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authorDavid S. Miller <davem@davemloft.net>2009-03-05 02:06:47 -0800
committerDavid S. Miller <davem@davemloft.net>2009-03-05 02:06:47 -0800
commit508827ff0ac3981d420edac64a70de7f4e304d38 (patch)
treeb0cee8ddef9f0ceab68c388e4ae46b7295eb2cb5 /net/ipv6/af_inet6.c
parent2c3c3d02f28801d7ad2da4952b2c7ca6621ef221 (diff)
parent72e2240f181871675d3a979766330c91d48a1673 (diff)
downloadlinux-2.6.38-lt-ux500-508827ff0ac3981d420edac64a70de7f4e304d38.tar.gz
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
Diffstat (limited to 'net/ipv6/af_inet6.c')
-rw-r--r--net/ipv6/af_inet6.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index fa2ac7ee662..57b07da1212 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.
*/