net: Explicitly initialize u64_stats_sync structures for lockdep

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

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index cd3fb301da38a970cd48302386428a8923f21c91..d62d589bb6223ffc1fbdc5cc99ac98dde7630964 100644 (file)
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -281,10 +281,24 @@ static void addrconf_mod_dad_timer(struct inet6_ifaddr *ifp,
 
 static int snmp6_alloc_dev(struct inet6_dev *idev)
 {
+       int i;
+
        if (snmp_mib_init((void __percpu **)idev->stats.ipv6,
                          sizeof(struct ipstats_mib),
                          __alignof__(struct ipstats_mib)) < 0)
                goto err_ip;
+
+       for_each_possible_cpu(i) {
+               struct ipstats_mib *addrconf_stats;
+               addrconf_stats = per_cpu_ptr(idev->stats.ipv6[0], i);
+               u64_stats_init(&addrconf_stats->syncp);
+#if SNMP_ARRAY_SZ == 2
+               addrconf_stats = per_cpu_ptr(idev->stats.ipv6[1], i);
+               u64_stats_init(&addrconf_stats->syncp);
+#endif
+       }
+
+
        idev->stats.icmpv6dev = kzalloc(sizeof(struct icmpv6_mib_device),
                                        GFP_KERNEL);
        if (!idev->stats.icmpv6dev)