On Sat, Aug 26, 2023 at 03:54:59PM +0800, Zhang Shurong wrote:
> The platform_get_irq might be failed and return a negative result. So
> there should have an error handling code.
>
> Fixed this by adding an error handling code.
>
> Fixes: c4b058560762 ("serial:st-asc: Add ST ASC driver.")
> Signed-off-by: Zhang Shurong <zhang_shurong@xxxxxxxxxxx>
> ---
> v1->v2: generated patch based on tty-next tree.
>
> drivers/tty/serial/st-asc.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c
> index e7048515a79c..3d60ab6e9581 100644
> --- a/drivers/tty/serial/st-asc.c
> +++ b/drivers/tty/serial/st-asc.c
> @@ -723,9 +723,13 @@ static int asc_init_port(struct asc_port *ascport,
> port->ops = &asc_uart_ops;
> port->fifosize = ASC_FIFO_SIZE;
> port->dev = &pdev->dev;
> - port->irq = platform_get_irq(pdev, 0);
> port->has_sysrq = IS_ENABLED(CONFIG_SERIAL_ST_ASC_CONSOLE);
>
> + ret = platform_get_irq(pdev, 0);
> + if (ret < 0)
> + return ret;
> + port->irq = ret;
> +
> res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> port->membase = devm_ioremap_resource(&pdev->dev, res);
> if (IS_ERR(port->membase))
> --
> 2.30.2
>
Does not apply to 6.6-rc2 :(
