On 11/18/2012 04:46 AM, Guennadi Liakhovetski wrote:
> 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.
>
By changing irq to signed variable, we would get compilation warning in
subsequent line (request_irq).
> 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/
>
--
Tushar Behera
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