49 struct hiddev {  struct
65 	struct hiddev *hiddev;  argument
164 	struct hiddev *hiddev = hid->hiddev;  in hiddev_send_event()  local
168 	spin_lock_irqsave(&hiddev->list_lock, flags);  in hiddev_send_event()
169 	list_for_each_entry(list, &hiddev->list, node) {  in hiddev_send_event()
178 	spin_unlock_irqrestore(&hiddev->list_lock, flags);  in hiddev_send_event()
180 	wake_up_interruptible(&hiddev->wait);  in hiddev_send_event()
242 	spin_lock_irqsave(&list->hiddev->list_lock, flags);  in hiddev_release()
244 	spin_unlock_irqrestore(&list->hiddev->list_lock, flags);  in hiddev_release()
246 	mutex_lock(&list->hiddev->existancelock);  in hiddev_release()
247 	if (!--list->hiddev->open) {  in hiddev_release()
248 		if (list->hiddev->exist) {  in hiddev_release()
249 			usbhid_close(list->hiddev->hid);  in hiddev_release()
250 			usbhid_put_power(list->hiddev->hid);  in hiddev_release()
252 			mutex_unlock(&list->hiddev->existancelock);  in hiddev_release()
253 			kfree(list->hiddev);  in hiddev_release()
259 	mutex_unlock(&list->hiddev->existancelock);  in hiddev_release()
273 	struct hiddev *hiddev;  in hiddev_open()  local
280 	hiddev = hid->hiddev;  in hiddev_open()
285 	list->hiddev = hiddev;  in hiddev_open()
292 	if (list->hiddev->exist) {  in hiddev_open()
293 		if (!list->hiddev->open++) {  in hiddev_open()
294 			res = usbhid_open(hiddev->hid);  in hiddev_open()
305 	spin_lock_irq(&list->hiddev->list_lock);  in hiddev_open()
306 	list_add_tail(&list->node, &hiddev->list);  in hiddev_open()
307 	spin_unlock_irq(&list->hiddev->list_lock);  in hiddev_open()
309 	mutex_lock(&hiddev->existancelock);  in hiddev_open()
310 	if (!list->hiddev->open++)  in hiddev_open()
311 		if (list->hiddev->exist) {  in hiddev_open()
312 			struct hid_device *hid = hiddev->hid;  in hiddev_open()
320 	mutex_unlock(&hiddev->existancelock);  in hiddev_open()
323 	mutex_unlock(&hiddev->existancelock);  in hiddev_open()
361 			prepare_to_wait(&list->hiddev->wait, &wait, TASK_INTERRUPTIBLE);  in hiddev_read()
368 				if (!list->hiddev->exist) {  in hiddev_read()
381 					finish_wait(&list->hiddev->wait, &wait);  in hiddev_read()
386 			finish_wait(&list->hiddev->wait, &wait);  in hiddev_read()
438 	poll_wait(file, &list->hiddev->wait, wait);  in hiddev_poll()
441 	if (!list->hiddev->exist)  in hiddev_poll()
449 static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd, void __user *user_a…  in hiddev_ioctl_usage()  argument
451 	struct hid_device *hid = hiddev->hid;  in hiddev_ioctl_usage()
568 static noinline int hiddev_ioctl_string(struct hiddev *hiddev, unsigned int cmd, void __user *user_…  in hiddev_ioctl_string()  argument
570 	struct hid_device *hid = hiddev->hid;  in hiddev_ioctl_string()
599 	struct hiddev *hiddev = list->hiddev;  in hiddev_ioctl()  local
612 	mutex_lock(&hiddev->existancelock);  in hiddev_ioctl()
613 	if (!hiddev->exist) {  in hiddev_ioctl()
618 	hid = hiddev->hid;  in hiddev_ioctl()
687 		r = hiddev_ioctl_string(hiddev, cmd, user_arg);  in hiddev_ioctl()
793 		r = hiddev_ioctl_usage(hiddev, cmd, user_arg);  in hiddev_ioctl()
837 	mutex_unlock(&hiddev->existancelock);  in hiddev_ioctl()
880 	struct hiddev *hiddev;  in hiddev_connect()  local
896 	if (!(hiddev = kzalloc(sizeof(struct hiddev), GFP_KERNEL)))  in hiddev_connect()
899 	init_waitqueue_head(&hiddev->wait);  in hiddev_connect()
900 	INIT_LIST_HEAD(&hiddev->list);  in hiddev_connect()
901 	spin_lock_init(&hiddev->list_lock);  in hiddev_connect()
902 	mutex_init(&hiddev->existancelock);  in hiddev_connect()
903 	hid->hiddev = hiddev;  in hiddev_connect()
904 	hiddev->hid = hid;  in hiddev_connect()
905 	hiddev->exist = 1;  in hiddev_connect()
909 		hid->hiddev = NULL;  in hiddev_connect()
910 		kfree(hiddev);  in hiddev_connect()
923 	struct hiddev *hiddev = hid->hiddev;  in hiddev_disconnect()  local
928 	mutex_lock(&hiddev->existancelock);  in hiddev_disconnect()
929 	hiddev->exist = 0;  in hiddev_disconnect()
931 	if (hiddev->open) {  in hiddev_disconnect()
932 		mutex_unlock(&hiddev->existancelock);  in hiddev_disconnect()
933 		usbhid_close(hiddev->hid);  in hiddev_disconnect()
934 		wake_up_interruptible(&hiddev->wait);  in hiddev_disconnect()
936 		mutex_unlock(&hiddev->existancelock);  in hiddev_disconnect()
937 		kfree(hiddev);  in hiddev_disconnect()