iommu/sun50i: Fix return value check in sun50i_iommu_probe()
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: 4100b8c2 ("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> Link: https://lore.kernel.org/r/20200519091857.134170-1-weiyongjun1@huawei.com Signed-off-by:
Joerg Roedel <jroedel@suse.de>
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