+ kfree(radio->transfer_buffer);
+ kfree(radio);
+ }
+ return 0;
+}
+
+/* File system interface */
+static const struct file_operations usb_dsbr100_fops = {
+ .owner = THIS_MODULE,
+ .open = usb_dsbr100_open,
+ .release = usb_dsbr100_close,
+ .ioctl = video_ioctl2,
+ .compat_ioctl = v4l_compat_ioctl32,
+ .llseek = no_llseek,
+};
+
+/* V4L2 interface */
+static struct video_device dsbr100_videodev_template =
+{
+ .owner = THIS_MODULE,
+ .name = "D-Link DSB-R 100",
+ .type = VID_TYPE_TUNER,
+ .fops = &usb_dsbr100_fops,
+ .release = video_device_release,
+ .vidioc_querycap = vidioc_querycap,
+ .vidioc_g_tuner = vidioc_g_tuner,
+ .vidioc_s_tuner = vidioc_s_tuner,
+ .vidioc_g_frequency = vidioc_g_frequency,
+ .vidioc_s_frequency = vidioc_s_frequency,
+ .vidioc_queryctrl = vidioc_queryctrl,
+ .vidioc_g_ctrl = vidioc_g_ctrl,
+ .vidioc_s_ctrl = vidioc_s_ctrl,
+ .vidioc_g_audio = vidioc_g_audio,
+ .vidioc_s_audio = vidioc_s_audio,
+ .vidioc_g_input = vidioc_g_input,
+ .vidioc_s_input = vidioc_s_input,
+};
+
+/* check if the device is present and register with v4l and
+usb if it is */
+static int usb_dsbr100_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct dsbr100_device *radio;
+
+ if (!(radio = kmalloc(sizeof(struct dsbr100_device), GFP_KERNEL)))
+ return -ENOMEM;
+ if (!(radio->transfer_buffer = kmalloc(TB_LEN, GFP_KERNEL))) {