Fix LFS specs

lib/gitlab/lfs/response.rb

@@ -47,6 +47,8 @@ module Gitlab
       end
 
       def render_storage_upload_store_response(oid, size, tmp_file_name)
+        return render_forbidden unless tmp_file_name
+
         render_response_to_push do
           render_lfs_upload_ok(oid, size, tmp_file_name)
         end

lib/gitlab/lfs/router.rb

@@ -74,8 +74,6 @@ module Gitlab
           lfs.render_storage_upload_authorize_response(oid, size)
         else
           tmp_file_name = sanitize_tmp_filename(@request.env['HTTP_X_GITLAB_LFS_TMP'])
-          return nil unless tmp_file_name
-
           lfs.render_storage_upload_store_response(oid, size, tmp_file_name)
         end
       end

spec/requests/lfs_http_spec.rb

@@ -557,7 +557,7 @@ describe Gitlab::Lfs::Router do
         end
 
         it 'does not recognize it as a valid lfs command' do
-          expect(response).to have_http_status(401)
+          expect(response).to have_http_status(403)
         end
       end
     end