From bebea1c5d640bcca86e343aa7156df40e22e3b70 Mon Sep 17 00:00:00 2001
From: Yan Jun <yan.jun8@zte.com.cn>
Date: Wed, 20 Sep 2017 16:47:13 +0800
Subject: [PATCH] osd/PrimaryLogPG: avoid accessing value of map.end()

Signed-off-by: Yan Jun <yan.jun8@zte.com.cn>
---
 src/osd/PrimaryLogPG.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/osd/PrimaryLogPG.cc b/src/osd/PrimaryLogPG.cc
index de0ea8df453..e74d5bfb2f2 100644
--- a/src/osd/PrimaryLogPG.cc
+++ b/src/osd/PrimaryLogPG.cc
@@ -6965,8 +6965,8 @@ int PrimaryLogPG::_rollback_to(OpContext *ctx, ceph_osd_op& op)
 
       map<snapid_t, interval_set<uint64_t> >::iterator iter =
 	snapset.clone_overlap.lower_bound(snapid);
-      interval_set<uint64_t> overlaps = iter->second;
       assert(iter != snapset.clone_overlap.end());
+      interval_set<uint64_t> overlaps = iter->second;
       for ( ;
 	    iter != snapset.clone_overlap.end();
 	    ++iter)
-- 
2.39.5