[IPV4]: Possible cleanups.

This patch contains the following possible cleanups:
- make the following needlessly global function static:
  - arp.c: arp_rcv()
- remove the following unused EXPORT_SYMBOL's:
  - devinet.c: devinet_ioctl
  - fib_frontend.c: ip_rt_ioctl
  - inet_hashtables.c: inet_bind_bucket_create
  - inet_hashtables.c: inet_bind_hash
  - tcp_input.c: sysctl_tcp_abc
  - tcp_ipv4.c: sysctl_tcp_tw_reuse
  - tcp_output.c: sysctl_tcp_mtu_probing
  - tcp_output.c: sysctl_tcp_base_mss

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

7 files changed, 2 insertions, 13 deletions

diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 041dadde31af..4749d504c629 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -928,7 +928,8 @@ static void parp_redo(struct sk_buff *skb)
  *      Receive an arp request from the device layer.
  */
 
-int arp_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev)
+static int arp_rcv(struct sk_buff *skb, struct net_device *dev,
+                   struct packet_type *pt, struct net_device *orig_dev)
 {
         struct arphdr *arp;
 
@@ -1417,7 +1418,6 @@ static int __init arp_proc_init(void)
 
 EXPORT_SYMBOL(arp_broken_ops);
 EXPORT_SYMBOL(arp_find);
-EXPORT_SYMBOL(arp_rcv);
 EXPORT_SYMBOL(arp_create);
 EXPORT_SYMBOL(arp_xmit);
 EXPORT_SYMBOL(arp_send);
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 81c2f7885292..54419b27686f 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1556,7 +1556,6 @@ void __init devinet_init(void)
 #endif
 }
 
-EXPORT_SYMBOL(devinet_ioctl);
 EXPORT_SYMBOL(in_dev_finish_destroy);
 EXPORT_SYMBOL(inet_select_addr);
 EXPORT_SYMBOL(inetdev_by_index);
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 4e3d3811dea2..cdde96390960 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -666,4 +666,3 @@ void __init ip_fib_init(void)
 }
 
 EXPORT_SYMBOL(inet_addr_type);
-EXPORT_SYMBOL(ip_rt_ioctl);
diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c
index ef7366fc132f..ee9b5515b9ae 100644
--- a/net/ipv4/inet_hashtables.c
+++ b/net/ipv4/inet_hashtables.c
@@ -43,8 +43,6 @@ struct inet_bind_bucket *inet_bind_bucket_create(kmem_cache_t *cachep,
         return tb;
 }
 
-EXPORT_SYMBOL(inet_bind_bucket_create);
-
 /*
  * Caller must hold hashbucket lock for this tb with local BH disabled
  */
@@ -64,8 +62,6 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb,
         inet_csk(sk)->icsk_bind_hash = tb;
 }
 
-EXPORT_SYMBOL(inet_bind_hash);
-
 /*
  * Get rid of any references to a local port held by the given sock.
  */
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 195d83584558..9f0cca4c4fae 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4559,7 +4559,6 @@ discard:
 
 EXPORT_SYMBOL(sysctl_tcp_ecn);
 EXPORT_SYMBOL(sysctl_tcp_reordering);
-EXPORT_SYMBOL(sysctl_tcp_abc);
 EXPORT_SYMBOL(tcp_parse_options);
 EXPORT_SYMBOL(tcp_rcv_established);
 EXPORT_SYMBOL(tcp_rcv_state_process);
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 9e85c0416109..672950e54c49 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1859,5 +1859,4 @@ EXPORT_SYMBOL(tcp_proc_unregister);
 #endif
 EXPORT_SYMBOL(sysctl_local_port_range);
 EXPORT_SYMBOL(sysctl_tcp_low_latency);
-EXPORT_SYMBOL(sysctl_tcp_tw_reuse);
 
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 9d79546d384e..b871db6adc55 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -59,9 +59,6 @@ int sysctl_tcp_tso_win_divisor = 3;
 int sysctl_tcp_mtu_probing = 0;
 int sysctl_tcp_base_mss = 512;
 
-EXPORT_SYMBOL(sysctl_tcp_mtu_probing);
-EXPORT_SYMBOL(sysctl_tcp_base_mss);
-
 static void update_send_head(struct sock *sk, struct tcp_sock *tp,
                              struct sk_buff *skb)
 {