On Mon, Nov 15, 2021 at 02:37:44PM +0100, Johan Hovold wrote:
> Deregister the port when unbinding the driver to prevent it from being
> used after releasing the driver data and leaking memory allocated by
> serial core.
This looks good to me. Just curious did you test this on a Litex SoC/FPGA?
> Fixes: 1da81e5562fa ("drivers/tty/serial: add LiteUART driver")
> Cc: stable@xxxxxxxxxxxxxxx # 5.11
> Cc: Filip Kokosinski <fkokosinski@xxxxxxxxxxxx>
> Cc: Mateusz Holenko <mholenko@xxxxxxxxxxxx>
> Cc: Stafford Horne <shorne@xxxxxxxxx>
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
Reviewed-by: Stafford Horne <shorne@xxxxxxxxx>
> ---
> drivers/tty/serial/liteuart.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
> index f075f4ff5fcf..da792d0df790 100644
> --- a/drivers/tty/serial/liteuart.c
> +++ b/drivers/tty/serial/liteuart.c
> @@ -295,6 +295,7 @@ static int liteuart_remove(struct platform_device *pdev)
> struct uart_port *port = platform_get_drvdata(pdev);
> struct liteuart_port *uart = to_liteuart_port(port);
>
> + uart_remove_one_port(&liteuart_driver, port);
> xa_erase(&liteuart_array, uart->id);
>
> return 0;
> --
> 2.32.0
>
