diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index e9a48baf8551..8601b320b443 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -1174,7 +1174,7 @@ static void ovs_dp_reset_user_features(struct sk_buff *skb, struct genl_info *in
 	struct datapath *dp;
 
 	dp = lookup_datapath(sock_net(skb->sk), info->userhdr, info->attrs);
-	if (!dp)
+	if (IS_ERR(dp))
 		return;
 
 	WARN(dp->user_features, "Dropping previously announced user features\n");
@@ -1762,11 +1762,12 @@ static int ovs_vport_cmd_dump(struct sk_buff *skb, struct netlink_callback *cb)
 	int bucket = cb->args[0], skip = cb->args[1];
 	int i, j = 0;
 
-	dp = get_dp(sock_net(skb->sk), ovs_header->dp_ifindex);
-	if (!dp)
-		return -ENODEV;
-
 	rcu_read_lock();
+	dp = get_dp(sock_net(skb->sk), ovs_header->dp_ifindex);
+	if (!dp) {
+		rcu_read_unlock();
+		return -ENODEV;
+	}
 	for (i = bucket; i < DP_VPORT_HASH_BUCKETS; i++) {
 		struct vport *vport;
 
diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
index 16f4b46161d4..dda451f4429c 100644
--- a/net/openvswitch/flow.c
+++ b/net/openvswitch/flow.c
@@ -73,6 +73,7 @@ void ovs_flow_stats_update(struct sw_flow *flow, struct sk_buff *skb)
 
 	if ((flow->key.eth.type == htons(ETH_P_IP) ||
 	     flow->key.eth.type == htons(ETH_P_IPV6)) &&
+	    flow->key.ip.frag != OVS_FRAG_TYPE_LATER &&
 	    flow->key.ip.proto == IPPROTO_TCP &&
 	    likely(skb->len >= skb_transport_offset(skb) + sizeof(struct tcphdr))) {
 		tcp_flags = TCP_FLAGS_BE16(tcp_hdr(skb));
@@ -91,7 +92,7 @@ static void stats_read(struct flow_stats *stats,
 		       unsigned long *used, __be16 *tcp_flags)
 {
 	spin_lock(&stats->lock);
-	if (time_after(stats->used, *used))
+	if (!*used || time_after(stats->used, *used))
 		*used = stats->used;
 	*tcp_flags |= stats->tcp_flags;
 	ovs_stats->n_packets += stats->packet_count;