rgw: get_bucket_header will return -ENOENT when there is no header

Signed-off-by: Orit Wasserman <owasserm@redhat.com>

diff --git a/src/cls/rgw/cls_rgw.cc b/src/cls/rgw/cls_rgw.cc
index 9335cdd4c694c8bd0ef6d56f4e8deb732cb9a76b..cc2bd3eccfd18fb810ebf1656246bd078fd781c3 100644 (file)
--- a/src/cls/rgw/cls_rgw.cc
+++ b/src/cls/rgw/cls_rgw.cc
@@ -370,6 +370,10 @@ static int read_bucket_header(cls_method_context_t hctx, struct rgw_bucket_dir_h
   int rc = cls_cxx_map_read_header(hctx, &bl);
   if (rc < 0)
     return rc;
+
+  if (bl.length() == 0) {
+      return -ENOENT;
+  }
   bufferlist::iterator iter = bl.begin();
   try {
     ::decode(*header, iter);