[NETLINK]: Add "groups" argument to netlink_kernel_create

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

11 files changed, 21 insertions, 15 deletions

diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 6845b5dd6d77..aae26ae2e61f 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -258,7 +258,8 @@ static int __init init(void)
 		spin_lock_init(&ulog_buffers[i].lock);
 	}
 
-	ebtulognl = netlink_kernel_create(NETLINK_NFLOG, NULL, THIS_MODULE);
+	ebtulognl = netlink_kernel_create(NETLINK_NFLOG, EBT_ULOG_MAXNLGROUPS,
+	                                  NULL, THIS_MODULE);
 	if (!ebtulognl)
 		ret = -ENOMEM;
 	else if ((ret = ebt_register_watcher(&ulog)))
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 5f3f95b5585d..9bed7569ce3f 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -708,7 +708,8 @@ void __init rtnetlink_init(void)
 	if (!rta_buf)
 		panic("rtnetlink_init: cannot allocate rta_buf\n");
 
-	rtnl = netlink_kernel_create(NETLINK_ROUTE, rtnetlink_rcv, THIS_MODULE);
+	rtnl = netlink_kernel_create(NETLINK_ROUTE, RTNLGRP_MAX, rtnetlink_rcv,
+	                             THIS_MODULE);
 	if (rtnl == NULL)
 		panic("rtnetlink_init: cannot initialize rtnetlink\n");
 	netlink_set_nonroot(NETLINK_ROUTE, NL_NONROOT_RECV);
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 353fed6888f9..afb33a25ea55 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -138,8 +138,8 @@ static int __init init(void)
 {
 	int rv = 0;
 
-	dnrmg = netlink_kernel_create(NETLINK_DNRTMSG, dnrmg_receive_user_sk,
-				      THIS_MODULE);
+	dnrmg = netlink_kernel_create(NETLINK_DNRTMSG, DNRNG_NLGRP_MAX,
+	                              dnrmg_receive_user_sk, THIS_MODULE);
 	if (dnrmg == NULL) {
 		printk(KERN_ERR "dn_rtmsg: Cannot create netlink socket");
 		return -ENOMEM;
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index d4e7b578a25d..4e1379f71269 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -566,7 +566,7 @@ static void nl_fib_input(struct sock *sk, int len)
 
 static void nl_fib_lookup_init(void)
 {
-      netlink_kernel_create(NETLINK_FIB_LOOKUP, nl_fib_input, THIS_MODULE);
+      netlink_kernel_create(NETLINK_FIB_LOOKUP, 0, nl_fib_input, THIS_MODULE);
 }
 
 static void fib_disable_ip(struct net_device *dev, int force)
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 1880ad8575d8..71f3c7350c6e 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -845,7 +845,7 @@ static int __init inet_diag_init(void)
 		goto out;
 
 	memset(inet_diag_table, 0, inet_diag_table_size);
-	idiagnl = netlink_kernel_create(NETLINK_INET_DIAG, inet_diag_rcv,
+	idiagnl = netlink_kernel_create(NETLINK_INET_DIAG, 0, inet_diag_rcv,
 					THIS_MODULE);
 	if (idiagnl == NULL)
 		goto out_free_table;
diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c
index 7f2bcc7198fa..d54f14d926f6 100644
--- a/net/ipv4/netfilter/ip_queue.c
+++ b/net/ipv4/netfilter/ip_queue.c
@@ -671,7 +671,7 @@ init_or_cleanup(int init)
 		goto cleanup;
 
 	netlink_register_notifier(&ipq_nl_notifier);
-	ipqnl = netlink_kernel_create(NETLINK_FIREWALL, ipq_rcv_sk,
+	ipqnl = netlink_kernel_create(NETLINK_FIREWALL, 0, ipq_rcv_sk,
 				      THIS_MODULE);
 	if (ipqnl == NULL) {
 		printk(KERN_ERR "ip_queue: failed to create netlink socket\n");
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 89816b83455e..e2c14f3cb2fc 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -388,7 +388,8 @@ static int __init init(void)
 		ulog_buffers[i].timer.data = i;
 	}
 
-	nflognl = netlink_kernel_create(NETLINK_NFLOG, NULL, THIS_MODULE);
+	nflognl = netlink_kernel_create(NETLINK_NFLOG, ULOG_MAXNLGROUPS, NULL,
+	                                THIS_MODULE);
 	if (!nflognl)
 		return -ENOMEM;
 
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index 446764545b10..aa11cf366efa 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -667,7 +667,8 @@ init_or_cleanup(int init)
 		goto cleanup;
 
 	netlink_register_notifier(&ipq_nl_notifier);
-	ipqnl = netlink_kernel_create(NETLINK_IP6_FW, ipq_rcv_sk, THIS_MODULE);
+	ipqnl = netlink_kernel_create(NETLINK_IP6_FW, 0, ipq_rcv_sk,
+	                              THIS_MODULE);
 	if (ipqnl == NULL) {
 		printk(KERN_ERR "ip6_queue: failed to create netlink socket\n");
 		goto cleanup_netlink_notifier;
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 36a4c5fbb7d7..e089f17bb803 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -355,8 +355,8 @@ int __init nfnetlink_init(void)
 {
 	printk("Netfilter messages via NETLINK v%s.\n", nfversion);
 
-	nfnl = netlink_kernel_create(NETLINK_NETFILTER, nfnetlink_rcv,
-				     THIS_MODULE);
+	nfnl = netlink_kernel_create(NETLINK_NETFILTER, NFNLGRP_MAX,
+	                             nfnetlink_rcv, THIS_MODULE);
 	if (!nfnl) {
 		printk(KERN_ERR "cannot initialize nfnetlink!\n");
 		return -1;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 47e791738014..e259f46e26f7 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1204,7 +1204,9 @@ static void netlink_data_ready(struct sock *sk, int len)
  */
 
 struct sock *
-netlink_kernel_create(int unit, void (*input)(struct sock *sk, int len), struct module *module)
+netlink_kernel_create(int unit, unsigned int groups,
+                      void (*input)(struct sock *sk, int len),
+                      struct module *module)
 {
 	struct socket *sock;
 	struct sock *sk;
@@ -1234,7 +1236,7 @@ netlink_kernel_create(int unit, void (*input)(struct sock *sk, int len), struct
 	nlk->flags |= NETLINK_KERNEL_SOCKET;
 
 	netlink_table_grab();
-	nl_table[unit].groups = 32;
+	nl_table[unit].groups = groups < 32 ? 32 : groups;
 	nl_table[unit].module = module;
 	nl_table[unit].registered = 1;
 	netlink_table_ungrab();
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 0579d209af27..c35336a0f71b 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -1520,8 +1520,8 @@ static int __init xfrm_user_init(void)
 {
 	printk(KERN_INFO "Initializing IPsec netlink socket\n");
 
-	xfrm_nl = netlink_kernel_create(NETLINK_XFRM, xfrm_netlink_rcv,
-					THIS_MODULE);
+	xfrm_nl = netlink_kernel_create(NETLINK_XFRM, XFRMNLGRP_MAX,
+	                                xfrm_netlink_rcv, THIS_MODULE);
 	if (xfrm_nl == NULL)
 		return -ENOMEM;