From 97047ca0f4709246c065783409a1ae51bb58e044 Mon Sep 17 00:00:00 2001
From: Hongjian Fan <hongjian.fan@seagate.com>
Date: Mon, 12 Aug 2024 11:09:45 -0500
Subject: [PATCH] Handle CDAT discovery timeout

---
 pkg/cxl/cxl-cdat.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkg/cxl/cxl-cdat.go b/pkg/cxl/cxl-cdat.go
index 4636ddb..11335af 100644
--- a/pkg/cxl/cxl-cdat.go
+++ b/pkg/cxl/cxl-cdat.go
@@ -124,7 +124,12 @@ func (cdat *DOE_CAP) dicover_data_objects() {
 		if !cdat.doe_busy() {
 			cdat.doe_request(request)
 			for !cdat.doe_ready() {
+				if retry > maxRetry {
+					klog.V(DBG_LVL_BASIC).InfoS("cxl-DOE.dicover_data_objects", "timeout", retry)
+					return
+				}
 				time.Sleep(time.Duration(MB_CHECK_INTERVAL) * time.Millisecond)
+				retry++
 			}
 			response := cdat.doe_response()
 			discover_response := parseStruct(u32toByte([]uint32{response.Data_Object_DW[0]}), DOE_Discovery_Response{})