!2818 Fix memleak in disassociate_ctty()

Merge Pull Request from: @ci-robot 
 
PR sync from: Yi Yang <yiyang13@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/AXHU4L3DA22CV4SQZRRYZL6OEJIOJASS/ 
Fix it by revert hulk patch and backport patch from mainline.

Yi Yang (2):
  Revert "tty: fix pid memleak in disassociate_ctty()"
  tty: tty_jobctrl: fix pid memleak in disassociate_ctty()


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2.25.1
 
https://gitee.com/openeuler/kernel/issues/I7PBYJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/2818

 

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