diff options
| -rw-r--r-- | drivers/iommu/dmar.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 80e3c176008e..add177a37f00 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1070,6 +1070,12 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) intel_iommu_groups, "%s", iommu->name); + if (IS_ERR(iommu->iommu_dev)) { + drhd->iommu = NULL; + err = PTR_ERR(iommu->iommu_dev); + goto err_unmap; + } + return 0; err_unmap: |