From: Zhang Song <zhangsong02@qianxin.com>
Date: Mon, 4 Mar 2024 03:15:52 +0000 (+0800)
Subject: osd/SnapManager: fix std::string constructed from 0
X-Git-Tag: v19.1.1~391^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=48f4b5ce59df474a8fb3c4d5ed5cdb478f86fefb;p=ceph.git

osd/SnapManager: fix std::string constructed from 0

Signed-off-by: Zhang Song <zhangsong02@qianxin.com>
(cherry picked from commit 4c62ae3dccabfd96a50472b05911b4f9cd4743ab)
---

diff --git a/src/osd/SnapMapper.cc b/src/osd/SnapMapper.cc
index 1d3bfa95b9a61..4c8494a19f6f5 100644
--- a/src/osd/SnapMapper.cc
+++ b/src/osd/SnapMapper.cc
@@ -147,7 +147,7 @@ int OSDriver::get_next_or_current(
     ch, hoid, FuturizedStore::Shard::omap_keys_t{key}
   ).safe_then([&key, next_or_current] (FuturizedStore::Shard::omap_values_t&& vals) {
     assert(vals.size() == 1);
-    *next_or_current = std::make_pair(key, std::move(vals[0]));
+    *next_or_current = std::make_pair(key, std::move(vals.begin()->second));
     return 0;
   }, FuturizedStore::Shard::read_errorator::all_same_way(
     [next_or_current, &key, this] {