save works

src/controller/misc.c

@@ -64,7 +64,13 @@ worker_t* get_ep_worker(cluster_t* c, endpoint_t* ep)
         return NULL;
     }
 
+    lock(c->workermgr, RTTI_LOCK_READ);
     rc = key_find(c->workermgr, (void*)idx, (void**)&w);
+    if (w != NULL) {
+        reference(w);
+    }
+    unlock(c->workermgr);
+
     if (rc < 0) {
         return NULL;
     }