From: Kefu Chai <kchai@redhat.com>
Date: Sun, 14 Apr 2019 07:49:00 +0000 (+0800)
Subject: mds/MDSCache: init empty string_view with {}
X-Git-Tag: v15.1.0~2896^2~11
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=013b2c95fe54e6e4c6cd59cc18f3ce79e8cf62d0;p=ceph.git

mds/MDSCache: init empty string_view with {}

nullptr is not a valid null-terminated character sequence

Signed-off-by: Kefu Chai <kchai@redhat.com>
---

diff --git a/src/mds/MDCache.h b/src/mds/MDCache.h
index 29a1af01c6e1..9898fc37c066 100644
--- a/src/mds/MDCache.h
+++ b/src/mds/MDCache.h
@@ -1264,7 +1264,7 @@ public:
 protected:
   int dump_cache(std::string_view fn, Formatter *f);
 public:
-  int dump_cache() { return dump_cache(NULL, NULL); }
+  int dump_cache() { return dump_cache({}, nullptr); }
   int dump_cache(std::string_view filename);
   int dump_cache(Formatter *f);
   void dump_tree(CInode *in, const int cur_depth, const int max_depth, Formatter *f);