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iommufd/selftest: Don't leak the platform device memory when unloading the module 

It should call platform_device_unregister() instead of
platform_device_del() to unregister and free the device.

Fixes: 23a1b46f15 ("iommufd/selftest: Make the mock iommu driver into a real driver")
Link: https://lore.kernel.org/r/20230816081318.1232865-1-yangyingliang@huawei.com
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Yang Yingliang 2023-08-16 16:13:18 +08:00 committed by Jason Gunthorpe
parent 55243393b0
commit eb501c2d96
1 changed files with 2 additions and 2 deletions
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4
drivers/iommu/iommufd/selftest.c
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@ -1089,7 +1089,7 @@ err_sysfs:
err_bus:
bus_unregister(&iommufd_mock_bus_type.bus);
err_platform:
platform_device_del(selftest_iommu_dev);
platform_device_unregister(selftest_iommu_dev);
err_dbgfs:
debugfs_remove_recursive(dbgfs_root);
return rc;
@ -1102,6 +1102,6 @@ void iommufd_test_exit(void)
&iommufd_mock_bus_type.bus,
&iommufd_mock_bus_type.nb);
bus_unregister(&iommufd_mock_bus_type.bus);
platform_device_del(selftest_iommu_dev);
platform_device_unregister(selftest_iommu_dev);
debugfs_remove_recursive(dbgfs_root);
}