netlink: hide struct module parameter in netlink_kernel_create

This patch defines netlink_kernel_create as a wrapper function of
__netlink_kernel_create to hide the struct module *me parameter
(which seems to be THIS_MODULE in all existing netlink subsystems).

Suggested by David S. Miller.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

20 files changed, 31 insertions, 37 deletions

diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index ba2c611154af..165914e63ef2 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -500,8 +500,7 @@ static int __init crypto_user_init(void)
                 .input  = crypto_netlink_rcv,
         };
 
-        crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO,
-                                            THIS_MODULE, &cfg);
+        crypto_nlsk = netlink_kernel_create(&init_net, NETLINK_CRYPTO, &cfg);
         if (!crypto_nlsk)
                 return -ENOMEM;
 
diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c
index 82fa4f0f91d6..965b7811e04f 100644
--- a/drivers/connector/connector.c
+++ b/drivers/connector/connector.c
@@ -264,8 +264,7 @@ static int __devinit cn_init(void)
                 .input  = dev->input,
         };
 
-        dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR,
-                                         THIS_MODULE, &cfg);
+        dev->nls = netlink_kernel_create(&init_net, NETLINK_CONNECTOR, &cfg);
         if (!dev->nls)
                 return -EIO;
 
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c
index 3ae2bfd31015..fe10a949aef9 100644
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -177,7 +177,7 @@ int __init ibnl_init(void)
                 .input  = ibnl_rcv,
         };
 
-        nls = netlink_kernel_create(&init_net, NETLINK_RDMA, THIS_MODULE, &cfg);
+        nls = netlink_kernel_create(&init_net, NETLINK_RDMA, &cfg);
         if (!nls) {
                 pr_warn("Failed to create netlink socket\n");
                 return -ENOMEM;
diff --git a/drivers/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index 8818dd681c19..3252bc9625ee 100644
--- a/drivers/scsi/scsi_netlink.c
+++ b/drivers/scsi/scsi_netlink.c
@@ -501,7 +501,7 @@ scsi_netlink_init(void)
         }
 
         scsi_nl_sock = netlink_kernel_create(&init_net, NETLINK_SCSITRANSPORT,
-                                             THIS_MODULE, &cfg);
+                                             &cfg);
         if (!scsi_nl_sock) {
                 printk(KERN_ERR "%s: register of receive handler failed\n",
                                 __func__);
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index fa1dfaa83e32..519bd5303f3f 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2969,8 +2969,7 @@ static __init int iscsi_transport_init(void)
         if (err)
                 goto unregister_conn_class;
 
-        nls = netlink_kernel_create(&init_net, NETLINK_ISCSI,
-                                    THIS_MODULE, &cfg);
+        nls = netlink_kernel_create(&init_net, NETLINK_ISCSI, &cfg);
         if (!nls) {
                 err = -ENOBUFS;
                 goto unregister_session_class;
diff --git a/drivers/staging/gdm72xx/netlink_k.c b/drivers/staging/gdm72xx/netlink_k.c
index 3abb31df8f28..2109cab0a14c 100644
--- a/drivers/staging/gdm72xx/netlink_k.c
+++ b/drivers/staging/gdm72xx/netlink_k.c
@@ -95,7 +95,7 @@ struct sock *netlink_init(int unit, void (*cb)(struct net_device *dev, u16 type,
         init_MUTEX(&netlink_mutex);
 #endif
 
-        sock = netlink_kernel_create(&init_net, unit, THIS_MODULE, &cfg);
+        sock = netlink_kernel_create(&init_net, unit, &cfg);
 
         if (sock)
                 rcv_cb = cb;
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index 8719a4e235a5..cd17dda5a987 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -153,6 +153,7 @@ struct nlattr {
 
 #include <linux/capability.h>
 #include <linux/skbuff.h>
+#include <linux/module.h>
 #include <net/scm.h>
 
 struct net;
@@ -188,9 +189,15 @@ struct netlink_kernel_cfg {
         unsigned int    flags;
 };
 
