net: Explicitly initialize u64_stats_sync structures for lockdep

[~andy/linux] / net / ipv6 / sit.c

diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 19269453a8eaca1d34eefa648e401ccea7d829ac..365dc5473eb26a3faf02e5ab96a4b2e8ca979dc2 100644 (file)
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1310,6 +1310,7 @@ static void ipip6_tunnel_setup(struct net_device *dev)
 static int ipip6_tunnel_init(struct net_device *dev)
 {
        struct ip_tunnel *tunnel = netdev_priv(dev);
+       int i;
 
        tunnel->dev = dev;
        tunnel->net = dev_net(dev);
@@ -1322,6 +1323,12 @@ static int ipip6_tunnel_init(struct net_device *dev)
        if (!dev->tstats)
                return -ENOMEM;
 
+       for_each_possible_cpu(i) {
+               struct pcpu_tstats *ipip6_tunnel_stats;
+               ipip6_tunnel_stats = per_cpu_ptr(dev->tstats, i);
+               u64_stats_init(&ipip6_tunnel_stats->syncp);
+       }
+
        return 0;
 }
 
@@ -1331,6 +1338,7 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
        struct iphdr *iph = &tunnel->parms.iph;
        struct net *net = dev_net(dev);
        struct sit_net *sitn = net_generic(net, sit_net_id);
+       int i;
 
        tunnel->dev = dev;
        tunnel->net = dev_net(dev);
@@ -1344,6 +1352,13 @@ static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
        dev->tstats = alloc_percpu(struct pcpu_tstats);
        if (!dev->tstats)
                return -ENOMEM;
+
+       for_each_possible_cpu(i) {
+               struct pcpu_tstats *ipip6_fb_stats;
+               ipip6_fb_stats = per_cpu_ptr(dev->tstats, i);
+               u64_stats_init(&ipip6_fb_stats->syncp);
+       }
+
        dev_hold(dev);
        rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
        return 0;