diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/mtk_iommu.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c index 87c4626c9072..189165e7a2ab 100644 --- a/drivers/iommu/mtk_iommu.c +++ b/drivers/iommu/mtk_iommu.c @@ -739,15 +739,30 @@ static int mtk_iommu_probe(struct platform_device *pdev) ret = iommu_device_register(&data->iommu); if (ret) - return ret; + goto out_sysfs_remove; spin_lock_init(&data->tlb_lock); list_add_tail(&data->list, &m4ulist); - if (!iommu_present(&platform_bus_type)) - bus_set_iommu(&platform_bus_type, &mtk_iommu_ops); + if (!iommu_present(&platform_bus_type)) { + ret = bus_set_iommu(&platform_bus_type, &mtk_iommu_ops); + if (ret) + goto out_list_del; + } - return component_master_add_with_match(dev, &mtk_iommu_com_ops, match); + ret = component_master_add_with_match(dev, &mtk_iommu_com_ops, match); + if (ret) + goto out_bus_set_null; + return ret; + +out_bus_set_null: + bus_set_iommu(&platform_bus_type, NULL); +out_list_del: + list_del(&data->list); + iommu_device_unregister(&data->iommu); +out_sysfs_remove: + iommu_device_sysfs_remove(&data->iommu); + return ret; } static int mtk_iommu_remove(struct platform_device *pdev) |