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Diffstat (limited to 'net/ipv4/ip_tunnel.c')
-rw-r--r--net/ipv4/ip_tunnel.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/net/ipv4/ip_tunnel.c b/net/ipv4/ip_tunnel.c
index a82a22d8f77f..e77381d1df9a 100644
--- a/net/ipv4/ip_tunnel.c
+++ b/net/ipv4/ip_tunnel.c
@@ -235,13 +235,17 @@ static struct hlist_head *ip_bucket(struct ip_tunnel_net *itn,
{
unsigned int h;
__be32 remote;
+ __be32 i_key = parms->i_key;
if (parms->iph.daddr && !ipv4_is_multicast(parms->iph.daddr))
remote = parms->iph.daddr;
else
remote = 0;
- h = ip_tunnel_hash(parms->i_key, remote);
+ if (!(parms->i_flags & TUNNEL_KEY) && (parms->i_flags & VTI_ISVTI))
+ i_key = 0;
+
+ h = ip_tunnel_hash(i_key, remote);
return &itn->tunnels[h];
}
@@ -398,7 +402,7 @@ static struct ip_tunnel *ip_tunnel_create(struct net *net,
fbt = netdev_priv(itn->fb_tunnel_dev);
dev = __ip_tunnel_create(net, itn->fb_tunnel_dev->rtnl_link_ops, parms);
if (IS_ERR(dev))
- return NULL;
+ return ERR_CAST(dev);
dev->mtu = ip_tunnel_bind_dev(dev);
@@ -748,9 +752,13 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
t = ip_tunnel_find(itn, p, itn->fb_tunnel_dev->type);
- if (!t && (cmd == SIOCADDTUNNEL))
+ if (!t && (cmd == SIOCADDTUNNEL)) {
t = ip_tunnel_create(net, itn, p);
-
+ if (IS_ERR(t)) {
+ err = PTR_ERR(t);
+ break;
+ }
+ }
if (dev != itn->fb_tunnel_dev && cmd == SIOCCHGTUNNEL) {
if (t != NULL) {
if (t->dev != dev) {
@@ -777,8 +785,9 @@ int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd)
if (t) {
err = 0;
ip_tunnel_update(itn, t, dev, p, true);
- } else
- err = (cmd == SIOCADDTUNNEL ? -ENOBUFS : -ENOENT);
+ } else {
+ err = -ENOENT;
+ }
break;
case SIOCDELTUNNEL:
@@ -993,19 +1002,13 @@ int ip_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
- int i, err;
+ int err;
dev->destructor = ip_tunnel_dev_free;
- dev->tstats = alloc_percpu(struct pcpu_sw_netstats);
+ dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
if (!dev->tstats)
return -ENOMEM;
- for_each_possible_cpu(i) {
- struct pcpu_sw_netstats *ipt_stats;
- ipt_stats = per_cpu_ptr(dev->tstats, i);
- u64_stats_init(&ipt_stats->syncp);
- }
-
tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
if (!tunnel->dst_cache) {
free_percpu(dev->tstats);