iommu/arm-smmu: fix error return code in arm_smmu_device_dt_probe()

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@trendmicro.com.cn>
Signed-off-by: Will Deacon <will.deacon@arm.com>

diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index ef77e3dd6dd29262d52ad1d5ea08f79336fcc279..e46a88700b6824c735967118281c9f7feb6e41b0 100644 (file)
--- 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;
        }