diff options
| -rw-r--r-- | drivers/iommu/iommu.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index b5ea203f6c68..d43120eb1dc5 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -1680,8 +1680,12 @@ static void probe_alloc_default_domain(struct bus_type *bus, static int iommu_group_do_dma_attach(struct device *dev, void *data) { struct iommu_domain *domain = data; + int ret = 0; - return __iommu_attach_device(domain, dev); + if (!iommu_is_attach_deferred(domain, dev)) + ret = __iommu_attach_device(domain, dev); + + return ret; } static int __iommu_group_dma_attach(struct iommu_group *group) |