From: Jianjian Huo <samuel.huo@gmail.com>
Date: Tue, 16 Feb 2016 19:16:08 +0000 (-0500)
Subject: os/kstore: fix valgrind warning on fsid read
X-Git-Tag: v10.1.0~313^2~9
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=926eb7760f536cb1dc3f3956c8a862e50e2b3e80;p=ceph.git

os/kstore: fix valgrind warning on fsid read

Signed-off-by: Jianjian Huo <samuel.huo@gmail.com>
---

diff --git a/src/os/kstore/KStore.cc b/src/os/kstore/KStore.cc
index 7de1b16fcf16..aba227d10497 100644
--- a/src/os/kstore/KStore.cc
+++ b/src/os/kstore/KStore.cc
@@ -722,6 +722,7 @@ int KStore::_open_fsid(bool create)
 int KStore::_read_fsid(uuid_d *uuid)
 {
   char fsid_str[40];
+  memset(fsid_str, 0, sizeof(fsid_str));
   int ret = safe_read(fsid_fd, fsid_str, sizeof(fsid_str));
   if (ret < 0) {
     derr << __func__ << " failed: " << cpp_strerror(ret) << dendl;