!1480 ksmbd: fix wrong UserName check in session_user

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Lingfeng <lilingfeng3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/Y2W37QUMGCXHZUAFBDA3UDH5CQW3KN2Z/ 
 
https://gitee.com/src-openeuler/kernel/issues/I7LU3D 
 
Link:https://gitee.com/openeuler/kernel/pulls/1480

 

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