diff options
Diffstat (limited to 'drivers/iommu/dmar.c')
| -rw-r--r-- | drivers/iommu/dmar.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 3821c4786..8ffd7568f 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1064,13 +1064,19 @@ static int alloc_iommu(struct dmar_drhd_unit *drhd) raw_spin_lock_init(&iommu->register_lock); - drhd->iommu = iommu; - - if (intel_iommu_enabled) + if (intel_iommu_enabled) { iommu->iommu_dev = iommu_device_create(NULL, iommu, intel_iommu_groups, "%s", iommu->name); + if (IS_ERR(iommu->iommu_dev)) { + err = PTR_ERR(iommu->iommu_dev); + goto err_unmap; + } + } + + drhd->iommu = iommu; + return 0; err_unmap: |