[alsa-devel] [PATCH 1/2] ASoC: nuc900: Fix platform_get_irq() error checking some more

[arvindY]

Hi Dan,

On Saturday 09 December 2017 05:22 PM, Dan Carpenter wrote:
> The error handling doesn't work here because "nuc900_audio->irq_num" is
> unsigned.  Also we should be checking for < 0 and not <= 0 but I believe
> that's harmless.  The platform_get_irq() comments don't talk about the
> return values...
Sorry for this  patch. I will fix it and send you updated patch.
Thanks for point it.
> Fixes: fa8cc38165c2 ("ASoC: nuc900: Fix platform_get_irq's error checking")
> Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
>
> diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c
> index 5e4fbd2d3479..71fce7c85c93 100644
> --- a/sound/soc/nuc900/nuc900-ac97.c
> +++ b/sound/soc/nuc900/nuc900-ac97.c
> @@ -345,11 +345,10 @@ static int nuc900_ac97_drvprobe(struct platform_device *pdev)
>   		goto out;
>   	}
>   
> -	nuc900_audio->irq_num = platform_get_irq(pdev, 0);
> -	if (nuc900_audio->irq_num <= 0) {
> -		ret = nuc900_audio->irq_num < 0 ? nuc900_audio->irq_num : -EBUSY;
> +	ret = platform_get_irq(pdev, 0);
> +	if (ret < 0)
>   		goto out;
> -	}
> +	nuc900_audio->irq_num = ret;
>   
>   	nuc900_ac97_data = nuc900_audio;
>   
~arvind