!2615 preempt/dynamic: Fix setup_preempt_mode() return value

Merge Pull Request from: @ci-robot 
 
PR sync from: Xia Fukun <xiafukun@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ZLFSTAKLBSX66IFSPFV3VV3TOCTSU7TS/ 
 
https://gitee.com/openeuler/kernel/issues/I8BAX7 
 
Link:https://gitee.com/openeuler/kernel/pulls/2615

 

Reviewed-by: Zucheng Zheng <zhengzucheng@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>