diff options
| -rw-r--r-- | drivers/pci/dmar.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pci/dmar.c b/drivers/pci/dmar.c index 380b60e677e0..3264b626725a 100644 --- a/drivers/pci/dmar.c +++ b/drivers/pci/dmar.c @@ -1226,7 +1226,7 @@ irqreturn_t dmar_fault(int irq, void *dev_id) source_id, guest_addr); fault_index++; - if (fault_index > cap_num_fault_regs(iommu->cap)) + if (fault_index >= cap_num_fault_regs(iommu->cap)) fault_index = 0; spin_lock_irqsave(&iommu->register_lock, flag); } |