Unverified Commit e6ee6d51 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10630 sched/deadline: Fix task_struct reference leak 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zheng Zucheng <zhengzucheng@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/2BWXPGIRQLX375MRXBT3OABFSDTNDEF5/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGEN4 
 
Link:https://gitee.com/openeuler/kernel/pulls/10630

 

Reviewed-by: default avatarYang Yingliang <yangyingliang@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents e6bd197e 836f84e5

kernel/sched/deadline.c

+5 −1
Original line number Diff line number Diff line
@@ -1528,8 +1528,12 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags) 
			 * The replenish timer needs to be canceled. No

			 * problem if it fires concurrently: boosted threads

			 * are ignored in dl_task_timer().

			 *

			 * If the timer callback was running (hrtimer_try_to_cancel == -1),

			 * it will eventually call put_task_struct().

			 */

			hrtimer_try_to_cancel(&p->dl.dl_timer);

			if (hrtimer_try_to_cancel(&p->dl.dl_timer) == 1)

				put_task_struct(p);

			p->dl.dl_throttled = 0;

		}

	} else if (!dl_prio(p->normal_prio)) {