Lines Matching refs:nb
491 struct notifier_block *nb) in iommu_group_register_notifier() argument
493 return blocking_notifier_chain_register(&group->notifier, nb); in iommu_group_register_notifier()
505 struct notifier_block *nb) in iommu_group_unregister_notifier() argument
507 return blocking_notifier_chain_unregister(&group->notifier, nb); in iommu_group_unregister_notifier()
749 static int iommu_bus_notifier(struct notifier_block *nb, in iommu_bus_notifier() argument
805 struct notifier_block *nb; in iommu_bus_init() local
810 nb = kzalloc(sizeof(struct notifier_block), GFP_KERNEL); in iommu_bus_init()
811 if (!nb) in iommu_bus_init()
814 nb->notifier_call = iommu_bus_notifier; in iommu_bus_init()
816 err = bus_register_notifier(bus, nb); in iommu_bus_init()
818 kfree(nb); in iommu_bus_init()
824 bus_unregister_notifier(bus, nb); in iommu_bus_init()
825 kfree(nb); in iommu_bus_init()