Use fail_with

Author: jvazquez-r7

modules/exploits/unix/webapp/wp_downloadmanager_upload.rb

@@ -64,8 +64,7 @@ def exploit
         register_files_for_cleanup(uploaded_filename)
         print_status("#{peer} - File #{uploaded_filename} successfully uploaded")
       else
-        print_error("#{peer} - Error on uploading file")
-        return
+        fail_with(Failure::Unknown, "#{peer} - Error on uploading file")
       end
 
       file_path = normalize_uri(target_uri, 'wp-content', 'uploads', 'download-manager-files', uploaded_filename)