!4710 CVE-2021-46904 for openEuler1.0

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6ZSESBZNWEVJ2KQ34USYCSKOQJMXEI4S/ 
Anirudh Rayabharam (1):
  net: hso: fix null-ptr-deref during tty device unregistration

Johan Hovold (1):
  net: hso: fix NULL-deref on disconnect regression

Rustam Kovhaev (1):
  usb: hso: check for return value in hso_serial_common_create()


-- 
2.34.1
 
https://gitee.com/src-openeuler/kernel/issues/I93LMH 
 
Link:https://gitee.com/openeuler/kernel/pulls/4710

 

Reviewed-by: Yue Haibing <yuehaibing@huawei.com>
Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: Zhang Changzhong <zhangchangzhong@huawei.com>