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ipv6 sit: Ensure to initialize 6rd parameters.

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ipv6 sit: Ensure to initialize 6rd parameters.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki / 吉藤英明 2009-10-11 03:31:34 +00:00 committed by David S. Miller
parent 71034ba845
commit e0c9394815
1 changed files with 6 additions and 4 deletions
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10
net/ipv6/sit.c
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@ -161,9 +161,11 @@ static void ipip6_tunnel_link(struct sit_net *sitn, struct ip_tunnel *t)
write_unlock_bh(&ipip6_lock);
}
static void ipip6_tunnel_clone_6rd(struct ip_tunnel *t, struct sit_net *sitn)
static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
{
#ifdef CONFIG_IPV6_SIT_6RD
struct ip_tunnel *t = netdev_priv(dev);
if (t->dev == sitn->fb_tunnel_dev) {
ipv6_addr_set(&t->ip6rd.prefix, htonl(0x20020000), 0, 0, 0);
t->ip6rd.relay_prefix = 0;
@ -219,6 +221,7 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
nt->parms = *parms;
ipip6_tunnel_init(dev);
ipip6_tunnel_clone_6rd(dev, sitn);
if (parms->i_flags & SIT_ISATAP)
dev->priv_flags |= IFF_ISATAP;
@ -228,8 +231,6 @@ static struct ip_tunnel * ipip6_tunnel_locate(struct net *net,
dev_hold(dev);
ipip6_tunnel_clone_6rd(t, sitn);
ipip6_tunnel_link(sitn, nt);
return nt;
@ -1024,7 +1025,7 @@ ipip6_tunnel_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd)
t->ip6rd.prefixlen = ip6rd.prefixlen;
t->ip6rd.relay_prefixlen = ip6rd.relay_prefixlen;
} else
ipip6_tunnel_clone_6rd(t, sitn);
ipip6_tunnel_clone_6rd(dev, sitn);
err = 0;
break;
@ -1148,6 +1149,7 @@ static int sit_init_net(struct net *net)
dev_net_set(sitn->fb_tunnel_dev, net);
ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
if ((err = register_netdev(sitn->fb_tunnel_dev)))
goto err_reg_dev;