net: spread __net_init, __net_exit

__net_init/__net_exit are apparently not going away, so use them
to full extent.

In some cases __net_init was removed, because it was called from
__net_exit code.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

19 files changed, 53 insertions, 57 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index de7a194a64ab..1593289155ff 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3027,14 +3027,14 @@ static const struct file_operations if6_fops = {
 	.release	= seq_release_net,
 };
 
-static int if6_proc_net_init(struct net *net)
+static int __net_init if6_proc_net_init(struct net *net)
 {
 	if (!proc_net_fops_create(net, "if_inet6", S_IRUGO, &if6_fops))
 		return -ENOMEM;
 	return 0;
 }
 
-static void if6_proc_net_exit(struct net *net)
+static void __net_exit if6_proc_net_exit(struct net *net)
 {
        proc_net_remove(net, "if_inet6");
 }
@@ -4418,7 +4418,7 @@ static void addrconf_sysctl_unregister(struct inet6_dev *idev)
 
 #endif
 
-static int addrconf_init_net(struct net *net)
+static int __net_init addrconf_init_net(struct net *net)
 {
 	int err;
 	struct ipv6_devconf *all, *dflt;
@@ -4467,7 +4467,7 @@ err_alloc_all:
 	return err;
 }
 
-static void addrconf_exit_net(struct net *net)
+static void __net_exit addrconf_exit_net(struct net *net)
 {
 #ifdef CONFIG_SYSCTL
 	__addrconf_sysctl_unregister(net->ipv6.devconf_dflt);
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 12e69d364dd5..e29160ff4a0f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -999,7 +999,7 @@ err_udplite_mib:
 	return -ENOMEM;
 }
 
-static void __net_exit ipv6_cleanup_mibs(struct net *net)
+static void ipv6_cleanup_mibs(struct net *net)
 {
 	snmp_mib_free((void **)net->mib.udp_stats_in6);
 	snmp_mib_free((void **)net->mib.udplite_stats_in6);
@@ -1042,7 +1042,7 @@ out:
 #endif
 }
 
-static void inet6_net_exit(struct net *net)
+static void __net_exit inet6_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
 	udp6_proc_exit(net);
diff --git a/net/ipv6/anycast.c b/net/ipv6/anycast.c
index f1c74c8ef9de..c4f6ca32fa74 100644
--- a/net/ipv6/anycast.c
+++ b/net/ipv6/anycast.c
@@ -538,7 +538,7 @@ static const struct file_operations ac6_seq_fops = {
 	.release	=	seq_release_net,
 };
 
-int ac6_proc_init(struct net *net)
+int __net_init ac6_proc_init(struct net *net)
 {
 	if (!proc_net_fops_create(net, "anycast6", S_IRUGO, &ac6_seq_fops))
 		return -ENOMEM;
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index b7aa7c64cc4a..551882b9dfd6 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -262,7 +262,7 @@ static struct fib_rules_ops fib6_rules_ops_template = {
 	.fro_net		= &init_net,
 };
 
-static int fib6_rules_net_init(struct net *net)
+static int __net_init fib6_rules_net_init(struct net *net)
 {
 	struct fib_rules_ops *ops;
 	int err = -ENOMEM;
@@ -291,7 +291,7 @@ out_fib6_rules_ops:
 	goto out;
 }
 
-static void fib6_rules_net_exit(struct net *net)
+static void __net_exit fib6_rules_net_exit(struct net *net)
 {
 	fib_rules_unregister(net->ipv6.fib6_rules_ops);
 }
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 4ae661bc3677..217dbc2e28d4 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -951,7 +951,7 @@ ctl_table ipv6_icmp_table_template[] = {
 	{ },
 };
 
-struct ctl_table *ipv6_icmp_sysctl_init(struct net *net)
+struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net)
 {
 	struct ctl_table *table;
 
