!1863 nbd: pass nbd_sock to nbd_read_reply() instead of index

Merge Pull Request from: @ci-robot 
 
PR sync from: Li Nan <linan122@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/GUOKSAE7T44FUBFS5QXRX5RK5WNG2X45/ 
 
https://gitee.com/openeuler/kernel/issues/I7T755 
 
Link:https://gitee.com/openeuler/kernel/pulls/1863

 

Reviewed-by: Liu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Liu YongQiang <liuyongqiang13@huawei.com>