Re: [PATCH] mtd:elm: Use correct check on return value of pm_runtime_get_sync

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-avinash
On 02/05/2014 07:42 AM, Stefan Sørensen wrote:
> The ELM driver incorrectly reagard any non-zero return value from
> pm_runtime_get_sync as an error, but it may return 1 if the device
> was already active. Fix to only error when return value is negative.
> 
> Signed-off-by: Stefan Sørensen <stefan.sorensen@xxxxxxxxxxxxxxx>
> ---
>  drivers/mtd/devices/elm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/mtd/devices/elm.c b/drivers/mtd/devices/elm.c
> index d1dd6a3..e2c073c 100644
> --- a/drivers/mtd/devices/elm.c
> +++ b/drivers/mtd/devices/elm.c
> @@ -380,7 +380,7 @@ static int elm_probe(struct platform_device *pdev)
>  	}
>  
>  	pm_runtime_enable(&pdev->dev);
> -	if (pm_runtime_get_sync(&pdev->dev)) {
> +	if (pm_runtime_get_sync(&pdev->dev) < 0) {
>  		ret = -EINVAL;
>  		pm_runtime_disable(&pdev->dev);
>  		dev_err(&pdev->dev, "can't enable clock\n");
> 

Though unrelated to specifically this, elm_resume has a get_sync
without error check..

Further, you might want to cc the mailing lists generated by
./scripts/get_maintainer.pl

-- 
Regards,
Nishanth Menon
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