From dc94eb76ca6df95b7aceefe5dd80eae706cc49a5 Mon Sep 17 00:00:00 2001
From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Wed, 6 Jan 2016 16:47:36 +0800
Subject: [PATCH] BlueStore: fix potential null pointer access

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---
 src/os/bluestore/BlueStore.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index f7a04319cbb92..ea9a3e40316ca 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -5530,7 +5530,7 @@ int BlueStore::_truncate(TransContext *txc,
 
   RWLock::WLocker l(c->lock);
   OnodeRef o = c->get_onode(oid, false);
-  if (!o->exists) {
+  if (!o || !o->exists) {
     r = -ENOENT;
     goto out;
   }
-- 
2.39.5