[PATCH] iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()

Will Deacon will at kernel.org
Fri May 6 09:07:05 PDT 2022


On Mon, 25 Apr 2022 19:41:36 +0800, Yang Yingliang wrote:
> It will cause null-ptr-deref when using 'res', if platform_get_resource()
> returns NULL, so move using 'res' after devm_ioremap_resource() that
> will check it to avoid null-ptr-deref.
> And use devm_platform_get_and_ioremap_resource() to simplify code.
> 
> 

Applied to will (for-joerg/arm-smmu/updates), thanks!

[1/1] iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()
      https://git.kernel.org/will/c/d9ed8af1dee3

Cheers,
-- 
Will

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