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 0e93ca56eb69..f626ea2b304f 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -239,7 +239,7 @@ struct fib6_table *fib6_get_table(struct net *net, u32 id)
 	return NULL;
 }
 
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
 {
 	fib6_link_table(net, net->ipv6.fib6_main_tbl);
 	fib6_link_table(net, net->ipv6.fib6_local_tbl);
@@ -262,7 +262,7 @@ struct dst_entry *fib6_rule_lookup(struct net *net, struct flowi *fl,
 	return (struct dst_entry *) lookup(net, net->ipv6.fib6_main_tbl, fl, flags);
 }
 
-static void fib6_tables_init(struct net *net)
+static void __net_init fib6_tables_init(struct net *net)
 {
 	fib6_link_table(net, net->ipv6.fib6_main_tbl);
 }
@@ -1469,7 +1469,7 @@ static void fib6_gc_timer_cb(unsigned long arg)
 	fib6_run_gc(0, (struct net *)arg);
 }
 
-static int fib6_net_init(struct net *net)
+static int __net_init fib6_net_init(struct net *net)
 {
 	setup_timer(&net->ipv6.ip6_fib_timer, fib6_gc_timer_cb, (unsigned long)net);
 
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c
index 6e7bffa2205e..e41eba8aacf1 100644
--- a/net/ipv6/ip6_flowlabel.c
+++ b/net/ipv6/ip6_flowlabel.c
@@ -154,7 +154,7 @@ static void ip6_fl_gc(unsigned long dummy)
 	write_unlock(&ip6_fl_lock);
 }
 
-static void ip6_fl_purge(struct net *net)
+static void __net_exit ip6_fl_purge(struct net *net)
 {
 	int i;
 
@@ -735,7 +735,7 @@ static const struct file_operations ip6fl_seq_fops = {
 	.release	=	seq_release_net,
 };
 
-static int ip6_flowlabel_proc_init(struct net *net)
+static int __net_init ip6_flowlabel_proc_init(struct net *net)
 {
 	if (!proc_net_fops_create(net, "ip6_flowlabel",
 				  S_IRUGO, &ip6fl_seq_fops))
@@ -743,7 +743,7 @@ static int ip6_flowlabel_proc_init(struct net *net)
 	return 0;
 }
 
-static void ip6_flowlabel_proc_fini(struct net *net)
+static void __net_exit ip6_flowlabel_proc_fini(struct net *net)
 {
 	proc_net_remove(net, "ip6_flowlabel");
 }
@@ -754,11 +754,10 @@ static inline int ip6_flowlabel_proc_init(struct net *net)
 }
 static inline void ip6_flowlabel_proc_fini(struct net *net)
 {
-	return ;
 }
 #endif
 
-static inline void ip6_flowlabel_net_exit(struct net *net)
+static void __net_exit ip6_flowlabel_net_exit(struct net *net)
 {
 	ip6_fl_purge(net);
 	ip6_flowlabel_proc_fini(net);
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index d453d07b0dfe..fbd786981aa9 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -74,7 +74,6 @@ MODULE_LICENSE("GPL");
 		     (addr)->s6_addr32[2] ^ (addr)->s6_addr32[3]) & \
 		    (HASH_SIZE - 1))
 
-static void ip6_fb_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_init(struct net_device *dev);
 static void ip6_tnl_dev_setup(struct net_device *dev);
 
@@ -1364,7 +1363,7 @@ static void ip6_tnl_dev_init(struct net_device *dev)
  * Return: 0
  **/
 
-static void ip6_fb_tnl_dev_init(struct net_device *dev)
+static void __net_init ip6_fb_tnl_dev_init(struct net_device *dev)
 {
 	struct ip6_tnl *t = netdev_priv(dev);
 	struct net *net = dev_net(dev);
@@ -1388,7 +1387,7 @@ static struct xfrm6_tunnel ip6ip6_handler = {
 	.priority	=	1,
 };
 
