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[media] v4l: flash led class: Fix of_node release in probe() error path

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The sub-device's OF node was used (of_node_get()) if it was set, but
device's OF node was always put. Fix this.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Sakari Ailus 2016-10-05 04:13:10 -03:00 committed by Mauro Carvalho Chehab
parent c762ff1f7e
commit 079933dbcb
1 changed files with 4 additions and 10 deletions
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10
drivers/media/v4l2-core/v4l2-flash-led-class.c
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@ -638,7 +638,7 @@ struct v4l2_flash *v4l2_flash_init(
v4l2_flash->iled_cdev = iled_cdev;
v4l2_flash->ops = ops;
sd->dev = dev;
sd->of_node = of_node;
sd->of_node = of_node ? of_node : led_cdev->dev->of_node;
v4l2_subdev_init(sd, &v4l2_flash_subdev_ops);
sd->internal_ops = &v4l2_flash_subdev_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
@ -654,10 +654,7 @@ struct v4l2_flash *v4l2_flash_init(
if (ret < 0)
goto err_init_controls;
if (sd->of_node)
of_node_get(sd->of_node);
else
of_node_get(led_cdev->dev->of_node);
ret = v4l2_async_register_subdev(sd);
if (ret < 0)
@ -666,7 +663,7 @@ struct v4l2_flash *v4l2_flash_init(
return v4l2_flash;
err_async_register_sd:
of_node_put(led_cdev->dev->of_node);
of_node_put(sd->of_node);
v4l2_ctrl_handler_free(sd->ctrl_handler);
err_init_controls:
media_entity_cleanup(&sd->entity);
@ -688,10 +685,7 @@ void v4l2_flash_release(struct v4l2_flash *v4l2_flash)
v4l2_async_unregister_subdev(sd);
if (sd->of_node)
of_node_put(sd->of_node);
else
of_node_put(led_cdev->dev->of_node);
v4l2_ctrl_handler_free(sd->ctrl_handler);
media_entity_cleanup(&sd->entity);