diff --git a/net/openvswitch/actions.c b/net/openvswitch/actions.c
index c36856a..e70d8b1 100644
--- a/net/openvswitch/actions.c
+++ b/net/openvswitch/actions.c
@@ -551,6 +551,8 @@
 
 		case OVS_ACTION_ATTR_SAMPLE:
 			err = sample(dp, skb, a);
+			if (unlikely(err)) /* skb already freed. */
+				return err;
 			break;
 		}