Re: [PATCH 2/2] serial: liteuart: Correct error rollback

From: Gabriel L. Somlo
Date: Mon Jan 23 2023 - 12:42:49 EST


On Mon, Jan 23, 2023 at 07:38:57PM +0200, Ilpo Järvinen wrote:
> Goto to the correct rollback label instead of directly returning.
>
> Fixes: 5602cf99dcdc ("serial: liteuart: add IRQ support for the RX path")
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <error27@xxxxxxxxx>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
> ---
> drivers/tty/serial/liteuart.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/liteuart.c b/drivers/tty/serial/liteuart.c
> index ef557d59e4c8..192ad681de35 100644
> --- a/drivers/tty/serial/liteuart.c
> +++ b/drivers/tty/serial/liteuart.c
> @@ -313,7 +313,7 @@ static int liteuart_probe(struct platform_device *pdev)
>
> ret = platform_get_irq_optional(pdev, 0);
> if (ret < 0 && ret != -ENXIO)
> - return ret;
> + goto err_erase_id;

That was my mistake, sorry, and thanks for the super-quick fix! :)

Reviewed-by: Gabriel Somlo <gsomlo@xxxxxxxxx>

> if (ret > 0)
> port->irq = ret;
>
> --
> 2.30.2
>