1 files changed, 3 insertions, 1 deletions
diff --git a/lib/odp-execute.c b/lib/odp-execute.c
index 185cf319..19fcc1c1 100644
--- a/lib/odp-execute.c
+++ b/lib/odp-execute.c
@@ -200,7 +200,9 @@ odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key,
             break;
 
         case OVS_ACTION_ATTR_USERSPACE: {
-            userspace(dp, packet, key, a);
+            if (userspace) {
+                userspace(dp, packet, key, a);
+            }
             break;
         }