diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/arm-smmu.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index 1f79daa5f4b1..e4693cee5f2c 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1798,12 +1798,11 @@ static int arm_smmu_device_dt_probe(struct platform_device *pdev) smmu->num_context_irqs++; } - if (num_irqs < smmu->num_global_irqs) { - dev_warn(dev, "found %d interrupts but expected at least %d\n", - num_irqs, smmu->num_global_irqs); - smmu->num_global_irqs = num_irqs; + if (!smmu->num_context_irqs) { + dev_err(dev, "found %d interrupts but expected at least %d\n", + num_irqs, smmu->num_global_irqs + 1); + return -ENODEV; } - smmu->num_context_irqs = num_irqs - smmu->num_global_irqs; smmu->irqs = devm_kzalloc(dev, sizeof(*smmu->irqs) * num_irqs, GFP_KERNEL); |