-static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
+static void __net_exit ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 {
 	int h;
 	struct ip6_tnl *t;
@@ -1407,7 +1406,7 @@ static void ip6_tnl_destroy_tunnels(struct ip6_tnl_net *ip6n)
 	unregister_netdevice_many(&list);
 }
 
-static int ip6_tnl_init_net(struct net *net)
+static int __net_init ip6_tnl_init_net(struct net *net)
 {
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 	int err;
@@ -1436,7 +1435,7 @@ err_alloc_dev:
 	return err;
 }
 
-static void ip6_tnl_exit_net(struct net *net)
+static void __net_exit ip6_tnl_exit_net(struct net *net)
 {
 	struct ip6_tnl_net *ip6n = net_generic(net, ip6_tnl_net_id);
 
diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 1f9c44442e65..25f6cca79e6b 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -2646,7 +2646,7 @@ static const struct file_operations igmp6_mcf_seq_fops = {
 	.release	=	seq_release_net,
 };
 
-static int igmp6_proc_init(struct net *net)
+static int __net_init igmp6_proc_init(struct net *net)
 {
 	int err;
 
@@ -2666,23 +2666,22 @@ out_proc_net_igmp6:
 	goto out;
 }
 
-static void igmp6_proc_exit(struct net *net)
+static void __net_exit igmp6_proc_exit(struct net *net)
 {
 	proc_net_remove(net, "mcfilter6");
 	proc_net_remove(net, "igmp6");
 }
 #else
-static int igmp6_proc_init(struct net *net)
+static inline int igmp6_proc_init(struct net *net)
 {
 	return 0;
 }
-static void igmp6_proc_exit(struct net *net)
+static inline void igmp6_proc_exit(struct net *net)
 {
-	;
 }
 #endif
 
-static int igmp6_net_init(struct net *net)
+static int __net_init igmp6_net_init(struct net *net)
 {
 	int err;
 
@@ -2708,7 +2707,7 @@ out_sock_create:
 	goto out;
 }
 
-static void igmp6_net_exit(struct net *net)
+static void __net_exit igmp6_net_exit(struct net *net)
 {
 	inet_ctl_sock_destroy(net->ipv6.igmp_sk);
 	igmp6_proc_exit(net);
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index c45852798092..2dfec6bb8ada 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -1772,7 +1772,7 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *bu
 
 #endif
 
-static int ndisc_net_init(struct net *net)
+static int __net_init ndisc_net_init(struct net *net)
 {
 	struct ipv6_pinfo *np;
 	struct sock *sk;
@@ -1797,7 +1797,7 @@ static int ndisc_net_init(struct net *net)
 	return 0;
 }
 
-static void ndisc_net_exit(struct net *net)
+static void __net_exit ndisc_net_exit(struct net *net)
 {
 	inet_ctl_sock_destroy(net->ipv6.ndisc_sk);
 }
diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index 7b197b7132e0..02f20016b4c9 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -267,7 +267,7 @@ int snmp6_unregister_dev(struct inet6_dev *idev)
 	return 0;
 }
 
-static int ipv6_proc_init_net(struct net *net)
+static int __net_init ipv6_proc_init_net(struct net *net)
 {
 	if (!proc_net_fops_create(net, "sockstat6", S_IRUGO,
 			&sockstat6_seq_fops))
@@ -288,7 +288,7 @@ proc_dev_snmp6_fail:
 	return -ENOMEM;
 }
 
-static void ipv6_proc_exit_net(struct net *net)
+static void __net_exit ipv6_proc_exit_net(struct net *net)
 {
 	proc_net_remove(net, "sockstat6");
 	proc_net_remove(net, "dev_snmp6");
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 926ce8eeffaf..ed31c37c6e39 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -1275,7 +1275,7 @@ static const struct file_operations raw6_seq_fops = {
 	.release =	seq_release_net,
 };
 