-extern struct sock *netlink_kernel_create(struct net *net, int unit,
-                                          struct module *module,
-                                          struct netlink_kernel_cfg *cfg);
+extern struct sock *__netlink_kernel_create(struct net *net, int unit,
+                                            struct module *module,
+                                            struct netlink_kernel_cfg *cfg);
+static inline struct sock *
+netlink_kernel_create(struct net *net, int unit, struct netlink_kernel_cfg *cfg)
+{
+        return __netlink_kernel_create(net, unit, THIS_MODULE, cfg);
+}
+
 extern void netlink_kernel_release(struct sock *sk);
 extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups);
 extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
diff --git a/kernel/audit.c b/kernel/audit.c
index ea3b7b6191c7..a24aafa850ae 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -971,8 +971,7 @@ static int __init audit_init(void)
 
         printk(KERN_INFO "audit: initializing netlink socket (%s)\n",
                audit_default ? "enabled" : "disabled");
-        audit_sock = netlink_kernel_create(&init_net, NETLINK_AUDIT,
-                                           THIS_MODULE, &cfg);
+        audit_sock = netlink_kernel_create(&init_net, NETLINK_AUDIT, &cfg);
         if (!audit_sock)
                 audit_panic("cannot initialize netlink socket");
         else
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index c2e97787d01e..52e5abbc41db 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -382,8 +382,7 @@ static int uevent_net_init(struct net *net)
         if (!ue_sk)
                 return -ENOMEM;
 
-        ue_sk->sk = netlink_kernel_create(net, NETLINK_KOBJECT_UEVENT,
-                                          THIS_MODULE, &cfg);
+        ue_sk->sk = netlink_kernel_create(net, NETLINK_KOBJECT_UEVENT, &cfg);
         if (!ue_sk->sk) {
                 printk(KERN_ERR
                        "kobject_uevent: unable to create netlink socket!\n");
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 19063473c71f..3476ec469740 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -298,8 +298,7 @@ static int __init ebt_ulog_init(void)
                 spin_lock_init(&ulog_buffers[i].lock);
         }
 
-        ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG,
-                                          THIS_MODULE, &cfg);
+        ebtulognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, &cfg);
         if (!ebtulognl)
                 ret = -ENOMEM;
         else if ((ret = xt_register_target(&ebt_ulog_tg_reg)) != 0)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index a71806eb9cc6..508c5df4a09c 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -2384,7 +2384,7 @@ static int __net_init rtnetlink_net_init(struct net *net)
                 .flags          = NL_CFG_F_NONROOT_RECV,
         };
 
-        sk = netlink_kernel_create(net, NETLINK_ROUTE, THIS_MODULE, &cfg);
+        sk = netlink_kernel_create(net, NETLINK_ROUTE, &cfg);
         if (!sk)
                 return -ENOMEM;
         net->rtnl = sk;
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index 9d8755e4a7a5..602cd637182e 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -172,8 +172,7 @@ static int __net_init diag_net_init(struct net *net)
                 .input  = sock_diag_rcv,
         };
 
-        net->diag_nlsk = netlink_kernel_create(net, NETLINK_SOCK_DIAG,
-                                               THIS_MODULE, &cfg);
+        net->diag_nlsk = netlink_kernel_create(net, NETLINK_SOCK_DIAG, &cfg);
         return net->diag_nlsk == NULL ? -ENOMEM : 0;
 }
 
diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index 11db0ecf342f..dfe42012a044 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -130,8 +130,7 @@ static int __init dn_rtmsg_init(void)
                 .input  = dnrmg_receive_user_skb,
         };
 
-        dnrmg = netlink_kernel_create(&init_net,
-                                      NETLINK_DNRTMSG, THIS_MODULE, &cfg);
+        dnrmg = netlink_kernel_create(&init_net, NETLINK_DNRTMSG, &cfg);
         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 8a7cd795a96e..dc1f10ed1872 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -986,7 +986,7 @@ static int __net_init nl_fib_lookup_init(struct net *net)
                 .input  = nl_fib_input,
         };
 
