crimson/osd/pg: check if backfill_state exists when judging objects'

degradation

Signed-off-by: Xuehan Xu <xuxuehan@qianxin.com>
(cherry picked from commit 04764838b5395a4e4d0c872f2d2a433fc4aec074)

diff --git a/src/crimson/osd/pg.cc b/src/crimson/osd/pg.cc
index 3d5bb20d408b33c0b3eb995e3d9a0ac8d8ffe5b8..09f7c9cfe20cdef28aff93bf8172b66494703b11 100644 (file)
--- a/src/crimson/osd/pg.cc
+++ b/src/crimson/osd/pg.cc
@@ -1510,6 +1510,7 @@ bool PG::is_degraded_or_backfilling_object(const hobject_t& soid) const {
     // we are backfilling it
     if (is_backfill_target(peer) &&
         peering_state.get_peer_info(peer).last_backfill <= soid &&
+        recovery_handler->backfill_state &&
        recovery_handler->backfill_state->get_last_backfill_started() >= soid &&
        recovery_backend->is_recovering(soid)) {
       return true;