-static int raw6_init_net(struct net *net)
+static int __net_init raw6_init_net(struct net *net)
 {
 	if (!proc_net_fops_create(net, "raw6", S_IRUGO, &raw6_seq_fops))
 		return -ENOMEM;
@@ -1283,7 +1283,7 @@ static int raw6_init_net(struct net *net)
 	return 0;
 }
 
-static void raw6_exit_net(struct net *net)
+static void __net_exit raw6_exit_net(struct net *net)
 {
 	proc_net_remove(net, "raw6");
 }
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 2cddea3bd6be..fa38fc7cc6e9 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -672,7 +672,7 @@ static struct ctl_table ip6_frags_ctl_table[] = {
 	{ }
 };
 
-static int ip6_frags_ns_sysctl_register(struct net *net)
+static int __net_init ip6_frags_ns_sysctl_register(struct net *net)
 {
 	struct ctl_table *table;
 	struct ctl_table_header *hdr;
@@ -702,7 +702,7 @@ err_alloc:
 	return -ENOMEM;
 }
 
-static void ip6_frags_ns_sysctl_unregister(struct net *net)
+static void __net_exit ip6_frags_ns_sysctl_unregister(struct net *net)
 {
 	struct ctl_table *table;
 
@@ -745,7 +745,7 @@ static inline void ip6_frags_sysctl_unregister(void)
 }
 #endif
 
-static int ipv6_frags_init_net(struct net *net)
+static int __net_init ipv6_frags_init_net(struct net *net)
 {
 	net->ipv6.frags.high_thresh = 256 * 1024;
 	net->ipv6.frags.low_thresh = 192 * 1024;
@@ -756,7 +756,7 @@ static int ipv6_frags_init_net(struct net *net)
 	return ip6_frags_ns_sysctl_register(net);
 }
 
-static void ipv6_frags_exit_net(struct net *net)
+static void __net_exit ipv6_frags_exit_net(struct net *net)
 {
 	ip6_frags_ns_sysctl_unregister(net);
 	inet_frags_exit_net(&net->ipv6.frags, &ip6_frags);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index c2bd74c5f8d9..8500156f2637 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2612,7 +2612,7 @@ ctl_table ipv6_route_table_template[] = {
 	{ }
 };
 
-struct ctl_table *ipv6_route_sysctl_init(struct net *net)
+struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net)
 {
 	struct ctl_table *table;
 
@@ -2637,7 +2637,7 @@ struct ctl_table *ipv6_route_sysctl_init(struct net *net)
 }
 #endif
 
-static int ip6_route_net_init(struct net *net)
+static int __net_init ip6_route_net_init(struct net *net)
 {
 	int ret = -ENOMEM;
 
@@ -2702,7 +2702,7 @@ out_ip6_dst_ops:
 	goto out;
 }
 
-static void ip6_route_net_exit(struct net *net)
+static void __net_exit ip6_route_net_exit(struct net *net)
 {
 #ifdef CONFIG_PROC_FS
 	proc_net_remove(net, "ipv6_route");
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 976e68244b99..10207cc8cc0e 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -62,7 +62,6 @@
 #define HASH_SIZE  16
 #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&0xF)
 
-static void ipip6_fb_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_init(struct net_device *dev);
 static void ipip6_tunnel_setup(struct net_device *dev);
 
@@ -1120,7 +1119,7 @@ static void ipip6_tunnel_init(struct net_device *dev)
 	ipip6_tunnel_bind_dev(dev);
 }
 
-static void ipip6_fb_tunnel_init(struct net_device *dev)
+static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
 {
 	struct ip_tunnel *tunnel = netdev_priv(dev);
 	struct iphdr *iph = &tunnel->parms.iph;
@@ -1145,7 +1144,7 @@ static struct xfrm_tunnel sit_handler = {
 	.priority	=	1,
 };
 
-static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
+static void __net_exit sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
 {
 	int prio;
 
@@ -1162,7 +1161,7 @@ static void sit_destroy_tunnels(struct sit_net *sitn, struct list_head *head)
 	}
 }
 
