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-rw-r--r--net/ipv6/sit.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index b788f55..e553e5b 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -195,7 +195,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct ip_tunnel_parm *parms, int
dev_hold(dev);
ipip6_tunnel_link(nt);
- /* Do not decrement MOD_USE_COUNT here. */
return nt;
failed:
@@ -794,10 +793,28 @@ static struct net_protocol sit_protocol = {
.err_handler = ipip6_err,
};
+static void __exit sit_destroy_tunnels(void)
+{
+ int prio;
+
+ for (prio = 1; prio < 4; prio++) {
+ int h;
+ for (h = 0; h < HASH_SIZE; h++) {
+ struct ip_tunnel *t;
+ while ((t = tunnels[prio][h]) != NULL)
+ unregister_netdevice(t->dev);
+ }
+ }
+}
+
void __exit sit_cleanup(void)
{
inet_del_protocol(&sit_protocol, IPPROTO_IPV6);
- unregister_netdev(ipip6_fb_tunnel_dev);
+
+ rtnl_lock();
+ sit_destroy_tunnels();
+ unregister_netdevice(ipip6_fb_tunnel_dev);
+ rtnl_unlock();
}
int __init sit_init(void)
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