From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
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.
Fixes: 8ed55c812fa8 ("iommu/exynos: Init from dt-specific callback
instead of initcall")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Reviewed-by: Andi Shyti <andi.shyti@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Reviewed-by: Dennis Chen <dennis.chen@xxxxxxx>
---
v2 -> v3: added fixes and Reviewed-by.
---
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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