linux-kernel - [PATCH v6 4/4] iommu/arm-smmu-nvidia: fix the warning reported by kbuild test robot

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Message-ID: <20200604234414.21912-5-vdumpa@nvidia.com>
Date:   Thu, 4 Jun 2020 16:44:14 -0700
From:   Krishna Reddy <vdumpa@...dia.com>
To:     unlisted-recipients:; (no To-header on input)
CC:     <joro@...tes.org>, <will@...nel.org>, <robin.murphy@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <iommu@...ts.linux-foundation.org>, <linux-kernel@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <treding@...dia.com>,
        <yhsu@...dia.com>, <snikam@...dia.com>, <praithatha@...dia.com>,
        <talho@...dia.com>, <bbiswas@...dia.com>, <mperttunen@...dia.com>,
        <nicolinc@...dia.com>, <bhuntsman@...dia.com>,
        Krishna Reddy <vdumpa@...dia.com>,
        kbuild test robot <lkp@...el.com>
Subject: [PATCH v6 4/4] iommu/arm-smmu-nvidia: fix the warning reported by kbuild test robot

>> drivers/iommu/arm-smmu-nvidia.c:151:33: sparse: sparse: cast removes
>> address space '<asn:2>' of expression

Reported-by: kbuild test robot <lkp@...el.com>
Signed-off-by: Krishna Reddy <vdumpa@...dia.com>
---
 drivers/iommu/arm-smmu-nvidia.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/arm-smmu-nvidia.c b/drivers/iommu/arm-smmu-nvidia.c
index 5999b6a770992..6348d8dc17fc2 100644
--- a/drivers/iommu/arm-smmu-nvidia.c
+++ b/drivers/iommu/arm-smmu-nvidia.c
@@ -248,7 +248,7 @@ struct arm_smmu_device *nvidia_smmu_impl_init(struct arm_smmu_device *smmu)
 			break;
 		nsmmu->bases[i] = devm_ioremap_resource(dev, res);
 		if (IS_ERR(nsmmu->bases[i]))
-			return (struct arm_smmu_device *)nsmmu->bases[i];
+			return ERR_CAST(nsmmu->bases[i]);
 		nsmmu->num_inst++;
 	}
 
-- 
2.26.2