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

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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@xxxxxxxxxx>

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

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

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