Unverified Commit 1fb9dc2b authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8952 ACPI: video: check for error while searching for backlight device parent 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yu Liao <liaoyu15@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6DLVRRQXWYFRJKSTKC5XLDZHACZC3R45/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9Q9CJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/8952

 

Reviewed-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents a0fd26a8 86416f69

drivers/acpi/acpi_video.c

+6 −6
Original line number Diff line number Diff line
@@ -1788,13 +1788,13 @@ static void acpi_video_dev_register_backlight(struct acpi_video_device *device) 
		return;

	count++;



	acpi_get_parent(device->dev->handle, &acpi_parent);



	if (ACPI_SUCCESS(acpi_get_parent(device->dev->handle, &acpi_parent))) {

		pdev = acpi_get_pci_dev(acpi_parent);

		if (pdev) {

			parent = &pdev->dev;

			pci_dev_put(pdev);

		}

	}



	memset(&props, 0, sizeof(struct backlight_properties));

	props.type = BACKLIGHT_FIRMWARE;