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Diffstat (limited to 'drivers/media/video/v4l2-device.c')
-rw-r--r--drivers/media/video/v4l2-device.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c
index b3dcb845437..94aa485ade5 100644
--- a/drivers/media/video/v4l2-device.c
+++ b/drivers/media/video/v4l2-device.c
@@ -49,19 +49,26 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev)
}
EXPORT_SYMBOL_GPL(v4l2_device_register);
+void v4l2_device_disconnect(struct v4l2_device *v4l2_dev)
+{
+ if (v4l2_dev->dev) {
+ dev_set_drvdata(v4l2_dev->dev, NULL);
+ v4l2_dev->dev = NULL;
+ }
+}
+EXPORT_SYMBOL_GPL(v4l2_device_disconnect);
+
void v4l2_device_unregister(struct v4l2_device *v4l2_dev)
{
struct v4l2_subdev *sd, *next;
if (v4l2_dev == NULL)
return;
- if (v4l2_dev->dev)
- dev_set_drvdata(v4l2_dev->dev, NULL);
+ v4l2_device_disconnect(v4l2_dev);
+
/* Unregister subdevs */
list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list)
v4l2_device_unregister_subdev(sd);
-
- v4l2_dev->dev = NULL;
}
EXPORT_SYMBOL_GPL(v4l2_device_unregister);