From bde973221fe7eabbf9e0052a9c981f517b1836ed Mon Sep 17 00:00:00 2001
From: hjxilinx <hjxilinx@163.com>
Date: Sat, 18 Jan 2020 14:29:05 +0800
Subject: [PATCH] fix bugs of releasing qhandle

---
 src/system/detail/src/vnodeShell.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/system/detail/src/vnodeShell.c b/src/system/detail/src/vnodeShell.c
index 4943eb1da9..4732867d7e 100644
--- a/src/system/detail/src/vnodeShell.c
+++ b/src/system/detail/src/vnodeShell.c
@@ -215,7 +215,10 @@ void vnodeCloseShellVnode(int vnode) {
   if (shellList[vnode] == NULL) return;
 
   for (int i = 0; i < vnodeList[vnode].cfg.maxSessions; ++i) {
-    vnodeDecRefCount(shellList[vnode][i].qhandle);
+    void* qhandle = shellList[vnode][i].qhandle;
+    if (qhandle != NULL) {
+      vnodeDecRefCount(qhandle);
+    }
   }
 
   int32_t* v = malloc(sizeof(int32_t));
-- 
GitLab