From 27f6745def82693c661aaf0a1a6353790955755c Mon Sep 17 00:00:00 2001
From: wu-changsheng <wuchangsheng2@huawei.com>
Date: Sat, 3 Sep 2022 20:51:41 +0800
Subject: [PATCH 18/20] read data with err event

---
 src/lstack/core/lstack_lwip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lstack/core/lstack_lwip.c b/src/lstack/core/lstack_lwip.c
index 35b67f5..10c2cd9 100644
--- a/src/lstack/core/lstack_lwip.c
+++ b/src/lstack/core/lstack_lwip.c
@@ -577,7 +577,7 @@ ssize_t read_stack_data(int32_t fd, void *buf, size_t len, int32_t flags)
         GAZELLE_RETURN(EINVAL);
     }
 
-    if (sock->errevent > 0) {
+    if (sock->errevent > 0 && !NETCONN_IS_DATAIN(sock)) {
         return 0;
     }
 
-- 
2.23.0