Unverified Commit 962fce19 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!4105 PCI/sysfs: Take reference on device to be removed 

Merge Pull Request from: @ci-robot 
 
PR sync from: Xiongfeng Wang <wangxiongfeng2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/LZTZS5KHC33V43ZLOS3DDKK35GZ3XNWX/ 
 
https://gitee.com/openeuler/kernel/issues/I8XVM8 
 
Link:https://gitee.com/openeuler/kernel/pulls/4105

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: default avatarXie XiuQi <xiexiuqi@huawei.com>
parents 1cb962a5 f3ffd503

drivers/pci/pci-sysfs.c

+7 −2
Original line number Diff line number Diff line
@@ -483,12 +483,17 @@ static ssize_t remove_store(struct device *dev, struct device_attribute *attr, 
			    const char *buf, size_t count)

{

	unsigned long val;

	struct pci_dev *pdev = to_pci_dev(dev);



	if (kstrtoul(buf, 0, &val) < 0)

		return -EINVAL;



	if (val && device_remove_file_self(dev, attr))

		pci_stop_and_remove_bus_device_locked(to_pci_dev(dev));

	if (val) {

		pci_dev_get(pdev);

		if (device_remove_file_self(dev, attr))

			pci_stop_and_remove_bus_device_locked(pdev);

		pci_dev_put(pdev);

	}

	return count;

}

static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0220, NULL,