Unverified Commit 82948c64 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12510 devres: Fix memory leakage caused by driver API devm_free_percpu() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Zekun <zhangzekun11@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/O4IOG4DDX6QMBTULUVXUIATOQRYZKBST/ 
 
https://gitee.com/src-openeuler/kernel/issues/IALERD 
 
Link:https://gitee.com/openeuler/kernel/pulls/12510

 

Reviewed-by: default avatarWeilong Chen <chenweilong@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 9b2f76eb ed3c97dc

drivers/base/devres.c

+5 −1
Original line number Diff line number Diff line
@@ -1227,7 +1227,11 @@ EXPORT_SYMBOL_GPL(__devm_alloc_percpu); 
 */

void devm_free_percpu(struct device *dev, void __percpu *pdata)

{

	WARN_ON(devres_destroy(dev, devm_percpu_release, devm_percpu_match,

	/*

	 * Use devres_release() to prevent memory leakage as

	 * devm_free_pages() does.

	 */

	WARN_ON(devres_release(dev, devm_percpu_release, devm_percpu_match,

			       (void *)pdata));

}

EXPORT_SYMBOL_GPL(devm_free_percpu);