[PATCH -next v2] iommu/exynos: Fix return value check in exynos_iommu_of_setup()

[andi.shyti@samsung.com (Andi Shyti)]

Hi Wei,

On Thu, Jul 07, 2016 at 02:59:32AM +0000, weiyj_lk at 163.com wrote:
> From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
> 
> In case of error, the function of_platform_device_create() returns
> NULL pointer not ERR_PTR(). The IS_ERR() test in the return value
> check should be replaced with NULL test.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>

Reviewed-by: Andi Shyti <andi.shyti@samsung.com>

Thanks,
Andi

> ---
> v1 -> v2: chenge the error code to -ENODEV
> ---
>  drivers/iommu/exynos-iommu.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index 33dcc29..9b23059 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -1345,8 +1345,8 @@ static int __init exynos_iommu_of_setup(struct device_node *np)
>  		exynos_iommu_init();
>  
>  	pdev = of_platform_device_create(np, NULL, platform_bus_type.dev_root);
> -	if (IS_ERR(pdev))
> -		return PTR_ERR(pdev);
> +	if (!pdev)
> +		return -ENODEV;
>  
>  	/*
>  	 * use the first registered sysmmu device for performing
> 
> 
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