From: haodong <haodong.tang@intel.com>
Date: Wed, 17 Aug 2016 15:26:18 +0000 (+0800)
Subject: kv: fix iterator bug in prev
X-Git-Tag: ses5-milestone5~95^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F10550%2Fhead;p=ceph.git

kv: fix iterator bug in prev

Signed-off-by: Haodong Tang <haodong.tang@intel.com>
---

diff --git a/src/kv/MemDB.cc b/src/kv/MemDB.cc
index b0563882c83f..9e6c4c670921 100644
--- a/src/kv/MemDB.cc
+++ b/src/kv/MemDB.cc
@@ -478,8 +478,8 @@ int MemDB::MDBWholeSpaceIteratorImpl:: prev()
     return -1;
   }
   free_last();
-  m_iter--;
-  if (m_iter != m_btree_p->end()) {
+  if (m_iter != m_btree_p->begin()) {
+    m_iter--;
     fill_current();
     return 0;
   } else {