diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 7206231..7f20f6d 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -351,7 +351,7 @@
 {
 	int sent = vport->ops->send(vport, skb);
 
-	if (likely(sent)) {
+	if (likely(sent > 0)) {
 		struct pcpu_tstats *stats;
 
 		stats = this_cpu_ptr(vport->percpu_stats);
@@ -360,7 +360,12 @@
 		stats->tx_packets++;
 		stats->tx_bytes += sent;
 		u64_stats_update_end(&stats->syncp);
-	}
+	} else if (sent < 0) {
+		ovs_vport_record_error(vport, VPORT_E_TX_ERROR);
+		kfree_skb(skb);
+	} else
+		ovs_vport_record_error(vport, VPORT_E_TX_DROPPED);
+
 	return sent;
 }