-        sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, THIS_MODULE, &cfg);
+        sk = netlink_kernel_create(net, NETLINK_FIB_LOOKUP, &cfg);
         if (sk == NULL)
                 return -EAFNOSUPPORT;
         net->ipv4.fibnl = sk;
diff --git a/net/ipv4/netfilter/ipt_ULOG.c b/net/ipv4/netfilter/ipt_ULOG.c
index 1109f7f6c254..b5ef3cba2250 100644
--- a/net/ipv4/netfilter/ipt_ULOG.c
+++ b/net/ipv4/netfilter/ipt_ULOG.c
@@ -396,8 +396,7 @@ static int __init ulog_tg_init(void)
         for (i = 0; i < ULOG_MAXNLGROUPS; i++)
                 setup_timer(&ulog_buffers[i].timer, ulog_timer, i);
 
-        nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG,
-                                        THIS_MODULE, &cfg);
+        nflognl = netlink_kernel_create(&init_net, NETLINK_NFLOG, &cfg);
         if (!nflognl)
                 return -ENOMEM;
 
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index a26503342e71..ffb92c03a358 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -241,7 +241,7 @@ static int __net_init nfnetlink_net_init(struct net *net)
 #endif
         };
 
-        nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, THIS_MODULE, &cfg);
+        nfnl = netlink_kernel_create(net, NETLINK_NETFILTER, &cfg);
         if (!nfnl)
                 return -ENOMEM;
         net->nfnl_stash = nfnl;
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index b74540ce3c14..4d348e97e131 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1526,9 +1526,8 @@ static void netlink_data_ready(struct sock *sk, int len)
  */
 
 struct sock *
-netlink_kernel_create(struct net *net, int unit,
-                      struct module *module,
-                      struct netlink_kernel_cfg *cfg)
+__netlink_kernel_create(struct net *net, int unit, struct module *module,
+                        struct netlink_kernel_cfg *cfg)
 {
         struct socket *sock;
         struct sock *sk;
@@ -1603,8 +1602,7 @@ out_sock_release_nosk:
         sock_release(sock);
         return NULL;
 }
-EXPORT_SYMBOL(netlink_kernel_create);
-
+EXPORT_SYMBOL(__netlink_kernel_create);
 
 void
 netlink_kernel_release(struct sock *sk)
diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c
index c1b71aef9f71..19288b7d6135 100644
--- a/net/netlink/genetlink.c
+++ b/net/netlink/genetlink.c
@@ -922,8 +922,7 @@ static int __net_init genl_pernet_init(struct net *net)
         };
 
         /* we'll bump the group number right afterwards */
-        net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC,
-                                               THIS_MODULE, &cfg);
+        net->genl_sock = netlink_kernel_create(net, NETLINK_GENERIC, &cfg);
 
         if (!net->genl_sock && net_eq(net, &init_net))
                 panic("GENL: Cannot initialize generic netlink\n");
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index ab58034c42d6..354070adb5ef 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2963,7 +2963,7 @@ static int __net_init xfrm_user_net_init(struct net *net)
                 .input  = xfrm_netlink_rcv,
         };
 
-        nlsk = netlink_kernel_create(net, NETLINK_XFRM, THIS_MODULE, &cfg);
+        nlsk = netlink_kernel_create(net, NETLINK_XFRM, &cfg);
         if (nlsk == NULL)
                 return -ENOMEM;
         net->xfrm.nlsk_stash = nlsk; /* Don't set to NULL */
diff --git a/security/selinux/netlink.c b/security/selinux/netlink.c
index 0d2cd11f3c22..14d810ead420 100644
--- a/security/selinux/netlink.c
+++ b/security/selinux/netlink.c
@@ -116,8 +116,7 @@ static int __init selnl_init(void)
                 .flags  = NL_CFG_F_NONROOT_RECV,
         };
 
-        selnl = netlink_kernel_create(&init_net, NETLINK_SELINUX,
-                                      THIS_MODULE, &cfg);
+        selnl = netlink_kernel_create(&init_net, NETLINK_SELINUX, &cfg);
         if (selnl == NULL)
                 panic("SELinux:  Cannot create netlink socket.");
         return 0;