-static int sit_init_net(struct net *net)
+static int __net_init sit_init_net(struct net *net)
 {
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 	int err;
@@ -1195,7 +1194,7 @@ err_alloc_dev:
 	return err;
 }
 
-static void sit_exit_net(struct net *net)
+static void __net_exit sit_exit_net(struct net *net)
 {
 	struct sit_net *sitn = net_generic(net, sit_net_id);
 	LIST_HEAD(list);
diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c
index c690736885b4..f841d93bf987 100644
--- a/net/ipv6/sysctl_net_ipv6.c
+++ b/net/ipv6/sysctl_net_ipv6.c
@@ -55,7 +55,7 @@ struct ctl_path net_ipv6_ctl_path[] = {
 };
 EXPORT_SYMBOL_GPL(net_ipv6_ctl_path);
 
-static int ipv6_sysctl_net_init(struct net *net)
+static int __net_init ipv6_sysctl_net_init(struct net *net)
 {
 	struct ctl_table *ipv6_table;
 	struct ctl_table *ipv6_route_table;
@@ -98,7 +98,7 @@ out_ipv6_table:
 	goto out;
 }
 
-static void ipv6_sysctl_net_exit(struct net *net)
+static void __net_exit ipv6_sysctl_net_exit(struct net *net)
 {
 	struct ctl_table *ipv6_table;
 	struct ctl_table *ipv6_route_table;
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 82f2dea0e39e..6963a6b6763e 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -2113,7 +2113,7 @@ static struct tcp_seq_afinfo tcp6_seq_afinfo = {
 	},
 };
 
-int tcp6_proc_init(struct net *net)
+int __net_init tcp6_proc_init(struct net *net)
 {
 	return tcp_proc_register(net, &tcp6_seq_afinfo);
 }
@@ -2182,18 +2182,18 @@ static struct inet_protosw tcpv6_protosw = {
 				INET_PROTOSW_ICSK,
 };
 
-static int tcpv6_net_init(struct net *net)
+static int __net_init tcpv6_net_init(struct net *net)
 {
 	return inet_ctl_sock_create(&net->ipv6.tcp_sk, PF_INET6,
 				    SOCK_RAW, IPPROTO_TCP, net);
 }
 
-static void tcpv6_net_exit(struct net *net)
+static void __net_exit tcpv6_net_exit(struct net *net)
 {
 	inet_ctl_sock_destroy(net->ipv6.tcp_sk);
 }
 
-static void tcpv6_net_exit_batch(struct list_head *net_exit_list)
+static void __net_exit tcpv6_net_exit_batch(struct list_head *net_exit_list)
 {
 	inet_twsk_purge(&tcp_hashinfo, &tcp_death_row, AF_INET6);
 }
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 69ebdbe78c47..34efb3589ffa 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1396,7 +1396,7 @@ static struct udp_seq_afinfo udp6_seq_afinfo = {
 	},
 };
 
-int udp6_proc_init(struct net *net)
+int __net_init udp6_proc_init(struct net *net)
 {
 	return udp_proc_register(net, &udp6_seq_afinfo);
 }
diff --git a/net/ipv6/udplite.c b/net/ipv6/udplite.c
index 6ea6938919e6..5f48fadc27f7 100644
--- a/net/ipv6/udplite.c
+++ b/net/ipv6/udplite.c
@@ -104,12 +104,12 @@ static struct udp_seq_afinfo udplite6_seq_afinfo = {
 	},
 };
 
-static int udplite6_proc_init_net(struct net *net)
+static int __net_init udplite6_proc_init_net(struct net *net)
 {
 	return udp_proc_register(net, &udplite6_seq_afinfo);
 }
 
-static void udplite6_proc_exit_net(struct net *net)
+static void __net_exit udplite6_proc_exit_net(struct net *net)
 {
 	udp_proc_unregister(net, &udplite6_seq_afinfo);
 }