ipv4: ping make local stuff static

Don't export ping_table or ping_v4_sendmsg. Both are only used
inside ping code.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/ping.h b/include/net/ping.h
index 90f4841..7601365 100644 (file)
--- a/include/net/ping.h
+++ b/include/net/ping.h
@@ -42,11 +42,6 @@ struct pingv6_ops {
                             const struct net_device *dev, int strict);
 };
 
-struct ping_table {
-       struct hlist_nulls_head hash[PING_HTABLE_SIZE];
-       rwlock_t                lock;
-};
-
 struct ping_iter_state {
        struct seq_net_private  p;
        int                     bucket;
@@ -54,7 +49,6 @@ struct ping_iter_state {
 };
 
 extern struct proto ping_prot;
-extern struct ping_table ping_table;
 #if IS_ENABLED(CONFIG_IPV6)
 extern struct pingv6_ops pingv6_ops;
 #endif
@@ -81,8 +75,6 @@ int  ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                  size_t len, int noblock, int flags, int *addr_len);
 int  ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
                         void *user_icmph, size_t icmph_len);
-int  ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
-                    size_t len);
 int  ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
                     size_t len);
 int  ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 242e7f4..cae5262 100644 (file)
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -53,8 +53,12 @@
 #include <net/transp_v6.h>
 #endif
 
+struct ping_table {
+       struct hlist_nulls_head hash[PING_HTABLE_SIZE];
+       rwlock_t                lock;
+};
 
-struct ping_table ping_table;
+static struct ping_table ping_table;
 struct pingv6_ops pingv6_ops;
 EXPORT_SYMBOL_GPL(pingv6_ops);
 
@@ -668,8 +672,8 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
 }
 EXPORT_SYMBOL_GPL(ping_common_sendmsg);
 
-int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
-                   size_t len)
+static int ping_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+                          size_t len)
 {
        struct net *net = sock_net(sk);
        struct flowi4 fl4;