From 066286071d3542243baa68166acb779187c848b3 Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Mon, 15 Aug 2005 12:33:26 -0700 Subject: [PATCH] [NETLINK]: Add "groups" argument to netlink_kernel_create Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- drivers/w1/w1_int.c | 2 +- include/linux/netlink.h | 2 +- kernel/audit.c | 2 +- lib/kobject_uevent.c | 2 +- net/bridge/netfilter/ebt_ulog.c | 3 ++- net/core/rtnetlink.c | 3 ++- net/decnet/netfilter/dn_rtmsg.c | 4 ++-- net/ipv4/fib_frontend.c | 2 +- net/ipv4/inet_diag.c | 2 +- net/ipv4/netfilter/ip_queue.c | 2 +- net/ipv4/netfilter/ipt_ULOG.c | 3 ++- net/ipv6/netfilter/ip6_queue.c | 3 ++- net/netfilter/nfnetlink.c | 4 ++-- net/netlink/af_netlink.c | 6 ++++-- net/xfrm/xfrm_user.c | 4 ++-- security/selinux/netlink.c | 3 ++- 16 files changed, 27 insertions(+), 20 deletions(-) diff --git a/drivers/w1/w1_int.c b/drivers/w1/w1_int.c index f3f339d057f9..498ad505fa5f 100644 --- a/drivers/w1/w1_int.c +++ b/drivers/w1/w1_int.c @@ -88,7 +88,7 @@ static struct w1_master * w1_alloc_dev(u32 id, int slave_count, int slave_ttl, dev->groups = 1; dev->seq = 1; - dev->nls = netlink_kernel_create(NETLINK_W1, NULL, THIS_MODULE); + dev->nls = netlink_kernel_create(NETLINK_W1, 1, NULL, THIS_MODULE); if (!dev->nls) { printk(KERN_ERR "Failed to create new netlink socket(%u) for w1 master %s.\n", NETLINK_NFLOG, dev->dev.bus_id); diff --git a/include/linux/netlink.h b/include/linux/netlink.h index 36a40449f9f1..7d1d9683b246 100644 --- a/include/linux/netlink.h +++ b/include/linux/netlink.h @@ -125,7 +125,7 @@ struct netlink_skb_parms #define NETLINK_CREDS(skb) (&NETLINK_CB((skb)).creds) -extern struct sock *netlink_kernel_create(int unit, void (*input)(struct sock *sk, int len), struct module *module); +extern struct sock *netlink_kernel_create(int unit, unsigned int groups, void (*input)(struct sock *sk, int len), struct module *module); extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err); extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock); extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid, diff --git a/kernel/audit.c b/kernel/audit.c index ed4019563d56..7f0699790d46 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -514,7 +514,7 @@ static int __init audit_init(void) { printk(KERN_INFO "audit: initializing netlink socket (%s)\n", audit_default ? "enabled" : "disabled"); - audit_sock = netlink_kernel_create(NETLINK_AUDIT, audit_receive, + audit_sock = netlink_kernel_create(NETLINK_AUDIT, 0, audit_receive, THIS_MODULE); if (!audit_sock) audit_panic("cannot initialize netlink socket"); diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c index 1ebd735d6439..04ca4429ddfa 100644 --- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -154,7 +154,7 @@ EXPORT_SYMBOL_GPL(kobject_uevent_atomic); static int __init kobject_uevent_init(void) { - uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, NULL, + uevent_sock = netlink_kernel_create(NETLINK_KOBJECT_UEVENT, 1, NULL, THIS_MODULE); if (!uevent_sock) { 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; diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c index 20f481015db4..e203883406dd 100644 --- a/security/selinux/netlink.c +++ b/security/selinux/netlink.c @@ -104,7 +104,8 @@ void selnl_notify_policyload(u32 seqno) static int __init selnl_init(void) { - selnl = netlink_kernel_create(NETLINK_SELINUX, NULL, THIS_MODULE); + selnl = netlink_kernel_create(NETLINK_SELINUX, SELNLGRP_MAX, NULL, + THIS_MODULE); if (selnl == NULL) panic("SELinux: Cannot create netlink socket."); netlink_set_nonroot(NETLINK_SELINUX, NL_NONROOT_RECV); -- 2.20.1