mon/PGMap: fix PGMapDigest decode

The compat path wasn't clearing the map before filling in new entries.

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

diff --git a/src/mon/PGMap.cc b/src/mon/PGMap.cc
index 6cc8f86443778c5f1b87dfdc8919477d70e6f7dc..39090d5715396218e208043a33ce14c49909b2e3 100644 (file)
--- a/src/mon/PGMap.cc
+++ b/src/mon/PGMap.cc
@@ -78,6 +78,7 @@ void PGMapDigest::decode(bufferlist::iterator& p)
   } else {
     map<int32_t, int32_t> nps;
     decode(nps, p);
+    num_pg_by_state.clear();
     for (auto i : nps) {
       num_pg_by_state[i.first] = i.second;
     }