mds: Release resource before return

Close file before return.
Fix coverity issue: CID 1019571

Signed-off-by: Li Wang <liwang@ubuntukylin.com>
Reported-by: Xianxia Xiao <xianxiaxiao@ubuntukylin.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>

diff --git a/src/mds/MDCache.cc b/src/mds/MDCache.cc
index ae59c26ee13bf37b10582480cfe8550dd0774146..17d4ce49188fa7001c1eefc2b88936778da658dd 100644 (file)
--- a/src/mds/MDCache.cc
+++ b/src/mds/MDCache.cc
@@ -11731,7 +11731,7 @@ void MDCache::dump_cache(const char *fn)
     std::string s = ss.str();
     r = safe_write(fd, s.c_str(), s.length());
     if (r < 0)
-      return;
+      goto out;
 
     list<CDir*> dfs;
     in->get_dirfrags(dfs);