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Diffstat (limited to 'kernel/drivers/iommu/iommu.c')
| -rw-r--r-- | kernel/drivers/iommu/iommu.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/drivers/iommu/iommu.c b/kernel/drivers/iommu/iommu.c index 0e3b0092e..515bb8b80 100644 --- a/kernel/drivers/iommu/iommu.c +++ b/kernel/drivers/iommu/iommu.c @@ -848,7 +848,8 @@ struct iommu_group *iommu_group_get_for_dev(struct device *dev) if (!group->default_domain) { group->default_domain = __iommu_domain_alloc(dev->bus, IOMMU_DOMAIN_DMA); - group->domain = group->default_domain; + if (!group->domain) + group->domain = group->default_domain; } ret = iommu_group_add_device(group, dev); |