From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Mon, 4 Jan 2016 03:31:29 +0000 (+0800)
Subject: os: append null terminator manually
X-Git-Tag: v10.0.3~82^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=295029d2aa7e4e7889970e3e30073d74bdecc9ea;p=ceph.git

os: append null terminator manually

Fixes: #14188
Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>
---

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index 57bde5710279..30a97214e1ef 100644
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -990,6 +990,8 @@ int FileStore::read_fsid(int fd, uuid_d *uuid)
 
   if (ret > 36)
     fsid_str[36] = 0;
+  else
+    fsid_str[ret] = 0;
   if (!uuid->parse(fsid_str))
     return -EINVAL;
   return 0;