diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index 9445ca97163b404974849e4c3edb44fca7f2f56a..471a4bb57b52719df94bdf426ee5545484403370 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -965,8 +965,7 @@ static int output_userspace(struct datapath *dp, struct sk_buff *skb,
 	upcall.cmd = OVS_PACKET_CMD_ACTION;
 	upcall.mru = OVS_CB(skb)->mru;
 
-	for (a = nla_data(attr), rem = nla_len(attr); rem > 0;
-	     a = nla_next(a, &rem)) {
+	nla_for_each_nested(a, attr, rem) {
 		switch (nla_type(a)) {
 		case OVS_USERSPACE_ATTR_USERDATA:
 			upcall.userdata = a;