diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/intel_irq_remapping.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 7af0b56dc2d1..27541d440849 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -702,9 +702,11 @@ static int __init intel_enable_irq_remapping(void) return eim ? IRQ_REMAP_X2APIC_MODE : IRQ_REMAP_XAPIC_MODE; error: - /* - * handle error condition gracefully here! - */ + for_each_iommu(iommu, drhd) + if (ecap_ir_support(iommu->ecap)) { + iommu_disable_irq_remapping(iommu); + intel_teardown_irq_remapping(iommu); + } if (x2apic_present) pr_warn("Failed to enable irq remapping. You are vulnerable to irq-injection attacks.\n"); |