[PATCH] serial/imx: propagate error from of_alias_get_id instead of using -ENODEV

[Jason Hui]

2011/12/15 Uwe Kleine-König <u.kleine-koenig at pengutronix.de>:
> A quick look at of_alias_get_id shows that in the error case it returns
> -ENODEV, too, but still it's better style to propagate the value as is.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> Cc: Shawn Guo <shawn.guo at linaro.org>
> Cc: Alan Cox <alan at linux.intel.com>
> Cc: Grant Likely <grant.likely at secretlab.ca>
> Cc: Jeremy Kerr <jeremy.kerr at canonical.com>
> Cc: Jason Liu <jason.hui at linaro.org>
> Cc: Sascha Hauer <s.hauer at pengutronix.de>
> ---
>  drivers/tty/serial/imx.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
> index 163fc90..75c159a 100644
> --- a/drivers/tty/serial/imx.c
> +++ b/drivers/tty/serial/imx.c
> @@ -1301,7 +1301,7 @@ static int serial_imx_probe_dt(struct imx_port *sport,
>        ret = of_alias_get_id(np, "serial");
>        if (ret < 0) {
>                dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret);
> -               return -ENODEV;
> +               return ret;
>        }
>        sport->port.line = ret;

Acked-by: Jason Liu <jason.hui at linaro.org>

>
> --
> 1.7.7.3
>