Re: [PATCH 05/14] [media] atmel-isi: Update error check for unsignedvariables

[Guennadi Liakhovetski]

On Fri, 16 Nov 2012, Tushar Behera wrote:

> Checking '< 0' for unsigned variables always returns false. For error
> codes, use IS_ERR_VALUE() instead.

Wouldn't just changing "irq" type to "int" also work? I think that would 
be a more straight-forward solution. If however there are strong arguments 
against that, I'm fine with this fix too.

Thanks
Guennadi

> 
> CC: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
> CC: linux-media@xxxxxxxxxxxxxxx
> Signed-off-by: Tushar Behera <tushar.behera@xxxxxxxxxx>
> ---
>  drivers/media/platform/soc_camera/atmel-isi.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
> index 6274a91..5bd65df 100644
> --- a/drivers/media/platform/soc_camera/atmel-isi.c
> +++ b/drivers/media/platform/soc_camera/atmel-isi.c
> @@ -1020,7 +1020,7 @@ static int __devinit atmel_isi_probe(struct platform_device *pdev)
>  	isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS);
>  
>  	irq = platform_get_irq(pdev, 0);
> -	if (irq < 0) {
> +	if (IS_ERR_VALUE(irq)) {
>  		ret = irq;
>  		goto err_req_irq;
>  	}
> -- 
> 1.7.4.1
> 
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---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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