On Tue, Jun 06, 2023 at 11:26:25AM +0300, Dan Carpenter wrote: > The put_device() function will call serial_base_ctrl_release() or > serial_base_port_release() so these kfrees() are a double free bug. ... These labels are also called without device being even added. So, this is not good enough as far as I can tell. -- With Best Regards, Andy Shevchenko