mgr/DaemonServer: avoid dereferencing end() iterator

Fixes: http://tracker.ceph.com/issues/23249
Signed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit 97ef5a85100d3166910fc401465950c59a6664f1)

diff --git a/src/mgr/DaemonServer.cc b/src/mgr/DaemonServer.cc
index 421c87d8a6f457a3fcaf504804635befe6375d5f..437972eb46a1a6149108111949136c782a03c981 100644 (file)
--- a/src/mgr/DaemonServer.cc
+++ b/src/mgr/DaemonServer.cc
@@ -1224,8 +1224,7 @@ bool DaemonServer::handle_command(MCommand *m)
                auto p = pg_map.osd_stat.find(osd);
                if (p == pg_map.osd_stat.end()) {
                  missing_stats.insert(osd);
-               }
-               if (p->second.num_pgs > 0) {
+               } else if (p->second.num_pgs > 0) {
                  stored_pgs.insert(osd);
                }
              }