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);