V4L/DVB (12772): tm6000: fix module load/unload

Signed-off-by: Michel Ludwig <michel.ludwig@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/staging/tm6000/tm6000-cards.c

@@ -230,6 +230,7 @@ static int tm6000_usb_probe(struct usb_interface *interface,
 	/* Increment usage count */
 	tm6000_devused|=1<<nr;
 
+	INIT_LIST_HEAD(&dev->tm6000_corelist);
 	dev->udev= usbdev;
 	dev->model=id->driver_info;
 	snprintf(dev->name, 29, "tm6000 #%d", nr);
@@ -354,8 +355,6 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
 	if (!dev)
 		return;
 
-	tm6000_i2c_unregister(dev);
-
 	printk("tm6000: disconnecting %s\n", dev->name);
 
 	mutex_lock(&dev->lock);
@@ -369,6 +368,7 @@ static void tm6000_usb_disconnect(struct usb_interface *interface)
 	dev->state |= DEV_DISCONNECTED;
 
 	mutex_unlock(&dev->lock);
+	kfree(dev);
 }
 
 static struct usb_driver tm6000_usb_driver = {

drivers/staging/tm6000/tm6000-video.c

@@ -1528,15 +1528,14 @@ int tm6000_v4l2_register(struct tm6000_core *dev)
 int tm6000_v4l2_unregister(struct tm6000_core *dev)
 {
 	struct tm6000_core *h;
-	struct list_head *list;
+	struct list_head *pos, *tmp;
 
-	while (!list_empty(&tm6000_corelist)) {
-		list = tm6000_corelist.next;
-		h = list_entry(list, struct tm6000_core, tm6000_corelist);
+	video_unregister_device(&dev->vfd);
+
+	list_for_each_safe(pos, tmp, &tm6000_corelist) {
+		h = list_entry(pos, struct tm6000_core, tm6000_corelist);
 		if (h == dev) {
-			video_unregister_device(&dev->vfd);
 			list_del(list);
-			kfree (h);
 		}
 	}