From: Sage Weil <sage@redhat.com>
Date: Mon, 4 Jan 2016 14:05:34 +0000 (-0500)
Subject: os/filestore: fix valgrind warning on fsid read
X-Git-Tag: v10.0.3~88^2~31
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=0d935067da6771cb7ccbf839bc35c2d1c2185df5;p=ceph.git

os/filestore: fix valgrind warning on fsid read

Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index de2df61a0c4c..c1bfdc3479b4 100644
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -978,6 +978,7 @@ int FileStore::mkjournal()
 int FileStore::read_fsid(int fd, uuid_d *uuid)
 {
   char fsid_str[40];
+  memset(fsid_str, 0, sizeof(fsid_str));
   int ret = safe_read(fd, fsid_str, sizeof(fsid_str));
   if (ret < 0)
     return ret;