From d40b72310ff2ae50ca7a19b2ed38b638a79003cc Mon Sep 17 00:00:00 2001
From: zgit2021 <zhaowenqiang14@huawei.com>
Date: Tue, 31 Aug 2021 09:34:21 +0000
Subject: [PATCH] fix "remain" overflowed warning.

Signed-off-by: zgit2021 <zhaowenqiang14@huawei.com>
---
 trans_service/source/libdistbus/tcp_session_manager.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/trans_service/source/libdistbus/tcp_session_manager.c b/trans_service/source/libdistbus/tcp_session_manager.c
index 5cb77c4..c1baf66 100644
--- a/trans_service/source/libdistbus/tcp_session_manager.c
+++ b/trans_service/source/libdistbus/tcp_session_manager.c
@@ -515,6 +515,10 @@ static bool HandleRequestMsg(TcpSession *session)
     int remain = dataLen;
     while (remain > 0) {
         size = TcpRecvData(session->fd, data + total, remain, 0);
+        if (size < 0) {
+            SOFTBUS_PRINT("[TRANS] TcpRecvData fail\n");
+            return false;
+        }
         if (size >= remain) {
             break;
         }