diff options
Diffstat (limited to 'drivers/iommu/iommu-sysfs.c')
| -rw-r--r-- | drivers/iommu/iommu-sysfs.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/drivers/iommu/iommu-sysfs.c b/drivers/iommu/iommu-sysfs.c index 99869217fbec..170022c09536 100644 --- a/drivers/iommu/iommu-sysfs.c +++ b/drivers/iommu/iommu-sysfs.c @@ -34,7 +34,7 @@ static void release_device(struct device *dev) kfree(dev); } -static struct class iommu_class = { +static const struct class iommu_class = { .name = "iommu", .dev_release = release_device, .dev_groups = dev_groups, @@ -107,9 +107,6 @@ int iommu_device_link(struct iommu_device *iommu, struct device *link) { int ret; - if (!iommu || IS_ERR(iommu)) - return -ENODEV; - ret = sysfs_add_link_to_group(&iommu->dev->kobj, "devices", &link->kobj, dev_name(link)); if (ret) @@ -122,14 +119,9 @@ int iommu_device_link(struct iommu_device *iommu, struct device *link) return ret; } -EXPORT_SYMBOL_GPL(iommu_device_link); void iommu_device_unlink(struct iommu_device *iommu, struct device *link) { - if (!iommu || IS_ERR(iommu)) - return; - sysfs_remove_link(&link->kobj, "iommu"); sysfs_remove_link_from_group(&iommu->dev->kobj, "devices", dev_name(link)); } -EXPORT_SYMBOL_GPL(iommu_device_unlink); |