From 4b79eda16822999828f2cdf257723df478e94a74 Mon Sep 17 00:00:00 2001
From: Weixin-Xu <xwx@weixin-1.novalocal>
Date: Mon, 8 Jan 2018 15:32:17 +0800
Subject: [PATCH] [Trafodion-2890] When using failed connection handle to alloc
 statement handle, crash happens

---
 .../odbc/odbcclient/unixcli/DrvrManager/drvrmanager.cpp         | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/core/conn/unixodbc/odbc/odbcclient/unixcli/DrvrManager/drvrmanager.cpp b/core/conn/unixodbc/odbc/odbcclient/unixcli/DrvrManager/drvrmanager.cpp
index 9bc0763578..5d74a862a4 100644
--- a/core/conn/unixodbc/odbc/odbcclient/unixcli/DrvrManager/drvrmanager.cpp
+++ b/core/conn/unixodbc/odbc/odbcclient/unixcli/DrvrManager/drvrmanager.cpp
@@ -86,6 +86,8 @@ SQLRETURN  SQL_API SQLAllocHandle(SQLSMALLINT HandleType,
 			}
 			break;
 		case SQL_HANDLE_STMT:
+            if (!IS_VALID_HDBC (InputHandle))
+                return SQL_INVALID_HANDLE;
 		    rc = NeoAllocHandle(SQL_HANDLE_STMT, InputHandle, (SQLHSTMT*)OutputHandle);
 			//rc = SQLAllocStmt(InputHandle,(SQLHSTMT *)OutputHandle);
 			RETURNCODE (InputHandle,rc);