[PATCH] media: nuvoton: npcm-video: Fix IS_ERR() vs NULL bug

Kun-Fa Lin milkfafa at gmail.com
Tue Oct 3 23:02:33 AEDT 2023


Hi Dan,

Thanks for the patch.

> The of_parse_phandle() function returns NULL on error.  It never returns
> error pointers.  Update the check accordingly.

Commit message contains some redundant whitespaces.

>
> Fixes: 70721089985c ("media: nuvoton: Add driver for NPCM video capture and encoding engine")
> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> ---
>  drivers/media/platform/nuvoton/npcm-video.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/platform/nuvoton/npcm-video.c b/drivers/media/platform/nuvoton/npcm-video.c
> index ac8d73b794d3..b9e6782f59b4 100644
> --- a/drivers/media/platform/nuvoton/npcm-video.c
> +++ b/drivers/media/platform/nuvoton/npcm-video.c
> @@ -1660,9 +1660,9 @@ static int npcm_video_ece_init(struct npcm_video *video)
>         void __iomem *regs;
>
>         ece_node = of_parse_phandle(video->dev->of_node, "nuvoton,ece", 0);
> -       if (IS_ERR(ece_node)) {
> +       if (!ece_node) {
>                 dev_err(dev, "Failed to get ECE phandle in DTS\n");
> -               return PTR_ERR(ece_node);
> +               return -ENODEV;
>         }
>
>         video->ece.enable = of_device_is_available(ece_node);

Others,
Reviewed-by: Marvin Lin <milkfafa at gmail.com>

Regards,
Marvin


More information about the openbmc mailing list