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path: root/target/linux/generic/backport-4.14/040-v4.17-0001-mtd-move-code-adding-master-MTD-out-of-mtd_add_devic.patch

	Commit message (Expand)	Author	Age	Files	Lines
*	kernel: backport patches simplifying mtd_device_parse_register code	Rafał Miłecki	2018-02-19	1	-0/+74

generated by cgit v1.2.3 (git 2.25.1) at 2024-09-10 06:43:51 +0000

From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Sat, 9 Dec 2017 15:43:17 +0100
Subject: [PATCH] netfilter: nf_tables: remove hooks from family definition

They don't belong to the family definition, move them to the filter
chain type definition instead.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -876,7 +876,7 @@ enum nft_chain_type {
  * 	@family: address family
  * 	@owner: module owner
  * 	@hook_mask: mask of valid hooks
- * 	@hooks: hookfn overrides
+ * 	@hooks: array of hook functions
  */
 struct nf_chain_type {
 	const char			*name;
@@ -970,7 +970,6 @@ enum nft_af_flags {
  *	@owner: module owner
  *	@tables: used internally
  *	@flags: family flags
- *	@hooks: hookfn overrides for packet validation
  */
 struct nft_af_info {
 	struct list_head		list;
@@ -979,7 +978,6 @@ struct nft_af_info {
 	struct module			*owner;
 	struct list_head		tables;
 	u32				flags;
-	nf_hookfn			*hooks[NF_MAX_HOOKS];
 };
 
 int nft_register_afinfo(struct net *, struct nft_af_info *);
--- a/net/bridge/netfilter/nf_tables_bridge.c
+++ b/net/bridge/netfilter/nf_tables_bridge.c
@@ -46,13 +46,6 @@ static struct nft_af_info nft_af_bridge
 	.family		= NFPROTO_BRIDGE,
 	.nhooks		= NF_BR_NUMHOOKS,
 	.owner		= THIS_MODULE,
-	.hooks		= {
-		[NF_BR_PRE_ROUTING]	= nft_do_chain_bridge,
-		[NF_BR_LOCAL_IN]	= nft_do_chain_bridge,
-		[NF_BR_FORWARD]		= nft_do_chain_bridge,
-		[NF_BR_LOCAL_OUT]	= nft_do_chain_bridge,
-		[NF_BR_POST_ROUTING]	= nft_do_chain_bridge,
-	},
 };
 
 static int nf_tables_bridge_init_net(struct net *net)
@@ -93,6 +86,13 @@ static const struct nf_chain_type filter
 			  (1 << NF_BR_FORWARD) |
 			  (1 << NF_BR_LOCAL_OUT) |
 			  (1 << NF_BR_POST_ROUTING),
+	.hooks		= {
+		[NF_BR_PRE_ROUTING]	= nft_do_chain_bridge,
+		[NF_BR_LOCAL_IN]	= nft_do_chain_bridge,
+		[NF_BR_FORWARD]		= nft_do_chain_bridge,
+		[NF_BR_LOCAL_OUT]	= nft_do_chain_bridge,
+		[NF_BR_POST_ROUTING]	= nft_do_chain_bridge,
+	},
 };
 
 static int __init nf_tables_bridge_init(void)
--- a/net/ipv4/netfilter/nf_tables_arp.c
+++ b/net/ipv4/netfilter/nf_tables_arp.c
@@ -31,10 +31,6 @@ static struct nft_af_info nft_af_arp __r
 	.family		= NFPROTO_ARP,
 	.nhooks		= NF_ARP_NUMHOOKS,
 	.owner		= THIS_MODULE,
-	.hooks		= {
-		[NF_ARP_IN]		= nft_do_chain_arp,
-		[NF_ARP_OUT]		= nft_do_chain_arp,
-	},
 };
 
 static int nf_tables_arp_init_net(struct net *net)
@@ -72,6 +68,10 @@ static const struct nf_chain_type filter
 	.owner		= THIS_MODULE,
 	.hook_mask	= (1 << NF_ARP_IN) |
 			  (1 << NF_ARP_OUT),
+	.hooks		= {
+		[NF_ARP_IN]		= nft_do_chain_arp,
+		[NF_ARP_OUT]		= nft_do_chain_arp,
+	},
 };
 
 static int __init nf_tables_arp_init(void)
--- a/net/ipv4/netfilter/nf_tables_ipv4.c
+++ b/net/ipv4/netfilter/nf_tables_ipv4.c
@@ -49,13 +49,6 @@ static struct nft_af_info nft_af_ipv4 __
 	.family		= NFPROTO_IPV4,
 	.nhooks		= NF_INET_NUMHOOKS,
 	.owner		= THIS_MODULE,
-	.hooks		= {
-		[NF_INET_LOCAL_IN]	= nft_do_chain_ipv4,
-		[NF_INET_LOCAL_OUT]	= nft_ipv4_output,
-		[NF_INET_FORWARD]	= nft_do_chain_ipv4,
-		[NF_INET_PRE_ROUTING]	= nft_do_chain_ipv4,
-		[NF_INET_POST_ROUTING]	= nft_do_chain_ipv4,
-	},
 };
 
 static int nf_tables_ipv4_init_net(struct net *net)
@@ -96,6 +89,13 @@ static const struct nf_chain_type filter
 			  (1 << NF_INET_FORWARD) |
 			  (1 << NF_INET_PRE_ROUTING) |
 			  (1 << NF_INET_POST_ROUTING),
+	.hooks		= {
+		[NF_INET_LOCAL_IN]	= nft_do_chain_ipv4,
+		[NF_INET_LOCAL_OUT]	= nft_ipv4_output,
+		[NF_INET_FORWARD]	= nft_do_chain_ipv4,
+		[NF_INET_PRE_ROUTING]	= nft_do_chain_ipv4,
+		[NF_INET_POST_ROUTING]	= nft_do_chain_ipv4,
+	},
 };
 
