Re: [PATCH -next] input: touchscreen: mxs-lradc: Fix return value check in mxs_lradc_ts_probe()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Wei,

On Mon, Apr 24, 2017 at 11:26 PM, Wei Yongjun <weiyj.lk@xxxxxxxxx> wrote:
> From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
>
> In case of error, the function devm_ioremap() returns NULL pointer
> not ERR_PTR(). The IS_ERR() test in the return value check should
> be replaced with NULL test.

I'd rather we switched to devm_ioremap_resource() that does return
ERR_PTR-encoded error.

>
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
>  drivers/input/touchscreen/mxs-lradc-ts.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/touchscreen/mxs-lradc-ts.c b/drivers/input/touchscreen/mxs-lradc-ts.c
> index 4b4aebf..ff9cda2 100644
> --- a/drivers/input/touchscreen/mxs-lradc-ts.c
> +++ b/drivers/input/touchscreen/mxs-lradc-ts.c
> @@ -631,8 +631,8 @@ static int mxs_lradc_ts_probe(struct platform_device *pdev)
>
>         iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>         ts->base = devm_ioremap(dev, iores->start, resource_size(iores));
> -       if (IS_ERR(ts->base))
> -               return PTR_ERR(ts->base);
> +       if (!ts->base)
> +               return -ENOMEM;
>
>         ret = of_property_read_u32(node, "fsl,lradc-touchscreen-wires",
>                                    &ts_wires);
>

Thanks.

-- 
Dmitry
--
To unsubscribe from this list: send the line "unsubscribe linux-input" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux