Hi

On Tue, 28 May 2013, Wei Yongjun wrote:

> From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
> 
> Fix to return a negative error code instead of 0 when we cannot get
> IRQ source by platform_get_irq(), as done elsewhere in this function.
> 
> Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>

Thanks for the patch. Do you think the following version would be even a 
bit simpler?

diff --git a/drivers/mmc/host/sh_mobile_sdhi.c 
b/drivers/mmc/host/sh_mobile_sdhi.c
index fe90853..76661b6 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -255,18 +255,17 @@ static int sh_mobile_sdhi_probe(struct platform_device 
*pdev)
        if (multiplexed_isr) {
                while (1) {
                        irq = platform_get_irq(pdev, i);
-                       if (irq < 0)
-                               break;
+                       /* There must be at least one IRQ source */
+                       if (irq < 0) {
+                               ret = irq;
+                               goto eirq;
+                       }
                        i++;
                        ret = devm_request_irq(&pdev->dev, irq, tmio_mmc_irq, 0,
                                          dev_name(&pdev->dev), host);
                        if (ret)
                                goto eirq;
                }
-
-               /* There must be at least one IRQ source */
-               if (!i)
-                       goto eirq;
        }
 
        dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n",

If you agree, maybe you could send a v2 of your patch in this form, I'll 
ack it then.

Thanks
Guennadi

> ---
>  drivers/mmc/host/sh_mobile_sdhi.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mmc/host/sh_mobile_sdhi.c 
> b/drivers/mmc/host/sh_mobile_sdhi.c
> index cc4c872..a4316b3 100644
> --- a/drivers/mmc/host/sh_mobile_sdhi.c
> +++ b/drivers/mmc/host/sh_mobile_sdhi.c
> @@ -273,8 +273,10 @@ static int sh_mobile_sdhi_probe(struct platform_device 
> *pdev)
>               }
>  
>               /* There must be at least one IRQ source */
> -             if (!i)
> +             if (!i) {
> +                     ret = irq;
>                       goto eirq;
> +             }
>       }
>  
>       dev_info(&pdev->dev, "%s base at 0x%08lx clock rate %u MHz\n",
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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