mds/MDS.cc: prefer prefix ++operator for iterators

Signed-off-by: Danny Al-Gaaf <danny.al-gaaf@bisect.de>

diff --git a/src/mds/MDS.cc b/src/mds/MDS.cc
index 711391eba827b643125bd5c4537a1eeb3c2af35f..bb1c833c3bc8f1e0e9aedd23c964dae0f81d896a 100644 (file)
--- a/src/mds/MDS.cc
+++ b/src/mds/MDS.cc
@@ -1933,7 +1933,7 @@ bool MDS::_dispatch(Message *m)
     do {
       int k = rand() % s.size();
       set<int>::iterator p = s.begin();
-      while (k--) p++;
+      while (k--) ++p;
       dest = *p;
     } while (dest == whoami);
     mdcache->migrator->export_dir_nicely(dir,dest);