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Diffstat (limited to 'net/ipv6/ip6_gre.c')
-rw-r--r--net/ipv6/ip6_gre.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index d5cb3c4e66f..867466c96aa 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -109,21 +109,6 @@ static u32 HASH_ADDR(const struct in6_addr *addr)
#define tunnels_r tunnels[2]
#define tunnels_l tunnels[1]
#define tunnels_wc tunnels[0]
-/*
- * Locking : hash tables are protected by RCU and RTNL
- */
-
-#define for_each_ip_tunnel_rcu(start) \
- for (t = rcu_dereference(start); t; t = rcu_dereference(t->next))
-
-/* often modified stats are per cpu, other are shared (netdev->stats) */
-struct pcpu_tstats {
- u64 rx_packets;
- u64 rx_bytes;
- u64 tx_packets;
- u64 tx_bytes;
- struct u64_stats_sync syncp;
-};
static struct rtnl_link_stats64 *ip6gre_get_stats64(struct net_device *dev,
struct rtnl_link_stats64 *tot)
@@ -181,7 +166,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
ARPHRD_ETHER : ARPHRD_IP6GRE;
int score, cand_score = 4;
- for_each_ip_tunnel_rcu(ign->tunnels_r_l[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r_l[h0 ^ h1]) {
if (!ipv6_addr_equal(local, &t->parms.laddr) ||
!ipv6_addr_equal(remote, &t->parms.raddr) ||
key != t->parms.i_key ||
@@ -206,7 +191,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_r[h0 ^ h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_r[h0 ^ h1]) {
if (!ipv6_addr_equal(remote, &t->parms.raddr) ||
key != t->parms.i_key ||
!(t->dev->flags & IFF_UP))
@@ -230,7 +215,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_l[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_l[h1]) {
if ((!ipv6_addr_equal(local, &t->parms.laddr) &&
(!ipv6_addr_equal(local, &t->parms.raddr) ||
!ipv6_addr_is_multicast(local))) ||
@@ -256,7 +241,7 @@ static struct ip6_tnl *ip6gre_tunnel_lookup(struct net_device *dev,
}
}
- for_each_ip_tunnel_rcu(ign->tunnels_wc[h1]) {
+ for_each_ip_tunnel_rcu(t, ign->tunnels_wc[h1]) {
if (t->parms.i_key != key ||
!(t->dev->flags & IFF_UP))
continue;
@@ -1069,7 +1054,7 @@ static void ip6gre_tnl_link_config(struct ip6_tnl *t, int set_mtu)
dev->mtu = IPV6_MIN_MTU;
}
}
- dst_release(&rt->dst);
+ ip6_rt_put(rt);
}
t->hlen = addend;
@@ -1161,7 +1146,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev,
case SIOCADDTUNNEL:
case SIOCCHGTUNNEL:
err = -EPERM;
- if (!capable(CAP_NET_ADMIN))
+ if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
goto done;
err = -EFAULT;
@@ -1209,7 +1194,7 @@ static int ip6gre_tunnel_ioctl(struct net_device *dev,
case SIOCDELTUNNEL:
err = -EPERM;
- if (!capable(CAP_NET_ADMIN))
+ if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
goto done;
if (dev == ign->fb_tunnel_dev) {