summaryrefslogtreecommitdiff
path: root/net/ipv4/ipip.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/ipip.c')
-rw-r--r--net/ipv4/ipip.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 12b6fde6f65..9e78f11da78 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -789,7 +789,7 @@ static int ipip_tunnel_init(struct net_device *dev)
return 0;
}
-static void __net_init ipip_fb_tunnel_init(struct net_device *dev)
+static int __net_init ipip_fb_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
@@ -802,8 +802,13 @@ static void __net_init ipip_fb_tunnel_init(struct net_device *dev)
iph->protocol = IPPROTO_IPIP;
iph->ihl = 5;
+ dev->tstats = alloc_percpu(struct pcpu_tstats);
+ if (!dev->tstats)
+ return -ENOMEM;
+
dev_hold(dev);
rcu_assign_pointer(ipn->tunnels_wc[0], tunnel);
+ return 0;
}
static struct xfrm_tunnel ipip_handler __read_mostly = {
@@ -852,7 +857,9 @@ static int __net_init ipip_init_net(struct net *net)
}
dev_net_set(ipn->fb_tunnel_dev, net);
- ipip_fb_tunnel_init(ipn->fb_tunnel_dev);
+ err = ipip_fb_tunnel_init(ipn->fb_tunnel_dev);
+ if (err)
+ goto err_reg_dev;
if ((err = register_netdev(ipn->fb_tunnel_dev)))
goto err_reg_dev;
@@ -860,7 +867,7 @@ static int __net_init ipip_init_net(struct net *net)
return 0;
err_reg_dev:
- free_netdev(ipn->fb_tunnel_dev);
+ ipip_dev_free(ipn->fb_tunnel_dev);
err_alloc_dev:
/* nothing */
return err;