diff options
Diffstat (limited to 'drivers/media/video/v4l2-device.c')
| -rw-r--r-- | drivers/media/video/v4l2-device.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/video/v4l2-device.c b/drivers/media/video/v4l2-device.c index 8c0ad8b372d8..cfbd8a38991d 100644 --- a/drivers/media/video/v4l2-device.c +++ b/drivers/media/video/v4l2-device.c @@ -47,9 +47,8 @@ int v4l2_device_register(struct device *dev, struct v4l2_device *v4l2_dev) if (!v4l2_dev->name[0]) snprintf(v4l2_dev->name, sizeof(v4l2_dev->name), "%s %s", dev->driver->name, dev_name(dev)); - if (dev_get_drvdata(dev)) - v4l2_warn(v4l2_dev, "Non-NULL drvdata on register\n"); - dev_set_drvdata(dev, v4l2_dev); + if (!dev_get_drvdata(dev)) + dev_set_drvdata(dev, v4l2_dev); return 0; } EXPORT_SYMBOL_GPL(v4l2_device_register); @@ -72,10 +71,12 @@ EXPORT_SYMBOL_GPL(v4l2_device_set_name); void v4l2_device_disconnect(struct v4l2_device *v4l2_dev) { - if (v4l2_dev->dev) { + if (v4l2_dev->dev == NULL) + return; + + if (dev_get_drvdata(v4l2_dev->dev) == v4l2_dev) dev_set_drvdata(v4l2_dev->dev, NULL); - v4l2_dev->dev = NULL; - } + v4l2_dev->dev = NULL; } EXPORT_SYMBOL_GPL(v4l2_device_disconnect); |