From 0b537ab3f8cdc4ba64308eb859c3d54b2f47c8d4 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Thu, 17 May 2018 10:51:46 -0500
Subject: [PATCH] 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>
(cherry picked from commit 42bdb066bb0397dbb84a2ca60ec4640cdd0afdef)
---
 src/mon/PGMap.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mon/PGMap.cc b/src/mon/PGMap.cc
index 6cc8f86443778..39090d5715396 100644
--- 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;
     }
-- 
2.47.3