On Thu, Oct 29, 2020 at 05:22:44PM +0800, Yu Kuai wrote:
> If of_find_device_by_node() failed in sun50i_iommu_of_xlate(), null
> pointer dereference will be triggered. Thus return error code if
> of_find_device_by_node() failed.
> 
> Fixes: 4100b8c229b3("iommu: Add Allwinner H6 IOMMU driver")
> Signed-off-by: Yu Kuai <yukuai3@huawei.com>

Acked-by: Maxime Ripard <mripard@kernel.org>

Thanks!
Maxime