diff options
| -rw-r--r-- | drivers/iommu/iommu.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 49e7542..f286090 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -847,13 +847,24 @@ static int add_iommu_group(struct device *dev, void *data) { struct iommu_callback_data *cb = data; const struct iommu_ops *ops = cb->ops; + int ret; if (!ops->add_device) return 0; WARN_ON(dev->iommu_group); - return ops->add_device(dev); + ret = ops->add_device(dev); + + /* + * We ignore -ENODEV errors for now, as they just mean that the + * device is not translated by an IOMMU. We still care about + * other errors and fail to initialize when they happen. + */ + if (ret == -ENODEV) + ret = 0; + + return ret; } static int remove_iommu_group(struct device *dev, void *data) |
