ctx->chain, (1 << NF_NETDEV_INGRESS));
}
diff --git a/net/netfilter/nft_rt.c b/net/netfilter/nft_rt.c
index 14d88394bcb7..dc50b9a5bd68 100644
--- a/net/netfilter/nft_rt.c
+++ b/net/netfilter/nft_rt.c
@@ -160,8 +160,7 @@ static int nft_rt_get_dump(struct sk_buff *skb,
return -1;
}
-static int nft_rt_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
- const struct nft_data **data)
+static int nft_rt_validate(const struct nft_ctx *ctx, const struct nft_expr *expr)
{
const struct nft_rt *priv = nft_expr_priv(expr);
unsigned int hooks;
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index f30163e2ca62..947566dba1ea 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -239,8 +239,7 @@ static bool nft_socket_reduce(struct nft_regs_track *track,
}
static int nft_socket_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
if (ctx->family != NFPROTO_IPV4 &&
ctx->family != NFPROTO_IPV6 &&
diff --git a/net/netfilter/nft_synproxy.c b/net/netfilter/nft_synproxy.c
index 1d737f89dfc1..5d3e51825985 100644
--- a/net/netfilter/nft_synproxy.c
+++ b/net/netfilter/nft_synproxy.c
@@ -248,8 +248,7 @@ static void nft_synproxy_eval(const struct nft_expr *expr,
}
static int nft_synproxy_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
if (ctx->family != NFPROTO_IPV4 &&
ctx->family != NFPROTO_IPV6 &&
diff --git a/net/netfilter/nft_tproxy.c b/net/netfilter/nft_tproxy.c
index 1b691393d8b1..50481280abd2 100644
--- a/net/netfilter/nft_tproxy.c
+++ b/net/netfilter/nft_tproxy.c
@@ -313,8 +313,7 @@ static int nft_tproxy_dump(struct sk_buff *skb,
}
static int nft_tproxy_validate(const struct nft_ctx *ctx,
- const struct nft_expr *expr,
- const struct nft_data **data)
+ const struct nft_expr *expr)
{
if (ctx->family != NFPROTO_IPV4 &&
ctx->family != NFPROTO_IPV6 &&
diff --git a/net/netfilter/nft_xfrm.c b/net/netfilter/nft_xfrm.c
index 1c866757db55..8a07b46cc8fb 100644
--- a/net/netfilter/nft_xfrm.c
+++ b/net/netfilter/nft_xfrm.c
@@ -229,8 +229,7 @@ static int nft_xfrm_get_dump(struct sk_buff *skb,
return 0;
}
-static int nft_xfrm_validate(const struct nft_ctx *ctx, const struct nft_expr *expr,
- const struct nft_data **data)
+static int nft_xfrm_validate(const struct nft_ctx *ctx, const struct nft_expr *expr)
{
const struct nft_xfrm *priv = nft_expr_priv(expr);
unsigned int hooks;
--
2.30.2
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