ovs: use nla_put_u64_64bit()

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/uapi/linux/openvswitch.h b/include/uapi/linux/openvswitch.h
index 0358f94..d6be1fb 100644
--- a/include/uapi/linux/openvswitch.h
+++ b/include/uapi/linux/openvswitch.h
@@ -519,6 +519,7 @@
 				  * logging should be suppressed. */
 	OVS_FLOW_ATTR_UFID,      /* Variable length unique flow identifier. */
 	OVS_FLOW_ATTR_UFID_FLAGS,/* u32 of OVS_UFID_F_*. */
+	OVS_FLOW_ATTR_PAD,
 	__OVS_FLOW_ATTR_MAX
 };
 
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index 0cc66a4..22d9a53 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -754,7 +754,8 @@
 	ovs_flow_stats_get(flow, &stats, &used, &tcp_flags);
 
 	if (used &&
-	    nla_put_u64(skb, OVS_FLOW_ATTR_USED, ovs_flow_used_time(used)))
+	    nla_put_u64_64bit(skb, OVS_FLOW_ATTR_USED, ovs_flow_used_time(used),
+			      OVS_FLOW_ATTR_PAD))
 		return -EMSGSIZE;
 
 	if (stats.n_packets &&