[PATCH 3/3] iommu/arm-smmu: fix error return code in arm_smmu_device_dt_probe()

[Will Deacon]

From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>

Fix to return -ENODEV instead of 0 when context interrupt number
does no match in arm_smmu_device_dt_probe().

Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
Signed-off-by: Will Deacon <will.deacon at arm.com>
---
 drivers/iommu/arm-smmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index ef77e3dd6dd2..e46a88700b68 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1852,6 +1852,7 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev)
 		dev_err(dev,
 			"found only %d context interrupt(s) but %d required\n",
 			smmu->num_context_irqs, smmu->num_context_banks);
+		err = -ENODEV;
 		goto out_put_parent;
 	}
 
-- 
1.8.2.2