rgw: fix for uninitialized oldest_gen/latest_gen

when data sync queries RGWOp_BILog_Info from an un-upgraded gateway, it
doesn't include the oldest_gen/latest_gen fields. so initialize these
variables to 0 by default

Signed-off-by: Casey Bodley <cbodley@redhat.com>

diff --git a/src/rgw/rgw_data_sync.h b/src/rgw/rgw_data_sync.h
index bc0063e9e0fe1c7190002a6b3c8c56fd718fdca6..6ce22ba8767c6fa8d89f51704f137cc23b737626 100644 (file)
--- a/src/rgw/rgw_data_sync.h
+++ b/src/rgw/rgw_data_sync.h
@@ -647,8 +647,8 @@ struct rgw_bucket_index_marker_info {
   std::string master_ver;
   std::string max_marker;
   bool syncstopped{false};
-  uint64_t oldest_gen;
-  uint64_t latest_gen;
+  uint64_t oldest_gen = 0;
+  uint64_t latest_gen = 0;
 
   void decode_json(JSONObj *obj) {
     JSONDecoder::decode_json("bucket_ver", bucket_ver, obj);