34 	struct virtual_nci_dev *vdev = nci_get_drvdata(ndev);  in virtual_nci_open()  local
36 	vdev->running = true;  in virtual_nci_open()
42 	struct virtual_nci_dev *vdev = nci_get_drvdata(ndev);  in virtual_nci_close()  local
44 	mutex_lock(&vdev->mtx);  in virtual_nci_close()
45 	kfree_skb(vdev->send_buff);  in virtual_nci_close()
46 	vdev->send_buff = NULL;  in virtual_nci_close()
47 	vdev->running = false;  in virtual_nci_close()
48 	mutex_unlock(&vdev->mtx);  in virtual_nci_close()
55 	struct virtual_nci_dev *vdev = nci_get_drvdata(ndev);  in virtual_nci_send()  local
57 	mutex_lock(&vdev->mtx);  in virtual_nci_send()
58 	if (vdev->send_buff || !vdev->running) {  in virtual_nci_send()
59 		mutex_unlock(&vdev->mtx);  in virtual_nci_send()
63 	vdev->send_buff = skb_copy(skb, GFP_KERNEL);  in virtual_nci_send()
64 	if (!vdev->send_buff) {  in virtual_nci_send()
65 		mutex_unlock(&vdev->mtx);  in virtual_nci_send()
69 	mutex_unlock(&vdev->mtx);  in virtual_nci_send()
70 	wake_up_interruptible(&vdev->wq);  in virtual_nci_send()
85 	struct virtual_nci_dev *vdev = file->private_data;  in virtual_ncidev_read()  local
88 	mutex_lock(&vdev->mtx);  in virtual_ncidev_read()
89 	while (!vdev->send_buff) {  in virtual_ncidev_read()
90 		mutex_unlock(&vdev->mtx);  in virtual_ncidev_read()
91 		if (wait_event_interruptible(vdev->wq, vdev->send_buff))  in virtual_ncidev_read()
93 		mutex_lock(&vdev->mtx);  in virtual_ncidev_read()
96 	actual_len = min_t(size_t, count, vdev->send_buff->len);  in virtual_ncidev_read()
98 	if (copy_to_user(buf, vdev->send_buff->data, actual_len)) {  in virtual_ncidev_read()
99 		mutex_unlock(&vdev->mtx);  in virtual_ncidev_read()
103 	skb_pull(vdev->send_buff, actual_len);  in virtual_ncidev_read()
104 	if (vdev->send_buff->len == 0) {  in virtual_ncidev_read()
105 		consume_skb(vdev->send_buff);  in virtual_ncidev_read()
106 		vdev->send_buff = NULL;  in virtual_ncidev_read()
108 	mutex_unlock(&vdev->mtx);  in virtual_ncidev_read()
117 	struct virtual_nci_dev *vdev = file->private_data;  in virtual_ncidev_write()  local
129 	nci_recv_frame(vdev->ndev, skb);  in virtual_ncidev_write()
136 	struct virtual_nci_dev *vdev;  in virtual_ncidev_open()  local
138 	vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);  in virtual_ncidev_open()
139 	if (!vdev)  in virtual_ncidev_open()
141 	vdev->ndev = nci_allocate_device(&virtual_nci_ops,  in virtual_ncidev_open()
143 	if (!vdev->ndev) {  in virtual_ncidev_open()
144 		kfree(vdev);  in virtual_ncidev_open()
148 	mutex_init(&vdev->mtx);  in virtual_ncidev_open()
149 	init_waitqueue_head(&vdev->wq);  in virtual_ncidev_open()
150 	file->private_data = vdev;  in virtual_ncidev_open()
151 	nci_set_drvdata(vdev->ndev, vdev);  in virtual_ncidev_open()
153 	ret = nci_register_device(vdev->ndev);  in virtual_ncidev_open()
155 		nci_free_device(vdev->ndev);  in virtual_ncidev_open()
156 		mutex_destroy(&vdev->mtx);  in virtual_ncidev_open()
157 		kfree(vdev);  in virtual_ncidev_open()
166 	struct virtual_nci_dev *vdev = file->private_data;  in virtual_ncidev_close()  local
168 	nci_unregister_device(vdev->ndev);  in virtual_ncidev_close()
169 	nci_free_device(vdev->ndev);  in virtual_ncidev_close()
170 	mutex_destroy(&vdev->mtx);  in virtual_ncidev_close()
171 	kfree(vdev);  in virtual_ncidev_close()
179 	struct virtual_nci_dev *vdev = file->private_data;  in virtual_ncidev_ioctl()  local
180 	const struct nfc_dev *nfc_dev = vdev->ndev->nfc_dev;  in virtual_ncidev_ioctl()