Searched refs:unreg_sem (Results 1 – 2 of 2) sorted by relevance
33 lockdep_assert_held(&parent->unreg_sem); in mdev_device_remove_common()68 init_rwsem(&parent->unreg_sem); in mdev_register_parent()100 down_write(&parent->unreg_sem); in mdev_unregister_parent()104 up_write(&parent->unreg_sem); in mdev_unregister_parent()181 if (!down_read_trylock(&parent->unreg_sem)) { in mdev_device_create()200 up_read(&parent->unreg_sem); in mdev_device_create()207 up_read(&parent->unreg_sem); in mdev_device_create()238 if (!down_read_trylock(&parent->unreg_sem)) in mdev_device_remove()242 up_read(&parent->unreg_sem); in mdev_device_remove()
45 struct rw_semaphore unreg_sem; member