 static int __init nf_tables_ipv4_init(void)
--- a/net/ipv6/netfilter/nf_tables_ipv6.c
+++ b/net/ipv6/netfilter/nf_tables_ipv6.c
@@ -46,13 +46,6 @@ static struct nft_af_info nft_af_ipv6 __
 	.family		= NFPROTO_IPV6,
 	.nhooks		= NF_INET_NUMHOOKS,
 	.owner		= THIS_MODULE,
-	.hooks		= {
-		[NF_INET_LOCAL_IN]	= nft_do_chain_ipv6,
-		[NF_INET_LOCAL_OUT]	= nft_ipv6_output,
-		[NF_INET_FORWARD]	= nft_do_chain_ipv6,
-		[NF_INET_PRE_ROUTING]	= nft_do_chain_ipv6,
-		[NF_INET_POST_ROUTING]	= nft_do_chain_ipv6,
-	},
 };
 
 static int nf_tables_ipv6_init_net(struct net *net)
@@ -93,6 +86,13 @@ static const struct nf_chain_type filter
 			  (1 << NF_INET_FORWARD) |
 			  (1 << NF_INET_PRE_ROUTING) |
 			  (1 << NF_INET_POST_ROUTING),
+	.hooks		= {
+		[NF_INET_LOCAL_IN]	= nft_do_chain_ipv6,
+		[NF_INET_LOCAL_OUT]	= nft_ipv6_output,
+		[NF_INET_FORWARD]	= nft_do_chain_ipv6,
+		[NF_INET_PRE_ROUTING]	= nft_do_chain_ipv6,
+		[NF_INET_POST_ROUTING]	= nft_do_chain_ipv6,
+	},
 };
 
 static int __init nf_tables_ipv6_init(void)
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -1398,7 +1398,6 @@ static int nf_tables_addchain(struct nft
 	if (nla[NFTA_CHAIN_HOOK]) {
 		struct nft_chain_hook hook;
 		struct nf_hook_ops *ops;
-		nf_hookfn *hookfn;
 
 		err = nft_chain_parse_hook(net, nla, afi, &hook, create);
 		if (err < 0)
@@ -1424,7 +1423,6 @@ static int nf_tables_addchain(struct nft
 			static_branch_inc(&nft_counters_enabled);
 		}
 
-		hookfn = hook.type->hooks[hook.num];
 		basechain->type = hook.type;
 		chain = &basechain->chain;
 
@@ -1433,10 +1431,8 @@ static int nf_tables_addchain(struct nft
 		ops->hooknum	= hook.num;
 		ops->priority	= hook.priority;
 		ops->priv	= chain;
-		ops->hook	= afi->hooks[ops->hooknum];
+		ops->hook	= hook.type->hooks[ops->hooknum];
 		ops->dev	= hook.dev;
-		if (hookfn)
-			ops->hook = hookfn;
 
 		if (basechain->type->type == NFT_CHAIN_T_NAT)
 			ops->nat_hook = true;
--- a/net/netfilter/nf_tables_inet.c
+++ b/net/netfilter/nf_tables_inet.c
@@ -74,13 +74,6 @@ static struct nft_af_info nft_af_inet __
 	.family		= NFPROTO_INET,
 	.nhooks		= NF_INET_NUMHOOKS,
 	.owner		= THIS_MODULE,
-	.hooks		= {
-		[NF_INET_LOCAL_IN]	= nft_do_chain_inet,
-		[NF_INET_LOCAL_OUT]	= nft_inet_output,
-		[NF_INET_FORWARD]	= nft_do_chain_inet,
-		[NF_INET_PRE_ROUTING]	= nft_do_chain_inet,
-		[NF_INET_POST_ROUTING]	= nft_do_chain_inet,
-        },
 };
 
 static int __net_init nf_tables_inet_init_net(struct net *net)
@@ -121,6 +114,13 @@ static const struct nf_chain_type filter
 			  (1 << NF_INET_FORWARD) |
 			  (1 << NF_INET_PRE_ROUTING) |
 			  (1 << NF_INET_POST_ROUTING),
+	.hooks		= {
+		[NF_INET_LOCAL_IN]	= nft_do_chain_inet,
+		[NF_INET_LOCAL_OUT]	= nft_inet_output,
+		[NF_INET_FORWARD]	= nft_do_chain_inet,
+		[NF_INET_PRE_ROUTING]	= nft_do_chain_inet,
+		[NF_INET_POST_ROUTING]	= nft_do_chain_inet,
+        },
 };
 
 static int __init nf_tables_inet_init(void)
--- a/net/netfilter/nf_tables_netdev.c
+++ b/net/netfilter/nf_tables_netdev.c
@@ -43,9 +43,6 @@ static struct nft_af_info nft_af_netdev
 	.nhooks		= NF_NETDEV_NUMHOOKS,
 	.owner		= THIS_MODULE,
 	.flags		= NFT_AF_NEEDS_DEV,
-	.hooks		= {
-		[NF_NETDEV_INGRESS]	= nft_do_chain_netdev,
-	},
 };
 
 static int nf_tables_netdev_init_net(struct net *net)
@@ -82,6 +79,9 @@ static const struct nf_chain_type nft_fi
 	.family		= NFPROTO_NETDEV,
 	.owner		= THIS_MODULE,
 	.hook_mask	= (1 << NF_NETDEV_INGRESS),
+	.hooks		= {
+		[NF_NETDEV_INGRESS]	= nft_do_chain_netdev,
+	},
 };
 
 static void nft_netdev_event(unsigned long event, struct net_device *dev,