On Tue, May 19, 2020 at 09:18:57AM +0000, Wei Yongjun wrote:
> In case of error, the function devm_platform_ioremap_resource() returns
> ERR_PTR() not NULL. The NULL test in the return value check must be
> replaced with IS_ERR().
> 
> Fixes: 4100b8c229b3 ("iommu: Add Allwinner H6 IOMMU driver")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>

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

Thanks!
Maxime