Unverified Commit 0945ccf5 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13121 blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Qixing <zhengqixing@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FXTXILKEFPQOIWK6EUW5ZIPWLTELA7FG/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB0ENF 
 
Link:https://gitee.com/openeuler/kernel/pulls/13121

 

Reviewed-by: default avatarYu Kuai <yukuai3@huawei.com>
Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 9586f809 b6ad1658

block/blk-rq-qos.c

+1 −1
Original line number Diff line number Diff line
@@ -219,8 +219,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr, 


	data->got_token = true;

	smp_wmb();

	list_del_init(&curr->entry);

	wake_up_process(data->task);

	list_del_init_careful(&curr->entry);

	return 1;

}