r == &global_trace) {
 		guard(rcu)();
 		list_for_each_entry_rcu(tr, &marker_copies, marker_list) {
-			written = write_raw_marker_to_buffer(tr, ubuf, cnt);
+			written = write_raw_marker_to_buffer(tr, buf, cnt);
 			if (written < 0)
 				break;
 		}
 	} else {
-		written = write_raw_marker_to_buffer(tr, ubuf, cnt);
+		written = write_raw_marker_to_buffer(tr, buf, cnt);
 	}
 
 	return written;FAILED: patch "[PATCH] tracing: Fix tracing_mark_raw_write() to use buf and not ubuf" failed to apply to 6.6-stable tree<gregkh@linuxfoundation.org> undefinedrostedt@goodmis.org,akpm@linux-foundation.org,mark.rutland@arm.com,mathieu.desnoyers@efficios.com,mhiramat@kernel.org undefined undefined undefined undefined undefined undefinedš