diff options
Diffstat (limited to 'drivers/infiniband/core/uverbs_std_types_async_fd.c')
| -rw-r--r-- | drivers/infiniband/core/uverbs_std_types_async_fd.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/drivers/infiniband/core/uverbs_std_types_async_fd.c b/drivers/infiniband/core/uverbs_std_types_async_fd.c index 82ec0806b34b..cc24cfdf7aee 100644 --- a/drivers/infiniband/core/uverbs_std_types_async_fd.c +++ b/drivers/infiniband/core/uverbs_std_types_async_fd.c @@ -19,15 +19,42 @@ static int UVERBS_HANDLER(UVERBS_METHOD_ASYNC_EVENT_ALLOC)( return 0; } -static int uverbs_async_event_destroy_uobj(struct ib_uobject *uobj, - enum rdma_remove_reason why) +static void uverbs_async_event_destroy_uobj(struct ib_uobject *uobj, + enum rdma_remove_reason why) { struct ib_uverbs_async_event_file *event_file = container_of(uobj, struct ib_uverbs_async_event_file, uobj); ib_unregister_event_handler(&event_file->event_handler); + + if (why == RDMA_REMOVE_DRIVER_REMOVE) + ib_uverbs_async_handler(event_file, 0, IB_EVENT_DEVICE_FATAL, + NULL, NULL); +} + +int uverbs_async_event_release(struct inode *inode, struct file *filp) +{ + struct ib_uverbs_async_event_file *event_file; + struct ib_uobject *uobj = filp->private_data; + int ret; + + if (!uobj) + return uverbs_uobject_fd_release(inode, filp); + + event_file = + container_of(uobj, struct ib_uverbs_async_event_file, uobj); + + /* + * The async event FD has to deliver IB_EVENT_DEVICE_FATAL even after + * disassociation, so cleaning the event list must only happen after + * release. The user knows it has reached the end of the event stream + * when it sees IB_EVENT_DEVICE_FATAL. + */ + uverbs_uobject_get(uobj); + ret = uverbs_uobject_fd_release(inode, filp); ib_uverbs_free_event_queue(&event_file->ev_queue); - return 0; + uverbs_uobject_put(uobj); + return ret; } DECLARE_UVERBS_NAMED_METHOD( |