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Date: Thu, 6 Sep 2012 14:31:52 +0200
From: pablo@...filter.org
To: netdev@...r.kernel.org
Cc: davem@...emloft.net
Subject: [PATCH 2/2] netlink: remove module parameter from netlink_kernel_create
From: Pablo Neira Ayuso <pablo@...filter.org>
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@...filter.org>
---
crypto/crypto_user.c | 3 +--
drivers/connector/connector.c | 3 +--
drivers/scsi/scsi_netlink.c | 2 +-
drivers/scsi/scsi_transport_iscsi.c | 3 +--
drivers/staging/gdm72xx/netlink_k.c | 2 +-
include/linux/netlink.h | 13 ++++++++++---
kernel/audit.c | 3 +--
lib/kobject_uevent.c | 3 +--
net/bridge/netfilter/ebt_ulog.c | 3 +--
net/core/rtnetlink.c | 2 +-
net/core/sock_diag.c | 3 +--
net/decnet/netfilter/dn_rtmsg.c | 3 +--
net/ipv4/fib_frontend.c | 2 +-
net/ipv4/netfilter/ipt_ULOG.c | 3 +--
net/netfilter/nfnetlink.c | 2 +-
net/netlink/af_netlink.c | 8 +++-----
net/netlink/genetlink.c | 3 +--
net/xfrm/xfrm_user.c | 2 +-
security/selinux/netlink.c | 3 +--
19 files changed, 30 insertions(+), 36 deletions(-)
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index ba2c611..165914e 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 82fa4f0..965b781 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/scsi/scsi_netlink.c b/drivers/scsi/scsi_netlink.c
index 8818dd6..3252bc9 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 fa1dfaa..519bd53 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 3abb31d..2109cab 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 d30ee743..628e799 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>
struct net;
@@ -187,9 +188,15 @@ 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 ea3b7b6..a24aafa 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 c2e9778..52e5abb 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 1906347..3476ec4 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 a71806e..508c5df 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 9d8755e..602cd63 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 11db0ec..dfe4201 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 acdee32..21bf521 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 1109f7f..b5ef3cb 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 a265033..ffb92c0 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 1543a66..93768db 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 c1b71ae..19288b7 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 ab58034..354070a 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 0d2cd11..14d810e 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;
--
1.7.10.4
--
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