[NET]: Fix sparse warnings

Of this type, mostly:

CHECK   net/ipv6/netfilter.c
net/ipv6/netfilter.c:96:12: warning: symbol 'ipv6_netfilter_init' was not declared. Should it be static?
net/ipv6/netfilter.c:101:6: warning: symbol 'ipv6_netfilter_fini' was not declared. Should it be static?

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 1 insertions, 9 deletions

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index bc4c44552c1f..41feca3bef86 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2026,14 +2026,6 @@ static struct net_proto_family unix_family_ops = {
         .owner  = THIS_MODULE,
 };
 
-#ifdef CONFIG_SYSCTL
-extern void unix_sysctl_register(void);
-extern void unix_sysctl_unregister(void);
-#else
-static inline void unix_sysctl_register(void) {}
-static inline void unix_sysctl_unregister(void) {}
-#endif
-
 static int __init af_unix_init(void)
 {
         int rc = -1;
diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c
index c974dac4580a..690ffa5d5bfb 100644
--- a/net/unix/sysctl_net_unix.c
+++ b/net/unix/sysctl_net_unix.c
@@ -12,7 +12,7 @@
 #include <linux/mm.h>
 #include <linux/sysctl.h>
 
-extern int sysctl_unix_max_dgram_qlen;
+#include <net/af_unix.h>
 
 static ctl_table unix_table[] = {
         {