Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

Conflicts:
	drivers/net/tokenring/tmspci.c
	drivers/net/ucc_geth_mii.c

1 files changed, 16 insertions, 5 deletions

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index fa2ac7e..57b07da 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -72,6 +72,10 @@ MODULE_LICENSE("GPL");
 static struct list_head inetsw6[SOCK_MAX];
 static DEFINE_SPINLOCK(inetsw6_lock);
 
+static int disable_ipv6 = 0;
+module_param_named(disable, disable_ipv6, int, 0);
+MODULE_PARM_DESC(disable, "Disable IPv6 such that it is non-functional");
+
 static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
 {
 	const int offset = sk->sk_prot->obj_size - sizeof(struct ipv6_pinfo);
@@ -1001,10 +1005,21 @@ static int __init inet6_init(void)
 {
 	struct sk_buff *dummy_skb;
 	struct list_head *r;
-	int err;
+	int err = 0;
 
 	BUILD_BUG_ON(sizeof(struct inet6_skb_parm) > sizeof(dummy_skb->cb));
 
+	/* Register the socket-side information for inet6_create.  */
+	for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
+		INIT_LIST_HEAD(r);
+
+	if (disable_ipv6) {
+		printk(KERN_INFO
+		       "IPv6: Loaded, but administratively disabled, "
+		       "reboot required to enable\n");
+		goto out;
+	}
+
 	err = proto_register(&tcpv6_prot, 1);
 	if (err)
 		goto out;
@@ -1022,10 +1037,6 @@ static int __init inet6_init(void)
 		goto out_unregister_udplite_proto;
 
 
-	/* Register the socket-side information for inet6_create.  */
-	for(r = &inetsw6[0]; r < &inetsw6[SOCK_MAX]; ++r)
-		INIT_LIST_HEAD(r);
-
 	/* We MUST register RAW sockets before we create the ICMP6,
 	 * IGMP6, or NDISC control sockets.
 	 */