diff options
| -rw-r--r-- | drivers/iommu/intel/iommu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c index 79e0da9eb626..8f75c11a3ec4 100644 --- a/drivers/iommu/intel/iommu.c +++ b/drivers/iommu/intel/iommu.c @@ -4090,13 +4090,14 @@ void domain_remove_dev_pasid(struct iommu_domain *domain, break; } } - WARN_ON_ONCE(!dev_pasid); spin_unlock_irqrestore(&dmar_domain->lock, flags); cache_tag_unassign_domain(dmar_domain, dev, pasid); domain_detach_iommu(dmar_domain, iommu); - intel_iommu_debugfs_remove_dev_pasid(dev_pasid); - kfree(dev_pasid); + if (!WARN_ON_ONCE(!dev_pasid)) { + intel_iommu_debugfs_remove_dev_pasid(dev_pasid); + kfree(dev_pasid); + } } static void intel_iommu_remove_dev_pasid(struct device *dev, ioasid_t pasid, |