magic pointers no more

src/vdp_pesi.c

@@ -511,8 +511,7 @@ pesi_buf_bytes(struct req *req, enum vdp_action act, void **priv,
 	tree = pesi->pesi_tree->tree;
 	CHECK_OBJ_NOTNULL(tree, BYTES_TREE_MAGIC);
 
-	// magic pointers in use, so no check for len == 0
-	if (tree->retval || ptr == NULL)
+	if (tree->retval || ptr == NULL || len == 0)
 		return (tree->retval);
 
 	CHECK_OBJ_NOTNULL(req, REQ_MAGIC);
@@ -534,17 +533,6 @@ pesi_buf_bytes(struct req *req, enum vdp_action act, void **priv,
 	node->data.len = len;
 	node->data.act = act;
 
-	if (len == 0) {
-		// may be a magic pointer
-		AZ(node->data.st);
-		node->data.ptr = ptr;
-
-		node_insert(tree, parent, node);
-
-		VSLdbg(req, "bytes_add: exit len == 0");
-		return (tree->retval);
-	}
-
 	/*
 	 * non-api knowledge from VDP_DeliverObj()
 	 *  final = req->objcore->flags & (OC_F_PRIVATE | OC_F_HFM | OC_F_HFP);