Commit 2f31dbde authored Nov 28, 2023 by Hui Tang Committed by Yipeng Zou Nov 28, 2023

sched: clear credit count in error branch

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I7EBSH


CVE: NA

-------------------------------

Clear credit count if sched_prefer_cpus_fork failed.

Fixes: 243865da ("cpuset: Introduce new interface for scheduler dynamic affinity")
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Reviewed-by: Zhang Qiao <zhangqiao22@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>
Signed-off-by: Yipeng Zou <zouyipeng@huawei.com>

parent 5bb07682

kernel/fork.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2068,7 +2068,7 @@ static __latent_entropy struct task_struct *copy_process(
		#ifdef CONFIG_QOS_SCHED_DYNAMIC_AFFINITY
		retval = sched_prefer_cpus_fork(p, current->prefer_cpus);
		if (retval)
		goto bad_fork_free;
		goto bad_fork_cleanup_count;
		#endif

		lockdep_assert_irqs_enabled();