[PATCH] atmel_lcdfb: unsigned irq_base cannot be negative

[PATCH] atmel_lcdfb: unsigned irq_base cannot be negative

[roel kluin]

unsigned irq_base cannot be negative

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index f8d0a57..f93f57a 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -857,12 +857,12 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
 		goto stop_clk;
 	}
 
-	sinfo->irq_base = platform_get_irq(pdev, 0);
-	if (sinfo->irq_base < 0) {
+	ret = platform_get_irq(pdev, 0);
+	if (ret < 0) {
 		dev_err(dev, "unable to get irq\n");
-		ret = sinfo->irq_base;
 		goto stop_clk;
 	}
+	sinfo->irq_base = ret;
 
 	/* Initialize video memory */
 	map = platform_get_resource(pdev, IORESOURCE_MEM, 1);



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Re: [PATCH] atmel_lcdfb: unsigned irq_base cannot be negative

[Nicolas Ferre]

Hi,

roel kluin :
> unsigned irq_base cannot be negative

Indeed. Thanks for taking this point !

> Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
> ---
> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
> index f8d0a57..f93f57a 100644
> --- a/drivers/video/atmel_lcdfb.c
> +++ b/drivers/video/atmel_lcdfb.c
> @@ -857,12 +857,12 @@ static int __init atmel_lcdfb_probe(struct platform_device *pdev)
>  		goto stop_clk;
>  	}
>  
> -	sinfo->irq_base = platform_get_irq(pdev, 0);
> -	if (sinfo->irq_base < 0) {
> +	ret = platform_get_irq(pdev, 0);
> +	if (ret < 0) {
>  		dev_err(dev, "unable to get irq\n");
> -		ret = sinfo->irq_base;
>  		goto stop_clk;
>  	}
> +	sinfo->irq_base = ret;

I prefer changing the definition of irq_base to plain int.

So the patch becomes obvious:
-       unsigned long           irq_base;
+       int                     irq_base;

What do you think of this ?

I repost a patch addressing this issue.

Regards,
-- 
Nicolas Ferre