From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Fri, 7 Oct 2016 03:20:49 +0000 (+0800)
Subject: os/bluestore: sanity check iterator of BufferSpace::_rm_buffer()
X-Git-Tag: v11.1.0~705^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=9fafd7d42537ca85b6de5bb14ea54754a1e1448e;p=ceph.git

os/bluestore: sanity check iterator of BufferSpace::_rm_buffer()

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/bluestore/BlueStore.h b/src/os/bluestore/BlueStore.h
index 1e4c2564aac1..6489662aa6de 100644
--- a/src/os/bluestore/BlueStore.h
+++ b/src/os/bluestore/BlueStore.h
@@ -240,6 +240,7 @@ public:
       _rm_buffer(buffer_map.find(b->offset));
     }
     void _rm_buffer(map<uint64_t,std::unique_ptr<Buffer>>::iterator p) {
+      assert(p != buffer_map.end());
       cache->_audit("_rm_buffer start");
       if (p->second->is_writing()) {
         writing.erase(writing.iterator_to(*p->second));