!2636 kernel/trace: Fix do not unregister tracepoints when register sched_migrate_task fail

Merge Pull Request from: @ci-robot 
 
PR sync from: Wenyu Huang <huangwenyu4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/YZ65TZJ7R54ZY4KYSGMYRM37MR4JAJRZ/ 
 
https://gitee.com/openeuler/kernel/issues/I8BAW8 
 
Link:https://gitee.com/openeuler/kernel/pulls/2636

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>