Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1348010

Re: [patch] iommu/exynos: checking for IS_ERR() instead of NULL

From Marek Szyprowski <m.szyprowski@samsung.com>
Newsgroups linux.kernel
Subject Re: [patch] iommu/exynos: checking for IS_ERR() instead of NULL
Date 2016-03-02 13:50 +0100
Message-ID <r8eo1-7DD-5@gated-at.bofh.it> (permalink)
References <r8c2S-6eY-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Hello,

On 2016-03-02 11:10, Dan Carpenter wrote:
> of_platform_device_create() returns NULL on error, it never returns
> error pointers.
>
> Fixes: 8ed55c812fa8 ('iommu/exynos: Init from dt-specific callback instead of initcall')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>

> diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
> index b066504..cb57bda 100644
> --- a/drivers/iommu/exynos-iommu.c
> +++ b/drivers/iommu/exynos-iommu.c
> @@ -1347,8 +1347,8 @@ 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 -ENOMEM;
>   
>   	/*
>   	 * use the first registered sysmmu device for performing
>
>

Best regards
-- 
Marek Szyprowski, PhD
Samsung R&D Institute Poland

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[patch] iommu/exynos: checking for IS_ERR() instead of NULL Dan Carpenter <dan.carpenter@oracle.com> - 2016-03-02 11:20 +0100
  Re: [patch] iommu/exynos: checking for IS_ERR() instead of NULL Marek Szyprowski <m.szyprowski@samsung.com> - 2016-03-02 13:50 +0100
  Re: [patch] iommu/exynos: checking for IS_ERR() instead of NULL Joerg Roedel <joro@8bytes.org> - 2016-03-02 16:00 +0100

csiph-web