diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-device.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-device.c | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c index 513969fa695..98a7f5e9cb1 100644 --- a/drivers/media/v4l2-core/v4l2-device.c +++ b/drivers/media/v4l2-core/v4l2-device.c @@ -159,31 +159,21 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, sd->v4l2_dev = v4l2_dev; if (sd->internal_ops && sd->internal_ops->registered) { err = sd->internal_ops->registered(sd); - if (err) { - module_put(sd->owner); - return err; - } + if (err) + goto error_module; } /* This just returns 0 if either of the two args is NULL */ err = v4l2_ctrl_add_handler(v4l2_dev->ctrl_handler, sd->ctrl_handler, NULL); - if (err) { - if (sd->internal_ops && sd->internal_ops->unregistered) - sd->internal_ops->unregistered(sd); - module_put(sd->owner); - return err; - } + if (err) + goto error_unregister; #if defined(CONFIG_MEDIA_CONTROLLER) /* Register the entity. */ if (v4l2_dev->mdev) { err = media_device_register_entity(v4l2_dev->mdev, entity); - if (err < 0) { - if (sd->internal_ops && sd->internal_ops->unregistered) - sd->internal_ops->unregistered(sd); - module_put(sd->owner); - return err; - } + if (err < 0) + goto error_unregister; } #endif @@ -192,6 +182,14 @@ int v4l2_device_register_subdev(struct v4l2_device *v4l2_dev, spin_unlock(&v4l2_dev->lock); return 0; + +error_unregister: + if (sd->internal_ops && sd->internal_ops->unregistered) + sd->internal_ops->unregistered(sd); +error_module: + module_put(sd->owner); + sd->v4l2_dev = NULL; + return err; } EXPORT_SYMBOL_GPL(v4l2_device_register_subdev); |