!2278 [sync] PR-2269:  etmem: Fixed an issue where the module reference counting is incorrect

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/2269 
 
PR sync from: liubo <liubo254@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/IGZYKHQURLPZANFK7OW3XUTPYOMBZELW/ 
 
https://gitee.com/openeuler/kernel/issues/I839LV 
 
Link:https://gitee.com/openeuler/kernel/pulls/2278 

Reviewed-by: Kefeng Wang <wangkefeng.wang@huawei.com> 
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>