1 files changed, 17 insertions, 1 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 2514adf5251..e81155d2f25 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3862,12 +3862,28 @@ static inline void __snmp6_fill_stats(u64 *stats, void __percpu **mib,
         memset(&stats[items], 0, pad);
 }
 
+static inline void __snmp6_fill_stats64(u64 *stats, void __percpu **mib,
+                                      int items, int bytes, size_t syncpoff)
+{
+        int i;
+        int pad = bytes - sizeof(u64) * items;
+        BUG_ON(pad < 0);
+
+        /* Use put_unaligned() because stats may not be aligned for u64. */
+        put_unaligned(items, &stats[0]);
+        for (i = 1; i < items; i++)
+                put_unaligned(snmp_fold_field64(mib, i, syncpoff), &stats[i]);
+
+        memset(&stats[items], 0, pad);
+}
+
 static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
                              int bytes)
 {
         switch (attrtype) {
         case IFLA_INET6_STATS:
-                __snmp6_fill_stats(stats, (void __percpu **)idev->stats.ipv6, IPSTATS_MIB_MAX, bytes);
+                __snmp6_fill_stats64(stats, (void __percpu **)idev->stats.ipv6,
+                                     IPSTATS_MIB_MAX, bytes, offsetof(struct ipstats_mib, syncp));
                 break;
         case IFLA_INET6_ICMP6STATS:
                 __snmp6_fill_stats(stats, (void __percpu **)idev->stats.icmpv6, ICMP6_MIB_MAX, bytes);