Re: [PATCH] video: fbdev: pxafb: Use correct return value for pxafb_probe()

From: Bartlomiej Zolnierkiewicz
Date: Mon Jun 01 2020 - 09:25:31 EST



On 5/25/20 9:11 AM, Tiezhu Yang wrote:
> When call function devm_platform_ioremap_resource(), we should use IS_ERR()
> to check the return value and return PTR_ERR() if failed.
>
> Signed-off-by: Tiezhu Yang <yangtiezhu@xxxxxxxxxxx>

Applied to drm-misc-next tree (patch should show up in v5.9), thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics

> ---
> drivers/video/fbdev/pxafb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/video/fbdev/pxafb.c b/drivers/video/fbdev/pxafb.c
> index 00b96a7..423331c 100644
> --- a/drivers/video/fbdev/pxafb.c
> +++ b/drivers/video/fbdev/pxafb.c
> @@ -2305,7 +2305,7 @@ static int pxafb_probe(struct platform_device *dev)
> fbi->mmio_base = devm_platform_ioremap_resource(dev, 0);
> if (IS_ERR(fbi->mmio_base)) {
> dev_err(&dev->dev, "failed to get I/O memory\n");
> - ret = -EBUSY;
> + ret = PTR_ERR(fbi->mmio_base);
> goto failed;
> }
>
>